Excavator reversing valve

Abstract

The utility model relates to the technical field of reversing valves, in particular to an excavator reversing valve which comprises a reversing valve body, a lubricating assembly is fixedly connected to the middle of the surface of the reversing valve body and comprises a fixing ring, and the interior of the fixing ring is fixedly connected to the middle of the surface of the reversing valve body. A convenient assembly is fixedly connected to the interior of the containing groove, a convenient lamp set is fixedly connected to the interior of the convenient assembly, and the bottom of the convenient lamp set is fixedly connected to the interior of the containing groove. Due to the arrangement of the lubricating assembly, when the reversing valve is used, a worker pulls out the closing block with the hand, lubricating oil enters the fixing ring through the lubricating opening and is fused with the sponge ring in the fixing ring, and the interior of the sponge ring makes contact with a reversing rotating area on the surface of the reversing valve body, so that the lubricating oil can be effectively lubricated. Lubricating oil is attached to the surface of the reversing rotation area of the reversing valve body through the sponge ring, and therefore the effect that a worker conducts reversing rotation more conveniently is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of reversing valves, in particular to a reversing valve for an excavator. Background Art

[0002] The excavator reversing valve is a key component used to control the flow direction of the excavator hydraulic system. It is usually installed in the hydraulic system of the excavator to control the flow direction of the hydraulic oil to achieve various functions such as digging, unloading, moving, etc.

[0003] A reversing valve with a simple structure is disclosed in the public specification of Chinese utility model patent application CN214999557U, so that a group of fans can realize the switching of the operation of two pipelines. Its technical solution is as follows: a reversing valve includes a hollow valve body, on which a first connecting pipe, a second connecting pipe and a third connecting pipe connected to the valve body are provided, the first connecting pipe is used to connect to an external fan, a switching module is provided in the valve body, the switching module includes a connecting rod, on which a first piston and a second piston are provided which are sealed and connected to the valve body, the first piston and the second piston cooperate to form an air guide chamber; one end of the connecting rod extends outside the valve body and is connected to an external driving source, and the connecting rod can be moved under the drive of the external driving source to connect the first connecting pipe, the second connecting pipe and the air guide chamber or to connect the first connecting pipe and the third connecting pipe with the air guide chamber, which belongs to the field of valve technology.

[0004] However, the device lacks lubrication components inside, and it is not easy to lubricate the surface of the rotating area of ​​the reversing valve body when rotating the rotating area, which may cause the staff to have more effort when performing the rotation. Not only that, the device also lacks convenient components inside. When the reversing valve body is used at night, it is not convenient to quickly find the reversing valve body, which reduces the accuracy of the staff in finding the reversing valve body. Utility Model Content

[0005] The utility model aims to provide an excavator reversing valve to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A reversing valve for an excavator comprises a reversing valve body, characterized in that four groups of reversing ports are provided at one end of the reversing valve body, a handle is fixedly connected to the surface of the reversing valve body, an anti-slip sleeve is fixedly connected to the surface of the handle, a lubrication component is fixedly connected to the middle part of the surface of the reversing valve body, the lubrication component comprises a fixing ring, the interior of the fixing ring is fixedly connected to the middle part of the surface of the reversing valve body, friction grooves are provided on both sides of the reversing valve body, friction plates are fixedly connected to the interiors of two groups of friction grooves, a placement groove is provided at the top of the reversing valve body, a convenient component is fixedly connected to the interior of the placement groove, a convenient lamp group is fixedly connected to the interior of the convenient lamp group, and the bottom of the convenient lamp group is fixedly connected to the interior of the placement groove.

[0008] Preferably, one end of the interior of the four groups of reversing ports is fixedly connected to a filter layer, and the other end of the interior of the four groups of reversing ports is fixedly connected to a sealing ring.

[0009] Preferably, the lubrication assembly further comprises a lubrication port, the bottom of the lubrication port is through-connected to the top of the fixing ring, and the top of the lubrication port is clamped with a closing block.

[0010] Preferably, a sponge ring is fixedly connected to the interior of the fixing ring, and the interior of the sponge ring is sleeved on the middle part of the surface of the reversing valve body.

[0011] Preferably, the convenient component further comprises a protective cover, a surface of which is fixedly connected to an inner top of the convenient lamp group, and one side of the convenient lamp group is electrically connected to a switch via a power cord.

[0012] Preferably, one end of the switch is electrically connected to a battery via a power line, the bottom of the switch is fixedly connected to the top of the battery, and the bottom of the battery is fixedly connected to one side of the top surface of the reversing valve body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. This excavator reversing valve, through the setting of the lubrication component, when in use, the staff first pulls out the closing block by hand, and then the lubricating oil enters the interior of the fixed ring through the lubrication port and merges the lubricating oil and the sponge ring inside the fixed ring. Since the inside of the sponge ring is in contact with the reversing rotation area on the surface of the reversing valve body, the lubricating oil adheres to the surface of the reversing rotation area of ​​the reversing valve body through the sponge ring, thereby achieving the effect of making it more convenient for the staff to perform reversing rotation.

[0015] 2. This excavator reversing valve is set up with convenient components. When in use, the staff first connects the switch to the switch and the battery through the power cord, and then turns on the switch. The battery increases the power, and the convenient light group starts to light up and work, so that even in a relatively dim environment, the reversing valve body can be quickly found and other operations can be performed, thereby achieving the effect of improving accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall appearance of the utility model;

[0017] Figure 2 It is a schematic diagram of the sealing ring and the filter layer of the utility model;

[0018] Figure 3 It is a schematic diagram of the convenient components of the utility model;

[0019] Figure 4 It is a schematic diagram of the lubrication component of the utility model.

[0020] In the figure: 1. reversing valve body; 2. reversing port; 3. handle; 4. anti-slip sleeve; 5. lubrication assembly; 501. fixing ring; 502. lubrication port; 503. closing block; 504. sponge ring; 6. friction groove; 7. friction plate; 8. placement groove; 9. convenient assembly; 901. convenient lamp group; 902. protective cover; 903. switch; 904. battery; 10. filter layer; 11. sealing ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0023] A reversing valve for an excavator includes a reversing valve body 1, the reversing valve body 1 is of model CJEB, one end of the reversing valve body 1 is provided with four groups of reversing ports 2, a handle 3 is fixedly connected to the surface of the reversing valve body 1, and an anti-slip sleeve 4 is fixedly connected to the surface of the handle 3. The arrangement of the handle 3 and the anti-slip sleeve 4 facilitates the rotation of the reversing valve body 1 when reversing. A lubricating assembly 5 is fixedly connected to the middle of the surface of the reversing valve body 1, and the lubricating assembly 5 includes a fixing ring 501, and the interior of the fixing ring 501 is fixedly connected to the reversing valve. In the middle of the surface of the body 1, friction grooves 6 are provided on both sides of the reversing valve body 1, and friction plates 7 are fixedly connected inside the two groups of friction grooves 6. The setting of the friction plates 7 facilitates the staff to pick up the reversing valve body 1 and prevents the reversing valve body 1 from falling during the picking process. A placement groove 8 is provided on the top of the reversing valve body 1, and a convenient component 9 is fixedly connected inside the placement groove 8. A convenient lamp group 901 is fixedly connected inside the convenient component 9, and the bottom of the convenient lamp group 901 is fixedly connected to the inside of the placement groove 8;

[0024] In this embodiment, preferably, one end of the four groups of reversing ports 2 is fixedly connected to a filter layer 10, and the other end of the four groups of reversing ports 2 is fixedly connected to a sealing ring 11. The arrangement of the filter layer 10 and the sealing ring 11 facilitates the improvement of the practicality of the reversing valve body 1 when in use.

[0025] In this embodiment, preferably, the lubrication assembly 5 further includes a lubrication port 502, the bottom of the lubrication port 502 is connected to the top of the fixing ring 501, and the top of the lubrication port 502 is clamped with a closing block 503. The setting of the lubrication port 502 facilitates the pouring of lubricating oil into the sponge ring 504.

[0026] In this embodiment, preferably, a sponge ring 504 is fixedly connected to the interior of the fixing ring 501, and the interior of the sponge ring 504 is sleeved on the middle part of the surface of the reversing valve body 1. The sponge ring 504 is provided to facilitate lubrication of the rotating area of ​​the reversing valve body 1, thereby improving the convenience of the staff during rotation.

[0027] In this embodiment, preferably, the convenient component 9 further includes a protective cover 902, the surface of the protective cover 902 is fixedly connected to the inner top of the convenient lamp group 901, and one side of the convenient lamp group 901 is electrically connected to a switch 903 through a power cord. The setting of the convenient lamp group 901 facilitates the brightness and makes it easier for the staff to locate;

[0028] In this embodiment, preferably, one end of the switch 903 is electrically connected to the battery 904 through a power cord, the bottom of the switch 903 is fixedly connected to the top of the battery 904, and the bottom of the battery 904 is fixedly connected to one side of the top surface of the reversing valve body 1. Through the setting of the battery 904, it is convenient to increase the power of the convenient lamp group 901.

[0029] When the excavator reversing valve of the present embodiment is in use, the staff first pulls out the closing block 503 by hand, and then allows the lubricating oil to enter the interior of the fixed ring 501 through the lubrication port 502 and merge the lubricating oil with the sponge ring 504 inside the fixed ring 501. Since the interior of the sponge ring 504 is in contact with the reversing rotation area on the surface of the reversing valve body 1, the lubricating oil is attached to the surface of the reversing rotation area of ​​the reversing valve body 1 through the sponge ring 504, thereby achieving a more convenient effect for the staff to perform reversing rotation. The staff first connects the switch 903 to the switch 903 and the battery 904 through the power cord respectively. When the switch 903 is turned on, the battery 904 increases the power, and the convenient light group 901 starts to light up, so that even in a relatively dim environment, the reversing valve body 1 can be quickly found and other operations can be performed, thereby achieving the effect of improving accuracy.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A reversing valve for an excavator, comprising a reversing valve body (1), characterized in that: One end of the reversing valve body (1) is provided with four groups of reversing ports (2); a handle (3) is fixedly connected to the surface of the reversing valve body (1); an anti-slip sleeve (4) is fixedly connected to the surface of the handle (3); a lubricating assembly (5) is fixedly connected to the middle of the surface of the reversing valve body (1); the lubricating assembly (5) comprises a fixing ring (501); the interior of the fixing ring (501) is fixedly connected to the middle of the surface of the reversing valve body (1); friction grooves (6) are provided on both sides of the reversing valve body (1); friction plates (7) are fixedly connected to the interiors of the two groups of friction grooves (6); a placement groove (8) is provided on the top of the reversing valve body (1); a convenient assembly (9) is fixedly connected to the interior of the placement groove (8); a convenient lamp assembly (901) is fixedly connected to the interior of the convenient assembly (9); the bottom of the convenient lamp assembly (901) is fixedly connected to the interior of the placement groove (8).

2. The excavator reversing valve according to claim 1, characterized in that: One end of the interior of the four groups of reversing ports (2) is fixedly connected to a filter layer (10), and the other end of the interior of the four groups of reversing ports (2) is fixedly connected to a sealing ring (11).

3. The excavator reversing valve according to claim 1, characterized in that: The lubrication assembly (5) further comprises a lubrication port (502), the bottom of the lubrication port (502) being connected to the top of the fixing ring (501), and the top of the lubrication port (502) being clamped with a closing block (503).

4. The excavator reversing valve according to claim 3, characterized in that: The interior of the fixing ring (501) is fixedly connected to a sponge ring (504), and the interior of the sponge ring (504) is sleeved on the middle part of the surface of the reversing valve body (1).

5. The excavator reversing valve according to claim 1, characterized in that: The convenient component (9) further comprises a protective cover (902), the surface of which is fixedly connected to the inner top of the convenient light group (901), and one side of the convenient light group (901) is electrically connected to a switch (903) via a power cord.

6. The excavator reversing valve according to claim 5, characterized in that: One end of the switch (903) is electrically connected to a battery (904) via a power line, the bottom of the switch (903) is fixedly connected to the top of the battery (904), and the bottom of the battery (904) is fixedly connected to one side of the top surface of the reversing valve body (1).

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