CN217539157U

CN217539157U - Hydraulic control one-way valve

Info

Publication number: CN217539157U
Application number: CN202122715805.2U
Authority: CN
Inventors: 吴斌; 周维贤
Original assignee: Jiangsu Bogu Intelligent Technology Co ltd
Current assignee: Jiangsu Bogu Intelligent Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-10-04
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a hydraulic control check valve, comprises a valve seat, one side of disk seat bottom is connected with first hydraulic fluid port that connects, and the disk seat bottom is kept away from first one side that connects the hydraulic fluid port and is connected with the second and connects the hydraulic fluid port, the disk seat top is close to the second and connects one side of hydraulic fluid port and be connected with the third and connect the hydraulic fluid port, and the disk seat top is close to first one side that connects the hydraulic fluid port and is connected with the fourth and connect the hydraulic fluid port, first connect hydraulic fluid port and third to connect the intercommunication between the hydraulic fluid port to have first oil pipe, the second connects hydraulic fluid port and fourth to connect the intercommunication to have second oil pipe between the hydraulic fluid port. The utility model discloses a be provided with the spring on the movable plug for when cutting off the power supply suddenly, the piston main part does not receive corresponding extrusion, makes the spring can push down, makes oil-out and oil inlet be in the encapsulated situation, and then realizes the function of hydro-cylinder holding pressure, avoids the hydro-cylinder piston to take place the slippage, and can change the part according to the actual wear condition, avoids needing whole change to increase the maintenance cost.

Description

Hydraulic control one-way valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to liquid accuse check valve.

Background

With the continuous progress of society, more and more mechanical equipment appears in people's daily life and production process, and the drive part is the important component of various mechanical equipment, and the hydro-cylinder is one of them more common, and the hydro-cylinder is called the pneumatic cylinder again, and it is through changing hydraulic pressure energy into the mechanicalness and do work, consequently need carry the oil in the use, just need to use corresponding valve in the transportation to cooperate.

Current hydro-cylinder is in the use, generally drives the oil through electric power and carries, and in the in-service use process, when appearing the condition such as outage suddenly, the oil in the hydro-cylinder appears follow-up pressure inadequately easily and causes the output piston rod landing, and then leads to equipment to lose sufficient holding power, takes place to drop the damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects existing in the prior art, and the hydraulic control one-way valve is provided.

In order to realize the purpose, the utility model adopts the following technical scheme:

the hydraulic control check valve comprises a valve seat, wherein one side of the bottom of the valve seat is connected with a first oil receiving port, one side of the bottom of the valve seat, which is far away from the first oil receiving port, is connected with a second oil receiving port, one side of the top of the valve seat, which is close to the second oil receiving port, is connected with a third oil receiving port, one side of the top of the valve seat, which is close to the first oil receiving port, is connected with a fourth oil receiving port, the first oil receiving port and the third oil receiving port are communicated with each other through a first oil pipe, the second oil receiving port and the fourth oil receiving port are communicated with each other through a second oil pipe, the top of the third oil receiving port is communicated with a third oil pipe, the top of the fourth oil receiving port is communicated with a fourth oil pipe, the middle position of the side of the valve seat, which is close to the first oil receiving port, is connected with an oil inlet, one side of the valve seat, which is close to the second oil receiving port, a first valve body is embedded in one side of the valve seat, a movable mounting groove is reserved in the top of the first valve body, a movable mounting groove is provided with a spring mechanism, and a second plug for extruding a second plug is arranged in the bottom of the movable mounting groove.

Preferably, the section of the movable plug is conical, and the movable plug is in sliding connection with the first valve body.

Preferably, the movable mechanism comprises a piston main body arranged in the mounting groove, and a groove is formed in the outer wall of the piston main body.

Preferably, the cross-sectional shape of the piston main body is cross-shaped, and the piston main body and the mounting groove form a relative sliding structure.

Preferably, adjustment mechanism is including setting up the screw rod in the inside bottom of second mounting groove, and the screw rod extends to the inside in T type groove, the second through-hole has been seted up on the top of screw rod.

Preferably, the bottom and the spring laminating of screw rod, and the screw rod is threaded connection with corresponding first valve body and second valve body respectively.

Compared with the prior art, the utility model, its beneficial effect does:

1. through being provided with the spring on the activity choke plug for when cutting off the power supply suddenly, the piston main part does not receive corresponding extrusion, makes the spring can push down, makes oil-out and oil inlet be in the encapsulated situation, and then realizes the function of hydro-cylinder holding pressure, avoids the hydro-cylinder piston to take place the slippage.

2. Through first valve body and second valve body and with the hydro-cylinder main part between can independently carry out the dismouting respectively, and then operating personnel can change one of them group or multiunit according to the actual wear condition, avoid needing the whole change to increase the maintenance cost.

Drawings

Fig. 1 is a schematic view of a front cross-sectional structure of a hydraulic control check valve provided by the present invention;

fig. 2 is an enlarged schematic structural view of a point a of fig. 1 according to the present invention.

In the figure: the oil cylinder comprises a valve seat 1, a first oil receiving port 2, a second oil receiving port 3, a third oil receiving port 4, a fourth oil receiving port 5, a first oil pipe 6, a second oil pipe 7, a third oil pipe 8, a fourth oil pipe 9, an oil outlet 10, an oil inlet 11, a first valve body 12, a second valve body 13, a first through hole 14, a T-shaped groove 15, a movable plug 16, a spring 17, an installation groove 18, a piston main body 19, a groove 20, a second installation groove 21, a screw 22, a second through hole 23, a cylinder main body 24 and a cylinder piston 25.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from the embodiments described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-2, the hydraulic control check valve includes a valve seat 1, a first oil receiving port 2 is connected to one side of the bottom of the valve seat 1, a second oil receiving port 3 is connected to one side of the bottom of the valve seat 1, which is far away from the first oil receiving port 2, a third oil receiving port 4 is connected to one side of the top of the valve seat 1, which is near to the second oil receiving port 3, a fourth oil receiving port 5 is connected to one side of the top of the valve seat 1, which is near to the first oil receiving port 2, a first oil pipe 6 is communicated between the first oil receiving port 2 and the third oil receiving port 4, a second oil pipe 7 is communicated between the second oil receiving port 3 and the fourth oil receiving port 5, a third oil pipe 8 is communicated with the top of the third oil receiving port 4, a fourth oil pipe 9 is communicated with the top of the fourth oil receiving port 5, an oil cylinder main body 24 is communicated with one ends of the third oil pipe 8 and the fourth oil pipe 9, which are far away from the valve seat 1, and an oil cylinder piston 25 penetrates through the inside of the oil cylinder main body 24;

an oil outlet 10 is connected to the middle position of one side of the valve seat 1 close to the first oil receiving port 2, an oil inlet 11 is connected to the middle position of one side of the valve seat 1 close to the second oil receiving port 3, a first valve body 12 is embedded in one side of one end of the valve seat 1 close to the oil outlet 10, a second valve body 13 is embedded in one side of one end of the valve seat 1 close to the first valve body 12, which is far away from the oil outlet 10, first through holes 14 are formed in the middle positions of one sides of the first valve body 12 and the second valve body 13, a T-shaped groove 15 is reserved at the top inside of each first through hole 14, a movable plug 16 is arranged inside each T-shaped groove 15, a spring 17 is installed at the top of each movable plug 16, the section of each movable plug 16 is conical, the movable plugs 16 are in sliding connection with the first valve body 12, so that when oil enters the first through holes 14 in the second valve body 13 through the oil inlets 11, the corresponding movable plugs 16 can be pushed open, and the oil inlets 11 are opened;

the bottom inside the first through hole 14 is provided with a mounting groove 18, a moving mechanism for extruding the movable plug 16 is arranged inside the mounting groove 18, the moving mechanism comprises a piston main body 19 arranged inside the mounting groove 18, the outer wall of the piston main body 19 is provided with a groove 20, the cross section of the piston main body 19 is in a cross shape, and the piston main body 19 and the mounting groove 18 form a relative sliding structure, so that after oil enters the first oil receiving port 2 through the first oil pipe 6, the corresponding piston main body 19 on the first valve body 12 can be extruded, the piston main body 19 pushes away the corresponding movable plug 16, and further, redundant oil in the oil cylinder main body 24 can flow back to the oil tank through the fourth oil pipe 9 and the oil outlet 10;

second mounting groove 21 has all been seted up at first valve body 12 and second valve body 13's top, the inside of second mounting groove 21 is provided with and is used for carrying out extruded adjustment mechanism to spring 17, adjustment mechanism is including setting up the screw rod 22 in the inside bottom of second mounting groove 21, and screw rod 22 extends to the inside in T type groove 15, second through-hole 23 has been seted up on the top of screw rod 22, the bottom and the laminating of spring 17 of screw rod 22, and screw rod 22 is threaded connection with corresponding first valve body 12 and second valve body 13 respectively, make operating personnel can change the compression degree that corresponds spring 17 through twisting screw rod 22, and then required pressure value when adjusting oil inlet 11 and opening.

The utility model discloses during the use, as shown in fig. 1-2, the one end of keeping away from disk seat 1 with third oil pipe 8 and fourth oil pipe 9 communicates the position department that corresponds on hydro-cylinder main part 24 respectively, it extrudes movable end cap 16 to drive spring 17 through adjusting screw 22, make spring 17 implement sealed task, when leading to oil the use, the oil passes through oil inlet 11 and gets into in the first through-hole 14 on the second valve body 13, push away movable end cap 16 on the second valve body 13, when movable end cap 16 gets into the inside enlargement part that corresponds T type groove 15, the oil gets into through this group T type groove 15 and corresponds in the second through-hole 23 on the screw 22, and further get into the inside that the third connects hydraulic fluid port 4, the oil passes through the third oil pipe 8 that connects on hydraulic fluid port 4 and gets into the inside of hydro-cylinder main part 24, make hydro-cylinder piston 25 produce the activity and do work, part of oil gets into the inside that first oil connects hydraulic fluid port 2 through first oil pipe 6 simultaneously, further get into in the mounting groove 18 on the first valve body 12 through first oil port 2, upwards extrude the hydro-cylinder with piston main part 19, make oil pipe 10 opened in the oil pipe, the unnecessary oil pipe main part 24, the oil through the inside of first valve body 9, the oil gets into oil return flow to the oil-out, the oil-out 10.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The hydraulic control one-way valve comprises a valve seat (1), and is characterized in that one side of the bottom of the valve seat (1) is connected with a first oil receiving port (2), one side of the bottom of the valve seat (1), which is far away from the first oil receiving port (2), is connected with a second oil receiving port (3), one side of the top of the valve seat (1), which is close to the second oil receiving port (3), is connected with a third oil receiving port (4), one side of the top of the valve seat (1), which is close to the first oil receiving port (2), is connected with a fourth oil receiving port (5), a first oil pipe (6) is communicated between the first oil receiving port (2) and the third oil receiving port (4), a second oil pipe (7) is communicated between the second oil receiving port (3) and the fourth oil receiving port (5), the top of the third oil pipe (8) is communicated with a fourth oil pipe (9), one side of the valve seat (1), which is close to the first oil receiving port (2), one side of the valve body (1), which is close to the second oil receiving port (3), one side of the valve body (12), which is close to the first oil receiving port (10), and one side of the valve body (12) is arranged on which is close to the first valve body (12), first through-hole (14) have all been seted up to the intermediate position department of first valve body (12) and second valve body (13) one side, and the inside top of first through-hole (14) has reserved T type groove (15), the inside in T type groove (15) is provided with movable end cap (16), and the top of activity end cap (16) installs spring (17), mounting groove (18) have been seted up to the inside bottom of first through-hole (14), the inside of mounting groove (18) is provided with and is used for carrying out extruded moving mechanism to activity end cap (16), second mounting groove (21) have all been seted up at the top of first valve body (12) and second valve body (13), the inside of second mounting groove (21) is provided with and is used for carrying out extruded adjustment mechanism to spring (17).

2. The pilot operated check valve according to claim 1, characterized in that the cross-sectional shape of the movable plug (16) is conical, and the movable plug (16) is slidably connected with the first valve body (12).

3. Pilot operated check valve according to claim 1, characterized in that the moving means comprise a piston body (19) arranged inside the mounting groove (18), and the outer wall of the piston body (19) is provided with a recess (20).

4. The pilot-controlled check valve according to claim 3, characterized in that the cross-sectional shape of the piston main body (19) is cross-shaped, and the piston main body (19) and the mounting groove (18) form a relative sliding structure.

5. The pilot-controlled check valve as recited in claim 1, wherein the adjusting mechanism comprises a screw rod (22) disposed at the bottom inside the second mounting groove (21), the screw rod (22) extends into the T-shaped groove (15), and a second through hole (23) is opened at the top end of the screw rod (22).

6. The pilot-operated check valve according to claim 5, characterized in that the bottom end of the screw (22) is attached to the spring (17), and the screw (22) is in threaded connection with the corresponding first valve body (12) and the second valve body (13).