CN212959839U

CN212959839U - Protection mechanism of hydraulic sealing element

Info

Publication number: CN212959839U
Application number: CN202021596014.1U
Authority: CN
Inventors: 蒋新; 刘建超; 王金广; 张利光; 孔利建; 代炳晓
Original assignee: Tianjin Fangxing Petroleum Engineering Technology Co ltd
Current assignee: Tianjin Fangxing Petroleum Engineering Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-13
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a hydraulic seal spare's protection machanism, which comprises a tank body and an adjusting device, the inner wall swing joint of the jar body has the piston rod, the both sides outer wall of piston rod all is provided with the sealing member, the outer wall of sealing member sets up with the outer wall laminating of piston rod, the top outer wall fixedly connected with of the jar body strengthens the lagging, the both sides outer wall of piston rod just is located the first gag lever post of the equal fixedly connected with in below of sealing member, strengthen the outer wall of lagging and be located the equal swing joint of both sides outer wall of piston rod has the movable rod, every the movable rod is close to the equal fixedly connected with connecting rod of one side outer wall of piston rod, the one end and the adjusting device fixed connection. Through the joint setting of devices such as adjusting device, first inserted link, protect the sealing member, avoid the sealing member distortion can appear when the motion, outside expansion leads to sealed not tight, can appear the problem of oil leak.

Description

Protection mechanism of hydraulic sealing element

Technical Field

The utility model belongs to the technical field of hydraulic seal spare, concretely relates to hydraulic seal spare's protection machanism.

Background

Sealing is one of the effective means for solving the leakage problem of the hydraulic system. When the sealing of the hydraulic system is not good, the environment is polluted due to external leakage, air can enter the hydraulic system to influence the working performance of the hydraulic pump and the movement stability of a hydraulic actuating element, and when the internal leakage is serious, the volumetric efficiency of the system is too low and the temperature of oil is too high, so that the system cannot work normally. The sealing ring is a rubber ring with a circular section, and is the most widely used sealing element in a hydraulic transmission system. The sealing function of the sealing ring mainly depends on the contact stress acted on the coupling surface after the sealing ring is pre-compressed and pressurized, and the sealing ring has the capacity of automatic compensation after abrasion due to the elasticity of the sealing ring.

The sealing washer distortion phenomenon and deformation can appear when the motion, outwards expand, lead to sealed not tight, can appear the phenomenon of oil leak, lacks the protection machanism to the sealing member at present, comes to protect the sealing member, and protection machanism is inconvenient installs and dismantles, consequently, we have provided a hydraulic seal's protection machanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic seal spare's protection machanism to the protection machanism who proposes current a hydraulic seal spare among the solution above-mentioned background art is in the use, because the sealing washer distortion, the inconvenient installation of sealing mechanism and dismantlement can appear when the motion, thereby lead to the oil leak and reduce work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a protection mechanism of a hydraulic sealing element comprises a tank body and an adjusting device, wherein a piston rod is movably connected to the inner wall of the tank body, sealing elements are arranged on the outer walls of two sides of the piston rod, the outer wall of each sealing element is attached to the outer wall of the piston rod, a reinforcing sleeve plate is fixedly connected to the outer wall of the top of the tank body, first limiting rods are fixedly connected to the outer walls of two sides of the piston rod below the sealing element, movable rods are movably connected to the outer walls of the reinforcing sleeve plate and the outer walls of two sides of the piston rod, a connecting rod is fixedly connected to the outer wall of one side, close to the piston rod, of each movable rod, one end, far away from the corresponding movable rod, of each connecting rod is fixedly connected with the adjusting device, a movable groove is formed in the inner wall of the reinforcing sleeve plate, a fixed rod is arranged on the inner, the equal fixedly connected with stopper of both sides outer wall of dead lever, the inner wall fixedly connected with fixed block of the jar body, the fixed frame of inner wall fixedly connected with of fixed block.

Preferably, the adjusting device comprises a first lantern ring, a second lantern ring is fixedly connected to one end of the first lantern ring, the other end of the second lantern ring is arranged inside the first lantern ring in an inserting mode, inserting holes are formed in the outer walls of the first lantern ring and the outer wall of the second lantern ring, and a first inserting rod is arranged in each inserting hole.

Preferably, the outer wall of the first plug rod is plugged with the inner wall of the plug hole.

Preferably, the outer wall of one side of each of the two movable rods is fixedly connected with a second limiting rod.

Preferably, the outer wall of the limiting block is magnetically connected with the inner wall of the fixing frame.

Preferably, the inner wall of the fixing frame is fixedly connected with a spring, and the top of the spring is in contact with the bottom end of the fixing rod.

Preferably, the inner wall of the fixed plate is provided with a through hole, the fixed plate is inserted with a second insertion rod through the through hole, the inner wall of the reinforcing sleeve plate is provided with a clamping groove, and the outer wall of the second insertion rod is clamped with the inner wall of the clamping groove.

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

1. seal through the sealing member to the piston rod, cup joint adjusting device at the outer wall of piston rod, through adjusting the second lantern ring, make second lantern ring to first lantern ring intra-annular motion, make the spliced eye on two lantern rings match, peg graft first spliced rod and spliced eye, thereby fix adjusting device who has adjusted, when adjusting device presss from both sides tightly, drive the connecting rod to middle motion, thereby stimulate two movable rods to middle motion, carry out fixed protection with the sealing member, this device passes through adjusting device, the joint setting of devices such as first spliced rod, protect the sealing member, avoid the sealing member distortion to probably appear when the motion, outside expansion, lead to sealed not tight, the problem of oil leak appears.

2. Through pegging graft the dead lever in the movable groove, the dead lever moves to fixed frame in, the extrusion spring, then pass through the fixed plate with the second inserted bar, make it and draw-in groove joint, thereby it is fixed with the dead lever, make sealed protection machanism and jar body fixed, when needs are dismantled, extract the second inserted bar, bounce-back by the extruded spring, make things convenient for the dead lever to take out, thereby the completion is dismantled, this device passes through the dead lever, the setting of devices such as spring, the installation and the dismantlement to protection machanism have been made things convenient for, thereby save installation dismantlement time, and the work efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the adjusting device of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B in fig. 1 according to the present invention.

In the figure: 1. a tank body; 2. a piston rod; 3. a seal member; 4. a reinforcing sleeve plate; 5. a first limit rod; 6. a movable rod; 7. a second limiting rod; 8. a connecting rod; 9. an adjustment device; 91. a first collar; 92. a second collar; 93. inserting holes; 94. a first plug-in rod; 10. a movable groove; 11. fixing the rod; 12. a fixing plate; 13. a limiting block; 14. a fixed block; 15. a fixing frame; 16. a spring; 17. a second plug-in rod; 18. a clamping groove.

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: a protection mechanism of a hydraulic sealing element comprises a tank body 1 and an adjusting device 9, wherein the inner wall of the tank body 1 is movably connected with a piston rod 2, the outer walls of two sides of the piston rod 2 are respectively provided with a sealing element 3, the outer wall of the sealing element 3 is arranged in a fit manner with the outer wall of the piston rod 2, the outer wall of the top of the tank body 1 is fixedly connected with a reinforcing sleeve plate 4, the outer walls of two sides of the piston rod 2 and below the sealing element 3 are respectively and fixedly connected with a first limiting rod 5, the outer walls of the reinforcing sleeve plate 4 and two sides of the piston rod 2 are respectively and movably connected with a movable rod 6, one side of each movable rod 6, which is close to the piston rod 2, is respectively and fixedly connected with a connecting rod 8, one end of the connecting rod 8, which is far away from the movable rod 6, is fixedly connected with the adjusting device 9, the top fixedly connected with fixed plate 12 of dead lever 11, the equal fixedly connected with stopper 13 of both sides outer wall of dead lever 11, the inner wall fixedly connected with fixed block 14 of the jar body 1, the fixed frame 15 of the inner wall fixedly connected with of fixed block 14.

In this embodiment, seal piston rod 2 through sealing member 3, cup joint adjusting device 9 at the outer wall of piston rod 2, two movable rods 6 through adjusting device 9 pulling are to middle motion, carry out fixed protection with sealing member 3, through pegging graft dead lever 11 in movable groove 10, dead lever 11 moves to fixed frame 15 in, extrude spring 16, then pass through fixed plate 12 with second peg graft pole 17, make it and draw-in groove 18 joint, thereby it is fixed with dead lever 11, make sealed protection machanism fixed with jar body 1, when needs are dismantled, extract second peg graft pole 17, by extruded spring 16 bounce-back, make things convenient for dead lever 11 to take out, thereby accomplish and dismantle.

Specifically, adjusting device 9 includes first lantern ring 91, and the one end fixedly connected with second lantern ring 92 of first lantern ring 91, the other end of second lantern ring 92 alternate and set up in the inside of first lantern ring 91, and spliced eye 93 has all been seted up with the outer wall of second lantern ring 92 to first lantern ring 91, is provided with first plug rod 94 in the spliced eye 93.

In this embodiment, by adjusting the second collar 92, the second collar 92 moves into the first collar 91, so that the insertion holes 93 on the two collars are matched, the first insertion rod 94 is inserted into the insertion holes 93, the adjusted adjusting device 9 is fixed, and the sealing element 3 is protected by adjusting the adjusting device 9.

Specifically, the outer wall of the first insertion rod 94 is inserted into the inner wall of the insertion hole 93.

In the present exemplary embodiment, the first plug rod 94 secures the adjusted adjusting device 9 against displacement.

Specifically, the outer wall of one side of each of the two movable rods 6 is fixedly connected with a second limiting rod 7.

In the present embodiment, the second stopper rod 7 fixes the first stopper rod 5, thereby restricting the seal member 3.

Specifically, the outer wall of the limiting block 13 is magnetically connected with the inner wall of the fixed frame 15.

In this embodiment, the stopper 13 functions as a stopper so that the fixing lever 11 enters the fixing frame 15.

Specifically, a spring 16 is fixedly connected to the inner wall of the fixing frame 15, and the top of the spring 16 is in contact with the bottom end of the fixing rod 11.

In this embodiment, when the detachment is required, the second insertion rod 17 is pulled out and rebounded by the compressed spring 16, so that the fixing rod 11 can be conveniently taken out, thereby completing the detachment.

Specifically, a through hole is formed in the inner wall of the fixing plate 12, the fixing plate 12 is inserted with a second insertion rod 17 through the through hole, a clamping groove 18 is formed in the inner wall of the reinforcing sleeve plate 4, and the outer wall of the second insertion rod 17 is clamped with the inner wall of the clamping groove 18.

In this embodiment, the second inserting rod 17 is clamped with the clamping groove 18 through the fixing plate 12, so that the fixing rod 11 is fixed, the sealing protection mechanism is fixed with the tank body 1, and when the second inserting rod 17 needs to be detached, the second inserting rod 17 is pulled out, and detachment is completed.

The utility model discloses a theory of operation and use flow: when the sealing device is used, the piston rod 2 is sealed through the sealing element 3, the adjusting device 9 is sleeved on the outer wall of the piston rod 2, the second sleeve ring 92 is adjusted to move towards the inside of the first sleeve ring 91, the inserting holes 93 on the two sleeve rings are matched, the first inserting rod 94 is inserted into the inserting hole 93, the adjusted adjusting device 9 is fixed, when the adjusting device 9 is clamped, the connecting rod 8 is driven to move towards the middle, the two movable rods 6 are pulled to move towards the middle, the sealing element 3 is fixed and protected, by inserting the fixed rod 11 into the movable groove 10, the fixed rod 11 moves into the fixed frame 15, the spring 16 is extruded, then the second inserting rod 17 passes through the fixed plate 12 and is clamped with the clamping groove 18, so that the fixed rod 11 is fixed, the sealing protection mechanism is fixed with the tank body 1, when the second inserting rod 17 needs to be disassembled, the second inserting rod 17 is pulled out, the pressed spring 16 rebounds to facilitate the removal of the fixing lever 11, thereby completing the detachment.

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 a protection machanism of hydraulic seal spare, includes jar body (1) and adjusting device (9), its characterized in that: the inner wall of the tank body (1) is movably connected with a piston rod (2), the outer walls of two sides of the piston rod (2) are respectively provided with a sealing element (3), the outer wall of the sealing element (3) is attached to the outer wall of the piston rod (2), the outer wall of the top of the tank body (1) is fixedly connected with a reinforcing sleeve plate (4), the outer walls of two sides of the piston rod (2) are respectively and fixedly connected with a first limiting rod (5) below the sealing element (3), the outer wall of the reinforcing sleeve plate (4) is respectively and movably connected with a movable rod (6), one outer wall of one side, close to the piston rod (2), of each movable rod (6) is respectively and fixedly connected with a connecting rod (8), one end, far away from the movable rod (6), of each connecting rod (8) is fixedly connected with an adjusting device (9), and a movable groove (10) is formed in the inner wall of, the inner wall of activity groove (10) is provided with dead lever (11), the outer wall of dead lever (11) is pegged graft with the inner wall of activity groove (10), the top fixedly connected with fixed plate (12) of dead lever (11), the equal fixedly connected with stopper (13) of both sides outer wall of dead lever (11), the inner wall fixedly connected with fixed block (14) of the jar body (1), fixed frame (15) of the inner wall fixedly connected with of fixed block (14).

2. The hydraulic seal guard mechanism of claim 1, wherein: adjusting device (9) include first lantern ring (91), the one end fixedly connected with second lantern ring (92) of first lantern ring (91), the other end interlude of second lantern ring (92) sets up in the inside of first lantern ring (91), spliced eye (93) have all been seted up to the outer wall of first lantern ring (91) and second lantern ring (92), be provided with first spliced pole (94) in spliced eye (93).

3. The hydraulic seal guard mechanism as claimed in claim 2, wherein: the outer wall of the first plug rod (94) is plugged with the inner wall of the plug hole (93).

4. The hydraulic seal guard mechanism of claim 1, wherein: two the equal fixedly connected with second gag lever post (7) of one side outer wall of movable rod (6).

5. The hydraulic seal guard mechanism of claim 1, wherein: the outer wall of the limiting block (13) is magnetically connected with the inner wall of the fixed frame (15).

6. The hydraulic seal guard mechanism of claim 1, wherein: the inner wall of the fixed frame (15) is fixedly connected with a spring (16), and the top of the spring (16) is in contact with the bottom end of the fixed rod (11).

7. The hydraulic seal guard mechanism of claim 1, wherein: the inner wall of the fixing plate (12) is provided with a through hole, the fixing plate (12) is inserted with a second insertion rod (17) through the through hole, the inner wall of the reinforcing sleeve plate (4) is provided with a clamping groove (18), and the outer wall of the second insertion rod (17) is clamped with the inner wall of the clamping groove (18).