CN214788340U

CN214788340U - Oil cylinder convenient to install and used for engineering machinery

Info

Publication number: CN214788340U
Application number: CN202120576589.5U
Authority: CN
Inventors: 周家汉
Original assignee: Hubei Yuanding Mechanical Equipment Manufacturing Co ltd
Current assignee: Hubei Yuanding Mechanical Equipment Manufacturing Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-19
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses an engineering machinery oil cylinder convenient to install, including cylinder body, piston rod and seal assembly, the cylinder body upper surface is provided with two hydraulic fluid ports, the inside movable mounting of cylinder body has the piston rod, seal assembly installs on the cylinder body upper surface and with the detachable connection of hydraulic fluid port, seal assembly includes connecting plate, movable rod, spiro and sealing plug, the movable rod is perpendicular and rotate and install on the cylinder body upper surface, the connecting plate level is located the hydraulic fluid port top, the ring is installed to the embedding in the connecting plate, spiro screw thread closure cover is established on the movable rod, the embedding is installed the bearing ring between spiro and the ring; the utility model discloses a be provided with seal assembly, both can seal the protection to the hydraulic fluid port, make things convenient for the dismantlement of follow-up sealing plug to take off again, avoid appearing the sealing plug that takes off simultaneously and drop and lose or be infected with dirty condition, reduce the probability that the sealing plug pollutes the hydraulic fluid port, the convenient rotation of connecting plate does not influence the hydraulic fluid port and uses simultaneously.

Description

Oil cylinder convenient to install and used for engineering machinery

Technical Field

The utility model belongs to the technical field of the hydro-cylinder, concretely relates to hydro-cylinder for engineering machine tool easy to assemble.

Background

In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery. And the cylinder is one of devices used for mechanical equipment.

Two oil ports on some existing oil cylinders are sealed by plugs, the plugs are easily lost or placed to be stained, and the oil ports are possibly polluted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engineering machine tool oil cylinder easy to assemble to two hydraulic fluid ports utilize the stopper to seal on solving some oil cylinders that propose in the above-mentioned background art, and the stopper takes off to appear losing easily or place and be infected with the dirty condition, probably causes the problem of pollution to the hydraulic fluid port.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an hydro-cylinder for engineering machine tool easy to assemble, includes cylinder body, piston rod and seal assembly, the cylinder body upper surface is provided with two hydraulic fluid ports, the inside movable mounting of cylinder body has the piston rod, seal assembly installs at the cylinder body upper surface and is connected with the hydraulic fluid port is detachable, seal assembly includes connecting plate, movable rod, spiro and sealing plug, the movable rod is perpendicular and rotate to be installed at the cylinder body upper surface, the connecting plate level is located hydraulic fluid port top, the ring is installed to the embedded ring of installing in the connecting plate, spiro thread closes the cover soon and establishes on the movable rod, the bearing ring is installed in the embedding between spiro and the ring, the sealing plug is fixed at the connecting plate lower surface, just the extrusion of sealing plug lower extreme is located the hydraulic fluid port.

Preferably, the movable rod is connected with the cylinder body through a set bearing, a hand wheel is fixed at the end part of the upper end of the movable rod, and the sealing plug is a rubber plug.

Preferably, the detachable installation component of installing in cylinder body bottom, the installation component includes arc, base, two-way screw rod and nut plate, the base level is located the cylinder body below, the base upper surface is fixed with the stabilizing plate, two the arc is located the cylinder body front and back surface relatively.

Preferably, a nut plate is fixed on the lower surface of the arc plate, the bidirectional screw is vertically and rotatably installed on the stabilizing plate, two ends of the bidirectional screw are respectively screwed to penetrate through the nut plate and expose outside, and a bearing is embedded between the bidirectional screw and the stabilizing plate.

Preferably, a hand wheel is fixed at the end part of the bidirectional screw rod, and a rubber gasket in contact with the surface of the cylinder body is fixed on the inner surface of the arc plate.

Preferably, two limiting assemblies are arranged between the nut plate and the base, each limiting assembly comprises a sliding rail and a sliding sleeve, the sliding rails are arranged along the width direction of the base, and the sliding sleeves are fixed on the lower surface of the nut plate and movably sleeved on the sliding rails.

Preferably, the sliding sleeve is internally provided with a ball, and the ball is in rolling contact with the surface of the sliding rail.

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

(1) the utility model discloses a be provided with seal assembly, both can seal the protection to the hydraulic fluid port, make things convenient for the dismantlement of follow-up sealing plug to take off again, avoid appearing the sealing plug that takes off simultaneously and drop and lose or be infected with dirty condition, reduce the probability that the sealing plug pollutes the hydraulic fluid port, the convenient rotation of connecting plate does not influence the hydraulic fluid port and uses simultaneously.

(2) The utility model discloses a be provided with the installation component, both can realize the fastening installation of hydro-cylinder on mechanical equipment, make things convenient for the dismantlement of follow-up hydro-cylinder to take off again, relative screw or embedding installation reduce the trouble that the hydro-cylinder was dismantled.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the sealing assembly of the present invention;

FIG. 3 is a schematic structural view of the mounting assembly of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3 according to the present invention;

in the figure: 1. a cylinder body; 2. a piston rod; 3. an oil port; 4. a seal assembly; 41. a connecting plate; 42. a movable rod; 43. a spiro ring; 44. a sealing plug; 5. mounting the component; 51. an arc-shaped plate; 52. a base; 53. a bidirectional screw; 54. a nut plate; 6. a circular ring; 7. a stabilizing plate; 8. a slide rail; 9. a sliding sleeve; 10. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an oil cylinder for engineering machinery convenient to mount comprises a cylinder body 1, a piston rod 2 and a sealing assembly 4, wherein two oil ports 3 are formed in the upper surface of the cylinder body 1, the piston rod 2 is movably mounted inside the cylinder body 1, the sealing assembly 4 is mounted on the upper surface of the cylinder body 1 and detachably connected with the oil ports 3, the sealing assembly 4 comprises a connecting plate 41, a movable rod 42, a spiral ring 43 and a sealing plug 44, the movable rod 42 is vertically and rotatably mounted on the upper surface of the cylinder body 1, the connecting plate 41 is horizontally positioned above the oil ports 3, a circular ring 6 is embedded in the connecting plate 41, the spiral ring 43 is screwed on the movable rod 42, a bearing ring is embedded between the spiral ring 43 and the circular ring 6, the sealing plug 44 is fixed on the lower surface of the connecting plate 41, the lower end of the sealing plug 44 is extruded and positioned in the oil ports 3, the sealing assembly 4 is arranged, not only can seal and protect the oil ports 3, but also facilitates the dismounting and the taking down of the subsequent sealing plug 44, meanwhile, the situation that the taken-down sealing plug 44 falls down and is lost or is contaminated is avoided, the probability that the sealing plug 44 pollutes the oil port 3 is reduced, and meanwhile, the connecting plate 41 is convenient to rotate and does not influence the use of the oil port 3.

In this embodiment, preferably, the movable rod 42 is connected with the cylinder body 1 through a set bearing, a hand wheel is fixed at the upper end of the movable rod 42, and the sealing plug 44 is a rubber plug, so that the subsequent sealing of the oil port 3 is facilitated or the two are separated.

In this embodiment, preferably, the bottom of the cylinder body 1 is detachably provided with the mounting assembly 5, the mounting assembly 5 includes arc-shaped plates 51, a base 52, two-way screws 53 and nut plates 54, the base 52 is horizontally located below the cylinder body 1, the upper surface of the base 52 is fixed with the stabilizing plate 7, the two arc-shaped plates 51 are relatively located on the front and rear surfaces of the cylinder body 1, the nut plates 54 are fixed on the lower surfaces of the arc-shaped plates 51, the two-way screws 53 are vertically and rotatably mounted on the stabilizing plate 7, two ends of the two-way screws 53 are respectively screwed to penetrate through the nut plates 54 and exposed outside, bearings are embedded between the two-way screws 53 and the stabilizing plate 7, the end portions of the two-way screws 53 are fixed with hand wheels, rubber gaskets in contact with the surface of the cylinder body 1 are fixed on the inner surface of the arc-shaped plates 51, by providing the mounting assembly 5, not only can be fastened and mounted on mechanical equipment, but also facilitate the detachment and removal of subsequent oil cylinders, the trouble of disassembling the oil cylinder is reduced by relative screw or embedded installation.

In this embodiment, preferably, two limiting assemblies are arranged between the nut plate 54 and the base 52, each limiting assembly includes a sliding rail 8 and a sliding sleeve 9, the sliding rail 8 is arranged along the width direction of the base 52, the sliding sleeve 9 is fixed on the lower surface of the nut plate 54 and movably sleeved on the sliding rail 8, a ball 10 is arranged inside the sliding sleeve 9, the ball 10 is in rolling contact with the surface of the sliding rail 8, and the limiting assemblies are arranged, so that the movement of the arc-shaped plate 51 is not influenced, and the rotation of the arc-shaped plate 51 can be avoided.

The utility model discloses a theory of operation and use flow: the utility model discloses when using, when hydraulic fluid port 3 does not use, sealing plug 44 imbeds in hydraulic fluid port 3, when needing to expose hydraulic fluid port 3, hold the hand wheel and drive movable rod 42 original place special supply, and spiral ring 43 rotates and upwards moves along with it, drive connecting plate 41 and upwards move, sealing plug 44 moves along with it and breaks away from with hydraulic fluid port 3, it can to rotate connecting plate 41 again with hydraulic fluid port 3 expose hydraulic fluid port 3, through being provided with seal assembly 4, both can seal the hydraulic fluid port 3 and protect, make things convenient for the dismantlement of follow-up sealing plug 44 to take off, avoid appearing the sealing plug 44 that takes off simultaneously and drop and lose or be infected with dirty and dirty condition, reduce the probability that hydraulic fluid port 3 is polluted to 44, connecting plate 41 conveniently rotates simultaneously, do not influence hydraulic fluid port 3 and use; meanwhile, the hand wheel can be held to drive the bidirectional screw 53 to rotate, the two arc-shaped plates 51 are driven to move relatively, the cylinder body 1 is clamped and fixed by the arc-shaped plates 51, and the cylinder body 1 is simple and convenient to disassemble and take down.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engineering machine tool oil cylinder easy to assemble, includes cylinder body (1), piston rod (2) and seal assembly (4), cylinder body (1) upper surface is provided with two hydraulic fluid ports (3), the inside movable mounting of cylinder body (1) has piston rod (2), its characterized in that: seal assembly (4) are installed at cylinder body (1) upper surface and are connected with hydraulic fluid port (3) are detachable, seal assembly (4) are including connecting plate (41), movable rod (42), spiral ring (43) and sealing plug (44), movable rod (42) are perpendicular and rotate to be installed at cylinder body (1) upper surface, connecting plate (41) level is located hydraulic fluid port (3) top, ring (6) are installed to embedded the connecting plate (41), spiral ring (43) screw thread is closed the cover and is established on movable rod (42), the bearing ring is installed in the embedding between spiral ring (43) and ring (6), sealing plug (44) are fixed at connecting plate (41) lower surface, just sealing plug (44) lower extreme extrusion is located hydraulic fluid port (3).

2. The oil cylinder convenient to mount for the engineering machinery as claimed in claim 1, wherein: the movable rod (42) is connected with the cylinder body (1) through a set bearing, a hand wheel is fixed at the upper end of the movable rod (42), and the sealing plug (44) is a rubber plug.

3. The oil cylinder convenient to mount for the engineering machinery as claimed in claim 1, wherein: cylinder body (1) bottom is detachable installs installation component (5), installation component (5) include arc (51), base (52), two-way screw rod (53) and nut plate (54), base (52) level is located cylinder body (1) below, base (52) last fixed surface has steadying plate (7), two arc (51) relative position is in cylinder body (1) front and back surface.

4. The oil cylinder convenient to mount for the engineering machinery as claimed in claim 3, wherein: the lower surface of the arc-shaped plate (51) is fixedly provided with a nut plate (54), the bidirectional screw (53) is vertically and rotatably arranged on the stabilizing plate (7), two ends of the bidirectional screw (53) are respectively screwed to penetrate through the nut plate (54) and expose outside, and a bearing is embedded between the bidirectional screw (53) and the stabilizing plate (7).

5. The oil cylinder convenient to mount for the engineering machinery as claimed in claim 4, wherein: a hand wheel is fixed at the end part of the bidirectional screw (53), and a rubber gasket in contact with the surface of the cylinder body (1) is fixed on the inner surface of the arc-shaped plate (51).

6. The oil cylinder convenient to mount for the engineering machinery as claimed in claim 4, wherein: two limiting assemblies are arranged between the nut plate (54) and the base (52), each limiting assembly comprises a sliding rail (8) and a sliding sleeve (9), the sliding rails (8) are arranged along the width direction of the base (52), and the sliding sleeves (9) are fixed on the lower surface of the nut plate (54) and movably sleeved on the sliding rails (8).

7. The oil cylinder convenient to mount for the engineering machinery as claimed in claim 6, wherein: the sliding sleeve (9) is internally provided with a ball (10), and the ball (10) is in surface rolling contact with the sliding rail (8).