Bamboo joint ladder

Abstract

The utility model relates to a bamboo joint ladder which comprises a bamboo joint ladder body, the bamboo joint ladder body comprises two symmetrically-arranged stand columns, each stand column is formed by sleeving a plurality of hollow telescopic rods, the pipe diameters of the telescopic rods are sequentially increased from top to bottom, and the upper ends of the telescopic rods are respectively provided with a positioning connecting sleeve; a transverse lining is sleeved between every two telescopic rods with the same diameter on the two stand columns through positioning connection, a fixing block is fixed to the top ends of the stand columns, a rotating shaft is rotationally connected to the fixing block, a mounting shaft is mounted on the rotating shaft, a connecting shaft is slidably connected to the mounting shaft and penetrates out of the mounting shaft, and a limiting hole is formed in the inner side of the mounting shaft. A limiting shaft is fixedly connected to the connecting shaft and slidably connected to the inner side of the limiting hole, a spring installed on the inner side of the limiting hole is arranged at the end, away from the connecting shaft, of the limiting shaft, a wall supporting block is fixedly connected to the end, away from the limiting shaft, of the connecting shaft, the angle between the wall supporting block and the stand column is adjustable, and the wall supporting block can make contact with the wall face with the maximum contact area all the time. And slipping cannot easily occur.

Description

Technical Field

[0001] The utility model relates to the technical field of ladders, in particular to a bamboo ladder. Background Art

[0002] The utility model patent with application number: CN202121319975.2 discloses a new type of bamboo ladder, including a bamboo ladder body, which includes two symmetrically arranged columns, which are composed of a plurality of hollow telescopic rods, the diameters of which increase from top to bottom, and a positioning connecting sleeve is installed at the upper end of each of the plurality of telescopic rods, and a transverse lining is arranged between the two telescopic rods with the same diameter on the two columns through the positioning connecting sleeve, an arc-shaped transition rod is fixed to the top of the column, and a connecting rod is fixed to the end of the transition rod away from the column, and the connecting rod A sliding cavity is provided inside, a sliding hole communicating with the sliding cavity is provided on the end of the connecting rod away from the transition rod, a sleeve is also slidably sleeved on the outside of the end of the connecting rod away from the transition rod, a sliding rod is fixed on the inner bottom wall of the sleeve, one end of the sliding rod penetrates into the sliding cavity through the sliding hole, and is fixedly connected with a slider moving along the sliding cavity in the sliding cavity, a first spring is sleeved on the outside of the sliding rod, one end of the first spring is connected to the inner bottom wall of the sleeve, and the other end of the first spring is fixedly connected to the connecting rod, and a wall support block for supporting on the wall is fixed on the end of the sleeve away from the transition rod. The transition rod of the above technical solution is inclined in an arc shape, so that the connecting rod is inclined toward the wall, thereby causing the wall support block to be inclined toward the wall, and when the bamboo ladder body is used obliquely against the wall, the wall support block can better contact the wall. However, the angle of the transition rod cannot be changed. When the angle between the bamboo ladder and the wall changes, the wall support block cannot always contact the wall with the maximum contact area. Utility Model Content

[0003] The utility model aims to solve the problems existing in the prior art and provides a bamboo ladder with an adjustable angle of a wall support block, so that the wall support block can always contact the wall surface with a maximum contact area and is not easy to slip.

[0004] The utility model adopts a technical solution to solve the technical problem: the bamboo ladder comprises a bamboo ladder body, the bamboo ladder body comprises two symmetrically arranged columns, the columns are formed by a plurality of hollow telescopic rods, the diameters of the plurality of telescopic rods increase in sequence from top to bottom, and a positioning connection sleeve is arranged on the upper ends of the columns, a cross lining is arranged between the telescopic rods with the same diameters on the two columns through the positioning connection sleeve, a fixing block is fixed on the top of the column, a rotating shaft is rotatably connected to the fixing block, a mounting shaft is installed on the rotating shaft, a connecting shaft is slidably connected to the installing shaft, the connecting shaft passes through the installing shaft, a limiting hole is opened on the inner side of the installing shaft, the limiting shaft is fixedly connected to the connecting shaft, the limiting shaft is slidably connected to the inner side of the limiting hole, a spring is arranged on the inner side of the limiting hole at one end of the limiting shaft away from the connecting shaft, a wall support block is fixedly connected to one end of the connecting shaft away from the limiting shaft, the wall support block can rotate relative to the column, the angle between the wall support block and the column is adjustable, when the angle between the bamboo ladder and the wall surface changes, the wall support block can always contact the wall surface with the largest contact area, and is not easy to slip.

[0005] In order to further improve it, the installation shaft and the rotating shaft are detachably connected, a positioning groove is opened at the end of the rotating shaft away from the fixed block, and a positioning block is fixedly connected to the end of the installation shaft close to the rotating shaft. The positioning block is slidably connected to the inner side of the positioning groove, and a bolt is slidably connected to the rotating shaft. The bolt is slidably connected to the positioning block, and a nut is threadedly connected to the outer side of the bolt. The rotating shaft and the installation shaft are fixed together by the bolts and nuts. The installation shaft is easy to disassemble and assemble, and the bamboo ladder has a long service life.

[0006] As a further improvement, the positioning block is in the form of a rectangular body, and the positioning groove is matched with the positioning block, so that the bolt can be easily installed.

[0007] For further improvement, the wall supporting block is fixedly connected to one end away from the connecting shaft with a rubber block, and the rubber block can increase the friction between the wall supporting block and the wall surface, making it less likely to slip.

[0008] For further improvement, the lower end of the column is fixedly connected to a balance rod, and the left and right ends of the balance rod are rotatably connected to support blocks. The side of the support block is an isosceles triangle. The support block can rotate relative to the column so that the support block can always contact the wall with the largest contact area and is not easy to slip.

[0009] For further improvement, a rubber pad is fixedly connected to the lower end of the support block.

[0010] As a further improvement, rollers are installed at the front end of the column to make it more convenient to carry the bamboo ladder.

[0011] For further improvement, both front and rear ends of the bottom cross lining are fixedly connected with binding ropes, and the end of the binding rope away from the cross lining is fixedly connected with a buckle. When the bamboo ladder is folded, the binding rope can bind all the cross linings together, and the front and rear binding ropes are connected together by the buckle, making the bamboo ladder more convenient to use.

[0012] For further improvement, the front end of the binding rope at the rear end is fixedly connected with a pull rope, making it more convenient to pull the bamboo ladder.

[0013] For further improvement, the limit shaft is fixedly connected with a sliding shaft at one end away from the connecting shaft, the sliding shaft passes through the installation shaft, the sliding shaft is located on the inner side of the spring, and the sliding shaft is fixedly connected with a handle at one end away from the limit shaft. When the fixed block is long and the wall is uneven, the fixed block can contact the wall, and the handle is pulled forward. The handle drives the limit shaft forward through the sliding shaft, the spring is compressed, and the limit shaft drives the wall support block forward through the connecting shaft, so that the wall support block is away from the wall, the angle of the wall support block is adjusted, the handle is released, and the spring rebounds to drive the wall support block to contact the wall, so that the bamboo ladder can be used better.

[0014] For further improvement, the rear end of the fixing block is provided with a chamfer.

[0015] The beneficial effects of the utility model are: the wall support block can rotate relative to the column, and the angle between the wall support block and the column is adjustable. When the angle between the bamboo ladder and the wall changes, the wall support block can always contact the wall with the largest contact area and is not easy to slip. The rotating shaft and the mounting shaft are fixed together by bolts and nuts. The mounting shaft is easy to assemble and disassemble, and the bamboo ladder has a long service life. The support block can rotate relative to the column, so that the support block can always contact the wall with the largest contact area and is not easy to slip. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 This is a structural schematic diagram of the fixed block of the utility model;

[0018] Figure 3 This is a structural schematic diagram of the fixed block of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the installation shaft of the utility model;

[0020] Figure 5 It is a top sectional view of the installation shaft of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the sliding shaft of the utility model.

[0022] Explanation of the reference numerals in the accompanying drawings: 1. column; 11. fixing block; 12. rotating shaft; 121. positioning groove; 13. mounting shaft; 131. limiting hole; 132. positioning block; 133. bolt; 134. nut; 135. spring; 14. connecting shaft; 141. limiting shaft; 142. supporting wall block; 143. rubber block; 144. sliding shaft; 145. handle; 15. balance bar; 151. supporting block; 152. rubber pad; 16. roller; 2. positioning connecting sleeve; 3. cross lining; 31. binding rope; 32. buckle; 33. pull rope. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-6 The utility model is further described as follows:

[0024] like Figure 1-Figure 5 As shown: a bamboo ladder in this embodiment includes a bamboo ladder body, which includes two symmetrically arranged columns 1, which are composed of a plurality of hollow telescopic rods, the diameters of which increase from top to bottom, and a positioning connection sleeve 2 is installed at the upper end of each column, and a cross lining 3 is installed between the two telescopic rods with the same diameter on the two columns 1 through the positioning connection sleeve 2, a fixing block 11 is fixed to the top of the column 1, a rotating shaft 12 is rotatably connected to the fixing block 11, a positioning groove 121 is opened at one end of the rotating shaft 12 away from the fixing block 11, a positioning block 132 is slidably connected to the inner side of the positioning groove 121, a bolt 133 is slidably connected to the rotating shaft 12, and the bolt 133 is slidably connected to the rotating shaft 12. The bolt 133 is slidably connected to the positioning block 132, and a nut 134 is threadedly connected to the outer side of the bolt 133. The positioning block 132 is fixedly connected to the installation shaft 13 at one end away from the rotating shaft 12. The rear end of the installation shaft 13 is slidably connected to the connecting shaft 14. The connecting shaft 14 passes through the installation shaft 13, and a limiting hole 131 is opened on the inner side of the installation shaft 13. The front end of the connecting shaft 14 is fixedly connected to the limiting shaft 141, and the limiting shaft 141 is slidably connected to the inner side of the limiting hole 131. The front end of the limiting shaft 141 is provided with a spring 135 installed on the inner side of the limiting hole 131. The rear end of the connecting shaft 14 is fixedly connected to the wall support block 142, and the rear end of the wall support block 142 is fixedly connected to the rubber block 143.

[0025] like Figure 1 As shown: the lower end of the column 1 is fixedly connected to a balance rod 15, the left and right ends of the balance rod 15 are rotatably connected to support blocks 151, the lower end of the support block 151 is fixedly connected to a rubber pad 152, a roller 16 is installed at the front end of the column 1, the front and rear ends of the lowest cross lining 3 are fixedly connected to binding ropes 31, the end of the binding rope 31 away from the cross lining 3 is fixedly connected to a buckle 32, and the front end of the rear end of the binding rope 31 is fixedly connected to a pull rope 33.

[0026] When the utility model is in use, the wall supporting block 142 can rotate relative to the column 1, and the angle between the wall supporting block 142 and the column 1 is adjustable. When the angle between the bamboo ladder and the wall changes, the wall supporting block 142 can always contact the wall with the largest contact area and is not easy to slip.

[0027] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A bamboo ladder, comprising a bamboo ladder body, the bamboo ladder body comprising two symmetrically arranged columns (1), the columns (1) being formed by a plurality of hollow telescopic rods, the diameters of the plurality of telescopic rods increasing from top to bottom, and each of the plurality of telescopic rods having a positioning sleeve (2) at its upper end, a transverse lining (3) being provided between the two telescopic rods having the same diameter on the two columns (1) through the positioning sleeve (2), wherein: A fixing block (11) is fixed on the top of the column (1), a rotating shaft (12) is rotatably connected to the fixing block (11), a mounting shaft (13) is installed on the rotating shaft (12), a connecting shaft (14) is slidably connected to the mounting shaft (13), the connecting shaft (14) passes through the mounting shaft (13), a limiting hole (131) is opened on the inner side of the mounting shaft (13), a limiting shaft (141) is fixedly connected to the connecting shaft (14), the limiting shaft (141) is slidably connected to the inner side of the limiting hole (131), an end of the limiting shaft (141) away from the connecting shaft (14) is provided with a spring (135) installed on the inner side of the limiting hole (131), and an end of the connecting shaft (14) away from the limiting shaft (141) is fixedly connected to a wall support block (142).

2. The bamboo ladder according to claim 1 is characterized in that: The installation shaft (13) is detachably connected to the rotating shaft (12); a positioning groove (121) is formed at one end of the rotating shaft (12) away from the fixing block (11); a positioning block (132) is fixedly connected to one end of the installation shaft (13) close to the rotating shaft (12); the positioning block (132) is slidably connected to the inner side of the positioning groove (121); a bolt (133) is slidably connected to the rotating shaft (12); the bolt (133) is slidably connected to the positioning block (132); and a nut (134) is threadedly connected to the outer side of the bolt (133).

3. The bamboo ladder according to claim 1 is characterized in that: One end of the wall supporting block (142) away from the connecting shaft (14) is fixedly connected to a rubber block (143).

4. The bamboo ladder according to claim 1 is characterized in that: The lower end of the upright column (1) is fixedly connected to a balancing rod (15), and both left and right ends of the balancing rod (15) are rotatably connected to support blocks (151).

5. The bamboo ladder according to claim 4 is characterized in that: The lower end of the support block (151) is fixedly connected with a rubber pad (152).

6. The bamboo ladder according to claim 1 is characterized in that: A roller (16) is installed at the front end of the column (1).

7. The bamboo ladder according to claim 1 is characterized in that: The front and rear ends of the lowermost transverse lining (3) are fixedly connected with binding ropes (31), and one end of the binding rope (31) away from the transverse lining (3) is fixedly connected with a buckle (32).

8. The bamboo ladder according to claim 7 is characterized in that: The front end of the rear end binding rope (31) is fixedly connected with a pull rope (33).

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