CN217489203U

CN217489203U - Walking stick base for rugged road surface

Info

Publication number: CN217489203U
Application number: CN202221196722.5U
Authority: CN
Inventors: 栗帆; 罗怡馨
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-09-27
Anticipated expiration: 2032-05-18

Abstract

The utility model provides a walking stick base for rugged road surface belongs to walking stick base technical field. In order to solve the problem that a user is easy to fall down when a walking stick is on an uneven road, and the health of the user is endangered, the existing walking stick and a base are integrally arranged, so that the walking stick is not suitable for replacing walking sticks of various models, and is poor in flexibility. Wear to adorn a set of antiskid on the balancing stand and get shape piece, the balancing stand is equipped with and supplies every antiskid to get shape piece and pass and can follow the structure that the balancing stand reciprocated, is equipped with the friction disc on the balancing stand, and the walking stick is placed the seat and is connected through the elastic component of center department with the balancing stand, and the friction disc is equipped with the brake opening, and the walking stick is placed the anti-skidding cavity upper wall of seat and is equipped with the brake body, and the brake body is located the brake opening part. The surface of the base of the crutch changes according to the change of the terrain, and the crutch can also keep balance on a rugged road and cannot slip or tilt; the walking stick base is suitable for most walking sticks on the market, has convenience and flexibility, and only the base needs to be replaced compared with the walking stick and the walking stick base which are integrally arranged, so that the use cost can be reduced, and the walking stick base has economic benefits.

Description

Walking stick base for rugged road surface

Technical Field

The utility model relates to a walking stick base technical field particularly, relates to a walking stick base for rugged road surface.

Background

Many physiological functions of the elderly are degenerated, the touch sense of the elderly is possibly severely blunted after the age of 55, the posture and the gait are unstable due to the decline of the functional structure for managing balance, the possibility of falling is increased, and the walking stick used by the elderly is convenient to use at present.

The crutch is a simple apparatus for assisting walking, generally a wooden or metal stick, and is an important medical rehabilitation assisting tool, including a walking stick, an elbow stick and an axillary stick, wherein the walking stick is mainly used for mild needs, such as the elderly or mountaineers, the walking stick does not belong to articles for disabled persons, the elbow stick belongs to articles for middle lower limb disabled persons, and the axillary stick is a necessity for lower limb severely disabled persons (disabled patients and the like).

The walking stick is generally applicable to comparatively steady road surface when using, if the road is not level, the atress direction of walking stick changes, and user's focus takes place the skew for the user easily falls down, causes the health to receive the damage, when there is sharp-pointed object on the road surface even, has life danger. The conventional crutch is provided with a base in order to solve the problems, but the crutch and the base are integrally arranged, so that the conventional crutch is poor in flexibility for crutches of different models, high in manufacturing cost and low in economic value.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is:

in order to solve the problems that a user is easy to fall down and endanger health when a walking stick is not on the level of a road, the existing walking stick and a base are integrally arranged, so that the walking stick is not suitable for replacing walking sticks of various models and has poor flexibility.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted:

the utility model provides a crutch base for rugged road surface, which comprises a balancing stand, a group of anti-skid shaping sheets arranged in the circumferential direction, a crutch placing seat, a brake ring and a brake body, wherein the upper end of the crutch placing seat is provided with a crutch mounting groove, the lower end of the crutch placing seat is provided with an opening and is provided with an anti-skid cavity, the middle part of each anti-skid shaping sheet is provided with a sliding groove, the balancing stand is provided with a structure for each anti-skid shaping sheet to pass through and can move up and down along the balancing stand, the upper part of each anti-skid shaping sheet is positioned in the anti-skid cavity, the upper end of the balancing stand is provided with the brake ring, the brake ring comprises an integrated friction sheet and a base, the friction sheet is provided with a brake opening, the base is arranged at the position opposite to the brake opening at the lower end of the friction sheet, the central position of the inner wall at the top end of the anti-skid cavity is connected with the central position at the upper end of the balancing stand through an elastic piece, the anti-skidding cavity is characterized by further comprising a brake body, wherein one end of the brake body is connected with the inner wall of the top end of the anti-skidding cavity, the position of the brake body is opposite to that of the brake opening, and when the crutch base is away from the open circuit surface, the tail end of the brake body is positioned above the brake opening; when the crutch is pressed down, the tail end of the brake body is positioned at the brake opening, so that the anti-skid shaping sheet applies radial expansion force to the side wall of the anti-skid cavity to fix the crutch base, and the crutch placing seat is prevented from inclining.

Furthermore, the cross section of the anti-skid cavity is circular, the balancing stand is a circular balancing stand, and the outer diameter of the circular balancing stand is larger than the inner diameter of the anti-skid cavity.

Furthermore, the structure of the balance frame for each anti-skid shape-taking piece to penetrate through and move up and down along the balance frame comprises shape-taking piece mounting grooves and sliding pieces, wherein the shape-taking piece mounting grooves are formed in two sides of each sliding piece, one group of anti-skid shape-taking pieces are sequentially arranged on the sliding pieces in a penetrating mode along the extending direction of each sliding piece, each sliding piece sequentially penetrates through the sliding grooves of a plurality of anti-skid shape-taking pieces, the shape-taking piece mounting grooves are arc-shaped grooves, two groups of arc-shaped grooves are arranged on the circular balance frame in a radiating mode, each group of arc-shaped grooves comprise two arc-shaped grooves which are oppositely arranged, and the circle center positions of the two arc-shaped grooves are the same; or each group of arc-shaped grooves comprises an arc-shaped groove which is arranged oppositely; or the structure on the balancing stand for each anti-skid shape-taking piece to penetrate through and can move up and down along the balancing stand comprises a plurality of anti-skid shape-taking piece mounting openings, and the side walls of the two sides of the sliding groove of each anti-skid shape-taking piece respectively penetrate through two adjacent mounting openings.

Furthermore, the braking ring is connected with the balancing stand through a rotating shaft, the braking ring is positioned between the two groups of arc-shaped grooves, and the distance between the free end of the friction plate and the balancing stand is matched with the height of the base.

Further, the length of the brake body is smaller than that of the spring in the initial state, the brake body comprises a connecting rod and a water-drop-shaped brake piece, one end of the connecting rod is connected with the inner wall of the top end of the anti-skidding cavity, the other end of the connecting rod is connected with the water-drop-shaped brake piece, and the tail end of the water-drop-shaped brake body is flush with the bottom of the crutch placing seat.

Further, the diameter of the upper end of the water drop-shaped brake piece is larger than the length of the brake opening.

Furthermore, the diameter of the upper end of the water drop-shaped brake piece is 1.5-3 times of the length of the brake opening.

Furthermore, the water drop-shaped brake piece is an elastic water drop-shaped brake piece.

Further, the bottom of the anti-skid shape-taking piece is provided with an anti-skid bottom.

Furthermore, the elastic element is a spring, the elastic water-drop-shaped brake element is a rubber water-drop-shaped brake element, and the anti-skid bottom is a rubber anti-skid bottom.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a walking stick base for rugged road surface, wear to adorn a plurality of antiskid on the balancing stand and get shape piece, slide the piece and run through the sliding groove of a plurality of antiskid shape piece of getting in proper order, be equipped with the friction disc on the balancing stand, the walking stick is placed the seat and is connected through the elastic component of center department with the balancing stand, the friction disc is equipped with the brake opening, the antiskid cavity upper wall of walking stick placing seat is equipped with the brake body, the brake body is located the brake opening part, when the walking stick base leaves the open circuit, the brake body is located brake opening top, antiskid shape piece of getting hangs on the sliding piece through the upper wall of sliding groove; when the crutch base is in contact with a road surface, under the state of a stable road surface or a rugged road surface, the upper wall of the antiskid cavity is in contact with the upper end surface of the high-position antiskid shape-taking sheet, the balance frame is positioned at the bottom of the sliding groove of the high-position antiskid shape-taking sheet, the thrust of the brake body on the friction sheet is applied through the crutch placing seat, the friction sheet is deformed to extrude the surrounding antiskid shape-taking sheets, and further the inner wall of the antiskid cavity is extruded, so that the crutch placing seat and the balance frame are not deviated, and the horizontal state is kept between the crutch placing seat and the road surface;

the utility model is suitable for a smooth road surface and rugged road surface, the whole walking stick base surface can change shape at will according to the terrain change, the walking stick placing seat is always kept horizontal with the road surface, the supporting force for stabilizing and balancing the walking stick can be provided, the walking stick can be kept balanced on the rugged road, and can not slip or roll, thereby improving the safety of the walking stick;

because the walking stick base is easy wearing and tearing, for the consumer, this base can change the internal diameter size that the seat walking stick mounting groove was placed to the walking stick, is applicable to most walking sticks on the market, has convenience and flexibility, for the walking stick and the walking stick base of integrative setting, only need to change the base can, can reduce use cost, have economic benefits.

Drawings

FIG. 1 is a schematic perspective view of a crutch base for rough road in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a crutch base for rough terrain according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a crutch base for rough terrain according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a crutch base for rough terrain illustrating an embodiment of the invention;

FIG. 5 is a schematic view showing a first three-dimensional structure of the balance frame and a part of the anti-slip shaping piece according to the embodiment of the present invention;

FIG. 6 is a schematic view of a second three-dimensional structure of the balance frame and a part of the anti-slip shaping piece in the embodiment of the present invention;

FIG. 7 is a top view of the balance frame and the anti-slip shaping piece according to the embodiment of the present invention;

fig. 8 is a schematic perspective view of an anti-slip shape-taking sheet according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a balancing stand according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a friction plate according to an embodiment of the present invention;

fig. 11 is a schematic three-dimensional structure diagram of the brake body in the embodiment of the present invention.

Description of reference numerals:

1. anti-skid shaping sheets; 2. a balancing stand; 3. a brake body; 4. a brake ring; 5. a crutch placing seat; 6. a spring; 7. rough road surface; 1-1, anti-skid bottom; 1-2, a sliding groove; 2-1, taking shape piece mounting grooves; 2-2, a sliding sheet; 3-1 parts of water drop-shaped brake pieces, 3-2 parts of connecting rods, 4-1 parts of friction plates; 4-2 parts of a rotating shaft, 4-3 parts of a base; 4-4, opening a brake; 5-1, a crutch mounting groove, 5-2 and an antiskid cavity.

Detailed Description

In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", "left", "right", etc. in the embodiments indicate terms of orientation, and are only used for simplifying the description of positional relationships based on the drawings of the specification, and do not represent that the elements, devices, etc. indicated must be operated according to the specific orientation and defined operation and method, configuration in the specification, and such terms of orientation do not constitute limitations of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

The first specific embodiment is as follows: referring to fig. 1 to 11, the utility model provides a crutch base for rough road, which comprises a balancing stand 2, a set of anti-skid shaping sheets 1 arranged circumferentially, a crutch placing seat 5, a brake ring 4 and a brake body 3, wherein the upper end of the crutch placing seat 5 is provided with a crutch mounting groove 5-1, the lower end of the crutch placing seat 5 is open and provided with an anti-skid cavity 5-2, the middle part of the anti-skid shaping sheet 1 is provided with a sliding groove 1-2, the balancing stand (2) is provided with a structure for each anti-skid shaping sheet (1) to pass through and move up and down along the balancing stand (2), the upper part of the anti-skid shaping sheet 1 is positioned in the anti-skid cavity 5-2, namely, when the anti-skid shaping sheet 1 moves up and down, part of the anti-skid shaping sheet 1 is positioned in the anti-skid cavity 5-2, the upper end of the balancing stand 2 is provided with the brake ring 4, the brake ring 4 comprises a friction plate 4-1 and a base 4-3 which are integrally formed, the friction plate 4-1 is provided with a brake opening 4-4, the lower end of the friction plate 4-1 opposite to the brake opening 4-4 is provided with a base 4-3, the center position of the inner wall of the top end of the antiskid cavity 5-2 is connected with the center position of the upper end of the balancing stand 2 through an elastic piece, the antiskid brake further comprises a brake body 3, one end of the brake body 3 is connected with the inner wall of the top end of the anti-skid cavity 5-2, the other end of the brake body 3 is opposite to the position of the brake opening 4-4, when the crutch base is away from the opening surface, the brake body 3 is positioned above the brake opening 4-4, the anti-skid shaping sheet 1 is hung on the sliding sheet 2-2 through the upper wall of the sliding groove 1-2, and the spring 6 is not stressed by the crutch; when the base of the crutch is in contact with the road surface, the crutch placing seat 5 and the balancing stand 2 fall down under the state of a smooth road surface or a rough road surface, the spring 6 is free from extrusion force in the process, when the crutch placing seat 5 is pressurized by the crutch, the upper wall of the antiskid cavity 5-2 is in contact with the upper end surface of the highest antiskid shaping sheet 1, the balancing stand 2 is positioned at the bottom of the sliding groove 1-2 of the highest antiskid shaping sheet 1, at the moment, the bottom end of the crutch placing seat 5 is in contact with the balancing stand 2, the spring 6 is compressed, the brake body 3 moves down, the crutch placing seat 5 applies the thrust of the brake body 3 to the friction plate 4, the friction plate 4 deforms and extrudes the surrounding antiskid shaping sheets 1, and further extrudes the inner wall of the antiskid cavity 5-2, so that the crutch placing seat 5 and the balancing stand 2 do not deviate and keep a horizontal state with the road surface.

Wherein, fig. 2 is the state of the crutch base when the crutch base is away from the road surface, fig. 3 is the state of the crutch when the crutch is located on a stable road surface, and fig. 4 is the state of the crutch when the crutch is located on a rugged road surface 7.

The walking stick placing seat is suitable for a stable road surface and a rugged road surface 7, the shape of the whole walking stick base surface can be changed at will according to the change of the terrain, the walking stick placing seat 5 and the rugged road surface 7 are always kept horizontal, the walking stick placing seat provides stable and balanced supporting force for the walking stick, the walking stick can be kept balanced on the rugged road, the walking stick cannot slip or roll, and the safety of the walking stick is improved;

because the crutch base is easy to wear, the base can change the inner diameter of the crutch mounting groove 5-2 of the crutch placing seat 5, is suitable for most crutches on the market, has convenience and flexibility, can be replaced only by replacing the base relative to the crutches and the crutch base which are integrally arranged, can reduce the use cost, and has economic benefit.

The second specific embodiment: referring to fig. 1 to 11, the cross section of the anti-slip cavity 5-2 is circular, the balance frame 2 is a circular balance frame 2 or an elliptical balance frame 2, the shape of the cross section of the anti-slip cavity 5-2 is matched with the cross section of the balance frame 2, and the outer diameter of the circular balance frame 2 is larger than the inner diameter of the anti-slip cavity 5-2. Other combinations and connections of this embodiment are the same as those of the first embodiment.

The third concrete implementation scheme is as follows: as shown in fig. 1 to 11, the structure of the balance frame 2 for each anti-skid shape-taking sheet 1 to pass through and move up and down along the balance frame 2 includes a shape-taking sheet mounting groove 2-1 and a sliding sheet 2-2, both sides of the sliding sheet 2-2 are the shape-taking sheet mounting grooves 2-1, a group of anti-skid shape-taking sheets 1 sequentially penetrate through the sliding sheet 2-2 along the extending direction of the sliding sheet 2-2, the sliding sheet 2-2 sequentially penetrates through the sliding grooves 1-2 of the plurality of anti-skid shape-taking sheets 1, the shape-taking sheet mounting grooves 2-1 are arc-shaped grooves, two groups of arc-shaped grooves are radially arranged on the circular balance frame 2, each group of arc-shaped grooves includes two arc-shaped grooves which are oppositely arranged, and the circle centers of the two arc-shaped grooves are at the same position; or each group of arc-shaped grooves comprises an arc-shaped groove which is arranged oppositely; or the structure on the balancing stand 2 for each anti-skid shaping piece 1 to pass through and move up and down along the balancing stand 2 comprises a plurality of mounting openings of the anti-skid shaping pieces 1, and the side walls on the two sides of the sliding groove 1-2 of each anti-skid shaping piece 1 respectively penetrate through two adjacent mounting openings. Other combinations and connections of this embodiment are the same as those of the second embodiment.

Preferably, the shape of the side wall of the anti-skid shaping sheet 1 close to the shaping sheet mounting groove 2-1 is matched with the shape of the side wall of the shaping sheet mounting groove 2-1 or the side wall of the mounting opening.

Preferably, the sliding groove 1-2 is opened at the bottom of the anti-skid shaping sheet 1, the anti-skid shaping sheet 1 can be assembled on the sliding sheet 2-2 or a partition plate between two adjacent mounting ports through the opening at the bottom of the sliding groove 1-2 during assembly, and the height of the anti-skid cavity 5-2 is smaller than that of the anti-skid shaping sheet 1, so that the anti-skid shaping sheet 1 cannot be separated from the anti-skid cavity 5-2 during moving up.

Further, the bottom of each anti-skid shaping piece 1 is provided with a detachable end cover.

The fourth specific embodiment: referring to fig. 1 to 11, the brake ring 4 is connected with the balance frame 2 through a rotating shaft 4-2, the rotating shaft 4-2 is located between two peripheral arc-shaped grooves, the distance between the free end of the friction plate 4-1 and the balance frame 2 is smaller than or equal to the height of the base 4-3, the free end of the friction plate 4-1 is used for providing a space for the brake body 3 to enter the brake opening 4-4, and when the brake body 3 enters the brake opening 4-4 for a limited distance, the tail end of the brake body 3 is in contact with the upper end face of the balance frame 2. Other combinations and connections of this embodiment are the same as those of the third embodiment.

Preferably, the arc length of the base plate 4-3 is 1/9-1/8 of the arc length of the friction plate 4-1.

The fifth concrete embodiment: referring to fig. 1 to 11, the length of the brake body 3 is smaller than that of the spring 6 in the initial state, and when the crutch base is away from the ground, because the length of the spring 6 is larger than that of the brake body 3, the brake body 3 is located above the friction plate 4-1 and does not generate a radial expansion force on the friction plate 4-1; when the crutch base is positioned on the ground, the brake body 3 enters the brake opening 4-4 by extruding the spring 6, and radial expansion force is generated on the friction plate 4-1; the brake body 3 comprises a connecting rod 3-2 and a water-drop-shaped brake piece 3-1, one end of the connecting rod 3-2 is connected with the inner wall of the top end of the anti-skidding cavity 5-2, the other end of the connecting rod 3-2 is connected with the water-drop-shaped brake piece 3-1, the diameter of the upper end of the water-drop-shaped brake piece 3-1 is larger than the length of the brake opening 4-4, and the water-drop-shaped brake piece 3-1 is an elastic water-drop-shaped brake piece. Other combinations and connections of this embodiment are the same as those of the fourth embodiment.

Preferably, the diameter of the upper end of the drop-shaped brake piece 3-1 is 1.5-3 times the length of the brake opening 4-4.

The sixth specific embodiment: referring to fig. 1 to 11, the bottom of the anti-slip sheet 1 is provided with an anti-slip bottom 1-1, and the anti-slip bottom 1-1 is used for increasing the friction force with the road surface and preventing the road surface from falling down due to smoothness. Other combinations and connections of this embodiment are the same as those of the fifth embodiment.

The seventh specific embodiment: referring to fig. 1 to 11, the elastic member is a spring 6, the elastic drop-shaped brake member is a rubber drop-shaped brake member, and the anti-slip sole 1-1 is a rubber anti-slip sole. Other combinations and connections of this embodiment are the same as those of the sixth embodiment.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. The utility model discloses a field technical personnel can carry out various changes and amending under the prerequisite of the spirit and scope that do not deviate from the utility model discloses, and these changes all will fall into with the amendment the utility model discloses a protection scope.

Claims

1. A walking stick base for rugged road surface which characterized in that: comprises a balancing stand (2), a group of anti-skid shaping sheets (1) which are circumferentially arranged, a crutch placing seat (5), a brake ring (4) and a brake body (3), wherein the upper end of the crutch placing seat (5) is provided with a crutch installing groove (5-1), the lower end of the crutch placing seat (5) is provided with an opening and is provided with an anti-skid cavity (5-2), the middle part of each anti-skid shaping sheet (1) is provided with a sliding groove (1-2), the balancing stand (2) is provided with a structure which is used for each anti-skid shaping sheet (1) to pass through and can move up and down along the balancing stand (2), the upper part of each anti-skid shaping sheet (1) is positioned in the anti-skid cavity (5-2), the upper end of the balancing stand (2) is provided with the brake ring (4), the brake ring (4) comprises an integrally formed friction sheet (4-1) and a base (4-3), the anti-skid crutch is characterized in that the friction plate (4-1) is provided with a brake opening (4-4), a base (4-3) is arranged at the position, opposite to the brake opening (4-4), of the lower end of the friction plate (4-1), the center position of the inner wall of the top end of the anti-skid cavity (5-2) is connected with the center position of the upper end of the balancing stand (2) through an elastic part, the anti-skid crutch further comprises a brake body (3), one end of the brake body (3) is connected with the inner wall of the top end of the anti-skid cavity (5-2), the position of the brake body (3) is opposite to the position of the brake opening (4-4), and when the crutch base is away from an open circuit, the tail end of the brake body (3) is positioned above the brake opening (4-4); when the crutch is pressed down, the tail end of the brake body (3) is positioned at the brake opening (4-4), so that the anti-skid shape-taking sheet (1) applies radial expansion force to the side wall of the anti-skid cavity (5-2) to fix the crutch base, and the crutch placing seat (5) is prevented from inclining.

2. A crutch base for rough terrain as set forth in claim 1, wherein: the cross section of the anti-skid cavity (5-2) is circular, the balancing stand (2) is a circular balancing stand (2), and the outer diameter of the circular balancing stand (2) is larger than the inner diameter of the anti-skid cavity (5-2).

3. A crutch base for rough terrain as set forth in claim 2, wherein: the structure of the balance frame (2) for each anti-skid shape-taking piece (1) to penetrate through and move up and down along the balance frame (2) comprises shape-taking piece mounting grooves (2-1) and sliding pieces (2-2), wherein the shape-taking piece mounting grooves (2-1) are formed in both sides of each sliding piece (2-2), a group of anti-skid shape-taking pieces (1) sequentially penetrate through the sliding pieces (2-2) along the extending direction of the sliding pieces (2-2), the sliding pieces (2-2) sequentially penetrate through sliding grooves (1-2) of a plurality of anti-skid shape-taking pieces (1), the shape-taking piece mounting grooves (2-1) are arc-shaped grooves, two groups of arc-shaped grooves are arranged on the circular balance frame (2) in a radiation mode, each group of arc-shaped grooves comprise two arc-shaped grooves which are arranged oppositely, and the circle centers of the two arc-shaped grooves are the same in position; or each group of arc-shaped grooves comprises an arc-shaped groove which is arranged oppositely; or the structure on the balancing stand (2) for each anti-skid shape-taking piece (1) to pass through and move up and down along the balancing stand (2) comprises a plurality of mounting openings of the anti-skid shape-taking pieces (1), and the side walls of the two sides of the sliding groove (1-2) of each anti-skid shape-taking piece (1) respectively penetrate through the two adjacent mounting openings.

4. A crutch base for rough terrain as set forth in claim 3, wherein: the brake ring (4) is connected with the balancing stand (2) through a rotating shaft (4-2), the brake ring (4) is located between the two groups of arc-shaped grooves, and the distance between the free end of the friction plate (4-1) and the balancing stand (2) is matched with the height of the base (4-3).

5. A crutch base for rough terrain according to claim 4 further comprising: the length of the brake body (3) is smaller than that of the spring (6) in the initial state, the brake body (3) comprises a connecting rod (3-2) and a water-drop-shaped brake piece (3-1), one end of the connecting rod (3-2) is connected with the inner wall of the top end of the anti-skidding cavity (5-2), the other end of the connecting rod (3-2) is connected with the water-drop-shaped brake piece (3-1), and the tail end of the water-drop-shaped brake piece (3-1) is flush with the bottom of the crutch holding seat (5).

6. A crutch base for rough terrain according to claim 5 further comprising: the diameter of the upper end of the drop-shaped brake piece (3-1) is larger than the length of the brake opening (4-4).

7. A crutch base for rough terrain according to claim 6 further comprising: the diameter of the upper end of the drop-shaped brake piece (3-1) is 1.5-3 times of the length of the brake opening (4-4).

8. A crutch base for rough terrain according to claim 6 further comprising: the water drop-shaped brake piece (3-1) is an elastic water drop-shaped brake piece.

9. A crutch base for rough terrain according to claim 8 wherein: the bottom of the anti-skid shaping piece (1) is provided with an anti-skid bottom (1-1).

10. A crutch base for rough terrain as set forth in claim 9, wherein: the elastic piece is a spring (6), the elastic water-drop-shaped brake piece is a rubber water-drop-shaped brake piece, and the anti-skid bottom (1-1) is a rubber anti-skid bottom.