Practical piston seal replacement lifting device

Abstract

The utility model discloses a practical piston seal replacement lifting device, which relates to the technical field of piston seal replacement, and comprises a piston main body, and a piston is connected in the piston main body in a sliding manner; the lifting disc is movably arranged at the top of the piston body, and the piston is located below the lifting disc and fixedly arranged with the lifting disc; and the dismounting jackscrew is arranged at the top of the piston main body, and the dismounting jackscrew is used for driving jacking of the lifting disc. The lifting disc, the piston rod and the piston can be driven to perform jacking motion by clockwise rotating the disassembly jackscrew, so that the piston can be ejected out of the cylinder body, the O-shaped ring on the piston can be replaced, the whole replacement process is simple in step and convenient to operate, and the O-shaped ring on the piston on the cylinder body can be disassembled, assembled and replaced more conveniently and efficiently.

Description

Technical Field

[0001] This utility model relates to the field of piston seal replacement technology, and in particular to a practical piston seal replacement lifting device. Background Technology

[0002] The gas meter currently in use with a lifting structure requires a large mobile lifting system to lift the entire lifting structure body to complete the seal replacement operation each time the seal is disassembled and replaced. This operation is complicated and relatively dangerous. At the same time, the assembly and disassembly efficiency is low, there are many auxiliary equipment, and the operator requirements are high, which affects the convenience and efficiency of seal disassembly and replacement on the gas meter. Therefore, a practical piston seal replacement lifting device is proposed. Utility Model Content

[0003] The purpose of this invention is to provide a practical piston seal replacement lifting device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a practical piston seal replacement lifting device, comprising:

[0005] A piston body, wherein a piston is slidably connected inside the piston body;

[0006] A lifting plate is movably disposed on the top of the piston body, and the piston is located below the lifting plate and fixedly disposed therewith.

[0007] The disassembly screw is located on the top of the piston body and is used to drive the lifting plate.

[0008] Preferably, the piston body comprises:

[0009] The cylinder body has an upper flange fixedly installed on its top, and the lifting plate is movably installed above the upper flange.

[0010] A piston rod, the outer wall of which is slidably connected to the inner side of the cylinder, and a connecting shaft that is slidably connected to the inner side of the cylinder is fixedly connected to the bottom of the piston rod, with the piston fixedly installed in the middle of the connecting shaft.

[0011] Preferably, a lower cylinder flange is fixedly connected to the bottom of the cylinder body, and multiple cylinder fixing rods are fixedly connected at intervals between the lower cylinder flange and the upper cylinder flange.

[0012] Preferably, the bottom end of the lifting plate is fixedly connected with multiple guide columns at intervals, and the outer walls of the multiple guide columns are slidably connected to the upper flange of the cylinder body.

[0013] Preferably, a guide post connector is movably disposed below the upper flange of the cylinder body, the guide post connector is slidably connected to the cylinder body fixing rod, and the bottom end of the guide post extends to the lower part of the upper flange of the cylinder body and is fixedly connected to the guide post connector.

[0014] Preferably, the disassembly screw is rotatably connected to the lifting plate, and the outer wall of the disassembly screw is threadedly connected to the flange on the cylinder body.

[0015] Compared with the prior art, the technical effects of this utility model are as follows:

[0016] This invention allows for the removal of the set screw by rotating it clockwise, which drives the lifting plate, piston rod, and piston to lift out of the cylinder body, thus enabling the replacement of the O-ring on the piston. The entire replacement process is simple and convenient, making the removal and replacement of the O-ring on the piston in the cylinder body more convenient and efficient. Attached Figure Description

[0017] Figure 1 This is a front structural diagram of the present invention in its unfolded state.

[0018] Figure 2 This is a front structural diagram of the material receiving state of this utility model.

[0019] Figure 3 This is a partial front view of the unfolded state of this utility model.

[0020] In the diagram: 101, piston rod; 102, disassembly screw; 103, lifting plate; 104, guide post; 105, connecting shaft; 106, piston; 107, upper flange of cylinder; 108, guide post connector; 109, cylinder; 110, cylinder fixing rod; 111, lower flange of cylinder. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This utility model provides, for example Figures 1-3The illustrated practical piston seal replacement lifting device includes a piston body, a lifting plate 103, and a disassembly screw 102. A piston 106 is slidably connected inside the piston body. The lifting plate 103 is movably disposed on the top of the piston body. The piston 106 is located below the lifting plate 103 and fixedly disposed therewith. The disassembly screw 102 is disposed on the top of the piston body and is used to drive the lifting plate 103 to lift. Under normal use, the piston 106 is slidably connected to the bottom of the piston body and cannot be pushed out. When it is necessary to replace the O-ring on the piston 106, simply rotate the disassembly screw 102 clockwise. This causes the disassembly screw 102 to drive the lifting plate 103 upward, thus lifting the piston 106 above the piston body and exposing it. This facilitates the replacement of the O-ring on the piston 106. The entire disassembly process is simple and convenient, reducing the difficulty for users to disassemble the piston 106 and replace the O-ring, and improving work efficiency.

[0023] The piston body includes a cylinder body 109 and a piston rod 101. A cylinder upper flange 107 is fixedly mounted on the top of the cylinder body 109. A disassembly screw 102 is rotatably connected to a lifting plate 103. The outer wall of the disassembly screw 102 is threadedly connected to the cylinder upper flange 107. The lifting plate 103 is movably positioned above the cylinder upper flange 107. The outer wall of the piston rod 101 is slidably connected to the inner side of the cylinder body 109. A connecting shaft 105, which is slidably connected to the inner side of the cylinder body 109, is fixedly connected to the bottom of the piston rod 101. A piston 106 is fixedly mounted in the middle of the connecting shaft 105. The piston 106 and the piston rod 101 are connected via the connecting shaft 105, allowing the piston 106 to move within the cylinder body 109. During internal lifting, the piston rod 101 can be driven to extend and retract, realizing the movement of the piston body. At the same time, in conjunction with the threaded connection between the disassembly screw 102 and the upper flange 107 of the cylinder body, the disassembly screw 102 can lift relative to the upper flange 107 of the cylinder body when rotated clockwise. With the disassembly screw 102 and the lifting plate 103 in a relatively fixed position, the disassembly screw 102 can drive the lifting plate 103 to lift at the same time. In this way, the lifting plate 103, piston 106 and piston rod 101 can be lifted simultaneously to complete the disassembly of piston 106 in cylinder body 109. This makes the disassembly operation more convenient, labor-saving and more efficient.

[0024] Furthermore, multiple guide posts 104 are fixedly connected at intervals to the bottom end of the lifting plate 103. The outer walls of the multiple guide posts 104 are slidably connected to the upper flange 107 of the cylinder body. By utilizing the slidable connection between the guide posts 104 and the upper flange 107 of the cylinder body, the lifting plate 103 can drive the guide posts 104 to rise and fall simultaneously with the lifting action. Due to the limiting and guiding effect of the upper flange 107 of the cylinder body, the guide posts 104 can guide the lifting process of the lifting plate 103, thereby improving the stability of the lifting plate 103 during the lifting and lowering process. This ensures that the piston 106 will not shift its position from the cylinder body 109 during the lifting and disassembly process. This allows for more accurate positioning of the piston 106 when it is subsequently installed into the cylinder body 109, avoiding disassembly and assembly errors, and making the disassembly and assembly of the piston 106 in the cylinder body 109 more efficient.

[0025] Furthermore, a lower cylinder flange 111 is fixedly connected to the bottom of the cylinder body 109, and multiple cylinder fixing rods 110 are fixedly connected between the lower cylinder flange 111 and the upper cylinder flange 107 at intervals. A guide post connector 108 is movably arranged below the upper cylinder flange 107, and the guide post connector 108 is slidably connected to the cylinder fixing rods 110. The bottom end of the guide post 104 extends to the bottom of the upper cylinder flange 107 and is fixedly connected to the guide post connector 108. The cooperation between the lower cylinder flange 111 and the cylinder fixing rods 110 and the upper cylinder flange 107 can form a limiting and fixing effect on the upper and lower ends of the cylinder body 109. This achieves the fixing effect on the cylinder body 109. Then, the guide column connector 108 is slidably connected to the outer wall of the cylinder body fixing rod 110, and the guide column connector 108 is fixed to the bottom of the guide column 104. The cylinder body fixing rod 110 can limit and guide the lifting process of the guide column connector 108, so that the guide column connector 108 plays a secondary limiting and guiding role in the lifting of the guide column 104, thereby further improving the guiding effect on the lifting process of the lifting plate 103, making the lifting process of the lifting plate 103 driving the piston 106 more stable, thereby improving the work quality of the piston 106 being disassembled and assembled on the cylinder body 109.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A practical piston seal replacement lifting device, characterized in that, include: A piston body, wherein a piston (106) is slidably connected inside the piston body; A lifting plate (103) is movably disposed on the top of the piston body, and the piston (106) is located below the lifting plate (103) and fixedly disposed with the lifting plate (103); The disassembly screw (102) is located on the top of the piston body and is used to drive the lifting plate (103) to lift.

2. The practical piston seal replacement lifting device according to claim 1, characterized in that, The piston body includes: The cylinder body (109) has an upper flange (107) fixedly installed on its top, and the lifting plate (103) is movably installed above the upper flange (107). A piston rod (101) is slidably connected to the inner side of a cylinder (109) on its outer wall. A connecting shaft (105) is fixedly connected to the bottom of the piston rod (101) and slidably connected to the inner side of the cylinder (109). The piston (106) is fixedly installed in the middle of the connecting shaft (105).

3. A practical piston seal replacement lifting device according to claim 2, characterized in that, The bottom of the cylinder body (109) is fixedly connected to a lower cylinder flange (111), and a plurality of cylinder fixing rods (110) are fixedly connected between the lower cylinder flange (111) and the upper cylinder flange (107) at intervals.

4. A practical piston seal replacement lifting device according to claim 3, characterized in that, The bottom end of the lifting plate (103) is fixedly connected with a plurality of guide posts (104) at intervals, and the outer walls of the plurality of guide posts (104) are slidably connected to the upper flange (107) of the cylinder body.

5. A practical piston seal replacement lifting device according to claim 4, characterized in that, A guide post connector (108) is movably disposed below the upper flange (107) of the cylinder body. The guide post connector (108) is slidably connected to the cylinder body fixing rod (110). The bottom end of the guide post (104) extends to the lower part of the upper flange (107) of the cylinder body and is fixedly connected to the guide post connector (108).

6. A practical piston seal replacement lifting device according to claim 5, characterized in that, The disassembly screw (102) is rotatably connected to the lifting plate (103), and the outer wall of the disassembly screw (102) is threadedly connected to the upper flange (107) of the cylinder body.

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