CN222963106U - Leakage-proof mechanism of hydraulic cylinder - Google Patents

Leakage-proof mechanism of hydraulic cylinder Download PDF

Info

Publication number
CN222963106U
CN222963106U CN202421796565.0U CN202421796565U CN222963106U CN 222963106 U CN222963106 U CN 222963106U CN 202421796565 U CN202421796565 U CN 202421796565U CN 222963106 U CN222963106 U CN 222963106U
Authority
CN
China
Prior art keywords
cylinder
cover
connector
sealing
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202421796565.0U
Other languages
Chinese (zh)
Inventor
钱宏进
孙峰
赵锦龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hongsheng Hydraulic Machinery Co ltd
Original Assignee
Jiangsu Hongsheng Hydraulic Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Hongsheng Hydraulic Machinery Co ltd filed Critical Jiangsu Hongsheng Hydraulic Machinery Co ltd
Priority to CN202421796565.0U priority Critical patent/CN222963106U/en
Application granted granted Critical
Publication of CN222963106U publication Critical patent/CN222963106U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Actuator (AREA)

Abstract

本实用新型公开了一种液压油缸防泄漏机构,包括缸盖,所述缸盖的一端螺纹插接有连接头,连接头的一端粘接有内密封圈,连接头的外壁固定连接有压紧环,压紧环与缸盖之间设有外密封圈,所述压紧环的外侧套接有密封套,密封套的外侧套接有固定罩,所述固定罩的两端均固定连接有固定块,固定块的一端螺纹插接有固定螺栓,固定螺栓的一端穿过密封套与缸盖螺纹插接,所述缸盖的一侧外壁粘接有透明罩。本实用新型通过内密封圈对连接头与缸盖之间进行一次密封,然后,通过外密封圈对连接头与缸盖之间进行二次密封,接着,通过密封套对连接头与缸盖之间进行三次密封,从而防止液压油的泄漏。

The utility model discloses a hydraulic oil cylinder anti-leakage mechanism, including a cylinder head, a connector threadedly inserted at one end of the cylinder head, an inner sealing ring bonded at one end of the connector, a clamping ring fixedly connected to the outer wall of the connector, an outer sealing ring arranged between the clamping ring and the cylinder head, a sealing sleeve sleeved at the outer side of the clamping ring, a fixed cover sleeved at the outer side of the sealing sleeve, fixed blocks fixedly connected at both ends of the fixed cover, a fixing bolt threadedly inserted at one end of the fixing block, one end of the fixing bolt passes through the sealing sleeve and is threadedly plugged with the cylinder head, and a transparent cover is bonded to the outer wall of one side of the cylinder head. The utility model performs a primary seal between the connector and the cylinder head through the inner sealing ring, and then performs a secondary seal between the connector and the cylinder head through the outer sealing ring, and then performs a tertiary seal between the connector and the cylinder head through the sealing sleeve, thereby preventing leakage of hydraulic oil.

Description

Leakage-proof mechanism of hydraulic cylinder
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a leakage-proof mechanism of a hydraulic cylinder.
Background
The hydraulic cylinder is generally composed of structural members such as a cylinder barrel, a cylinder cover, a hydraulic rod, a piston and the like, and the two cylinder covers are connected with an oil pipe through connectors and used for inputting and outputting hydraulic oil in the cylinder barrel.
At present, in the use process of the existing hydraulic cylinder, as the sealing structure of the connector arranged on the cylinder cover is too few, the sealing performance of the hydraulic cylinder is poor when in use, so that hidden danger of leakage exists between the connector and the cylinder cover, therefore, in order to improve the technical progress of industry, the normal use of the hydraulic cylinder is better ensured, the core technical competitiveness is improved, and the application provides a new implementation scheme which is different from the connection structure between the cylinder cover and the connector of the hydraulic cylinder in the prior art.
Disclosure of utility model
The utility model aims to solve the problem of poor sealing performance of the existing hydraulic oil cylinder in use, and provides a leakage-proof mechanism of the hydraulic oil cylinder.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a hydraulic cylinder leak protection mechanism, includes the cylinder cap, the one end screw thread grafting of cylinder cap has the connector, and the one end of connector bonds there is interior sealing washer, the outer wall fixedly connected with clamp ring of connector, is equipped with outer sealing washer between clamp ring and the cylinder cap, the seal cover has been cup jointed in the outside of clamp ring, and the fixed cover has been cup jointed in the outside of seal cover.
Further, both ends of the fixed cover are fixedly connected with fixed blocks, one end of each fixed block is in threaded connection with a fixed bolt, and one end of each fixed bolt penetrates through the sealing sleeve and is in threaded connection with the cylinder cover.
Further, a transparent cover is adhered to the outer wall of one side of the cylinder cover, and the transparent cover covers the outer sides of the compression ring, the outer sealing ring, the fixed cover and the sealing sleeve.
Further, a plurality of locating rods are fixed on the inner wall of one side of the transparent cover, a plurality of locating holes are formed in one side of the cylinder cover, and the locating rods are spliced with the locating holes.
Further, the bottom fixedly connected with of cylinder cap connects the inner tube, and the bottom of connecting the inner tube is equipped with the sealing ring.
Further, a sealing gasket is arranged at the bottom of the cylinder cover.
The beneficial effects of the utility model are as follows:
1. The inner sealing ring is used for sealing the connector and the cylinder cover once, the outer sealing ring is used for sealing the connector and the cylinder cover twice, and the sealing sleeve is used for sealing the connector and the cylinder cover for three times, so that leakage of hydraulic oil is prevented.
2. The clamp ring, the outer sealing ring, the fixed cover and the sealing sleeve are protected through the transparent cover, so that damage to the outer sealing ring and the sealing sleeve is reduced, and usability of the outer sealing ring and the sealing sleeve is not affected.
3. Double sealing is carried out between the cylinder cover and the cylinder barrel through the sealing ring and the sealing gasket, so that leakage of hydraulic oil is avoided.
Drawings
Fig. 1 is a schematic perspective view of a leak-proof mechanism of a hydraulic cylinder according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a hydraulic cylinder leakage prevention mechanism according to the present utility model;
FIG. 3 is a schematic diagram of an exploded perspective view of a leak-proof mechanism for a hydraulic cylinder according to the present utility model;
Fig. 4 is a schematic diagram of an installation and use structure of a leak-proof mechanism of a hydraulic cylinder according to the present utility model.
The device comprises a cylinder cover 1, a connecting head 2, a connecting head 3, an inner sealing ring 4, a compression ring 5, an outer sealing ring 6, a fixed cover 7, a sealing sleeve 8, a fixed block 9, a transparent cover 10, a positioning rod 11, a positioning hole 12, a connecting inner cylinder 13, a sealing ring 14 and a sealing pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a hydraulic cylinder anti-leakage mechanism comprises a cylinder cover 1, wherein one end of the cylinder cover 1 is in threaded connection with a connector 2, one end of the connector 2 is adhered with an inner sealing ring 3, the outer wall of the connector 2 is welded with a compression ring 4, an outer sealing ring 5 is arranged between the compression ring 4 and the cylinder cover 1, a sealing sleeve 7 is sleeved on the outer side of the compression ring 4, primary sealing is carried out between the connector 2 and the cylinder cover 1 through the inner sealing ring 3, then secondary sealing is carried out between the connector 2 and the cylinder cover 1 through the outer sealing ring 5, and then tertiary sealing is carried out between the connector 2 and the cylinder cover 1 through the sealing sleeve 7, so that leakage of hydraulic oil is prevented, and a fixed cover 6 is sleeved on the outer side of the sealing sleeve 7.
The both ends homogeneous body shaping of fixed cover 6 has fixed block 8, the one end screw thread grafting of fixed block 8 has fixing bolt, fixing bolt's one end passes seal cover 7 and cylinder cap 1 screw thread grafting, one side outer wall of cylinder cap 1 has transparent cover 9 to bond, transparent cover 9 covers in clamp ring 4, outer sealing washer 5, the outside of fixed cover 6 and seal cover 7, protect clamp ring 4 through transparent cover 9, outer sealing washer 5, fixed cover 6 and seal cover 7, thereby reduce and cause the damage to outer sealing washer 5 and seal cover 7, one side inner wall of transparent cover 9 is fixed with a plurality of locating levers 10, one side of cylinder cap 1 is equipped with a plurality of locating holes 11, locating lever 10 and locating hole 11 peg graft, thereby be convenient for install cylinder cap 1 location on cylinder cap 1, the bottom integrated into one piece of cylinder cap 1 has connecting inner tube 12, the bottom of connecting inner tube 12 is equipped with sealing ring 13, the bottom of cylinder cap 1 is equipped with sealing washer 14, double seal is carried out between cylinder cap 1 and the cylinder barrel through sealing ring 13 and sealing washer 14.
The working principle of the embodiment is that when the sealing device is used, the connector 2 and the cylinder cover 1 are sealed once through the inner sealing ring 3, then the connector 2 and the cylinder cover 1 are sealed twice through the outer sealing ring 5, then the connector 2 and the cylinder cover 1 are sealed three times through the sealing sleeve 7, then the compression ring 4, the outer sealing ring 5, the fixed cover 6 and the sealing sleeve 7 are protected through the transparent cover 9, and then the cylinder cover 1 and the cylinder barrel are sealed doubly through the sealing ring 13 and the sealing gasket 14.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a hydraulic cylinder leak protection mechanism, includes cylinder cap (1), its characterized in that, the one end screw thread grafting of cylinder cap (1) has connector (2), and the one end of connector (2) bonds there is interior sealing washer (3), and the outer wall fixedly connected with clamp ring (4) of connector (2), is equipped with outer sealing washer (5) between clamp ring (4) and cylinder cap (1), seal cover (7) have been cup jointed in the outside of clamp ring (4), and fixed cover (6) have been cup jointed in the outside of seal cover (7).
2. The hydraulic cylinder leakage prevention mechanism according to claim 1, wherein two ends of the fixed cover (6) are fixedly connected with fixed blocks (8), one end of each fixed block (8) is in threaded connection with a fixed bolt, and one end of each fixed bolt is in threaded connection with the cylinder cover (1) through the sealing sleeve (7).
3. The hydraulic cylinder leakage prevention mechanism according to claim 1, wherein a transparent cover (9) is adhered to the outer wall of one side of the cylinder cover (1), and the transparent cover (9) covers the outer sides of the compression ring (4), the outer sealing ring (5), the fixed cover (6) and the sealing sleeve (7).
4. A hydraulic cylinder leakage prevention mechanism according to claim 3, characterized in that a plurality of positioning rods (10) are fixed on the inner wall of one side of the transparent cover (9), a plurality of positioning holes (11) are formed in one side of the cylinder cover (1), and the positioning rods (10) are spliced with the positioning holes (11).
5. The hydraulic cylinder leakage prevention mechanism according to claim 1, wherein the bottom of the cylinder cover (1) is fixedly connected with a connecting inner cylinder (12), and a sealing ring (13) is arranged at the bottom end of the connecting inner cylinder (12).
6. A hydraulic cylinder leakage prevention mechanism according to claim 1, characterized in that the bottom of the cylinder head (1) is provided with a gasket (14).
CN202421796565.0U 2024-07-29 2024-07-29 Leakage-proof mechanism of hydraulic cylinder Active CN222963106U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202421796565.0U CN222963106U (en) 2024-07-29 2024-07-29 Leakage-proof mechanism of hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202421796565.0U CN222963106U (en) 2024-07-29 2024-07-29 Leakage-proof mechanism of hydraulic cylinder

Publications (1)

Publication Number Publication Date
CN222963106U true CN222963106U (en) 2025-06-10

Family

ID=95904203

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202421796565.0U Active CN222963106U (en) 2024-07-29 2024-07-29 Leakage-proof mechanism of hydraulic cylinder

Country Status (1)

Country Link
CN (1) CN222963106U (en)

Similar Documents

Publication Publication Date Title
CN210461976U (en) Pressure-resistant sealing device for underwater equipment
CN218094901U (en) Pipeline sealing device for pipeline hydrostatic test
CN213452271U (en) Metal connecting hose with double-layer moisturizing structure
CN213117864U (en) Hard sealing joint with waterproof function
CN214405122U (en) Corrugated pipe compensator with waterproof function
CN2364307Y (en) Elastic cutting ferrule type pipe connection
CN212929107U (en) A leak-proof hydraulic cylinder
CN212839878U (en) A hydraulic cylinder pressure test joint structure
CN106224288A (en) A kind of blockage resisting pulsating pump with clamping drinking-water pipe
CN217463636U (en) Hydraulic cylinder joint of antiseep
CN214146905U (en) Novel locking hydraulic pressure coupling
CN216201305U (en) High-safety metal hose
CN208670334U (en) A kind of three-way pipeline connector
CN215334968U (en) Leakage-proof hydraulic connector
CN221170850U (en) Air belt connector capable of exhausting air
CN218895134U (en) Temporary quick sealing device for oil gas storage and transportation pipeline leakage
CN205978882U (en) Connector
CN211117677U (en) Electric angle seat valve
CN212776064U (en) Flexible interface socket joint formula concrete drain pipe
CN217177761U (en) A portable gas pipeline connection device
CN219413903U (en) Rubber tube assembly with bifurcation structure
CN213271454U (en) A threaded joint bolt
CN216479604U (en) Spacing leaking stoppage ware of stainless steel underwater pipeline
CN216813322U (en) Hydraulic hose connector with self-protection function
CN2203508Y (en) Cable seal connection termination

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant