Piston rod convenient to install

Abstract

The utility model discloses a piston rod convenient to install, which relates to the technical field of pistons and comprises a main rod, a secondary rod is slidably connected to the right portion of the main rod, a piston block is fixedly connected to the left end of the secondary rod, the outer wall of the piston block is slidably connected with the inside of the main rod, and a cleaning structure is fixedly installed on the right portion of the main rod. Mounting structures are fixedly connected to the left end of the main rod and the right end of the secondary rod, the cleaning structure comprises a round box, the left end of the round box is fixedly mounted at the right end of the main rod, the round box is located on the outer wall of the left end of the secondary rod, and a brush is fixedly connected to the inner wall of the right portion of the round box. According to the piston rod convenient to install, through the effect of the cleaning structure, the surface of the secondary rod can be cleaned when the main rod and the secondary rod slide relative to each other, the situation that sundries fall on the connecting position of the main rod and the secondary rod, and consequently the connecting position of the main rod and the secondary rod is abraded is avoided, meanwhile, maintenance of the main rod and the secondary rod can be facilitated, and the service life of the piston rod is prolonged. And the service life can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of pistons, in particular to a piston rod which is easy to install. Background Art

[0002] The piston rod is a connecting component that supports the piston to do work. It is mostly used in oil cylinders and cylinder motion actuators. It is a moving component that moves frequently and has high technical requirements. Piston rods that are easy to install generally have the characteristics of reasonable design, simple structure, and easy installation. For example, some piston rods are designed with a hollow structure to reduce weight and facilitate installation.

[0003] For example, a Chinese patent with a publication number of CN208719055U discloses a piston rod that is easy to install, including a housing assembly, a movable assembly and a friction assembly, wherein the housing assembly includes a lower end cover, a cylinder barrel, an upper end cover, a nut and a connecting rod, wherein the upper surface of the lower end cover is provided with the cylinder barrel, the cylinder barrel is fixedly connected to the lower end cover, the upper surface of the cylinder barrel is provided with the upper end cover, the upper end cover is fixedly connected to the cylinder barrel, and the connecting rod is located at the top of the upper end cover; when the piston rod is matched with the hydraulic cylinder, since the upper channel of the cavity is cylindrical and the lower channel of the cavity is conical, the piston rod can be inserted into the hydraulic cylinder through the upper channel, and since the lower channel is conical, it has a smooth transition with the inner wall of the hydraulic cylinder, can play a role of automatic alignment, and is easy to install, and a brush is provided at the right end of the connecting block, through the action of the brush, the dust on the surface of the piston rod can be effectively cleaned, the friction damage of the piston rod can be reduced, and the service life of the piston rod can be extended.

[0004] The existing technology has the following problems:

[0005] During actual use, due to different usage environments, various debris often exist on the outer wall surfaces of the main rod and the secondary rod, which causes the debris to get stuck in the connection between the main rod and the secondary rod during the sliding process between the main rod and the secondary rod. As the secondary rod slides, the connection is scratched, causing wear at the connection, thereby reducing the service life of the piston rod. Utility Model Content

[0006] The utility model provides a piston rod which is easy to install, so as to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A piston rod that is easy to install includes a main rod, a secondary rod is slidably connected to the right part of the main rod, a piston block is fixedly connected to the left end of the secondary rod, the outer wall of the piston block is slidably connected to the inside of the main rod, a cleaning structure is fixedly installed on the right part of the main rod, and the left end of the main rod and the right end of the secondary rod are both fixedly connected to the installation structure.

[0009] Preferably, the cleaning structure comprises a round box, the left end of which is fixedly mounted on the right end of the main rod, the round box is located on the outer wall of the left end of the secondary rod, the inner wall of the right part of the round box is fixedly connected with a brush, and the brush is located outside the outer wall of the secondary rod.

[0010] Preferably, a threaded tube is fixedly connected to the top of the outer wall of the round box, the bottom end of the threaded tube extends to the top of the cavity, and a fixed cover is threadedly connected to the outer wall of the top of the threaded tube.

[0011] Preferably, a cavity is provided inside the round box, a circular ring is rotatably connected inside the cavity, a sponge block is fixedly connected to the right side of the bottom of the circular ring, and the top of the sponge block overlaps the outer wall of the secondary rod.

[0012] Preferably, a threaded groove is provided on the outer wall of the secondary rod, a sliding rod is fixedly connected to the top of the inner wall of the ring, the outer wall of the sliding rod is slidably connected to the inner wall of the threaded groove, the left end of the ring is fixedly connected to a limiting ring, a limiting groove is provided on the left end of the cavity, the inner wall of the limiting groove is rotatably connected to the outer wall of the limiting ring, sliding grooves are provided at the upper and lower positions of the inner cavity of the main rod, and sliding blocks are fixedly connected to the upper and lower positions of the outer wall of the piston block, and the outer walls of the two sliding blocks are slidably connected to the inner walls of the two sliding grooves respectively.

[0013] Preferably, the mounting structure comprises two round blocks and two fixing seats, the opposite surfaces of the two round blocks are respectively fixedly connected to the left end of the main rod and the right end of the secondary rod, and the ends of the two round blocks that are far away from each other are rotatably connected to universal balls.

[0014] Preferably, the two fixing seats are respectively located on the left side of the main rod and on the right side of the secondary rod, and a plurality of threaded holes penetrating the fixing seats are provided at the four corners of the opposite surfaces of the two fixing seats.

[0015] Preferably, the opposite surfaces of the two fixed seats are fixedly connected with rectangular frames, the outer walls of the two universal balls are fixedly connected with fixing rods at positions far away from each other, the outer walls of the two fixing rods are respectively plugged with the inner walls of the two rectangular frames, the tops of the two rectangular frames are slidably connected with inclined clamps, the outer walls of the bottoms of the two inclined clamps are respectively plugged with the tops of the two fixing rods, the tops of the two inclined clamps are fixedly connected with operating blocks, the bottom ends of the two operating blocks are fixedly connected with springs, the bottom ends of the two springs are respectively fixedly connected with the middle parts of the tops of the two rectangular frames, and the two springs are respectively located outside the outer walls of the tops of the two inclined clamps.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] 1. The utility model provides a piston rod that is easy to install. Through the cleaning structure, the surface of the secondary rod can be cleaned when the main rod and the secondary rod slide against each other, thereby preventing debris from falling on the connection between the main rod and the secondary rod, causing wear on the connection between the two. At the same time, it is easy to maintain the two and extend their service life.

[0018] 2. The utility model provides a piston rod that is easy to install. Through the function of the installation structure, the installation and maintenance operations of the piston rod can be carried out more conveniently. By adding a universal ball, forces from different directions can be dispersed to different directions, thereby reducing stress concentration and achieving the effect of protecting the piston rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the thread groove structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the cavity structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the slide bar structure of the utility model;

[0023] Figure 5 The utility model is a schematic diagram of the universal ball structure.

[0024] In the figure: 1. main rod; 2. secondary rod; 3. piston block; 4. cleaning structure; 41. round box; 42. slide groove; 43. slider; 44. cavity; 45. brush; 46. circular ring; 47. limiting ring; 48. limiting groove; 49. slide rod; 410. threaded groove; 411. sponge block; 412. threaded tube; 413. fixing cover; 5. installation structure; 51. round block; 52. universal ball; 53. fixing rod; 54. fixing seat; 55. threaded hole; 56. rectangular frame; 57. inclined block; 58. operating block; 59. spring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1 and Figure 2As shown, a piston rod that is easy to install includes a main rod 1, a secondary rod 2 is slidably connected to the right part of the main rod 1, a piston block 3 is fixedly connected to the left end of the secondary rod 2, the outer wall of the piston block 3 is slidably connected to the inside of the main rod 1, a cleaning structure 4 is fixedly installed on the right part of the main rod 1, and the left end of the main rod 1 and the right end of the secondary rod 2 are both fixedly connected to the installation structure 5.

[0027] By providing the cleaning structure 4, the secondary rod 2 can be cleaned, thereby preventing foreign matter from adhering to the outer wall of the secondary rod 2, thereby preventing the secondary rod 2 from causing wear between the secondary rod 2 and the main rod 1 when the secondary rod 2 slides.

[0028] like Figure 3 As shown, the cleaning structure 4 includes a round box 41, the left end of which is fixedly mounted on the right end of the main rod 1, the round box 41 is located on the outer wall of the left end of the secondary rod 2, and the inner wall of the right part of the round box 41 is fixedly connected with a brush 45, which is located outside the outer wall of the secondary rod 2.

[0029] By providing the brush 45 , the outer wall of the secondary rod 2 can be cleaned during the sliding process of the secondary rod 2 , thereby preventing debris from scratching the connection between the secondary rod 2 and the main rod 1 .

[0030] like Figure 3 As shown, a threaded tube 412 is fixedly connected to the top of the outer wall of the round box 41 , the bottom end of the threaded tube 412 extends to the top of the cavity 44 , and a fixed cover 413 is threadedly connected to the outer wall of the top of the threaded tube 412 .

[0031] By providing the threaded tube 412 , lubricating oil or cooling liquid or other substances can be added to the inside of the round box 41 through the threaded tube 412 , thereby achieving an effect of facilitating maintenance.

[0032] like Figure 4 As shown, a cavity 44 is provided inside the round box 41 , a circular ring 46 is rotatably connected inside the cavity 44 , a sponge block 411 is fixedly connected to the right side of the bottom of the circular ring 46 , and the top of the sponge block 411 overlaps the outer wall of the secondary rod 2 .

[0033] By providing the sponge block 411 , the coolant can be evenly applied to the outer wall of the secondary rod 2 and the connection between the secondary rod 2 and the main rod 1 .

[0034] like Figure 2-4 As shown, a threaded groove 410 is provided on the outer wall of the secondary rod 2, a slide rod 49 is fixedly connected to the top of the inner wall of the circular ring 46, the outer wall of the slide rod 49 is slidably connected to the inner wall of the threaded groove 410, the left end of the circular ring 46 is fixedly connected to a limiting ring 47, a limiting groove 48 is provided on the left end of the cavity 44, the inner wall of the limiting groove 48 is rotatably connected to the outer wall of the limiting ring 47, sliding grooves 42 are provided at the upper and lower positions of the inner cavity of the main rod 1, and sliders 43 are fixedly connected to the upper and lower positions of the outer wall of the piston block 3, and the outer walls of the two sliders 43 are slidably connected to the inner walls of the two sliding grooves 42 respectively.

[0035] By providing the thread groove 410 and the sliding rod 49 , the ring 46 can rotate during the sliding process of the secondary rod 2 , thereby allowing the sponge block 411 to rotate around the outer wall of the secondary rod 2 .

[0036] like Figure 2 and Figure 5 As shown, the mounting structure 5 includes two round blocks 51 and two fixing seats 54. The opposite surfaces of the two round blocks 51 are fixedly connected to the left end of the main rod 1 and the right end of the secondary rod 2 respectively. The ends of the two round blocks 51 that are away from each other are rotatably connected with universal balls 52.

[0037] By providing the universal ball 52, the piston rod can be helped to better adapt to various complex mechanical structures, and the wear of the piston rod caused by different stresses can be reduced.

[0038] like Figure 5 As shown, the two fixing seats 54 are respectively located on the left side of the main rod 1 and the right side of the secondary rod 2, and a plurality of threaded holes 55 penetrating the fixing seats 54 are provided at the four corners of the opposite surfaces of the two fixing seats 54.

[0039] By providing the fixing seat 54 and the threaded hole 55 , the piston rod can be quickly positioned and installed.

[0040] like Figure 5 As shown, the opposite surfaces of the two fixing seats 54 are fixedly connected with rectangular frames 56, and the positions of the outer walls of the two universal balls 52 that are far away from each other are fixedly connected with fixing rods 53. The outer walls of the two fixing rods 53 are respectively plugged with the inner walls of the two rectangular frames 56, and the tops of the two rectangular frames 56 are slidably connected with inclined clamping blocks 57. The outer walls of the bottoms of the two inclined clamping blocks 57 are respectively plugged with the tops of the two fixing rods 53, and the tops of the two inclined clamping blocks 57 are fixedly connected with operating blocks 58. The bottom ends of the two operating blocks 58 are fixedly connected with springs 59. The bottom ends of the two springs 59 are respectively fixedly connected with the middle parts of the tops of the two rectangular frames 56, and the two springs 59 are respectively located outside the outer walls of the tops of the two inclined clamping blocks 57.

[0041] By providing the inclined surface block 57 , the fixing rod 53 and the rectangular frame 56 can be disassembled and assembled, thereby facilitating maintenance and replacement of the piston rod.

[0042] The working principle of the utility model is as follows: when in use, first use bolts and other parts to match the threaded holes 55 to install the fixing seat 54 in a suitable position, and then insert the two fixing rods 53 into the two rectangular frames 56 respectively. In this process, the fixing rod 53 squeezes the inclined surface block 57 to slide upward. When the fixing rod 53 is inserted to the bottom of the rectangular frame 56, the inclined surface block 57 is inserted into the top of the fixing rod 53 under the reset action of the spring 59, and then the fixing rod 53 and the rectangular frame 56 are fixed, so as to achieve the effect of facilitating the installation of the piston rod. During the working process of the piston rod, the secondary rod 2 and the main rod 1 are connected. When the piston block 3 slides inside the main rod 1, under the action of the slide groove 42 and the slider 43, the piston block 3 can only slide but not rotate, so that the main rod 1 and the secondary rod 2 will not rotate. During the sliding of the secondary rod 2, the threaded groove 410 on the surface of the secondary rod 2 drives the slide rod 49 to rotate, and then drives the ring 46 to rotate, and then drives the sponge block 411 to rotate on the surface of the secondary rod 2, and then the lubricating oil or coolant injected through the threaded tube 412 is evenly spread. In addition, during the sliding of the secondary rod 2, the brush 45 cleans the surface of the secondary rod 2.

[0043] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A piston rod that is easy to install, comprising a main rod (1), characterized in that: The right part of the main rod (1) is slidably connected to the secondary rod (2), the left end of the secondary rod (2) is fixedly connected to a piston block (3), the outer wall of the piston block (3) is slidably connected to the inside of the main rod (1), the right part of the main rod (1) is fixedly installed with a cleaning structure (4), and the left end of the main rod (1) and the right end of the secondary rod (2) are both fixedly connected to a mounting structure (5).

2. A piston rod that is easy to install according to claim 1, characterized in that: The cleaning structure (4) comprises a round box (41), the left end of which is fixedly mounted on the right end of the main rod (1), the round box (41) being located on the outer wall of the left end of the secondary rod (2), the inner wall of the right part of the round box (41) being fixedly connected with a brush (45), and the brush (45) being located outside the outer wall of the secondary rod (2).

3. A piston rod that is easy to install according to claim 2, characterized in that: A threaded tube (412) is fixedly connected to the top of the outer wall of the round box (41), the bottom end of the threaded tube (412) extends to the top of the cavity (44), and a fixed cover (413) is threadedly connected to the outer wall of the top of the threaded tube (412).

4. A piston rod that is easy to install according to claim 2, characterized in that: A cavity (44) is provided inside the round box (41), a circular ring (46) is rotatably connected inside the cavity (44), a sponge block (411) is fixedly connected to the right side of the bottom of the circular ring (46), and the top end of the sponge block (411) overlaps the outer wall of the secondary rod (2).

5. The piston rod that is easy to install according to claim 4, characterized in that: The outer wall of the secondary rod (2) is provided with a threaded groove (410), the top of the inner wall of the circular ring (46) is fixedly connected with a slide rod (49), the outer wall of the slide rod (49) is slidably connected to the inner wall of the threaded groove (410), the left end of the circular ring (46) is fixedly connected to a limiting ring (47), the left end of the cavity (44) is provided with a limiting groove (48), the inner wall of the limiting groove (48) is rotatably connected to the outer wall of the limiting ring (47), the upper and lower positions of the inner cavity of the main rod (1) are provided with slide grooves (42), the upper and lower positions of the outer wall of the piston block (3) are fixedly connected with sliders (43), and the outer walls of the two sliders (43) are slidably connected to the inner walls of the two slide grooves (42) respectively.

6. The piston rod that is easy to install according to claim 1, characterized in that: The mounting structure (5) comprises two round blocks (51) and two fixed seats (54); the opposite surfaces of the two round blocks (51) are respectively fixedly connected to the left end of the main rod (1) and the right end of the secondary rod (2); and the ends of the two round blocks (51) that are away from each other are rotatably connected to a universal ball (52).

7. The piston rod that is easy to install according to claim 6, characterized in that: The two fixing seats (54) are respectively located on the left side of the main rod (1) and on the right side of the secondary rod (2), and a plurality of threaded holes (55) penetrating the fixing seats (54) are provided at the four corners of the opposite surfaces of the two fixing seats (54).

8. The piston rod that is easy to install according to claim 6, characterized in that: The opposite surfaces of the two fixing seats (54) are fixedly connected with rectangular frames (56), the outer walls of the two universal balls (52) are fixedly connected with fixing rods (53) at positions away from each other, the outer walls of the two fixing rods (53) are respectively plugged with the inner walls of the two rectangular frames (56), the tops of the two rectangular frames (56) are slidably connected with inclined clamping blocks (57), the outer walls of the bottoms of the two inclined clamping blocks (57) are respectively plugged with the tops of the two fixing rods (53), the tops of the two inclined clamping blocks (57) are fixedly connected with operating blocks (58), the bottom ends of the two operating blocks (58) are fixedly connected with springs (59), the bottom ends of the two springs (59) are respectively fixedly connected with the middle parts of the tops of the two rectangular frames (56), and the two springs (59) are respectively located outside the outer walls of the tops of the two inclined clamping blocks (57).

Images