Total-stroke side-supporting counterweight cylinder

Abstract

The utility model relates to the technical field of counterweight cylinders, in particular to a full-stroke side support counterweight cylinder which comprises a cylinder body and a piston. A lower cylinder cover is arranged at the bottom end of the cylinder body, an air inlet is formed in the lower cylinder cover, an upper cylinder cover is arranged at the upper end of the cylinder body, an air outlet is formed in the upper cylinder cover, and the lower cylinder cover and the upper cylinder cover are fixedly connected and provided with a fixing support. The piston is movably clamped in the cylinder body through the side supporting assembly and the auxiliary assembly; a side supporting effect is formed in a sliding groove through a fixing base, stable linear movement of a piston is guaranteed, an air inlet inflates a high-pressure air bag to push the piston to move, in the process, a scraper blade cleans foreign matter on the inner wall of a balance weight air cylinder and the sliding groove to avoid damage to the piston, and lubricating oil flows out of dripping openings in the two sides of a T-shaped dripping pipe on the side wall of a lubricating oil box and falls onto a wiping plate. The wiping plate wipes and smears lubricating oil on the side wall of the sliding groove along with movement of the piston and the fixing base, the moving friction force of the fixing base is reduced, and normal linear movement of the air cylinder piston is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to counterweight cylinder technical field, concretely is a full stroke side support counterweight cylinder. BACKGROUND

[0002] The prior art patent document with the announcement number CN220622315U discloses a kind of air intake structure and high-speed machine tool counterweight cylinder, comprising: flow splitter, two flow splitter air inlet holes are symmetrically opened on the side wall of the upper end of the flow splitter, flow splitter air outlet hole is opened on the side wall of the other side of the upper end of the flow splitter, gas passage is arranged in the inner end of flow splitter, and the two ends of gas passage are communicated with two flow splitter air inlet holes and flow splitter air outlet hole respectively;The upper side of one end of flow splitter is equipped with cylinder, and the lower end of cylinder is fixedly installed on the upper end of flow splitter by bolt, and the cylinder air inlet hole of the lower end of cylinder is communicated with flow splitter air outlet hole, the device improves the air inlet speed of cylinder, solves the problem of thrust drop when cylinder moves at high speed;Two thin air inlet pipes are used instead of a thick air inlet pipe, which can reduce the bending radius of air inlet pipe and make it easier to assemble;The working pressure of cylinder is improved, and the cylinder thrust is greatly improved under the condition that the cylinder diameter remains unchanged.

[0003] But in the above-mentioned scheme, foreign matter will enter the cylinder body and adhere to the inner wall of the counterweight cylinder during the use of the counterweight cylinder, which will damage the cylinder piston during use and affect the normal linear movement of the cylinder piston, and needs to be improved and optimized. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a full stroke side support counterweight cylinder to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a full stroke side support counterweight cylinder, comprising: cylinder body, piston;The lower end of cylinder body is provided with lower cylinder cover, air inlet is arranged on lower cylinder cover, upper cylinder cover is arranged on the upper end of cylinder body, air outlet hole is arranged on upper cylinder cover, and fixed support is fixedly connected and arranged between lower cylinder cover and upper cylinder cover;The piston is movably connected in the cylinder body through side support assembly and auxiliary assembly.

[0006] Preferably, the sliding groove in the side support assembly starts on the side wall of the cylinder body, the two end walls of the piston are fixedly connected with the fixed seat, support blocks are fixedly arranged on the two ends of the piston, and scraper plates are fixedly arranged on the side ends of the support blocks.

[0007] Preferably, the fixed seat is movably connected in the sliding groove, a plurality of O-rings are fixedly arranged on the piston and the scraper plates, and air curtain holes are arranged on the upper cylinder cover to communicate with the cylinder body.

[0008] Preferably, the cylinder is provided with a high-pressure air bag, one side of the high-pressure air bag is fixedly connected with the lower cylinder cover and communicates with the air inlet, the other side of the high-pressure air bag is fixedly connected with the scraper, the telescopic shield is symmetrically arranged on the lower cylinder cover and the upper cylinder cover, the telescopic shield wraps the cylinder, and the output end of the telescopic shield is fixedly connected with the fixed seat.

[0009] Preferably, the convex rod in the auxiliary assembly is fixedly arranged on the fixed seat, a lubricating oil box is fixedly arranged at the end of the convex rod, an oil-absorbing sponge block is arranged in the lubricating oil box, a T-shaped dropper is fixedly and communicatively arranged on the side wall of the lubricating oil box, and the T-shaped dropper penetrates the end shell of the telescopic shield.

[0010] Preferably, the T-shaped dropper is fixedly provided with a wiping plate at both ends of the dropper through a connecting rod, the wiping plate is in contact with the side wall of the sliding groove, an oil box cover is threadedly connected on the lubricating oil box, a knob bolt is threadedly connected on the oil box cover, a pressing plate is fixedly arranged at the end of the knob bolt, and the pressing plate is inserted into the lubricating oil box.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The fixed seat forms a side support effect in the sliding groove to ensure stable linear movement of the piston, the air inlet fills the high-pressure air bag with air to push the piston to move, the scraper cleans the inner wall of the counterweight cylinder and the sliding groove in the process to avoid damage to the piston, lubricating oil is dropped from the T-shaped dropper on the side wall of the lubricating oil box to the wiping plate, the wiping plate moves with the piston and the fixed seat to wipe and smear the lubricating oil on the side wall of the sliding groove, the friction of the fixed seat is reduced, and normal linear movement of the piston of the cylinder is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of the utility model Figure 1 It is a partial enlarged view of A in the utility model;

[0015] Figure 3 It is a structural connection schematic view of the convex rod of the utility model;

[0016] Figure 4 It is a structural connection schematic view of the lubricating oil box of the utility model;

[0017] Figure 5 It is a structural connection schematic view of the lubricating oil box of the utility model Figure 4 It is a partial enlarged view of B in the utility model:

[0018] Figure 6 It is a structural connection half-sectional view of the lubricating oil box of the utility model.

[0019] In the figure: cylinder 1, lower cylinder cover 2, upper cylinder cover 3, fixed support 4, air inlet 5, piston 6, sliding groove 7, fixed seat 8, supporting block 9, scraper 10, O-shaped ring 11, high-pressure air bag 12, air curtain hole 13, telescopic protective cover 14, convex rod 15, lubricating oil box 16, oil-absorbing sponge block 17, T-shaped dropper 18, wiping plate 19, oil box cover 20, knob bolt 21, pressing plate 22. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme of the utility model to carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the embodiments of the utility model, and not for limiting the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model protection.

[0021] Please refer to Figures 1-6 The utility model provides the following two preferred scheme embodiments:

[0022] Embodiment one: a full stroke side support counterweight air cylinder, comprising: cylinder 1, piston 6;The bottom end of the cylinder 1 is provided with a lower cylinder cover 2, the lower cylinder cover 2 is provided with an air inlet 5, the upper end of the cylinder 1 is provided with an upper cylinder cover 3, the upper cylinder cover 3 is provided with an air outlet hole, the lower cylinder cover 2 and the upper cylinder cover 3 are fixedly connected to set a fixed support 4;The piston 6 is movably clamped in the cylinder 1 by a side support assembly and an auxiliary assembly;The sliding groove 7 in the side support assembly starts on the side wall of the cylinder 1, the both ends of the piston 6 are fixedly connected with a fixed seat 8, the both ends of the piston 6 are fixedly provided with a supporting block 9, and the side end of the supporting block 9 is fixedly provided with a scraper 10;The fixed seat 8 is movably clamped in the sliding groove 7, a plurality of O-shaped rings 11 are fixedly arranged on the piston 6 and the scraper 10, and an air curtain hole 13 is arranged on the upper cylinder cover 3 to communicate with the cylinder 1;A high-pressure air bag 12 is arranged in the cylinder 1, one side of the high-pressure air bag 12 is fixedly connected with the lower cylinder cover 2 and communicates with the air inlet 5, the other side of the high-pressure air bag 12 is fixedly connected with the scraper 10, telescopic protective covers 14 are symmetrically arranged on the lower cylinder cover 2 and the upper cylinder cover 3, the telescopic protective covers 14 wrap the cylinder 1, and the output end of the telescopic protective cover 14 is fixedly connected with the fixed seat 8.

[0023] In use, the fixed support 4 is installed on the lower cylinder cover 2 and the upper cylinder cover 3 of the counterweight cylinder to fix the whole cylinder, the piston 6 and the fixed seat 8 are installed in the cylinder body 1 and the fixed seat 8 is moved in the sliding groove 7 to form a side support effect to ensure the stable linear movement of the piston 6, the air inlet 5 fills the high-pressure air bag 12 to push the piston 6 to move, so that the cylinder output rod fixed on the scraper 10 on the other side of the piston 6 moves to realize the counterweight bearing, a plurality of O-rings 11 are fixed on the piston 6 and the scraper 10 to improve the running stability, the scraper 10 cleans the foreign matters on the inner wall of the counterweight cylinder and the sliding groove 7 during the movement to prevent the damage to the piston 6, the telescopic protective cover 14 is designed in a sleeve shape and the two ends are provided with circular holes to protect the cylinder body 1 and cooperate with the filtered gas passing through the air curtain hole 13 to reduce the entry of foreign matters and ensure the normal linear movement of the cylinder piston.

[0024] In the embodiment two, the convex rod 15 in the auxiliary assembly is fixedly arranged on the fixed seat 8, the lubricating oil box 16 is fixedly arranged at the end of the convex rod 15, the oil absorption sponge block 17 is arranged in the lubricating oil box 16, the T-shaped dropper 18 is fixedly arranged on the side wall of the lubricating oil box 16 in communication, the T-shaped dropper 18 penetrates the end shell of the telescopic protective cover 14, the wiping plate 19 is fixedly arranged on the two ends of the T-shaped dropper 18 through the connecting rod, the wiping plate 19 is in contact with the side wall of the sliding groove 7, the oil box cover 20 is threadedly connected on the lubricating oil box 16, the knob bolt 21 is threadedly connected on the oil box cover 20, the pressing plate 22 is fixedly arranged at the end of the knob bolt 21, and the pressing plate 22 is inserted into the lubricating oil box 16.

[0025] In use, the knob bolt 21 is rotated to control the downward movement of the pressing plate 22 to extrude the oil absorption sponge block 17 with lubricating oil, the extruded lubricating oil falls from the two side openings of the T-shaped dropper 18 on the side wall of the lubricating oil box 16 to the wiping plate 19, the wiping plate 19 moves with the piston 6 and the fixed seat 8 to wipe and smear the lubricating oil on the side wall of the sliding groove 7, the friction of the fixed seat 8 is reduced, and the normal linear movement of the cylinder piston is avoided.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A full stroke side support counterbalance cylinder, comprising: Cylinder (1), piston (6); the bottom end of the cylinder (1) is provided with a lower cylinder cover (2), the lower cylinder cover (2) is provided with an air inlet (5), the upper end of the cylinder (1) is provided with an upper cylinder cover (3), the upper cylinder cover (3) is provided with an air outlet, the lower cylinder cover (2) and the upper cylinder cover (3) are fixedly connected with a fixed support (4); It is characterized in that the piston (6) is movably connected in the cylinder (1) through a side support assembly and an auxiliary assembly.

2. A full stroke side support counterbalance cylinder according to claim 1, characterized in that: The sliding groove (7) in the side support assembly starts on the side wall of the cylinder (1), the two end walls of the piston (6) are fixedly connected with a fixed seat (8), the two ends of the piston (6) are fixedly provided with support blocks (9), and the side ends of the support blocks (9) are fixedly provided with scrapers (10).

3. A full stroke side support counterbalance gas cylinder according to claim 2, characterized in that: The fixed seat (8) is movably connected in the sliding groove (7), a plurality of O-rings (11) are fixedly arranged on the piston (6) and the scraper (10), and an air curtain hole (13) is arranged on the upper cylinder cover (3) to communicate with the cylinder (1).

4. A full stroke side support counterbalance gas cylinder as claimed in claim 3, characterized in that: The cylinder (1) is provided with a high-pressure air bag (12), one side of the high-pressure air bag (12) is fixedly connected with the lower cylinder cover (2) and communicates with the air inlet (5), the other side of the high-pressure air bag (12) is fixedly connected with the scraper (10), telescopic protective covers (14) are symmetrically arranged on the lower cylinder cover (2) and the upper cylinder cover (3), the telescopic protective covers (14) wrap the cylinder (1), and the output ends of the telescopic protective covers (14) are fixedly connected with the fixed seat (8).

5. A full stroke side support counterbalance cylinder as claimed in claim 1, characterized in that: The convex rod (15) in the auxiliary assembly is fixedly arranged on the fixed seat (8), the convex rod (15) is fixedly provided with a lubricating oil box (16) at the end, the lubricating oil box (16) is placed with an oil absorbing sponge block (17), a T-shaped dropper (18) is fixedly and communicatively arranged on the side wall of the lubricating oil box (16), and the T-shaped dropper (18) penetrates the end housing of the telescopic protective cover (14).

6. A full stroke side support counterbalance gas cylinder as claimed in claim 5, characterized in that: The two end dripping openings of the T-shaped dropper (18) are fixedly provided with a wiping plate (19) through a connecting rod, the wiping plate (19) is in contact with the side wall of the sliding groove (7), the lubricating oil box (16) is screwedly connected with an oil box cover (20), the oil box cover (20) is screwedly connected with a knob bolt (21), the end of the knob bolt (21) is fixedly provided with a pressing plate (22), and the pressing plate (22) is inserted into the lubricating oil box (16).

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