Self-locking oil cylinder assembly structure

Abstract

The self-locking oil cylinder assembly structure comprises an oil cylinder barrel, an oil cylinder guide groove, a guide rod, a mechanical locking block, a piston rod and a guide groove, the oil cylinder guide groove with a vertically upward opening is formed in the oil cylinder barrel, the guide rod is vertically arranged in the oil cylinder guide groove, and the mechanical locking block is arranged in the guide rod. A plurality of mechanical locking blocks are evenly arranged on the upper portion of the guide rod in a surrounding mode, a piston rod is arranged in the oil cylinder guide groove in a penetrating mode, a guide groove with a vertically-downward opening is formed in the piston rod, the guide rod is sleeved with the guide groove, and the mechanical locking blocks are arranged in the guide groove. The multi-directional mechanical locking block at the top end of the guide rod in the oil cylinder barrel can be matched with the guide groove in the piston rod for locking and limiting, mechanical structure locking can still be achieved after pressure of the oil cylinder is removed, and the locking effect is lasting and stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil cylinder, in particular to the technical field of self locking oil cylinder assembly structure. BACKGROUND

[0002] Hydraulic cylinder is the hydraulic energy conversion mechanical energy, do linear reciprocating motion's hydraulic actuating element, simple structure, reliable work, reciprocating motion without transmission gap, movement is stable, therefore in the hydraulic system of various machinery gets the wide application, oil cylinder needs to stop in the process of operation, in order to reduce the operating loss of oil pump, need to lock and fix the oil cylinder in the supporting state, thus need to design a self locking oil cylinder assembly structure. SUMMARY

[0003] The utility model discloses a self locking oil cylinder assembly structure can make the guide rod top of oil cylinder barrel body inside multidirectional mechanical locking block cooperate with the guide groove inside the piston rod and lock the limit, still can realize mechanical structure locking after the oil cylinder pressure removal, and the locking effect is durable and stable.

[0004] To realize above-mentioned purpose, the utility model discloses a self locking oil cylinder assembly structure, including oil cylinder barrel body, oil cylinder guide groove, guide rod, mechanical locking block, piston rod and guide groove, the oil cylinder barrel body is provided with the oil cylinder guide groove of opening vertical upward, the guide rod is vertically arranged in the oil cylinder guide groove, the upper portion of the guide rod is evenly surrounded and is provided with a plurality of mechanical locking blocks, the piston rod is inserted in the oil cylinder guide groove, the inside of the piston rod is provided with the guide groove of opening vertical downward, the guide groove is sleeved on the guide rod, and the mechanical locking block is arranged in the guide groove.

[0005] As preferred, the top of the piston rod is provided with a limiting boss, and the top opening position of the oil cylinder guide groove is provided with a limiting step ring groove corresponding to the limiting boss.

[0006] As preferred, the outer side wall of the piston rod and the inner side wall of the oil cylinder guide groove are evenly attached, and the outer side wall of the piston rod and the inner side wall of the oil cylinder guide groove are in sliding contact.

[0007] As preferred, the axial lines of the oil cylinder guide groove, the guide rod, the piston rod and the guide groove are located on the same straight line.

[0008] As preferred, the number of the mechanical locking blocks is at least four, and the mechanical locking blocks are evenly distributed on the same plane at the top of the guide rod.

[0009] As preferred, the outer end of the mechanical locking block is evenly provided with a plurality of electric telescopic locking pieces, the outermost end of the electric telescopic locking piece is consistent with the inner side wall of the guide groove sleeve, and a non-slip rubber sleeve is sleeved on the electric telescopic locking piece.

[0010] The utility model discloses beneficial effect: the utility model discloses a combination of oil cylinder barrel, oil cylinder guide groove, guide rod, mechanical locking block, piston rod and guide groove together, through the experiment optimization, can make the guide rod top of oil cylinder barrel inside multidirectional mechanical locking block cooperate the guide groove in piston rod inside and lock the limit, still can realize mechanical structure locking after oil cylinder pressure removal, and the locking effect is durable and stable.

[0011] The features and advantages of the utility model will be explained in detail by combining with the drawings through the embodiment. DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the utility model self-locking oil cylinder assembly structure.

[0013] In the drawing: 1 - oil cylinder barrel, 2 - oil cylinder guide groove, 3 - guide rod, 4 - mechanical locking block, 5 - piston rod, 6 - guide groove, 7 - limit boss, 8 - limit step ring groove, 9 - electric telescopic lock piece, 10 - antiskid rubber sleeve. SPECIFIC EMBODIMENT

[0014] Refer to Figure 1 The utility model discloses self-locking oil cylinder assembly structure, including oil cylinder barrel 1, oil cylinder guide groove 2, guide rod 3, mechanical locking block 4, piston rod 5 and guide groove 6, the oil cylinder barrel 1 is provided with the oil cylinder guide groove 2 of opening vertical upward in, the inside vertical of oil cylinder guide groove 2 is provided with guide rod 3, the upper portion of guide rod 3 is evenly surrounded and is provided with a plurality of mechanical locking block 4, the piston rod 5 is inserted and arranged in the oil cylinder guide groove 2, the inside of piston rod 5 is provided with the guide groove 6 of opening vertical downward, the guide groove 6 is set on guide rod 3, the mechanical locking block 4 is set in guide groove 6, the top of piston rod 5 is provided with limit boss 7, the top opening position of oil cylinder guide groove 2 corresponds limit boss 7 and is provided with limit step ring groove 8, the outside wall of piston rod 5 and the inside wall of oil cylinder guide groove 2 are evenly attached, the outside wall of piston rod 5 and the inside wall of oil cylinder guide groove 2 are sliding contact, the axis line of oil cylinder guide groove 2, guide rod 3, piston rod 5 and guide groove 6 is on the same straight line, the number of mechanical locking block 4 is at least four, the mechanical locking block 4 evenly surrounds distribution on the same plane of guide rod 3 top, the outer end of mechanical locking block 4 is evenly provided with a plurality of electric telescopic lock piece 9, the outermost end of electric telescopic lock piece 9 and the inside wall of guide groove 6 set are consistent, the electric telescopic lock piece 9 is set with antiskid rubber sleeve 10 on.

[0015] The utility model discloses a combination of oil cylinder barrel body 1, oil cylinder guide groove 2, guide rod 3, mechanical locking block 4, piston rod 5 and guide groove 6, through the experiment optimization, can make the guide rod 3 top of oil cylinder barrel body 1 inside multidirectional mechanical locking block 4 cooperate the guide groove 6 of piston rod 5 inside and lock the limit, still can realize mechanical structure locking after oil cylinder pressure relief, and the locking effect is durable and stable.

[0016] The above examples are illustrative of the present application and are not limiting, any simple transformation of the present application belongs to the protection scope of the present application.

Claims

1. A self-locking cylinder assembly structure, characterized by: Including oil cylinder barrel (1), oil cylinder guide groove (2), guide rod (3), mechanical locking block (4), piston rod (5) and guide groove (6), the oil cylinder barrel (1) is provided with open vertical upward oil cylinder guide groove (2), the oil cylinder guide groove (2) is vertically provided with guide rod (3) inside, the upper portion of the guide rod (3) is uniformly surrounded by a plurality of mechanical locking blocks (4), the oil cylinder guide groove (2) is provided with piston rod (5), the inside of the piston rod (5) is provided with open vertical downward guide groove (6), the guide groove (6) is sleeved on the guide rod (3), the mechanical locking block (4) is arranged in the guide groove (6).

2. The self-locking cylinder assembly structure of claim 1, wherein: The top end of the piston rod (5) is provided with a limiting convex head (7), and the top opening position of the oil cylinder guide groove (2) is provided with a limiting step ring groove (8) corresponding to the limiting convex head (7).

3. The self-locking cylinder assembly structure of claim 1, wherein: The outer side wall of the piston rod (5) and the inner side wall of the oil cylinder guide groove (2) are uniformly attached, and the outer side wall of the piston rod (5) and the inner side wall of the oil cylinder guide groove (2) are in sliding contact.

4. The self-locking cylinder assembly structure of claim 1, wherein: The axial lines of the oil cylinder guide groove (2), the guide rod (3), the piston rod (5) and the guide groove (6) are located on the same straight line.

5. The self-locking cylinder assembly structure of claim 1, wherein: The number of the mechanical locking block (4) is at least four, and the mechanical locking block (4) is uniformly distributed on the same plane at the top end of the guide rod (3).

6. The self-locking cylinder assembly structure of claim 1, wherein: The outer end of the mechanical locking block (4) is uniformly provided with a plurality of electric telescopic locking pieces (9), the outermost end of the electric telescopic locking piece (9) is matched with the inner side wall of the guide groove (6) sleeve, and the electric telescopic locking piece (9) is provided with an antiskid rubber sleeve (10).

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