Cylinder body assembly of variable plunger

Abstract

The utility model discloses a cylinder body assembly of a variable plunger, and relates to the technical field of variable cylinder bodies. Comprising a main cylinder body, a receding hole is formed in the side wall of the main cylinder body, two first compression springs can be contracted by oppositely stirring tongue pieces through a quick mounting and dismounting assembly, and meanwhile, when the two tongue pieces are stirred in place, an insertion block can be quickly taken out from the inner wall of the receding hole; and when maintenance is completed, an insertion block is inserted into the inner wall of a receding hole, two first compression springs stretch to push a tongue piece to move so that the tongue piece can enter the inner wall of a limiting groove, and then the insertion block can be conveniently limited. And when the inserting block moves in place, the second compression spring stretches, so that the side wall of the sealing ring abuts against the side wall of the sealing piece, oil stains in the main cylinder body are prevented from leaking out, and the overall sealing performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to variable cylinder body technical field, concretely is a kind of cylinder body assembly of variable plunger. BACKGROUND

[0002] As the key part of hydraulic system, the cylinder body assembly of variable plunger plays an irreplaceable role in the industrial field. From heavy machinery manufacturing, such as large press, shield machine, to precision operation equipment on automatic production line, it relies on its accurate and adjustable power output. In modern production, the equipment needs to adapt to the diverse demand of pressure and flow for different production tasks frequently. The cylinder body assembly of variable plunger ensures the efficient operation of various machines with its flexible variable adjustment function.

[0003] However, the traditional cylinder body assembly of variable plunger has many drawbacks. After long-term use of variable plunger, it is extremely difficult to maintain the plunger inside the cylinder. Because of the complex structure design and compact internal component layout, maintenance personnel need to spend a lot of time to remove many peripheral components to access the plunger that needs to be maintained, which greatly prolongs the maintenance cycle and seriously affects the normal operation time of the equipment. Secondly, there is no convenient disassembly design in the maintenance process, which requires a special tool to disassemble, thereby increasing the difficulty of repair operation. Not only consumes manpower, but also may cause secondary damage to other components due to improper operation. Therefore, a cylinder body assembly of variable plunger is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of cylinder body assembly of variable plunger to solve the problem that the traditional cylinder body assembly of variable plunger is difficult to maintain the plunger inside the cylinder after long-term use of variable plunger.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of cylinder body assembly of variable plunger, including main cylinder body, the side wall of the main cylinder body is equipped with avoiding position hole, the inner wall of the avoiding position hole is provided with quick installation and disassembly component;

[0006] The quick installation and disassembly component includes insertion block, the insertion block is inserted in the inner wall of avoiding position hole, the two sides of the insertion block are equipped with limiting slot, the inner wall of the two sides of avoiding position hole is equipped with sliding slot, the inner wall of the sliding slot is slidably connected with tongue piece, the side wall of the tongue piece is fixedly connected with two first compression springs, the other end of the two first compression springs is fixedly connected with the inner wall of sliding slot, the size of the insertion block is matched with the size of avoiding position hole.

[0007] Preferably, the inner wall of the avoiding hole is provided with a mounting groove, the inner wall of the mounting groove is slidably connected with a sliding plate, the side wall of the sliding plate is fixedly connected with a plurality of second compression springs, and the other ends of the plurality of second compression springs are fixedly connected with the inner wall of the mounting groove.

[0008] Preferably, the side wall of the sliding plate is fixedly connected with a sealing ring, and the side wall of the sealing ring is attached to the inner wall of the mounting groove.

[0009] Preferably, the side wall of the insertion block is provided with a fixing groove, and the inner wall of the fixing groove is fixedly connected with a sealing piece.

[0010] Preferably, the side wall of the insertion block is provided with a hand holding groove, and the inner wall of the hand holding groove is provided with a circular arc edge.

[0011] Preferably, the size of the sealing ring matches the size of the sliding plate, and the side wall of the sealing ring abuts against the side wall of the sealing piece.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The quick mounting and dismounting assembly is arranged, so that the two first compression springs are retracted by opposite pushing of the tongue pieces, the insertion block is quickly pulled out from the inner wall of the avoiding hole when the two tongue pieces are pushed into position, the inside of the main cylinder body is conveniently maintained quickly, the maintenance time is shortened, the working efficiency is improved, the insertion block is inserted into the inner wall of the avoiding hole when the maintenance is completed, the two first compression springs are stretched to push the tongue pieces to move and make the tongue pieces enter the inner wall of the limiting groove, the insertion block is conveniently limited, the insertion block is prevented from separating from the inner wall of the avoiding hole, the side wall of the sealing ring abuts against the side wall of the sealing piece when the insertion block moves into position, the oil in the inside of the main cylinder body is prevented from leaking out, and the overall sealing property is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a main cylinder body partial section structure schematic view of the utility model;

[0016] Figure 3 It is a tongue piece structure schematic view of the utility model;

[0017] Figure 4 It is a quick mounting and dismounting assembly partial section structure schematic view of the utility model;

[0018] Figure 5 It is a limiting groove structure schematic view of the utility model;

[0019] Figure 6The partial sectional structure schematic view of the insertion block of the utility model.

[0020] In the figure: 1, main cylinder body;2, avoid position hole;3, quick installation and disassembly assembly;301, insertion block;302, limit slot;303, sliding groove;304, tongue;305, first compression spring;306, installation groove;307, sliding plate;308, second compression spring;309, sealing ring;310, fixed groove;311, sealing piece;312, hand grab groove;313, arc edge. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-6 The utility model provides a kind of cylinder body assembly of variable plunger, including main cylinder body 1, the side wall of main cylinder body 1 is equipped with avoid position hole 2, the inner wall of avoid position hole 2 is provided with quick installation and disassembly assembly 3, quick installation and disassembly assembly 3 includes insertion block 301, insertion block 301 is inserted in the inner wall of avoid position hole 2, the both sides of insertion block 301 are equipped with limit slot 302, the both sides of the inner wall of avoid position hole 2 are equipped with sliding groove 303, the inner wall of sliding groove 303 is slidably connected with tongue 304, the side wall of tongue 304 is fixedly connected with two first compression springs 305, the other end of two first compression springs 305 is fixedly connected with the inner wall of sliding groove 303, the size of insertion block 301 matches the size of avoid position hole 2, by the quick installation and disassembly assembly 3 of being set, when needing to maintain inside main cylinder body 1, to the tongue 304 of being moved can make two first compression springs 305 shrink, simultaneously when two tongue 304 are moved in place, insertion block 301 can be quickly taken out from the inner wall of avoid position hole 2, to facilitate the inside of main cylinder body 1 is quickly maintained, so as to shorten maintenance time, improve work efficiency.

[0023] Further, the inner wall of avoid position hole 2 is equipped with installation groove 306, the inner wall of installation groove 306 is slidably connected with sliding plate 307, the side wall of sliding plate 307 is fixedly connected with multiple second compression springs 308, the other end of multiple second compression springs 308 is fixedly connected with the inner wall of installation groove 306, by the sliding plate 307 and second compression spring 308 of being set, mutually cooperate and use, so as to facilitate second compression spring 308 to push sliding plate 307 to move so that the side wall of sliding plate 307 is in contact with the side wall of insertion block 301, to improve the sealing property of whole.

[0024] Further, the side wall of the sliding plate 307 is fixedly connected with a sealing ring 309, the side wall of the sealing ring 309 is attached to the inner wall of the mounting groove 306, the sealing ring 309 is arranged to facilitate the contact with the inner wall of the mounting groove 306 to be more precise, and better sealing effect is provided.

[0025] Further, the side wall of the insertion block 301 is provided with a fixed groove 310, the inner wall of the fixed groove 310 is fixedly connected with a sealing piece 311, the sealing piece 311 is arranged to facilitate the insertion block 301 to provide better sealing effect when contacting with the sliding plate 307.

[0026] Further, the side wall of the insertion block 301 is provided with a hand grabbing groove 312, the inner wall of the hand grabbing groove 312 is provided with a circular arc edge 313, the hand grabbing groove 312 is arranged to facilitate pulling the insertion block 301, and the circular arc edge 313 is arranged to facilitate protecting the fingers when pulling the insertion block 301.

[0027] Further, the size of the sealing ring 309 matches the size of the sliding plate 307, the side wall of the sealing ring 309 abuts against the side wall of the sealing piece 311, the sliding plate 307 and the sealing ring 309 are arranged to cooperate with each other to facilitate avoiding the oil in the main cylinder body 1 from leaking out.

[0028] Working principle: the quick mounting and dismounting assembly 3 is arranged, when the inside of the main cylinder body 1 needs to be maintained, the two first compression springs 305 are retracted by pulling the tongue piece 304, when the two tongue pieces 304 are pulled into place, the insertion block 301 is quickly taken out from the inner wall of the avoidance hole 2, the inside of the main cylinder body 1 is quickly maintained, the maintenance time is shortened, and the working efficiency is improved, when the maintenance is completed, the insertion block 301 is inserted into the inner wall of the avoidance hole 2, the two first compression springs 305 are stretched to push the tongue piece 304 to move, the tongue piece 304 enters the inner wall of the limiting groove 302, the insertion block 301 is limited, the insertion block 301 is prevented from separating from the inner wall of the avoidance hole 2, when the insertion block 301 moves into place, the second compression spring 308 is stretched to make the side wall of the sealing ring 309 abut against the side wall of the sealing piece 311, the oil in the main cylinder body 1 is prevented from leaking out, and the overall sealing performance is improved.

[0029] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A variable plunger cylinder assembly comprising a main cylinder (1), characterized in that: The side wall of the main cylinder body (1) is provided with an avoiding hole (2), and the inner wall of the avoiding hole (2) is provided with a quick mounting and dismounting assembly (3). The quick mounting and dismounting assembly (3) comprises an insertion block (301), the insertion block (301) is inserted into the inner wall of the avoiding hole (2), the two sides of the insertion block (301) are provided with limiting grooves (302), the inner wall of the avoiding hole (2) is provided with sliding grooves (303) on both sides, the inner wall of the sliding groove (303) is slidably connected with a tongue piece (304), the side wall of the tongue piece (304) is fixedly connected with two first compression springs (305), the other end of the two first compression springs (305) is fixedly connected with the inner wall of the sliding groove (303), and the size of the insertion block (301) is matched with the size of the avoiding hole (2).

2. A variable plunger cylinder assembly as defined in claim 1, wherein: The inner wall of the avoiding hole (2) is provided with a mounting groove (306), the inner wall of the mounting groove (306) is slidably connected with a sliding plate (307), the side wall of the sliding plate (307) is fixedly connected with a plurality of second compression springs (308), and the other end of the plurality of second compression springs (308) is fixedly connected with the inner wall of the mounting groove (306).

3. A variable plunger cylinder assembly as defined in claim 2, wherein: The side wall of the sliding plate (307) is fixedly connected with a sealing ring (309), and the side wall of the sealing ring (309) is attached to the inner wall of the mounting groove (306).

4. A variable plunger cylinder assembly as defined in claim 1, wherein: The side wall of the insertion block (301) is provided with a fixing groove (310), and the inner wall of the fixing groove (310) is fixedly connected with a sealing piece (311).

5. A variable plunger cylinder assembly as defined in claim 1, wherein: The side wall of the insertion block (301) is provided with a hand grabbing groove (312), and the inner wall of the hand grabbing groove (312) is provided with a circular arc edge (313).

6. A variable plunger cylinder assembly as defined in claim 3, wherein: The size of the sealing ring (309) is matched with the size of the sliding plate (307), and the side wall of the sealing ring (309) is attached to the side wall of the sealing piece (311).

Images