CN217271125U

CN217271125U - Anti-leakage hydraulic oil cylinder

Info

Publication number: CN217271125U
Application number: CN202220318011.4U
Authority: CN
Inventors: 丁磊; 吴华满
Original assignee: Wuxi Hengda Hydraulic Equipment Co ltd
Current assignee: Wuxi Hengda Hydraulic Equipment Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-08-23
Anticipated expiration: 2032-02-16

Abstract

The utility model relates to a hydraulic cylinder technical field indicates a prevent leaking hydraulic cylinder especially, establish the piece including cylinder body and cover, the bottom cover of cylinder body is equipped with first fixed block, the inside of cylinder body is provided with the piston, the carriage release lever is installed to the top of piston, the installation piece is installed on the top of carriage release lever, the outer wall cover of cylinder body is equipped with the second fixed block, the leak protection piece is installed at the top of cylinder body, the inside of leak protection piece is provided with the closed ring, the inside of leak protection piece is provided with the oil storage piece. This prevent leaking hydraulic cylinder, the carriage release lever passes through the piston when the inside of cylinder body removes, and the cylinder oil of carriage release lever outer wall passes through the inside of leak protection piece, and setting through the airtight ring blocks the cylinder oil in moving, prevents that carriage release lever outer wall cylinder oil is too much to cause the leakage, and unnecessary cylinder oil gets into the inside of oil storage piece simultaneously, has increased the airtight effect of device through setting up of airtight ring, collects unnecessary cylinder oil through the oil storage piece, prevents that unnecessary cylinder oil from leaking.

Description

Anti-leakage hydraulic oil cylinder

Technical Field

The utility model relates to a hydraulic cylinder technical field indicates a prevent leaking hydraulic cylinder especially.

Background

The hydraulic oil cylinder is an actuating element in a hydraulic transmission system, is an energy conversion device for converting hydraulic energy into mechanical energy and is used for driving a working mechanism to do linear reciprocating motion or reciprocating swing. Hydraulic rams typically include a cylinder and a piston rod assembly that includes a piston and a piston rod.

Current hydraulic cylinder can cause the inside hydraulic oil of device to take place to leak because airtight effect is not good in the use to hydraulic cylinder's normal use exposes the outer wall of hydraulic stem externally in hydraulic cylinder use and can depend on a large amount of dusts, and the dust gets into the inside back of hydraulic cylinder, owing to difficult clearance, can pile up and block up inside the hydraulic cylinder.

Therefore, a leakage-proof hydraulic oil cylinder is needed.

SUMMERY OF THE UTILITY MODEL

The inside hydraulic oil emergence of device is leaked for solving airtight effect not good arouses to hydraulic cylinder's normal use and dust get into the inside back of hydraulic cylinder, because difficult clearance can pile up the inside problem of jam hydraulic cylinder, consequently, the utility model aims to provide a prevent leaking hydraulic cylinder.

The utility model provides a pair of prevent leaking hydraulic cylinder, establish the piece including cylinder body and cover, the bottom cover of cylinder body is equipped with first fixed block, the inside of cylinder body is provided with the piston, the carriage release lever is installed to the top of piston, the installation piece is installed on the top of carriage release lever, the outer wall cover of cylinder body is equipped with the second fixed block, the leak protection piece is installed at the top of cylinder body, the inside of leak protection piece is provided with the airtight ring, the inside of leak protection piece is provided with the oil storage piece.

The top of leak protection piece is provided with the clearance piece, the top of clearance piece is provided with dismantles the piece, the outer wall both sides of clearance piece all are provided with the lug, the inside of lug is provided with the extrusion spring, the one end of extrusion spring is connected with the stopper, one side of stopper is provided with presses the briquetting, the inside of establishing the piece is provided with the clearance ring to the cover, the outer wall both sides that the piece was established to the cover all are provided with the extension piece, the inside that extends the piece is provided with reset spring, reset spring's one end is connected with the fixture block.

Preferably, the inside of cylinder body be provided with the outer wall assorted shifting chute of piston, the outer wall of first fixed block offer with the internal connection's of shifting chute well through-hole, the outer wall of second fixed block offer with the internal connection's of shifting chute well through-hole.

Preferably, the outer wall assorted leak protection groove with the airtight ring is seted up to the inside of leak protection piece, the airtight ring is provided with two sets ofly, the oil storage piece sets up between two sets of airtight rings, the outer wall assorted spout with the carriage release lever is seted up to the inside of airtight ring and oil storage piece, the oil storage tank has been seted up to the inside of oil storage piece.

Preferably, the inside of clearance piece is seted up and is established the outer wall assorted clearance groove of piece with the cover, the outside of the outer wall of piece is established with the outer wall assorted mounting groove of clearance ring to the cover, the outer wall of carriage release lever is located respectively to the piece and the clearance ring is established to the cover.

Preferably, the top outer wall of clearance piece is provided with the screw thread, dismantle the inside of piece offer with the thread groove of clearance piece top outer wall, the inside of extension piece offer with the outer wall assorted spring groove of fixture block.

Preferably, one side of the clamping block is connected with the inner wall of the spring groove through a return spring, a hollow groove matched with the outer wall of the clamping block is formed in the cleaning block, and a return groove matched with the outer wall of the pressing block is formed in the protruding block.

Preferably, one end of the pressing block extends to the outer wall of one side of the protruding block, the limiting blocks are provided with two groups, the two groups of limiting blocks are respectively installed on two sides of the outer wall of the pressing block, and one side of the limiting blocks is connected with the inner wall of the reset groove through the extrusion spring.

The working principle is as follows: when the moving rod moves in the cylinder body through the piston, the cylinder oil on the outer wall of the moving rod passes through the inside of the leakage-proof block and is blocked by the arrangement of the closed ring, so that leakage caused by too much cylinder oil on the outer wall of the moving rod is prevented, meanwhile, redundant cylinder oil enters the inside of the oil storage block and is blocked by the cleaning ring when the moving rod reciprocates, so that the cylinder oil is blocked to the inside of the cleaning block, when dust in the inside of the cleaning block is more, the disassembling block is rotated to be far away from the top end of the cleaning block, the pressing block is pressed to extrude the spring through the limiting block, the clamping block is extruded when the pressing block moves, so that the resetting spring is extruded by the clamping block, the clamping block is far away from the inside of the hollow groove formed in the inside of the cleaning block, so that the sleeving block is moved to the outer wall of the cleaning block, meanwhile, the sleeving block and the inside of the cleaning block are cleaned, and the cleaned sleeving block is placed in the inside of the cleaning block, simultaneously, the reset through the reset spring drives the fixture block to enter the inside of the hollow groove, so that the block is fixedly sleeved, the top of the cleaning block is sleeved with the disassembling block and rotates, and the disassembling block is fixed.

The utility model discloses a technological means can obtain the technological effect does:

(1) the utility model discloses a set up leak protection piece, closed ring and oil storage piece, the carriage release lever passes through the piston when the inside of cylinder body removes, the cylinder oil of carriage release lever outer wall passes through the inside of leak protection piece, setting through closed ring blocks the cylinder oil in the removal, prevent that carriage release lever outer wall cylinder oil is too much to cause the leakage, unnecessary cylinder oil gets into the inside of oil storage piece simultaneously, the setting through closed ring has increased the airtight effect of device, collect unnecessary cylinder oil through the oil storage piece, prevent that unnecessary cylinder oil from leaking.

(2) The utility model is provided with a cleaning block, a disassembling block, a convex block, an extrusion spring, a limiting block, a pressing block, a sleeve setting block, a cleaning ring, an extension block, a reset spring and a clamping block, which are blocked by the cleaning ring when the movable rod reciprocates, thereby blocking the inner part of the cleaning block, when the dust in the cleaning block is more, the disassembling block is rotated to keep away from the top end of the cleaning block, the pressing block is pressed to extrude the spring through the limiting block, the clamping block is extruded when the pressing block moves, thereby the clamping block extrudes the reset spring, the clamping block is kept away from the inner part of a hollow groove arranged in the cleaning block, thereby the sleeve setting block is moved to the outer wall of the cleaning block, simultaneously the inner parts of the sleeve setting block and the cleaning block are cleaned, the sleeve setting block after being cleaned is placed in the cleaning block, simultaneously the clamping block is driven to enter the inner part of the hollow groove through the reset of the reset spring, thereby fixing the sleeve setting block, the top of clearance piece is established to the piece cover of will dismantling and rotatory to fixed dismantlement piece through the clearance that blocks of clearance ring, prevents that the dust that the carriage release lever outer wall depends on from getting into the inside of cylinder body, establishes dismantling of piece through the cover and sets up convenient clearance to the dust, prevents that the dust from piling up more and causing the jam.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an internal view of the present invention;

FIG. 3 is a partial view of the cleaning block of the present invention;

FIG. 4 is a partial perspective view of the sheath block of the present invention;

fig. 5 is a partial perspective view of the leakage prevention block of the present invention.

In the figure: 1. a cylinder body; 2. a first fixed block; 3. a piston; 4. a travel bar; 5. mounting a block; 6. a second fixed block; 7. a leakage-proof block; 8. a closed ring; 9. an oil storage block; 10. cleaning the block; 11. disassembling the block; 12. a bump; 13. a compression spring; 14. a limiting block; 15. a pressing block; 16. sleeving a block; 17. cleaning a ring; 18. an extension block; 19. a return spring; 20. and (7) clamping blocks.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Example 1

The utility model provides a preferred embodiment of preventing leaking hydraulic cylinder is shown in figures 1-5: including cylinder body 1 and cover establishing piece 16, the bottom cover of cylinder body 1 is equipped with first fixed block 2, the inside of cylinder body 1 is provided with piston 3, carriage release lever 4 is installed to piston 3's top, installation piece 5 is installed on carriage release lever 4's top, the outer wall cover of cylinder body 1 is equipped with second fixed block 6, leak protection piece 7 is installed at the top of cylinder body 1, the inside of leak protection piece 7 is provided with closed ring 8, the inside of leak protection piece 7 is provided with oil storage block 9, the airtight effect of device has been increased through setting up of closed ring 8, collect unnecessary cylinder oil through oil storage block 9, prevent unnecessary cylinder oil leakage.

The top of leak protection piece 7 is provided with clearance piece 10, the top of clearance piece 10 is provided with dismantlement piece 11, the outer wall both sides of clearance piece 10 all are provided with lug 12, the inside of lug 12 is provided with extrusion spring 13, the one end of extrusion spring 13 is connected with stopper 14, one side of stopper 14 is provided with presses briquetting 15, the inside of establishing piece 16 is provided with clearance ring 17 for the cover, the outer wall both sides that the piece 16 was established to the cover all are provided with extension piece 18, the inside that extends piece 18 is provided with reset spring 19, reset spring 19's one end is connected with fixture block 20, clearance that blocks through clearance ring 17, prevent that the dust that the outer wall of carriage release lever 4 depends on from getting into the inside of cylinder body 1, the clearance to the dust has been convenient through dismantling that the piece 16 was established to the cover, prevent that the dust from piling up more and causing the jam.

In this embodiment, the inside of cylinder body 1 is provided with the outer wall assorted shifting chute with piston 3, the outer wall of first fixed block 2 offer with the internal connection's of shifting chute well through-hole, the outer wall of second fixed block 6 offer with the internal connection's of shifting chute well through-hole, drive the removal of carriage release lever 4 through piston 3.

In the embodiment, the inner part of the leakage-proof block 7 is provided with leakage-proof grooves matched with the outer wall of the closed ring 8, the closed rings 8 are provided with two groups, the oil storage block 9 is arranged between the two groups of closed rings 8, the inner parts of the closed rings 8 and the oil storage block 9 are provided with sliding grooves matched with the outer wall of the moving rod 4, the inner part of the oil storage block 9 is provided with an oil storage groove, by arranging the leakage-proof block 7, the closed ring 8 and the oil storage block 9, when the movable rod 4 moves in the cylinder body 1 through the piston 3, the cylinder oil on the outer wall of the movable rod 4 passes through the inner part of the leakage-proof block 7, the arrangement of the closed ring 8 blocks the moving cylinder oil, prevents the leakage caused by the excessive cylinder oil on the outer wall of the moving rod 4, meanwhile, redundant cylinder oil enters the oil storage block 9, the sealing effect of the device is improved through the arrangement of the sealing ring 8, and the redundant cylinder oil is collected through the oil storage block 9 to prevent the redundant cylinder oil from leaking.

In this embodiment, the cleaning block 10 is provided with a cleaning groove matching with the outer wall of the sheathing block 16, the sheathing block 16 and the cleaning ring 17 are respectively sheathed on the outer wall of the moving rod 4, the cleaning block 10, the detaching block 11, the bump 12, the extrusion spring 13, the limiting block 14, the pressing block 15, the sheathing block 16, the cleaning ring 17, the extending block 18, the return spring 19 and the fixture block 20 are arranged, the cleaning ring 17 blocks the reciprocating motion of the moving rod 4 to block the reciprocating motion of the moving rod 4 to the inside of the cleaning block 10, when the dust in the cleaning block 10 is more, the detaching block 11 is rotated to make the detaching block 11 far away from the top end of the cleaning block 10, the pressing block 15 is pressed to extrude the extrusion spring 13 through the limiting block 14, the pressing block 15 extrudes the fixture block 20 when the pressing block 15 moves, so that the fixture block 20 extrudes the return spring 19, make fixture block 20 keep away from the inside of the inside cavity groove of seting up of clearance piece 10, thereby establish piece 16 with the cover and remove to the outer wall of clearance piece 10, the inside of piece 16 and clearance piece 10 is established to the clearance cover simultaneously, establish piece 16 with the cover after clearing up and place in the inside of clearance piece 10, drive fixture block 20 through reset spring 19's the inside that gets into the cavity groove simultaneously, thereby piece 16 is established to fixed cover, will dismantle 11 covers of piece and establish the top of clearance piece 10 and rotatory, thereby fixed dismantlement piece 11, through the clearance that blocks up of clearance ring 17, prevent that the dust that the 4 outer walls of carriage release lever depend on from getting into the inside of cylinder body 1, the dismantlement through the cover establish piece 16 sets up convenient clearance to the dust, prevent that the dust from piling up more and causing the jam.

Further, the top outer wall of clearance piece 10 is provided with the screw thread, dismantle the inside of piece 11 offer with the thread groove of clearance piece 10 top outer wall, extend the inside of piece 18 offer with fixture block 20's outer wall assorted spring groove, through clearance piece 10 with dismantle the setting of piece 11 convenient clear up clearance piece 10 inside.

Furthermore, one side of the fixture block 20 is connected with the inner wall of the spring groove through the return spring 19, the hollow groove matched with the outer wall of the fixture block 20 is formed in the cleaning block 10, the return groove matched with the outer wall of the pressing block 15 is formed in the protruding block 12, and the fixture block 20 is convenient to install and detach the sleeving block 16.

In addition, according to one end of pressing block 15 and extending to one side outer wall of lug 12, stopper 14 is provided with two sets ofly, and two sets of stoppers 14 install respectively in the outer wall both sides of pressing block 15, and one side of stopper 14 is through the inner wall connection of extrusion spring 13 with the groove that resets, establishes dismantling of piece 16 through the cover and has set up convenient clearance to the dust, prevents that the dust from piling up more and causing the jam.

When the utility model is operated and used, as shown in fig. 1 to 5, when the moving rod 4 moves in the cylinder body 1 through the piston 3, the cylinder oil on the outer wall of the moving rod 4 passes through the inside of the anti-leakage block 7, the moving cylinder oil is blocked through the setting of the closed ring 8, so as to prevent the leakage caused by the excessive cylinder oil on the outer wall of the moving rod 4, and the redundant cylinder oil enters the inside of the oil storage block 9, and is blocked by the cleaning ring 17 when the moving rod 4 reciprocates, so as to block the inside of the cleaning block 10, when the dust in the inside of the cleaning block 10 is more, the disassembling block 11 is rotated to make the disassembling block 11 far away from the top end of the cleaning block 10, the pressing block 15 is pressed by the limiting block 14 to extrude the spring 13, the clamping block 20 when the pressing block 15 moves, so as to make the clamping block 20 extrude the return spring 19, so that the clamping block 20 is far away from the inside of the hollow groove arranged in the inside of the cleaning block 10, so as to move the sheathing block 16 to the outer wall of the cleaning block 10, piece 16 and clearance piece 10's inside is established to the clearance cover simultaneously, and the cover after will clearing up is established piece 16 and is placed in the inside of clearance piece 10, drives the inside that fixture block 20 got into the hollow groove through reset spring 19 simultaneously to fixed cover is established piece 16, will dismantle the top that piece 11 covers established clearance piece 10 and rotate, thereby fixed dismantlement piece 11.

The above are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent changes and modifications of the invention without departing from the spirit and principles of the invention should be considered within the scope of the invention. Moreover, it should be noted that the present invention is not limited to the above-mentioned overall application, and the technical features described in the specification can be selected to be independently adopted or selected to be combined for use according to actual needs, so that the present invention covers other combinations and specific applications related to the present invention.

Claims

1. The utility model provides a prevent leaking hydraulic cylinder, includes cylinder body (1) and cover and establishes piece (16), its characterized in that: the oil cylinder is characterized in that a first fixing block (2) is sleeved at the bottom of the cylinder body (1), a piston (3) is arranged inside the cylinder body (1), a moving rod (4) is installed above the piston (3), an installation block (5) is installed at the top end of the moving rod (4), a second fixing block (6) is sleeved on the outer wall of the cylinder body (1), a leakage-proof block (7) is installed at the top of the cylinder body (1), a closed ring (8) is arranged inside the leakage-proof block (7), and an oil storage block (9) is arranged inside the leakage-proof block (7);

the top of leak protection piece (7) is provided with clearance piece (10), the top of clearance piece (10) is provided with dismantlement piece (11), the outer wall both sides of clearance piece (10) all are provided with lug (12), the inside of lug (12) is provided with extrusion spring (13), the one end of extrusion spring (13) is connected with stopper (14), one side of stopper (14) is provided with presses briquetting (15), the inside of cover establishing piece (16) is provided with clearance ring (17), the outer wall both sides of cover establishing piece (16) all are provided with and extend piece (18), the inside of extending piece (18) is provided with reset spring (19), the one end of reset spring (19) is connected with fixture block (20).

2. A leak-resistant hydraulic ram as claimed in claim 1 wherein: the inside of cylinder body (1) is provided with the shifting chute with the outer wall assorted of piston (3), the well through-hole with the internal connection of shifting chute is seted up to the outer wall of first fixed block (2), the well through-hole with the internal connection of shifting chute is seted up to the outer wall of second fixed block (6).

3. A leak-resistant hydraulic ram as claimed in claim 1 wherein: the outer wall assorted leak protection groove with airtight ring (8) is seted up to the inside of leak protection piece (7), airtight ring (8) are provided with two sets ofly, oil storage piece (9) set up between two sets of airtight ring (8), the outer wall assorted spout with carriage release lever (4) is seted up to the inside of airtight ring (8) and oil storage piece (9), the oil storage tank has been seted up to the inside of oil storage piece (9).

4. A leak-resistant hydraulic ram as claimed in claim 1 wherein: the inner part of the cleaning block (10) is provided with a cleaning groove matched with the outer wall of the sleeve-arranging block (16), the inner part of the outer wall of the sleeve-arranging block (16) is provided with a mounting groove matched with the outer wall of the cleaning ring (17), and the sleeve-arranging block (16) and the cleaning ring (17) are respectively sleeved on the outer wall of the moving rod (4).

5. A leak-resistant hydraulic ram as claimed in claim 1 wherein: the top end outer wall of the cleaning block (10) is provided with threads, a thread groove formed in the outer wall of the top of the cleaning block (10) is formed in the disassembling block (11), and a spring groove matched with the outer wall of the clamping block (20) is formed in the extending block (18).

6. A leak-resistant hydraulic ram as claimed in claim 1 wherein: one side of the clamping block (20) is connected with the inner wall of the spring groove through a return spring (19), a hollow groove matched with the outer wall of the clamping block (20) is formed in the cleaning block (10), and a return groove matched with the outer wall of the pressing block (15) is formed in the protruding block (12).

7. A leak-resistant hydraulic ram as claimed in claim 1 wherein: the one end according to briquetting (15) extends to one side outer wall of lug (12), stopper (14) are provided with two sets ofly, and just two sets of stopper (14) are installed respectively in the outer wall both sides according to briquetting (15), one side of stopper (14) is through extrusion spring (13) and the interior wall connection in groove that resets.