CN212202696U

CN212202696U - Novel hydraulic cylinder head easy to replace

Info

Publication number: CN212202696U
Application number: CN202020816411.9U
Authority: CN
Inventors: 曾丽旋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2020-12-22
Anticipated expiration: 2030-05-16

Abstract

The utility model belongs to the technical field of mechanical equipment, the utility model discloses a novel pneumatic cylinder head of easily changing, including the hydro-cylinder pole, the upper end face of the hydro-cylinder pole is fixedly connected with the fixed column, and the intermediate position of the upper end face of the fixed column is fixedly connected with the plug-in post, and the spacing groove has been seted up to the plug-in post up end, and the upper end face of the hydro-cylinder pole can be dismantled and be connected with the cylinder head body, and cylinder head body bottom surface fixedly connected with contact muscle, cylinder head body up end fixedly connected with connecting piece, cylinder pole and cylinder head body pass through fixed cover fixed connection; pass mounting hole, fixed orifices and spacing muscle on the mounting plane through the screw and fix, the unable vertical slip of cylinder head body, fixed cover presses the contact rib at the up end of fixed column, and then plays the spacing effect of vertical direction to the cylinder head body, and the dual atress of cylinder head body and hydro-cylinder pole is spacing, the effectual stability of fixing between improving cylinder head body and the hydro-cylinder pole.

Description

Novel hydraulic cylinder head easy to replace

Technical Field

The utility model belongs to the technical field of mechanical equipment, specifically a novel pneumatic cylinder jar head of easily changing.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can remove speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in hydraulic systems of various machines.

The hydraulic cylinder head is an important part for connecting other objects, but the traditional hydraulic cylinder head is directly connected with the piston rod through threads, when the hydraulic cylinder starts to work, the hydraulic cylinder can be vibrated and impacted, threads are easily damaged when the threads are vibrated and impacted, after the threads are damaged, the threaded hydraulic cylinder head is easily subjected to thread slipping or blocked disassembly, and the subsequent repair work of the threads is also troublesome.

Disclosure of Invention

An object of the utility model is to provide a novel pneumatic cylinder jar head of easily changing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel hydraulic cylinder head easy to replace comprises a cylinder rod, wherein a fixed column is fixedly connected to the upper end face of the cylinder rod, an insertion column is fixedly connected to the middle position of the upper end face of the fixed column, a limiting groove is formed in the upper end face of the insertion column, a cylinder head body is detachably connected to the upper end face of the cylinder rod, a contact rib is fixedly connected to the bottom surface of the cylinder head body, a connecting piece is fixedly connected to the upper end face of the cylinder head body, the cylinder rod is fixedly connected with the cylinder head body through a fixed sleeve, a threaded groove matched with the fixed sleeve is formed in the outer wall of the fixed column, the fixed sleeve is in threaded connection with the fixed column, a connecting hole matched with the cylinder head body is formed in the upper end face of the fixed sleeve, the cylinder head body is located inside the connecting hole, a fixed hole is formed in one side of, the cylinder head body is fixedly connected with the oil cylinder rod through screws, the bottom surface of the cylinder head body is fixedly connected with an inserting rib, the upper end surface of the inserting column is fixedly connected with a limiting groove, and the inserting rib is located in the limiting groove.

As a further aspect of the present invention: the outer wall of the fixing sleeve is provided with knurling patterns.

As a further aspect of the present invention: a mounting plane is formed in one side of the cylinder head body, and the mounting hole is formed in the middle of the mounting plane.

As a further aspect of the present invention: the limiting groove is fixedly connected with the inserting rib through a screw.

As a further aspect of the present invention: the upper end surface of the contact rib is in contact with the bottom surface of the inner wall of the cylinder head body.

As a further aspect of the present invention: the outer diameter of the contact rib is larger than the outer diameter of the cylinder head body, and the outer diameter of the contact rib is larger than the inner diameter of the cylinder head body.

As a further aspect of the present invention: the outer diameter of the cylinder head body is matched with the inner diameter of the connecting hole.

Compared with the prior art, the beneficial effects of the utility model are that:

oil cylinder pole and fixed column, grafting post integrated into one piece, cylinder head body cover is established at the grafting post up end, the grafting muscle is located the spacing inslot, because the spacing of grafting muscle and spacing groove, make cylinder head body can only be on the grafting post vertical slip, pass the mounting hole on the mounting plane through the screw, fixed orifices and spacing muscle are fixed, thereby make the unable vertical slip of cylinder head body, fixed cover and fixed column spiro union this moment, thereby make fixed cover press the contact reinforcement at the up end of fixed column, and then play the spacing effect of vertical direction to the cylinder head body, the dual atress of cylinder head body and oil cylinder pole this moment is spacing, can effectually improve the fixed stability between cylinder head body and the oil cylinder pole.

Drawings

FIG. 1 is a schematic structural view of a novel hydraulic cylinder head which is easy to replace;

FIG. 2 is a schematic view of a new hydraulic cylinder head installation that is easy to replace;

FIG. 3 is a schematic sectional front view of a new hydraulic cylinder head which is easy to replace after being installed;

fig. 4 is a schematic bottom view of a new hydraulic cylinder head body with easy replacement.

In the figure: 1. a cylinder rod; 11. fixing a column; 111. a thread groove; 12. inserting the column; 121. a fixing hole; 122. a limiting groove; 2. a cylinder head body; 21. a mounting plane; 211. mounting holes; 22. a contact rib; 23. a connecting member; 24. inserting ribs; 3. fixing a sleeve; 31. connecting holes; 32. and (6) knurling.

Detailed Description

Referring to fig. 1-4, in the embodiment of the present invention, a novel hydraulic cylinder head easy to replace comprises a cylinder rod 1, a fixed column 11 is fixedly connected to the upper end surface of the cylinder rod 1, an inserting column 12 is fixedly connected to the middle position of the upper end surface of the fixed column 11, a limiting groove 122 is formed on the upper end surface of the inserting column 12, a cylinder head body 2 is detachably connected to the upper end surface of the cylinder rod 1, a contact rib 22 is fixedly connected to the bottom surface of the cylinder head body 2, a connecting member 23 is fixedly connected to the upper end surface of the cylinder head body 2, the cylinder rod 1 is fixedly connected to the cylinder head body 2 through a fixing sleeve 3, a thread groove 111 matched with the fixing sleeve 3 is formed on the outer wall of the fixed column 11, the fixing sleeve 3 is screwed to the fixed column 11, a connecting hole 31 matched with the cylinder head body 2 is formed on the upper end surface of the fixing sleeve 3, the cylinder head body 2 is located inside the connecting hole, the cylinder head body 2 is fixedly connected with the oil cylinder rod 1 through screws, the bottom surface of the cylinder head body 2 is fixedly connected with an inserting rib 24, the upper end surface of the inserting column 12 is fixedly connected with a limiting groove 122, the inserting rib 24 is positioned in the limiting groove 122, one side of the cylinder head body 2 is provided with a mounting plane 21, a mounting hole 211 is formed in the middle position of the mounting plane 21, the limiting groove 122 is fixedly connected with the inserting rib 24 through screws, and the upper end surface of a contact rib 22 is in contact with the bottom surface of the inner wall of the cylinder head body 2; the oil cylinder rod 1, the fixing column 11 and the inserting column 12 are integrally formed, the cylinder head body 2 is sleeved on the upper end face of the inserting column 12, the inserting rib 24 is positioned in the limiting groove 122, the section shape of the inserting rib 24 is cross-shaped, the cylinder head body 2 can only vertically slide on the inserting column 12 due to the limiting of the inserting rib 24 and the limiting groove 122, the cylinder head body 2 can only vertically slide through the mounting hole 211 on the mounting plane 21, the fixing hole 121 and the inserting rib 24 for fixing by screws, so that the cylinder head body 2 can not vertically slide, the fixing sleeve 3 is inserted on the cylinder head body 2 at the moment, the connecting hole 31 is matched with the cylinder head body 2 to expose the cylinder head body 2, the connecting piece 23 on the upper end face of the cylinder head body 2 can be matched and connected with a working part for use, the fixing sleeve 3 is screwed with the fixing column 11 at the moment, so that the fixing sleeve 3 presses the contact rib 22 on the upper end face of the fixing column 11, at the moment, the double stress limiting of the cylinder head body 2 and the oil cylinder rod 1 can effectively improve the stability of the fixation between the cylinder head body 2 and the oil cylinder rod 1.

In FIGS. 1-2: the outer wall of the fixing sleeve 3 is provided with the knurling pattern 32, and the friction force of the fixing sleeve 3 is increased when the fixing sleeve 3 rotates through the knurling pattern 32, so that the holding stability of the fixing sleeve 3 is increased.

In fig. 3: the external diameter of contact muscle 22 is greater than the external diameter of cylinder head body 2, and the external diameter of contact muscle 22 is greater than the internal diameter of cylinder head body 2, and the external diameter of cylinder head body 2 and the internal diameter looks adaptation of connecting hole 31 because contact muscle 22 need cooperate spacingly with fixed cover 3 inner wall, therefore contact muscle 22 presses the bottom surface at fixed cover 3 with fixed cover 3 cooperation. And the cylinder head body 2 needs to be exposed outside the fixing sleeve 3, and the outer diameter of the cylinder head body 2 is matched with the inner diameter of the connecting hole 31, so that the assembly gap can be reduced.

The utility model discloses a theory of operation is: the oil cylinder rod 1, the fixing column 11 and the inserting column 12 are integrally formed, the cylinder head body 2 is sleeved on the upper end surface of the inserting column 12, the inserting rib 24 is positioned in the limiting groove 122, due to the limit of the insertion rib 24 and the limit groove 122, the cylinder head body 2 can only vertically slide on the insertion column 12, the screws are fixed through the mounting holes 211 and the fixing holes 121 on the mounting plane 21 and the inserting ribs 24, so that the cylinder head body 2 can not vertically slide, the fixing sleeve 3 is inserted on the cylinder head body 2 at the moment, the connecting hole 31 is matched with the cylinder head body 2 to expose the cylinder head body 2, the fixing sleeve 3 is screwed with the fixing column 11 at the moment, the friction force of the fixing sleeve 3 is increased when the fixing sleeve 3 rotates through the knurling 32, so that the holding of the fixing sleeve 3 is more stable, since the contact rib 22 is required to be matched and limited with the inner wall of the fixing sleeve 3, the contact rib 22 is matched with the fixing sleeve 3 and pressed on the bottom surface of the fixing sleeve 3. And the cylinder head body 2 needs to be exposed outside the fixed sleeve 3, the outer diameter of the cylinder head body 2 and the inner diameter of the connecting hole 31 are matched to reduce an assembly gap, so that the cylinder head body 2 is limited in the vertical direction, the double stress of the cylinder head body 2 and the oil cylinder rod 1 is limited at the moment, and the stability of fixation between the cylinder head body 2 and the oil cylinder rod 1 can be effectively improved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The novel hydraulic cylinder head easy to replace comprises a cylinder rod (1) and is characterized in that a fixing column (11) is fixedly connected to the upper end face of the cylinder rod (1), an inserting column (12) is fixedly connected to the middle position of the upper end face of the fixing column (11), a limiting groove (122) is formed in the upper end face of the inserting column (12), a cylinder head body (2) is detachably connected to the upper end face of the cylinder rod (1), a contact rib (22) is fixedly connected to the bottom face of the cylinder head body (2), a connecting piece (23) is fixedly connected to the upper end face of the cylinder head body (2), the cylinder rod (1) and the cylinder head body (2) are fixedly connected through a fixing sleeve (3), a threaded groove (111) matched with the fixing sleeve (3) is formed in the outer wall of the fixing column (11), the fixing sleeve (3) is in threaded connection with the fixing column (11), fixed cover (3) up end seted up with cylinder head body (2) matched with connecting hole (31), cylinder head body (2) are located inside connecting hole (31), fixed orifices (121) have been seted up to spliced pole (12) one side, mounting hole (211) have been seted up to cylinder head body (2) one side, cylinder head body (2) with through screw fixed connection between hydro-cylinder pole (1), cylinder head body (2) bottom surface fixedly connected with grafting muscle (24), spliced pole (12) up end fixedly connected with spacing groove (122), grafting muscle (24) are located inside spacing groove (122).

2. A new hydraulic cylinder head easy to replace according to claim 1, characterized by the fact that the external wall of the said fixing sleeve (3) has knurl (32).

3. The novel hydraulic cylinder head easy to replace according to claim 1, characterized in that a mounting plane (21) is opened on one side of the cylinder head body (2), and the mounting hole (211) is opened in the middle of the mounting plane (21).

4. The novel hydraulic cylinder head easy to replace according to claim 1, characterized in that the limiting groove (122) is fixedly connected with the insertion rib (24) through a screw.

5. A new hydraulic cylinder head easy to replace according to claim 1, characterized in that the upper end surface of the contact rib (22) and the bottom surface of the inner wall of the cylinder head body (2) contact each other.

6. A new hydraulic cylinder head easy to replace according to claim 1, characterized in that the outer diameter of the contact rib (22) is larger than the outer diameter of the cylinder head body (2), and the outer diameter of the contact rib (22) is larger than the inner diameter of the cylinder head body (2).

7. A new hydraulic cylinder head easy to replace according to claim 1, characterized by that, the outer diameter of the cylinder head body (2) is adapted to the inner diameter of the connecting hole (31).