Self-lubricating hydraulic valve assembly

Abstract

The utility model discloses a self-lubricating type hydraulic valve assembly which comprises a hydraulic valve body, a hydraulic valve rod installed in the hydraulic valve body and a sealing ring arranged on the outer surface of the hydraulic valve rod in a sleeved mode and arranged at the joint of the hydraulic valve rod and the hydraulic valve body, and a limiting assembly is arranged at the right end of the hydraulic valve body. The lubricating assembly is arranged on the outer side of the hydraulic valve body, and a through hole for lubricating oil to enter is formed in the right upper end of the hydraulic valve body. According to the self-lubricating type hydraulic valve assembly, the sealing ring is arranged at the connecting position of the hydraulic valve rod and the hydraulic valve body, a good sealing effect can be achieved on the connecting position, and dust is prevented from being accumulated at the connecting position and affecting telescopic movement between the hydraulic valve body and the hydraulic valve rod; lubricating oil can be automatically added to the joint of the hydraulic valve body and the hydraulic valve rod through the through hole for lubrication, and manual adding is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydraulic valve, concretely to a self -lubricating formula hydraulic valve assembly. BACKGROUND

[0002] Hydraulic valve is a kind of automation equipment that can control the flow direction, pressure and flow of hydraulic fluid in hydraulic system, and the movement and working state of execution element can be controlled through hydraulic valve, so that stable work in hydraulic system according to design requirement can be guaranteed;

[0003] Such as the announcement number CN221991046U, discloses a kind of hydraulic valve convenient to install, it is related to hydraulic valve technical field, including valve body, the inner wall of the two sides of valve body is symmetrically provided with two groups of sliding groove, the outer surface of the two sides of valve body is symmetrically provided with two groups of connecting pipe, the utility model discloses a kind of hydraulic valve convenient to install, by the telescopic slot of being set, can retract telescopic rod into interior, to be able to adjust the length of telescopic rod, the inner wall of telescopic rod is provided with threaded hole, to be able to adjust the installation position of threaded hole;

[0004] However, in the prior art, although the installation problem of hydraulic valve is solved, in order to guarantee the normal and stable work between hydraulic valve body and hydraulic valve stem, reduce friction, it is necessary to add lubricating oil to its connecting part, and the traditional adding mode is mostly manual adding, prone to problems such as not timely adding, for example, the above-mentioned comparative patent has this problem;

[0005] Therefore, we propose a kind of self-lubricating hydraulic valve assembly to solve the above problems. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of self-lubricating hydraulic valve assembly, to solve the problem that the installation problem of hydraulic valve is solved in the above background art, but in order to guarantee the normal and stable work between hydraulic valve body and hydraulic valve stem, reduce friction, it is necessary to add lubricating oil to its connecting part, and the traditional adding mode is mostly manual adding, prone to problems such as not timely adding.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of self-lubricating hydraulic valve assembly, including hydraulic valve body and the hydraulic valve stem installed in the hydraulic valve body;

[0008] Further comprising:

[0009] Sealing ring is arranged on the outer surface of the hydraulic valve stem and is arranged at the connecting part of the hydraulic valve stem and the hydraulic valve body, the right end of the hydraulic valve body is provided with a limiting assembly, and the sealing ring and the hydraulic valve body constitute a disassembly structure through the limiting assembly.

[0010] A lubricating assembly is arranged outside the hydraulic valve body, and a through hole for the lubricating oil to enter is arranged at the upper right end of the hydraulic valve body.

[0011] Preferably, the limiting assembly is composed of a movable plate, a fixed groove, a movable frame, a movable rod, a fixed plate, a protrusion and a connecting bolt.

[0012] Preferably, the movable plate is sleeved at the upper and lower ends of the hydraulic valve rod respectively, and the movable plate is arranged in close contact with the sealing ring and is used for pressing and positioning the sealing ring when the movable plate moves to the left.

[0013] The fixed grooves at the upper and lower ends are connected to each other.

[0014] Preferably, the movable frame is sleeved on the outer surface of the hydraulic valve body and moves left and right at the right end of the hydraulic valve body.

[0015] Preferably, the movable frame is hingedly connected with the movable rod at the upper and lower ends of the movable frame, and the right end of the movable rod is fixedly connected with the fixed plate used for positioning, and the inner side of the fixed plate is fixedly connected with the protrusion.

[0016] Meanwhile, the movable rod drives the fixed plate to form a turnover structure outside the right end of the hydraulic valve body.

[0017] Preferably, the movable frame and the hydraulic valve body are limited by the connecting bolt arranged at the front and rear ends of the movable frame.

[0018] Preferably, the lubricating assembly is composed of a lubricating oil tank, a timer, an oil pump and an oil pipe.

[0019] Preferably, the oil pump is arranged at the front side of the upper end of the lubricating oil tank, and the oil outlet end of the oil pump is connected with the through hole through the oil pipe.

[0020] Compared with the prior art, the self-lubricating hydraulic valve assembly has the advantages that: the sealing ring is arranged at the connection between the hydraulic valve rod and the hydraulic valve body, which can achieve good sealing effect at the connection, prevent dust from accumulating at the connection, and affect the expansion and contraction movement between the hydraulic valve body and the hydraulic valve rod; the limiting assembly is arranged to press and limit the sealing ring, and the sealing ring can be disassembled and replaced when it is worn out; the lubricating assembly is arranged to automatically add lubricating oil to the connection between the hydraulic valve body and the hydraulic valve rod for lubrication, without manual addition, and ensures the normal and stable operation of the hydraulic valve body and the hydraulic valve rod.

[0021] 1. The hydraulic valve body, hydraulic valve stem and sealing ring are provided, the sealing ring is arranged at the connecting place of the hydraulic valve body and the hydraulic valve stem, the connecting place can be sealed, and the dust accumulation at the connecting place is prevented to affect the expansion and contraction movement between the hydraulic valve stem and the hydraulic valve body.

[0022] 2. The limiting assembly is composed of the movable plate, the fixed groove, the movable frame, the movable rod, the fixed plate, the protrusion and the connecting bolt, the limiting assembly is arranged to facilitate the disassembly and replacement of the sealing ring when the sealing ring is worn.

[0023] 3. The lubricating assembly is composed of the lubricating oil tank, the timer, the oil pump and the oil pipe, the lubricating assembly can automatically add lubricating oil to the connecting place of the hydraulic valve body and the hydraulic valve stem, manual addition is not needed, and stable operation between the hydraulic valve body and the hydraulic valve stem is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 It is a whole structure schematic view of the utility model hydraulic valve body, hydraulic valve stem, sealing ring and movable plate;

[0026] Figure 3 It is a whole structure schematic view of the utility model movable plate and fixed groove;

[0027] Figure 4 It is a whole structure schematic view of the utility model Figure 1 It is an enlarged structure schematic view of A in the utility model;

[0028] Figure 5 It is a whole structure schematic view of the utility model movable frame, fixed plate and connecting bolt;

[0029] Figure 6 It is a structure schematic view of the utility model movable frame, movable rod, fixed plate and protrusion in the overturning state.

[0030] In the drawing: 1, hydraulic valve body; 2, hydraulic valve stem; 3, sealing ring; 4, movable plate; 5, fixed groove; 6, movable frame; 7, movable rod; 8, fixed plate; 9, protrusion; 10, connecting bolt; 11, lubricating oil tank; 12, timer; 13, oil pump; 14, oil pipe; 15, through hole. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] Please refer to Figures 1-6 The utility model provides the following technical scheme.

[0033] In order to solve the problems in the prior art, therefore the embodiment is through the following technical scheme, a self-lubricating hydraulic valve assembly is provided with hydraulic valve body 1 and the hydraulic valve valve stem 2 installed in the hydraulic valve body 1, the sealing ring 3 of sleeve setting in the outer surface of the hydraulic valve valve stem 2 and being arranged at the connecting place of the hydraulic valve valve stem 2 and the hydraulic valve body 1, the right end of the hydraulic valve body 1 is provided with a limiting assembly, the sealing ring 3 and the hydraulic valve body 1 constitute the dismounting structure through the limiting assembly, the lubricating assembly is arranged on the outside of the hydraulic valve body 1, and the right upper end of the hydraulic valve body 1 is provided with a through hole 15 for the lubricating oil to enter, the limiting assembly is composed of movable plate 4, fixed groove 5, movable frame 6, movable rod 7, fixed plate 8, lug 9 and connecting bolt 10, and the lubricating assembly is composed of lubricating oil tank 11, timer 12, oil pump 13 and oil pipe 14.

[0034] As Figure 1 And Figure 2 Sealing ring 3 is sleeved on the outside of hydraulic valve valve stem 2 and sealing ring 3 is located at the connecting place of hydraulic valve body 1 and sealing ring 3. Through the arrangement of sealing ring 3, the connecting place of hydraulic valve body 1 and hydraulic valve valve stem 2 can be well sealed, so that the normal operation of the two is not affected by dust accumulation at the connecting position of hydraulic valve body 1 and hydraulic valve valve stem 2 during long-term use. Moreover, when sealing ring 3 is worn or damaged during long-term use, connecting bolt 10 can be loosened to limit the movement of movable frame 6 and hydraulic valve body 1. Figure 3 、 Figure 4 、 Figure 5 And Figure 6 As shown in Figs. 7 and 8, the connecting bolt 10 is loosened to loosen the limiting of the movable frame 6 and the hydraulic valve body 1, and then the movable frame 6 is pulled to the right, and the movable frame 6 and the hydraulic valve body 1 slide relative to each other. The movable frame 6 drives the movable rod 7 and the fixed plate 8 to move to the right, so that the fixed plate 8 drives the lug 9 to move out of the fixed groove 5. Then the fixed plate 8 is turned over, and the fixed plate 8 drives the movable rod 7 and the movable frame 6 to rotate relative to each other, thereby completely loosening the compression and interference of the movable plate 4. Then the fixed groove 5 is removed from the outside of the hydraulic valve valve stem 2, and the compression of the sealing ring 3 is loosened. Thus, the sealing ring 3 can be easily dismounted and replaced. After replacing the new sealing ring 3, the sealing ring 3 can be limited by reversing the above operation.

[0035] As Figure 1 The front side of the upper end of the lubricating oil tank 11 is provided with an oil pump 13, and the oil outlet of the oil pump 13 is connected with the through hole 15 through an oil delivery pipe 14, and the rear side of the upper end of the lubricating oil tank 11 is provided with a timer 12, which is used to set the time in advance, and when the set time is reached, a signal is transmitted to the central processor to control the starting of the oil pump 13, and at this time, the oil pump 13 can pump out the lubricating oil in the lubricating oil tank 11 and output it through the oil delivery pipe 14 into the hydraulic valve body 1 through the through hole 15, so that the connection between the hydraulic valve body 1 and the hydraulic valve stem 2 can be automatically lubricated, and manual addition is not required, and after adding an appropriate amount of lubricating oil, the central processor controls the oil pump 13 to be closed, and through the setting of the appropriate interval time by the timer 12, the connection between the hydraulic valve body 1 and the hydraulic valve stem 2 can be circularly lubricated.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A self-lubricating hydraulic valve assembly, comprising a hydraulic valve body (1) and a hydraulic valve stem (2) installed in the hydraulic valve body (1); characterized in that Further comprising: a sealing ring (3) sleeved on the outer surface of the hydraulic valve stem (2) and arranged at the connection between the hydraulic valve stem (2) and the hydraulic valve body (1), the right end of the hydraulic valve body (1) is provided with a limiting assembly, and the sealing ring (3) and the hydraulic valve body (1) constitute a disassembly structure through the limiting assembly; A lubricating assembly is arranged on the outer side of the hydraulic valve body (1), and a through hole (15) for lubricating oil to enter is formed at the upper right end of the hydraulic valve body (1).

2. A self-lubricating hydraulic valve assembly according to claim 1, wherein: The limiting assembly is composed of a movable plate (4), a fixed groove (5), a movable frame (6), a movable rod (7), a fixed plate (8), a protrusion (9) and a connecting bolt (10).

3. A self-lubricating hydraulic valve assembly according to claim 2, wherein: The movable plate (4) is sleeved on the upper and lower ends of the hydraulic valve stem (2), and the movable plate (4) is moved to the left and is in close contact with the sealing ring (3) and is pressed and positioned on the sealing ring (3). The upper and lower fixed grooves (5) are connected with each other.

4. A self-lubricating hydraulic valve assembly according to claim 2, wherein: The movable frame (6) is sleeved on the outer surface of the hydraulic valve body (1) and moves left and right at the right end of the hydraulic valve body (1).

5. A self-lubricating hydraulic valve assembly according to claim 4, wherein: The upper and lower ends of the movable frame (6) are hingedly connected with the movable rods (7) for connection, the right end of the movable rod (7) is fixedly connected with the fixed plate (8) for positioning, and the inner side of the fixed plate (8) is fixedly connected with the protrusion (9). At the same time, the movable rod (7) drives the fixed plate (8) to form a turnover structure outside the right end of the hydraulic valve body (1).

6. A self-lubricating hydraulic valve assembly according to claim 5, wherein: The movable frame (6) and the hydraulic valve body (1) are limited by the connecting bolts (10) arranged through the front and rear ends of the movable frame (6).

7. A self-lubricating hydraulic valve assembly according to claim 1, wherein: The lubricating assembly is composed of a lubricating oil tank (11), a timer (12), an oil pump (13) and an oil pipe (14).

8. A self-lubricating hydraulic valve assembly according to claim 7, wherein: The oil pump (13) is installed on the front side of the upper end of the lubricating oil tank (11), and the oil outlet end of the oil pump (13) is connected with the through hole (15) through the oil pipe (14).

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