Telescopic adjustable crank structure

Abstract

The utility model relates to the technical field of crank structures, in particular to a crank structure capable of being telescopically adjusted. The technical problems that when a crank is used and the crank needs to be installed according to the actual distance of equipment, different types of cranks need to be frequently replaced, time is wasted, and frequent manual operation is needed are solved. According to the technical scheme, the telescopically-adjustable crank structure comprises a crank body, a first connecting assembly, a lubricating assembly, a limiting assembly, a grabbing assembly, an adjusting assembly and a second connecting assembly. Compared with a traditional crank structure, when the crank needs to be installed according to the actual distance of equipment, different types of cranks need to be replaced frequently, time is wasted, frequent manual operation is needed, the crank structure can adjust and fix the extending length of the crank in real time according to the actual distance of the equipment, and the installation efficiency is improved. And the model of the crank does not need to be frequently adjusted, only the extension length of the current crank needs to be adjusted, and the mounting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crank structures, in particular to a telescopically adjustable crank structure. Background Art

[0002] A crank is a mechanical device consisting of a handle and a rod connected to the handle. Its main function is to convert reciprocating linear motion into reciprocating rotational motion or rotational motion into reciprocating linear motion. Cranks are usually used in various mechanical devices, such as engines, pumps, clocks, etc. When the crank rotates, the movement of the handle will be transmitted to the connected rod to produce reciprocating motion or rotational motion. This mechanical device can be used to convert power into other forms of motion, or to convert and transmit different types of motion. However, when using the crank, the two ends of the crank are generally fixed by fixing the support rods. When the crank needs to be installed according to the actual spacing of the equipment, it is necessary to frequently replace cranks of different models, which is time-consuming and requires frequent manual operations. Utility Model Content

[0003] In order to overcome the problem that when using the crank, both ends of the crank are generally fixed by fixing support rods, when the crank needs to be installed according to the actual spacing of the equipment, different types of cranks need to be frequently replaced, which is time-consuming and requires frequent manual operations.

[0004] The technical solution of the utility model is: a telescopic and adjustable crank structure, including a crank body, a first connecting component, a lubrication component, a limit component, a gripping component, an adjustment component and a second connecting component, one end of the crank body is provided with the first connecting component, the top surface of the first connecting component is provided with the lubrication component, the other end of the crank body is provided with a limit component, the outer side of the limit component is provided with a gripping component, the surface of the gripping component is provided with an adjustment component, and the bottom surface of the gripping component is provided with the second connecting component.

[0005] Preferably, one end of the crank body is conveniently connected through the first connecting component, the connection of the crank body is conveniently lubricated through the lubrication component, the gripping component is limited through the limiting component, the crank body is conveniently gripped through the gripping component, the extending length of the gripping component is conveniently adjusted through the adjusting component, and the other end of the crank body is conveniently fixed through the second connecting component.

[0006] Preferably, the first connecting component includes an installation tube, a limiting ring and a positioning groove. A installation tube is provided at one end of the crank body, a limiting ring is provided on the inner side of the installation tube, and a positioning groove is provided on the inner side of the limiting ring. When in use, the limiting ring is installed through the installation tube, and the crank body is limited by the limiting ring. The positioning groove facilitates the connection of the crank body with other devices.

[0007] Preferably, the lubrication assembly includes an installation groove and an oil immersion pad. The surface of the installation cylinder is provided with an installation groove, and the interior of the installation groove is provided with an oil immersion pad. When in use, the oil immersion pad is installed through the installation groove, and the lubricating oil is absorbed by the oil immersion pad, thereby connecting the crank body with other equipment.

[0008] Preferably, the limiting assembly includes a sliding groove, a clamping groove and a positioning hole. A sliding groove is provided at one end of the crank body, a clamping groove is provided on the surface of one end of the crank body, and a positioning hole is provided on the surface of the clamping groove. When in use, the sliding groove facilitates the sliding of the adjustment assembly, the clamping groove is used to limit the adjustment assembly, and the positioning hole is used to fix the gripping assembly.

[0009] Preferably, the gripping assembly includes a gripping handle and anti-slip grooves. The gripping handle is provided at the other end of the crank body, and the surface of the gripping handle is provided with anti-slip grooves. When in use, the gripping handle facilitates gripping of the crank body, and the anti-slip grooves prevent the user from slipping when gripping the crank body.

[0010] Preferably, the adjustment assembly includes a clamping block, a mounting hole, a mounting bolt and a sliding block. A clamping block is arranged on the top of one side of the gripping handle. A mounting hole is provided on the surface of the clamping block. There are multiple groups of mounting holes. Mounting bolts are provided inside the mounting holes. A sliding block is arranged under the clamping block. When in use, the gripping handle is limited by the clamping block, the mounting bolt is positioned by the mounting hole, the clamping block is installed and fixed by the mounting bolt, and the gripping handle is facilitated to slide by the sliding block.

[0011] Preferably, the second connecting component includes an installation compartment and a rubber ring. The bottom surface of the gripping handle is provided with an installation compartment, and a rubber ring is arranged inside the installation compartment. When in use, the rubber ring is installed through the installation compartment, and the rotational friction of the crank body is increased by the rubber ring.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional crank structure, the two ends of the crank are generally fixed by fixing the support rod. When the crank needs to be installed according to the actual spacing of the equipment, it is necessary to frequently replace the cranks of different models, which is time-consuming and requires frequent manual operations. This crank structure can adjust and fix the extended length of the crank in real time according to the actual spacing of the equipment. There is no need to frequently adjust the crank model, only the extended length of the current crank needs to be adjusted, which improves the installation efficiency;

[0014] 2. The sliding groove facilitates the sliding of the adjustment component, the card slot limits the adjustment component, the positioning hole facilitates the fixing of the gripping component, the card block limits the gripping handle, the mounting hole positions the mounting bolt, the card block is installed and fixed by the mounting bolt, and the sliding block facilitates the sliding of the gripping handle;

[0015] 3. Install the limit ring through the installation tube, limit the crank body through the limit ring, facilitate the connection of the crank body with other equipment through the positioning groove, install the oil-immersed pad through the installation groove, absorb the lubricating oil through the oil-immersed pad, thereby connecting the crank body with other equipment, install the rubber ring through the installation bin, and increase the rotational friction of the crank body through the rubber ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a first three-dimensional structural schematic diagram of a telescopic and adjustable crank structure of the utility model;

[0017] Figure 2 Shown is a second three-dimensional structural schematic diagram of a telescopically adjustable crank structure of the utility model;

[0018] Figure 3 What is shown is a schematic diagram of a first partial three-dimensional structure of a telescopically adjustable crank structure of the utility model;

[0019] Figure 4 The second partial three-dimensional structure schematic diagram of a telescopically adjustable crank structure of the utility model is shown;

[0020] Explanation of the accompanying drawings: 1. crank body; 2. first connecting component; 3. lubrication component; 4. limit component; 5. gripping component; 6. adjustment component; 7. second connecting component; 201. mounting cylinder; 202. limit ring; 203. positioning groove; 301. mounting groove; 302. oil-immersed pad; 401. sliding groove; 402. clamping groove; 403. positioning hole; 501. gripping handle; 502. anti-slip groove; 601. clamping block; 602. mounting hole; 603. mounting bolt; 604. sliding block; 701. mounting compartment; 702. rubber ring. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1 The utility model provides an embodiment: a telescopically adjustable crank structure, comprising a crank body 1, a first connecting component 2, a lubricating component 3, a limiting component 4, a gripping component 5, an adjusting component 6 and a second connecting component 7, one end of the crank body 1 is provided with the first connecting component 2, the top surface of the first connecting component 2 is provided with the lubricating component 3, the other end of the crank body 1 is provided with the limiting component 4, the outer side of the limiting component 4 is provided with the gripping component 5, the surface of the gripping component 5 is provided with the adjusting component 6, and the bottom surface of the gripping component 5 is provided with the second connecting component 7.

[0023] See also Figure 2-4 In this embodiment, the first connecting component 2 includes a mounting cylinder 201, a limiting ring 202 and a positioning groove 203. A mounting cylinder 201 is provided at one end of the crank body 1, and a limiting ring 202 is provided on the inner side of the mounting cylinder 201. A positioning groove 203 is provided on the inner side of the limiting ring 202. When in use, the limiting ring 202 is installed through the mounting cylinder 201, and the crank body 1 is limited by the limiting ring 202. The crank body 1 is conveniently connected to other devices through the positioning groove 203. The lubrication component 3 includes a mounting groove 301 and an oil immersion pad 302. The surface of the mounting cylinder 201 is provided with a mounting groove 301, and the interior of the mounting groove 301 is provided with an oil immersion pad. The oil pad 302 is installed through the installation groove 301 when in use, and the lubricating oil is absorbed by the oil pad 302, so as to connect the crank body 1 with other equipment. The limiting component 4 includes a sliding groove 401, a clamping groove 402 and a positioning hole 403. A sliding groove 401 is provided at one end of the crank body 1, a clamping groove 402 is provided on the surface of one end of the crank body 1, and a positioning hole 403 is provided on the surface of the clamping groove 402. When in use, the sliding groove 401 facilitates the sliding of the adjustment component 6, the clamping groove 402 limits the adjustment component 6, and the positioning hole 403 facilitates the fixation of the gripping component 5.

[0024] The gripping assembly 5 includes a gripping handle 501 and an anti-skid pattern 502. The other end of the crank body 1 is provided with a gripping handle 501, and the surface of the gripping handle 501 is provided with an anti-skid pattern 502. When in use, the gripping handle 501 is used to facilitate gripping the crank body 1, and the anti-skid pattern 502 prevents the user from slipping when gripping the crank body 1. The adjustment assembly 6 includes a clamping block 601, a mounting hole 602, a mounting bolt 603 and a sliding block 604. A clamping block 601 is provided at the top of one side of the gripping handle 501, and a mounting hole 602 is provided on the surface of the clamping block 601. There are multiple groups of mounting holes 602, and mounting bolts 603 are provided inside the mounting holes 602. A sliding block 604 is provided below the clamping block 601. When in use, the gripping handle 501 is limited by the clamping block 601, the mounting bolt 603 is positioned through the mounting hole 602, the clamping block 601 is installed and fixed by the mounting bolt 603, and the gripping handle 501 is facilitated to slide by the sliding block 604. The second connecting component 7 includes a mounting bin 701 and a rubber ring 702. The bottom surface of the gripping handle 501 is provided with a mounting bin 701, and a rubber ring 702 is provided inside the mounting bin 701. When in use, the rubber ring 702 is installed through the mounting bin 701, and the rotational friction of the crank body 1 is increased by the rubber ring 702.

[0025] During operation, the limiting ring 202 is installed through the installation cylinder 201, the limiting ring 202 is used to limit the crank body 1, the positioning groove 203 is used to facilitate the connection of the crank body 1 with other equipment, the oil immersion pad 302 is installed through the installation groove 301, and the lubricating oil is absorbed by the oil immersion pad 302, so as to connect the crank body 1 with other equipment.

[0026] At the same time, the sliding groove 401 facilitates the sliding of the adjustment component 6, the clamping groove 402 limits the adjustment component 6, the positioning hole 403 facilitates the fixing of the gripping component 5, the gripping handle 501 facilitates the gripping of the crank body 1, and the anti-slip pattern 502 prevents the user from slipping when gripping the crank body 1;

[0027] At the same time, the gripping handle 501 is limited by the clamping block 601, the mounting bolt 603 is positioned by the mounting hole 602, the clamping block 601 is installed and fixed by the mounting bolt 603, the sliding block 604 is used to facilitate the sliding of the gripping handle 501, the rubber ring 702 is installed through the mounting bin 701, and the rotational friction of the crank body 1 is increased by the rubber ring 702.

[0028] Through the above steps, one end of the crank body 1 is conveniently connected through the first connecting component 2, the connection of the crank body 1 is conveniently lubricated through the lubrication component 3, the gripping component 5 is limited through the limiting component 4, the crank body 1 is conveniently gripped through the gripping component 5, the extending length of the gripping component 5 is conveniently adjusted through the adjusting component 6, and the other end of the crank body 1 is conveniently fixed through the second connecting component 7.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A telescopically adjustable crank structure, comprising a crank body (1); characterized in that: The crank body (1) further comprises a first connecting component (2), a lubricating component (3), a limiting component (4), a gripping component (5), an adjusting component (6) and a second connecting component (7); the first connecting component (2) is arranged at one end of the crank body (1); the lubricating component (3) is arranged on the top surface of the first connecting component (2); the limiting component (4) is arranged at the other end of the crank body (1); the gripping component (5) is arranged on the outer side of the limiting component (4); the adjusting component (6) is arranged on the surface of the gripping component (5); and the second connecting component (7) is arranged on the bottom surface of the gripping component (5).

2. The telescopically adjustable crank structure according to claim 1, characterized in that: The first connection assembly (2) comprises a mounting cylinder (201), a limiting ring (202) and a positioning groove (203); one end of the crank body (1) is provided with the mounting cylinder (201); the inner side of the mounting cylinder (201) is provided with a limiting ring (202); and the inner side of the limiting ring (202) is provided with a positioning groove (203).

3. A telescopically adjustable crank structure according to claim 2, characterized in that: The lubrication assembly (3) comprises a mounting groove (301) and an oil-immersed pad (302); the mounting groove (301) is provided on the surface of the mounting cylinder (201), and the oil-immersed pad (302) is arranged inside the mounting groove (301).

4. The telescopically adjustable crank structure according to claim 1, characterized in that: The limiting assembly (4) comprises a sliding groove (401), a clamping groove (402) and a positioning hole (403); one end of the crank body (1) is provided with the sliding groove (401); the surface of one end of the crank body (1) is provided with the clamping groove (402); and the surface of the clamping groove (402) is provided with the positioning hole (403).

5. The telescopically adjustable crank structure according to claim 1, characterized in that: The gripping assembly (5) comprises a gripping handle (501) and anti-slip grooves (502); the other end of the crank body (1) is provided with the gripping handle (501), and the surface of the gripping handle (501) is provided with anti-slip grooves (502).

6. The telescopically adjustable crank structure according to claim 5, characterized in that: The adjustment component (6) comprises a clamping block (601), a mounting hole (602), a mounting bolt (603) and a sliding block (604); a clamping block (601) is arranged at the top end of one side of the gripping handle (501); a mounting hole (602) is provided on the surface of the clamping block (601); a plurality of groups of mounting holes (602) are provided; mounting bolts (603) are provided inside the mounting holes (602); and a sliding block (604) is provided below the clamping block (601).

7. The telescopically adjustable crank structure according to claim 5, characterized in that: The second connection assembly (7) comprises an installation chamber (701) and a rubber ring (702). The bottom surface of the gripping handle (501) is provided with the installation chamber (701), and the interior of the installation chamber (701) is provided with a rubber ring (702).

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