Quick release type hydraulic oil cylinder bottom cover locking mechanism

Abstract

The utility model relates to the technical field of hydraulic oil cylinders, and discloses a quick-release type hydraulic oil cylinder bottom cover locking mechanism which comprises a cylinder barrel, a first top cover is installed at one end of the cylinder barrel, a second top cover is installed on one side of the first top cover, a bottom cover is installed at the other end of the cylinder barrel, a piston rod is installed in the cylinder barrel, and a connecting plate is installed on one side of the bottom cover. A threaded groove is formed in one side of the connecting plate, four sets of positioning grooves are formed in the outer surfaces of the first top cover, the second top cover, the bottom cover and the connecting plate and communicate with one another, and a connecting mechanism is installed on one side of the second top cover. Through cooperative work of the connecting mechanism and the connecting plate, the situation that the connecting plate can be detached only by detaching a plurality of bolts is avoided, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil cylinder technical field, concretely is a quick detach type hydraulic oil cylinder bottom cover locking mechanism. BACKGROUND

[0002] Hydraulic oil cylinder is indispensable execution element in numerous industrial equipment, is widely used in engineering machinery, metallurgical equipment, marine machinery etc. field, in the excavator of engineering machinery, hydraulic oil cylinder realizes the movement of excavating arm through telescopic action, thereby completes the digging, loading etc. work task, in metallurgical equipment, hydraulic oil cylinder is used for controlling the roll gap operation of rolling mill.

[0003] Traditional hydraulic oil cylinder bottom cover locking mechanism often adopts multiple bolts to fix, when maintaining or replacing bottom cover, needs to disassemble these bolts one by one, this mode has many inconveniences, and the dismounting process of multiple bolts is time-consuming, and it needs certain time to dismount each bolt, and due to equipment operating environment and other factors, the bolt can be rusted or covered by dirt, further increase the difficulty of dismounting, thereby reduce the maintenance efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a quick detach type hydraulic oil cylinder bottom cover locking mechanism, solve the problem that traditional hydraulic oil cylinder bottom cover locking mechanism often adopts multiple bolts to fix, and each bolt needs certain time to dismount, reduces the maintenance efficiency.

[0005] To solve the above technical problem, the utility model is realized through the following technical scheme:

[0006] The utility model discloses a quick detach type hydraulic oil cylinder bottom cover locking mechanism, including cylinder barrel, one end of cylinder barrel is installed with first top cover, one side of first top cover is installed with second top cover, the other end of cylinder barrel is installed with bottom cover, the inside installation of cylinder barrel has piston rod, one side of bottom cover is installed with connecting plate, one side of connecting plate is provided with screw groove, the outer surface of first top cover, second top cover, bottom cover and connecting plate all are provided with four groups of positioning slot and are mutually connected, one side of second top cover is installed with connecting mechanism.

[0007] The connecting mechanism includes fixed plate, stand and limit plate, the fixed plate is installed on one side of second top cover, and the both sides of the fixed plate are fixedly installed with two groups of stands, and the limit plate is rotatably connected between every two groups of stands, and the ends of the two groups of limit plates coincide.

[0008] Further, the connecting mechanism further includes a slot, and the ends of the two groups of limit plates are provided with the slot, and the two groups of slots coincide.

[0009] Further, the connecting mechanism further comprises positioning rods, one side of the fixing plate is fixedly installed with four groups of positioning rods, and the four groups of positioning rods are inserted into positioning grooves arranged on the first top cover, the second top cover, the bottom cover and the connecting plate.

[0010] Further, the connecting mechanism further comprises locking bolts, and the interiors of the two groups of insertion grooves are inserted with locking bolts.

[0011] Further, the threaded groove and the two groups of insertion grooves are coincided, and the threaded groove is threadedly connected with the locking bolts.

[0012] Further, one side of the bottom cover is fixedly installed with an insertion pipe, the insertion pipe is inserted into the interior of the cylinder, the outer surface of the insertion pipe is fixedly installed with a sealing ring, and the sealing ring is in abutment with the inner surface of the cylinder.

[0013] The utility model has the following beneficial effects:

[0014] (1) the utility model discloses a fixing plate is placed at one side of the second top cover, in this process, the multiple groups of positioning rods installed on one side of the fixing plate are inserted into the coincided positioning grooves on the first top cover, the second top cover and the bottom cover, and the first top cover, the second top cover and the bottom cover are kept in a horizontal state, then the positioning grooves on the connecting plate are inserted into the multiple groups of positioning rods, and the connecting plate is installed on one side of the bottom cover, then the two groups of limiting plates are rotated to one side of the connecting plate, at this time, the insertion grooves on the two groups of limiting plates are in the coincided state, and the two groups of insertion grooves are also coincided with the threaded groove, at this time, the locking bolts are inserted into the interior of the threaded groove through the two groups of insertion grooves and are threadedly connected, and the installation is completed, when the bottom cover needs to be disassembled, the locking bolts are disassembled, then the limiting plates are rotated to one side, and the connecting plate is pulled out, so that the bottom cover can be disassembled, the situation that the connecting plate can be disassembled only by disassembling multiple bolts is avoided, and the maintenance efficiency is improved.

[0015] (2) the utility model discloses that multiple groups of positioning rods are inserted into multiple groups of positioning grooves arranged on the first top cover, the second top cover, the bottom cover and the connecting plate, so that the first top cover, the second top cover, the bottom cover and the connecting plate are conveniently limited, and the situation that the first top cover, the second top cover, the bottom cover and the connecting plate are horizontally deviated and are inconvenient to install is avoided.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Figure 1 It is the whole structure schematic diagram of the present utility model;

[0019] Figure 2 It is the partial structure split schematic diagram of the present utility model Figure One ;

[0020] Figure 3 It is the partial structure split schematic diagram of the present utility model Figure Two ;

[0021] Figure 4 It is the connecting mechanism structure schematic diagram of the present utility model;

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] In the drawings: 1, cylinder barrel;2, first top cover;3, second top cover;4, bottom cover;401, plug-in pipe;5, connecting plate;501, threaded groove;6, positioning groove;7, sealing ring;8, piston rod;9, connecting mechanism;901, fixed plate;902, vertical plate;903, limiting plate;904, plug-in slot;905, positioning rod;906, locking bolt. Specific implementation

[0024] The technical scheme in the embodiments of the present utility model will be clearly and completely described in combination with the drawings in the embodiments of the present utility model, obviously, the described embodiments are only some embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the present utility model.

[0025] Please refer to Figures 1-4 The present utility model is a quick-release type hydraulic oil cylinder bottom cover locking mechanism, including cylinder barrel 1, one end of cylinder barrel 1 is installed with first top cover 2, one side of first top cover 2 is installed with second top cover 3, the other end of cylinder barrel 1 is installed with bottom cover 4, the inside of cylinder barrel 1 is installed with piston rod 8, one side of bottom cover 4 is installed with connecting plate 5, one side of connecting plate 5 is provided with threaded groove 501, the outer surfaces of first top cover 2, second top cover 3, bottom cover 4 and connecting plate 5 are all provided with four groups of positioning grooves 6 and are interconnected, one side of second top cover 3 is installed with connecting mechanism 9;

[0026] The connecting mechanism 9 comprises a fixed plate 901, a vertical plate 902 and a limiting plate 903, the fixed plate 901 is installed on one side of the second top cover 3, two groups of vertical plates 902 are fixedly installed on the two sides of the fixed plate 901, and the limiting plate 903 is rotationally connected between the two groups of vertical plates 902, and the two groups of limiting plates 903 are coincident at one end;

[0027] The connecting mechanism 9 further comprises a slot 904, the slot 904 is arranged at one end of the two groups of limiting plates 903, and the two groups of slots 904 are coincident;

[0028] The connecting mechanism 9 further comprises a positioning rod 905, four groups of positioning rods 905 are fixedly installed on one side of the fixed plate 901, and the four groups of positioning rods 905 are inserted into the positioning grooves 6 arranged on the top of the first top cover 2, the second top cover 3, the bottom cover 4 and the connecting plate 5;

[0029] The connecting mechanism 9 further comprises a locking bolt 906, and the locking bolt 906 is inserted into the two groups of slots 904;

[0030] The threaded groove 501 and the two groups of slots 904 are coincident, and the threaded groove 501 and the locking bolt 906 are in threaded connection;

[0031] By placing the fixed plate 901 on one side of the second top cover 3, in the process, the groups of positioning rods 905 installed on one side of the fixed plate 901 are inserted into the coincident positioning grooves 6 on the first top cover 2, the second top cover 3 and the bottom cover 4, so that the first top cover 2, the second top cover 3 and the bottom cover 4 are kept in a horizontal state, then the positioning grooves 6 on the top of the connecting plate 5 are inserted into the groups of positioning rods 905 and are installed on one side of the bottom cover 4, then the two groups of limiting plates 903 are rotated to one side of the connecting plate 5, at this time, the slots 904 on the two groups of limiting plates 903 are in a coincident state, and the two groups of slots 904 are also coincident with the threaded groove 501, at this time, the locking bolt 906 is inserted into the threaded groove 501 in threaded connection, so that the installation is completed, when the bottom cover 4 needs to be disassembled, the locking bolt 906 is disassembled, then the limiting plate 903 is rotated to one side, and then the connecting plate 5 is pulled out, so that the bottom cover 4 can be disassembled, avoiding the situation that a plurality of bolts need to be disassembled to disassemble the connecting plate 5, and the maintenance efficiency is improved;

[0032] A plug-in pipe 401 is fixedly installed on one side of the bottom cover 4, the plug-in pipe 401 is inserted into the inside of the cylinder barrel 1, a sealing ring 7 is fixedly installed on the outer surface of the plug-in pipe 401, and the sealing ring 7 abuts against the inner surface of the cylinder barrel 1.

[0033] In use, first, the plug-in pipe 401 of the bottom cover 4 is inserted into the inside of the cylinder 1, the sealing ring 7 on the outer surface of the plug-in pipe 401 abuts against the inner surface of the cylinder 1, plays a sealing role, prevents hydraulic oil leakage, then the second top cover 3 and the first top cover 2 are installed to the other end of the cylinder 1, at this time, the positioning grooves 6 opened on the first top cover 2, the second top cover 3 and the bottom cover 4 are in the coincident state, then the fixing plate 901 is placed on one side of the second top cover 3, in the process, the multiple sets of positioning rods 905 installed on one side of the fixing plate 901 are inserted into the coincident positioning grooves 6 on the first top cover 2, the second top cover 3 and the bottom cover 4, the first top cover 2, the second top cover 3 and the bottom cover 4 are kept in a horizontal state, then the positioning grooves 6 on the upper surface of the connecting plate 5 are inserted into the multiple sets of positioning rods 905, and are installed to one side of the bottom cover 4, then the two sets of limiting plates 903 are rotated to one side of the connecting plate 5, at this time, the insertion grooves 904 on the two sets of limiting plates 903 are in the coincident state, the two sets of insertion grooves 904 also coincide with the threaded grooves 501, at this time, the locking bolts 906 are screwed into the inside of the threaded grooves 501 through the two sets of insertion grooves 904, the installation is completed, when the bottom cover 4 needs to be disassembled, the locking bolts 906 are disassembled, then the limiting plates 903 are rotated to one side, and then the connecting plate 5 is pulled out, the bottom cover 4 can be disassembled, the situation that multiple bolts need to be disassembled to pull out the connecting plate 5 is avoided, and the maintenance efficiency is improved.

[0034] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A quick-release hydraulic cylinder bottom cover locking mechanism, comprising a cylinder (1), a first top cover (2) installed at one end of the cylinder (1), a second top cover (3) installed on one side of the first top cover (2), a bottom cover (4) installed at the other end of the cylinder (1), and a piston rod (8) installed inside the cylinder (1), characterized in that: One side of the bottom cover (4) is provided with a connecting plate (5), one side of the connecting plate (5) is provided with a threaded groove (501), the outer surfaces of the first top cover (2), the second top cover (3), the bottom cover (4) and the connecting plate (5) are all provided with four groups of positioning grooves (6) and are communicated with each other, and one side of the second top cover (3) is provided with a connecting mechanism (9). The connecting mechanism (9) comprises a fixed plate (901), a vertical plate (902) and a limiting plate (903), the fixed plate (901) is installed on one side of the second top cover (3), two groups of vertical plates (902) are fixedly installed on the two sides of the fixed plate (901), the limiting plate (903) is rotatably connected between every two groups of vertical plates (902), and the two groups of limiting plates (903) are coincided at one end.

2. The quick-release hydraulic cylinder bottom cover locking mechanism according to claim 1, characterized in that: The connecting mechanism (9) further comprises a slot (904), and the two groups of limiting plates (903) are provided with the slot (904) at one end, and the two groups of slots (904) are coincided.

3. The quick-release hydraulic cylinder bottom cover locking mechanism of claim 1, wherein: The connecting mechanism (9) further comprises a positioning rod (905), and four groups of positioning rods (905) are fixedly installed on one side of the fixed plate (901), and the four groups of positioning rods (905) are inserted into the positioning grooves (6) on the upper surfaces of the first top cover (2), the second top cover (3), the bottom cover (4) and the connecting plate (5).

4. The quick-release hydraulic cylinder bottom cover locking mechanism of claim 2, wherein: The connecting mechanism (9) further comprises a locking bolt (906), and the two groups of slots (904) are provided with the locking bolt (906) inside.

5. The quick-release hydraulic cylinder bottom cover locking mechanism of claim 4, wherein: The threaded groove (501) and the two groups of slots (904) are coincided, and the threaded groove (501) and the locking bolt (906) are screwed.

6. The quick-release hydraulic cylinder bottom cover locking mechanism of claim 1, wherein: One side of the bottom cover (4) is fixedly provided with a plug-in pipe (401), the plug-in pipe (401) is inserted into the inside of the cylinder barrel (1), the outer surface of the plug-in pipe (401) is fixedly provided with a sealing ring (7), and the sealing ring (7) and the inner surface of the cylinder barrel (1) are abutted.

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