CN218093697U - Hydraulic cylinder sealing equipment convenient to install - Google Patents

Abstract

The utility model discloses a sealing equipment for pneumatic cylinder convenient to installation, comprising a cylinder body, the front side of cylinder body is fixed with the front bezel, the rear side of cylinder body is fixed with the back plate, the hydraulic fluid port has all been seted up with the upside of back plate to the front bezel, the front side threaded connection has preceding sealing plug, the rear side on the hydraulic fluid port threaded connection has the back sealing plug, all be provided with seal assembly on preceding sealing plug and the back sealing plug, preceding sealing plug upper portion is chock plug one, there is back sealing plug upper portion to be chock plug two, the inside spout of having all seted up in both sides of chock plug one and chock plug two, seal assembly includes solid fixed ring, gu be fixed with the slider on the fixed ring, and with the inside sliding connection of spout, the inside bottom surface fixed mounting of spout has the telescoping cylinder, the inside sliding connection of telescoping cylinder has the connecting rod, the upper end of connecting rod is fixed mutually with the lower surface of slider, and the device has solved the current sealed installation problem of hydraulic fluid port.

Description

Hydraulic cylinder sealing equipment convenient to install

Technical Field

The utility model belongs to the technical field of the pneumatic cylinder is sealed, concretely relates to sealing equipment for pneumatic cylinder convenient to installation.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), and when the hydraulic actuating element is used for realizing reciprocating motion, a speed reducing device can be omitted, and the hydraulic actuating element has no transmission clearance and moves stably, so that the hydraulic actuating element is widely applied to various mechanical hydraulic systems. When the hydraulic cylinder is filled with oil and performs reciprocating movement, the oil is mainly filled through an oil filling port formed in the surface of the hydraulic cylinder and connected with a pipeline of a liquid pump; when the pneumatic cylinder is not in use, and when demolising the connecting tube, if do not seal the hydraulic fluid port on the pneumatic cylinder, outside dust can get into in the jar through the hydraulic fluid port, consequently, the hydraulic fluid port sealing bolt has been designed, if inside has fluid to prestore when, only will lead to the hydraulic fluid port sealed incompletely through the sealing of bolt, liquid will slowly volatilize from the hydraulic fluid port, consequently, in order to further strengthen its leakproofness, consequently, a sealing device for the pneumatic cylinder has been designed, the pneumatic cylinder is the equipment commonly used in production simultaneously, in order to practice thrift live time and universal use, a sealing device for the pneumatic cylinder convenient to installation should be designed, in order to solve the defect among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing equipment for pneumatic cylinder convenient to installation to current to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a sealing equipment for pneumatic cylinder convenient to installation, includes the cylinder body, the front side of cylinder body is fixed with the front bezel, the rear side of cylinder body is fixed with the back plate, the hydraulic fluid port has all been seted up with the upside of back plate to the front bezel, the front side threaded connection has preceding sealing plug, rear side on the hydraulic fluid port threaded connection has the back sealing plug on the hydraulic fluid port, all be provided with seal assembly on preceding sealing plug and the back sealing plug, preceding sealing plug upper portion is chock plug one, back sealing plug upper portion is chock plug two.

The utility model discloses explain further, the spout has all been seted up to the both sides inside of chock plug one and chock plug two, seal assembly includes solid fixed ring, gu be fixed with the slider on the fixed ring, and with the inside sliding connection of spout, the inside bottom surface fixed mounting of spout has the telescoping cylinder, the inside sliding connection of telescoping cylinder has the connecting rod, the upper end of connecting rod is fixed mutually with the lower surface of slider.

The utility model discloses explain further, the slide has all been seted up with the middle part of back sealing plug to preceding sealing plug, the centre of slide is fixed with the round pin, the equal spring coupling in the left and right sides of round pin has sealed piece, two form sealed chamber between the sealed piece, the inside pipe connection with the telescoping cylinder of sealed intracavity portion, and all pack has gas.

The utility model discloses explain further, sealed piece and the inside sliding connection of slide.

The utility model discloses explain further, the cross recess has been seted up to the upper surface inside of chock plug one, the upper surface of chock plug two is fixed with the cross bar, the cross bar cooperatees with the size of cross recess.

The utility model discloses explain further, the downside of chock plug one and chock plug two all is fixed with the gasket, the gasket is flexible material.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses, adopt solid fixed ring, when realizing its moving down fixed, accomplish the sealed fixed of inside seal piece to hydraulic fluid port inner wall department simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the rear sealing plug of the present invention;

fig. 3 is a schematic view of the front sealing plug of the present invention;

fig. 4 is a schematic view of a rear sealing plug in half section;

in the figure: 1. a cylinder body; 2. a back plate; 3. a front plate; 4. a rear sealing plug; 5. a front sealing plug; 6. a plug head I; 7. a cross groove; 8. a chute; 9. a pin; 10. a cross bar; 11. a fixing ring; 12. a second plug head; 13. a slider; 14. a telescopic cylinder; 15. a connecting rod; 16. sealing the sheet; 17. a slideway; 18. and (6) sealing the block.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and 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: the utility model provides a sealing equipment for pneumatic cylinder convenient to installation, including cylinder body 1, the front side of cylinder body 1 is fixed with front bezel 3, the rear side of cylinder body 1 is fixed with back plate 2, the hydraulic fluid port has all been seted up with the upside of back plate 2 to front bezel 3, threaded connection has preceding sealing plug 5 on the hydraulic fluid port of front side, threaded connection has back sealing plug 4 on the hydraulic fluid port of rear side, all be provided with seal assembly on preceding sealing plug 5 and the back sealing plug 4, seal assembly is used for the sealing of the hydraulic fluid port that sets up on the pneumatic cylinder, 5 upper portions of preceding sealing plug are stopper head 6, 4 upper portions of back sealing plug are stopper head two 12.

The hydraulic fluid port of seting up on front bezel 3 and back plate 2, the hydraulic fluid port is arranged in the oiling process in the conventional art, in order to guarantee the normal operating of pneumatic cylinder, if carrying out the pipeline and demolising and not sealing up when complete to the hydraulic fluid port, the dust will get into the inside of cylinder body 1 through the hydraulic fluid port, preceding sealing plug 5 is used for the sealed to the hydraulic fluid port with back sealing plug 4 from this, and through preceding sealing plug 5 and back sealing plug 4's setting, body simple structure, and the operation is thus simple, easily realize the installation procedure, seal assembly's setting is for the leakproofness and the compactness that improve the sealing plug, prevent effectively that the dust from getting into the inside of cylinder body 1.

Inside spout 8 of having all seted up in the both sides of chock plug 6 and chock plug two 12, seal assembly includes solid fixed ring 11, is fixed with slider 13 on the solid fixed ring 11, and with the inside sliding connection of spout 8, the inside bottom surface fixed mounting of spout 8 has telescopic cylinder 14, telescopic cylinder 14's inside sliding connection has connecting rod 15, and the upper end of connecting rod 15 is fixed mutually with slider 13's lower surface.

When the rear sealing plug 4 is clamped into the corresponding oil port, the original fixing ring 11 is located on the outer ring of the first plug 6, the fixing ring 11 is shifted by hand to move downwards, the fixing ring 11 is located on the outer ring of the oil port, and when the fixing ring 11 moves downwards, the sliding block 13 is driven to move downwards, so that the connecting rod 15 is driven to move downwards and extrude gas in the telescopic cylinder 14, the gas in the lower cavity of the telescopic cylinder 14 is discharged from the cylinder, and further when downward movement and fixation of the fixing ring 11 are realized, internal fixation in follow-up is effectively realized.

Slide 17 has all been seted up at the middle part of preceding sealing plug 5 and back sealing plug 4, and the centre of slide 17 is fixed with round pin 9, and the equal spring coupling in the left and right sides of round pin 9 has sealed piece 18, forms sealed chamber between two sealed pieces 18, and sealed intracavity portion is connected with the inside pipe connection of telescoping cylinder 14, and all fills has gas.

When the fixing ring 11 moves downwards and drives the sliding block 13 and the connecting rod 15 to move downwards, downward pressure is applied to the inside of the telescopic cylinder 14 by the lower end of the connecting rod 15, when gas in the lower cavity of the telescopic cylinder 14 is discharged from the cylinder, the gas enters the inside of the sealing cavity through a pipeline, the gas entering the sealing cavity applies outward thrust to the sealing blocks 18 on two sides, when the fixing ring 11 is arranged in advance to move to the oil port outer ring, the gas in the lower cavity of the telescopic rod 14 is transmitted to the inside of the sealing cavity, the gas entering the inside of the sealing cavity applies outward sliding thrust to the sealing blocks 18, and the sealing blocks 18 are set to just extend out of the slide way 17 at the moment, so that the sealing blocks 18 can further seal the inside of the oil port.

The sealing block 18 is slidably connected to the inside of the slide 17.

The working principle of the front sealing plug 5 is the same as that of the principle, when the sealing is required to be released, only the fixing ring 11 needs to be moved up to the initial position manually, the fixing ring 11 drives the sliding block 13 to move up, negative pressure is generated in the cylinder body 1, under the action of the negative pressure and the spring connected with the sealing block 18, gas in the sealing cavity enters the telescopic cylinder 14 through a pipeline, the spring rebounds after the original stretching, the sealing block 18 is pulled to move towards the inside of the slide way 17 until the initial position is recovered, and the sealing plug is convenient to take out.

The inner part of the upper surface of the first plug head 6 is provided with a cross groove 7, the upper surface of the second plug head 12 is fixed with a cross rod 10, and the cross rod 10 is matched with the cross groove 7 in size.

When the sealing plug is taken out, in order to prevent the sealing plug from being lost, the cross groove 7 and the cross rod 10 are installed, the cross rod 10 is clamped into the cross groove 7 and rotates at a certain angle, the cross groove 7 and the cross rod are installed together, and the sealing plug is convenient to take down.

Sealing pieces 16 are fixed on the lower sides of the first plug head 6 and the second plug head 12, and the sealing pieces 16 are made of flexible materials.

When the fixing ring 11 moves downwards, pressure is applied to the sealing sheet 16 on the lower side, the sealing sheet 16 wraps the oil port, and when liquid exists in the cylinder body 1, the liquid is prevented from volatilizing.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalent substitutions may be made to some of the features of the embodiments without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a sealing equipment for pneumatic cylinder convenient to installation, includes cylinder body (1), its characterized in that: the front side of cylinder body (1) is fixed with front bezel (3), the rear side of cylinder body (1) is fixed with back plate (2), the hydraulic fluid port has all been seted up with the upside of back plate (2) in front bezel (3), the front side threaded connection has preceding sealing plug (5), the rear side on the hydraulic fluid port threaded connection has back sealing plug (4), all be provided with seal assembly on preceding sealing plug (5) and back sealing plug (4), preceding sealing plug (5) upper portion is chock plug one (6), back sealing plug (4) upper portion is chock plug two (12).

2. The sealing apparatus for a hydraulic cylinder facilitating mounting according to claim 1, wherein: spout (8) have all been seted up to the both sides inside of chock plug one (6) and chock plug two (12), seal assembly is including solid fixed ring (11), gu be fixed with slider (13) on fixed ring (11), and with the inside sliding connection of spout (8), the inside bottom surface fixed mounting of spout (8) has telescoping cylinder (14), the inside sliding connection of telescoping cylinder (14) has connecting rod (15), the upper end of connecting rod (15) is fixed mutually with the lower surface of slider (13).

3. The sealing apparatus for a hydraulic cylinder facilitating mounting according to claim 2, wherein: slide (17) have all been seted up with the middle part of back sealing plug (4) in preceding sealing plug (5), the centre of slide (17) is fixed with round pin (9), the equal spring coupling in the left and right sides of round pin (9) has sealed piece (18), two form the sealed chamber between sealed piece (18), the sealed intracavity portion is connected with the inside pipeline of telescoping cylinder (14), and all fills has gas.

4. A seal apparatus for a hydraulic cylinder facilitating mounting according to claim 3, wherein: the sealing block (18) is connected with the inner part of the slide way (17) in a sliding way.

5. The sealing apparatus for a hydraulic cylinder facilitating mounting according to claim 1, wherein: the plug is characterized in that a cross groove (7) is formed in the inner portion of the upper surface of the plug head I (6), a cross rod (10) is fixed on the upper surface of the plug head II (12), and the cross rod (10) is matched with the cross groove (7) in size.

6. The sealing apparatus for a hydraulic cylinder facilitating mounting according to claim 2, wherein: the downside of chock plug one (6) and chock plug two (12) all is fixed with gasket (16), gasket (16) are flexible material.

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