Piston rod assembly leakage-proof tool facilitating adjustment of piston rod

Abstract

The utility model discloses a piston rod assembly leakproof tool convenient for adjusting a piston rod, which relates to the technical field of piston rods and comprises a piston rod main body, the bottom of the piston rod main body is fixedly connected with a piston main body, and the bottom of the piston main body is fixedly connected with an elastic connecting rod. A gravity block is fixedly connected to the bottom of the elastic connecting rod, a piston barrel is arranged outside the piston rod body, and an adjusting leakage-proof device and an auxiliary limiting device are arranged on the piston barrel. The adjusting leakage-proof device comprises an air bag, through the adjusting leakage-proof device, after the piston rod body is placed in the piston cylinder, the air bag is extruded through the gravity block, air in the air bag can be conveyed into the air pressure cabin through the air conveying pipe, and the air pressure cabin can drive the air pressure rod and the fixed leakage-proof plate to move; and the fixed leakage-proof plate can conduct sealing leakage-proof treatment on the exterior of the piston rod body, the length of the piston rod body can be adjusted at will, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of piston rods, in particular to a piston rod assembly anti-leakage tooling which is convenient for adjusting the piston rod. 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. Taking the hydraulic cylinder as an example, it is composed of a cylinder barrel, piston rod, piston, and end cover.

[0003] In the prior art, the piston rod may leak after long-term use. If it continues to be used, it may cause cylinder pulling and other situations, so the piston rod can no longer be used. Therefore, this application proposes a piston rod assembly leak-proof tooling that is easy to adjust the piston rod to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a piston rod assembly anti-leakage tooling which is convenient for adjusting the piston rod, and solves the existing problems by adjusting the anti-leakage device and the auxiliary limiting device.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a piston rod assembly leak-proof tooling that is convenient for adjusting the piston rod, comprising a piston rod body, the bottom of the piston rod body is fixedly connected to the piston body, the bottom of the piston body is fixedly connected to an elastic connecting rod, the bottom of the elastic connecting rod is fixedly connected to a gravity block, a piston cylinder is provided on the outside of the piston rod body, and an adjustment leak-proof device and an auxiliary limit device are provided on the piston cylinder;

[0007] The regulating and leak-proof device includes an air bag, the bottom of which is fixedly connected to an air inlet pipe and an air supply pipe, the air supply pipe is fixedly connected to an air pressure cabin on a side away from the air bag, the side of the air pressure cabin is slidably connected to an air pressure rod, the side of the air pressure rod is fixedly connected to a fixed leak-proof plate on a side away from the air pressure cabin, an exhaust valve is provided on the side of the air pressure cabin away from the air pressure rod, and the bottom of the air pressure cabin is fixedly connected to a connecting plate.

[0008] Furthermore, the piston body and the gravity block are slidably connected to the inner wall of the piston cylinder, and the interior of the piston cylinder is set to be hollow, so that the piston body can effectively move inside the piston cylinder.

[0009] Furthermore, the airbag is fixedly connected to the inner lower end of the piston cylinder, and the shape of the airbag is set to be a hemisphere. After being squeezed, the airbag can effectively transport the internal gas to the interior of the pressure cabin through the air pipe.

[0010] Furthermore, the air pressure chamber is arranged on both sides of the upper end of the piston cylinder, the material of the fixed leak-proof plate is alloy steel with strong sealing and high temperature resistance, and the connecting plate is fixedly connected to both sides of the outer upper end of the piston cylinder. After the air pressure chamber is injected with gas, it will drive the air pressure rod and the fixed leak-proof plate to move.

[0011] Furthermore, the auxiliary limiting device includes a limiting fastening block 1 and a limiting fastening block 2. A threaded rod is rotated and passed through the limiting fastening block 1, and a knob is fixedly connected to the side of the threaded rod. A screw is provided on the side of the limiting fastening block 2. The auxiliary limiting device can effectively perform auxiliary limiting processing on the piston rod body.

[0012] Furthermore, the limiting fastening block 1 and the limiting fastening block 2 are both fixedly connected to the top of the fixed anti-leakage plate, and threaded holes are provided on the limiting fastening block 1 and the limiting fastening block 2. The limiting fastening block 1 and the limiting fastening block 2 can effectively perform limiting fastening processing on the piston rod body.

[0013] Furthermore, the size of the threaded rod is adapted to the size of the screw, and the number of the threaded rod and the screw is two. The threaded rod can effectively cooperate with the screw to perform position-limiting and fastening processing on the piston rod body.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model adjusts the anti-leakage device. After the piston rod body is placed in the piston cylinder, the airbag is squeezed by the gravity block. The airbag will transport the internal gas to the interior of the air pressure cabin through the air pipe. The air pressure cabin will drive the air pressure rod and the fixed anti-leakage plate to move. The fixed anti-leakage plate will seal and leak-proof the outside of the piston rod body, and the piston rod body can be adjusted to any length, which is very practical.

[0016] 2. The utility model uses an auxiliary limiting device, which can ensure that after the leak-proof plate is fixed to the piston rod body, the limiting fastening block 1 will fit together with the limiting fastening block 2. Turning the knob drives the threaded rod to rotate, and the threaded rod will rotate into the interior of the limiting fastening block 2, and auxiliary limiting is performed by the screw, further enhancing the practicality of the entire device.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the three-dimensional side structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0022] Figure 4 This is an enlarged structural diagram of the regulating and leak-proof device of the utility model;

[0023] Figure 5 It is a schematic diagram of the enlarged structure of the auxiliary limiting device of the utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0025] 1. Piston rod body; 2. Piston body; 3. Elastic connecting rod; 4. Gravity block; 5. Piston cylinder; 6. Adjustable leak-proof device; 61. Air bag; 62. Inlet pipe; 63. Air supply pipe; 64. Air pressure chamber; 65. Air pressure rod; 66. Fixed leak-proof plate; 67. Exhaust valve; 68. Connecting plate; 7. Auxiliary limiting device; 71. Limit fastening block 1; 72. Limit fastening block 2; 73. Threaded rod; 74. Knob; 75. Screw. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-5 The utility model is a piston rod assembly leak-proof tooling that is convenient for adjusting the piston rod, comprising a piston rod body 1, the bottom of the piston rod body 1 is fixedly connected to a piston body 2, the bottom of the piston body 2 is fixedly connected to an elastic connecting rod 3, the bottom of the elastic connecting rod 3 is fixedly connected to a gravity block 4, a piston cylinder 5 is provided on the outside of the piston rod body 1, and an adjustment and leak-proof device 6 and an auxiliary limit device 7 are provided on the piston cylinder 5;

[0028] The adjustment and leakage prevention device 6 includes an air bag 61, the bottom of the air bag 61 is fixedly connected to an air inlet pipe 62 and an air supply pipe 63, the air supply pipe 63 is fixedly connected to an air pressure cabin 64 on the side away from the air bag 61, the side of the air pressure cabin 64 is slidably connected to a pneumatic rod 65, the side of the pneumatic rod 65 away from the air pressure cabin 64 is fixedly connected to a fixed leakage prevention plate 66, the side of the air pressure cabin 64 away from the air pressure rod 65 is provided with an exhaust valve 67, and the bottom of the air pressure cabin 64 is fixedly connected to a connecting plate 68.

[0029] The piston body 2 and the gravity block 4 are slidably connected to the inner wall of the piston cylinder 5 . The interior of the piston cylinder 5 is set to a hollow state, and the piston body 2 can effectively move inside the piston cylinder 5 .

[0030] The airbag 61 is fixedly connected to the inner lower end of the piston cylinder 5 . The shape of the airbag 61 is set to be a hemisphere. After being squeezed, the airbag 61 can effectively transport the internal gas to the interior of the air pressure cabin 64 through the air pipe 63 .

[0031] The air pressure chamber 64 is arranged on both sides of the upper end of the piston cylinder 5. The material of the fixed leak-proof plate 66 is alloy steel with strong sealing and high temperature resistance. The connecting plate 68 is fixedly connected to both sides of the outer upper end of the piston cylinder 5. After the air pressure chamber 64 is injected with gas, it will drive the air pressure rod 65 and the fixed leak-proof plate 66 to move.

[0032] The auxiliary limiting device 7 includes a limiting fastening block 1 71 and a limiting fastening block 2 72. A threaded rod 73 is rotated and passed through the limiting fastening block 1 71. A knob 74 is fixedly connected to the side of the threaded rod 73. A screw 75 is provided on the side of the limiting fastening block 2 72. The auxiliary limiting device 7 can effectively perform auxiliary limiting processing on the piston rod body 1.

[0033] The limiting fastening block 1 71 and the limiting fastening block 2 72 are both fixedly connected to the top of the fixed anti-leakage plate 66. Threaded holes are provided on the limiting fastening block 1 71 and the limiting fastening block 2 72. The limiting fastening block 1 71 and the limiting fastening block 2 72 can effectively perform limiting fastening processing on the piston rod body 1.

[0034] The size of the threaded rod 73 is adapted to the size of the screw 75 . There are two threaded rods 73 and two screws 75 . The threaded rod 73 can effectively cooperate with the screw 75 to perform position-limiting and fastening processing on the piston rod body 1 .

[0035] The utility model can adjust the anti-leakage device 6, and after the piston rod body 1 is placed in the piston cylinder 5, the gravity block 4 can squeeze the air bag 61, and the air bag 61 will transmit the internal gas to the interior of the air pressure chamber 64 through the air pipe 63. The air pressure chamber 64 will drive the air pressure rod 65 and the fixed anti-leakage plate 66 to move. The fixed anti-leakage plate 66 will seal and leak-proof the exterior of the piston rod body 1, and the piston rod body 1 can be adjusted to any length, which is highly practical. The utility model uses the auxiliary limiting device 7, and after the fixed anti-leakage plate 66 fixes the piston rod body 1, the limiting fastening block 1 71 will fit together with the limiting fastening block 2 72, and the knob 74 will be turned to drive the threaded rod 73 to rotate, and the threaded rod 73 will rotate into the interior of the limiting fastening block 2 72, and the screw 75 will perform auxiliary limiting, further enhancing the practicality of the entire device.

[0036] A specific application of this embodiment is: first put the piston rod body 1 into the interior of the piston cylinder 5, the gravity block 4 will squeeze the airbag 61, and the airbag 61 will transport the internal gas to the interior of the air pressure cabin 64 through the air supply pipe 63, and the air pressure cabin 64 will drive the air pressure rod 65 and the fixed anti-leakage plate 66 to move. The fixed anti-leakage plate 66 can effectively prevent the piston rod body 1 from leaking, and can make the piston rod body 1 able to adjust its length at will. When it is necessary to separate the piston rod body 1 from the piston cylinder 5, open the exhaust valve 67, the gas in the air pressure cabin 64 will be discharged, the air pressure rod 65 and the fixed anti-leakage plate 66 will return to their original positions, releasing the fixed anti-leakage treatment of the piston rod body 1. After the body 1 is taken out, the airbag 61 will not continue to be squeezed. The airbag 61 will allow external gas to enter its interior through the air inlet pipe 62, so that it will restore its expanded state, which is convenient for next use. It is very practical. After the two fixed leak-proof plates 66 are merged, the limiting fastening block 1 71 will fit with the limiting fastening block 2 72. At this time, turning the knob 74 will drive the threaded rod 73 to rotate, and the threaded rod 73 will enter the interior of the limiting fastening block 2 72. At the same time, cooperate with the screw 75 to achieve a limiting fastening effect. When it is necessary to separate the piston rod body 1 and the piston cylinder 5, turning the knob 74 will drive the threaded rod 73 to return to its original position, further enhancing the practicality of the entire device.

[0037] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0038] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A piston rod assembly leak-proof tooling for facilitating adjustment of a piston rod, comprising a piston rod body (1), characterized in that: The bottom of the piston rod body (1) is fixedly connected to the piston body (2), the bottom of the piston body (2) is fixedly connected to the elastic connecting rod (3), the bottom of the elastic connecting rod (3) is fixedly connected to the gravity block (4), and a piston cylinder (5) is provided on the outside of the piston rod body (1), and an adjustment and anti-leakage device (6) and an auxiliary limit device (7) are provided on the piston cylinder (5); The regulating and leak-proof device (6) comprises an air bag (61), the bottom of the air bag (61) is fixedly connected to an air inlet pipe (62) and an air delivery pipe (63), the air delivery pipe (63) is fixedly connected to an air pressure cabin (64) on a side away from the air bag (61), a side of the air pressure cabin (64) is slidably connected to an air pressure rod (65), the side of the air pressure rod (65) away from the air pressure cabin (64) is fixedly connected to a fixed leak-proof plate (66), the side of the air pressure cabin (64) away from the air pressure rod (65) is provided with an exhaust valve (67), and the bottom of the air pressure cabin (64) is fixedly connected to a connecting plate (68).

2. A piston rod assembly leak-proof tooling for facilitating adjustment of the piston rod according to claim 1, characterized in that: The piston body (2) and the gravity block (4) are slidably connected to the inner wall of the piston cylinder (5), and the interior of the piston cylinder (5) is set to a hollow state.

3. The anti-leakage tool for piston rod assembly that facilitates adjustment of the piston rod according to claim 2, characterized in that: The airbag (61) is fixedly connected to the inner lower end of the piston cylinder (5), and the shape of the airbag (61) is set to be a hemisphere.

4. A piston rod assembly leak-proof tool for facilitating adjustment of the piston rod according to claim 3, characterized in that: The air pressure chamber (64) is arranged on both sides of the upper end of the piston cylinder (5), the fixed leak-proof plate (66) is made of alloy steel with strong sealing performance and high temperature resistance, and the connecting plate (68) is fixedly connected to both sides of the outer upper end of the piston cylinder (5).

5. The anti-leakage tool for piston rod assembly that facilitates adjustment of the piston rod according to claim 4, characterized in that: The auxiliary limiting device (7) comprises a limiting fastening block 1 (71) and a limiting fastening block 2 (72); a threaded rod (73) is rotatably connected to and penetrates the limiting fastening block 1 (71); a knob (74) is fixedly connected to the side of the threaded rod (73); and a screw (75) is provided on the side of the limiting fastening block 2 (72).

6. The anti-leakage tool for piston rod assembly that facilitates adjustment of the piston rod according to claim 5, characterized in that: The limiting fastening block 1 (71) and the limiting fastening block 2 (72) are both fixedly connected to the top of the fixed anti-leakage plate (66), and threaded holes are provided on the limiting fastening block 1 (71) and the limiting fastening block 2 (72).

7. A piston rod assembly leak-proof tool for facilitating adjustment of the piston rod according to claim 6, characterized in that: The size of the threaded rod (73) is adapted to the size of the screw (75), and the number of the threaded rod (73) and the screw (75) is set to two.

Images