Valve block capable of independently adjusting output pressure of multiple oil ways

Abstract

The utility model belongs to the technical field of hydraulic valve blocks, and particularly relates to a valve block capable of independently adjusting output pressure of multiple oil ways, which comprises a valve block body, a main flow channel, a branch flow channel, an oil outlet flow channel and a pressure relief flow channel are respectively arranged in the valve block body, a first oil inlet hole is arranged on the lower end face of the valve block body and communicated with the main flow channel through the oil inlet flow channel, and a second oil inlet hole is arranged on the lower end face of the valve block body. One side of the main flow channel is connected with a plurality of branch flow channels, the other ends of the branch flow channels are provided with second oil inlet holes, the second oil inlet holes are located in the upper end face of the valve block body, the upper end face of the valve block body is further provided with first oil outlet holes, and the upper end face of the valve block body is provided with an electromagnetic valve. According to the utility model, each branch runner can be respectively controlled to be opened and closed, and the pressure of the oil outlet runner corresponding to each branch runner can be respectively adjusted through the pressure adjusting valve, so that the hydraulic tool with different working hydraulic pressures can be adapted by adjusting the oil pressure of the outlet oil according to actual use requirements, the adjustment is convenient, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic valve block technical field especially valve block of pressure of many oil circuit output can be individually adjusted. BACKGROUND

[0002] Hydraulic station is a common hydraulic working device, the basic principle is as follows: through the hydraulic pump work, produce high pressure hydraulic oil, and transmit the hydraulic oil to the hydraulic tool that needs, hydraulic tool movement and carry out work, work is completed, the hydraulic oil backflow to the hydraulic station, the hydraulic oil that the hydraulic station flows often controls the size of flow, flow rate and pressure that enter the hydraulic tool through the hydraulic switch, the structure of existing hydraulic switch is simple, often can only play the effect of opening and closing, cannot adjust the flow and pressure of hydraulic oil that enter the hydraulic tool. CONTENT

[0003] The utility model discloses a valve block of pressure of many oil circuit output can be individually adjusted, through pressure regulating valve, solve the problem that oil pressure in oil circuit cannot be individually adjusted.

[0004] The utility model discloses a valve block of pressure of many oil circuit output can be individually adjusted, including valve block body, the main flow passage, shunt, oil outlet flow passage and pressure relief flow passage are set up respectively in valve block body, the lower end surface of valve block body sets up oil inlet hole no.

[0005] Preferably, the oil inlet flow passage is provided with a one-way valve.

[0006] Preferably, the outer end of the main flow passage and the shunt is provided with a plug.

[0007] Preferably, the upper end surface of the valve block body is further provided with a pressure relief hole.

[0008] Preferably, one end of the oil outlet flow passage is connected with an oil outlet hole no.

[0009] Preferably, the lower end surface of the valve block body is respectively provided with a plurality of oil tank fixing holes for connecting the oil tank.

[0010] Preferably, one end of the oil outlet hole one is formed with a branch flow channel, and the side wall of the branch flow channel is respectively communicated with an oil outlet flow channel and a pressure relief flow channel.

[0011] Preferably, the upper end surface of the valve block body is respectively provided with a plurality of electromagnetic valve block group fixing holes for connecting the electromagnetic valve block group.

[0012] Preferably, one end of the oil outlet hole one is formed with a branch flow channel, and the side wall of the branch flow channel is respectively communicated with an oil outlet flow channel and a pressure relief flow channel.

[0013] Preferably, the pressure regulating valve comprises an adjusting screw, a pressure spring and a steel ball, the adjusting screw is screwed in the pressure relief flow channel, one end of the adjusting screw is provided with the pressure spring, the other end of the pressure spring is provided with the steel ball, and the steel ball is kept moving towards the side close to the blockage of the pressure relief flow channel.

[0014] Compared with the prior art, the utility model has the following prominent and beneficial technical effects:

[0015] The utility model discloses a design of the electromagnetic valve block group can control the on-off of each branch flow channel respectively, and the pressure regulating valve can adjust the pressure of the oil outlet flow channel corresponding to each branch flow channel respectively, so that the oil pressure of the oil outlet can be adjusted according to actual use demand, and the utility model is suitable for hydraulic tools with different working hydraulic pressures, convenient to adjust, and has a wide range of application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the utility model is shown Figure 1 .

[0017] Figure 2 The structure of the valve block body is shown Figure 2 .

[0018] Figure 3 The structure of the valve block body is shown Figure 3 .

[0019] Figure 4 The rear side structure of the valve block body is shown.

[0020] Figure 5 The structure of the utility model is shown Figure 4 A-A is shown in the structure section view.

[0021] Figure 6 The structure of the utility model is shown Figure 4 B-B is shown in the structure section view.

[0022] Figure 7 The structure of the utility model is shown Figure 4Structure sectional view at C-C.

[0023] Figure 8 Structure view of front side of valve block body.

[0024] Figure 9 Structure view of front side of valve block body. Figure 8 Structure sectional view at D-D.

[0025] Figure 10 Structure view of front side of valve block body.

[0026] Figure 11 Structure sectional view of valve block body.

[0027] Figure 12 Structure view of front side of valve block body.

[0028] Figure 13 Structure sectional view of valve block body.

[0029] Figure 14 Structure view of front side of valve block body.

[0030] Figure 15 Structure sectional view of valve block body.

[0031] Figure 16 Structure view of front side of valve block body.

[0032] Figure 17 Structure sectional view of valve block body.

[0033] Reference numerals: 1 - valve block body; 2 - main flow channel; 3 - branch flow channel; 4 - oil outlet flow channel; 5 - pressure relief flow channel; 6 - oil inlet hole one; 7 - oil inlet flow channel; 8 - oil inlet hole two; 9 - oil outlet hole one; 10 - electromagnetic valve block group; 11 - pressure regulating valve; 12 - overflow hole; 13 - check valve; 14 - plug; 15 - pressure relief hole; 16 - oil outlet hole two; 17 - connecting joint; 18 - pressure gauge; 19 - oil tank fixing hole; 20 - electromagnetic valve block group fixing hole; 21 - branch flow channel; 22 - adjusting screw; 23 - pressure spring; 24 - steel ball; 25 - pressure measuring flow channel; 26 - connecting elbow. DETAILED DESCRIPTION

[0034] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0035] As Figures 1-17As shown, a valve block capable of individually adjusting multiple oil paths output pressure, comprising a valve block body 1, a main flow channel 2, a branch flow channel 3, an oil outlet flow channel 4 and a pressure relief flow channel 5 are respectively arranged in the valve block body 1, an oil inlet hole one 6 is arranged at the lower end surface of the valve block body 1 and is used for being connected with an oil tank, the oil inlet hole one 6 is communicated with the main flow channel 2 through an oil inlet flow channel 7, a plurality of branch flow channels 3 are connected to one side of the main flow channel 2, an oil inlet hole two 8 is arranged at the other end of the branch flow channel 3, the oil inlet hole two 8 is arranged at the upper end surface of the valve block body 1, an oil outlet hole one 9 is arranged at the upper end surface of the valve block body 1, an electromagnetic valve block group 10 is arranged at the upper end surface of the valve block body 1, oil enters the electromagnetic valve block group 10 through the oil inlet hole two 8 and then enters the oil outlet hole one 9 under the control of the electromagnetic valve block group 10, the electromagnetic valve block group 10 is used for controlling the on-off of the oil path between the oil inlet hole two 8 and the oil outlet hole one 9, so as to control the on-off of each branch flow channel 3, one end of the oil outlet hole one 9 is communicated with the oil outlet flow channel 4 and the pressure relief flow channel 5, a pressure regulating valve 11 is arranged in the pressure relief flow channel 5, and an overflow hole 12 is arranged on the side wall of the pressure relief flow channel 5.

[0036] The design of the electromagnetic valve block group 10 can control the on-off of each branch flow channel 3, and the pressure regulating valve 11 can adjust the pressure of the corresponding oil outlet flow channel 4 of each branch flow channel 3, so that the oil pressure of the oil outlet can be adjusted according to actual use requirements, the hydraulic tool suitable for different working hydraulic pressures is convenient to adjust and has a wide application range.

[0037] The valve block body 1 in the utility model can produce valve bodies with different numbers of oil outlet holes two 16 according to actual use requirements, Figures 10-17 As shown, the valve block body 1 has two, four, five and six oil outlet holes two 16, respectively, and two, four, five and six branch flow channels 3 are arranged correspondingly, so that different numbers of hydraulic tools can be matched and used at the same time.

[0038] A one-way valve 13 is arranged in the oil inlet flow channel 7, which can prevent oil from flowing backward and keep the oil flowing in one direction.

[0039] A plug 14 is arranged at the outer end of the main flow channel 2 and the branch flow channel 3, which plays a sealing role in the machining hole and prevents oil leakage.

[0040] The upper end surface of the valve block body 1 is also provided with a pressure relief hole 15, which is used for relieving the hydraulic resistance generated when the electromagnetic valve is turned on and off.

[0041] One end of the oil outlet flow channel 4 is connected with an oil outlet hole two 16, the oil outlet hole two 16 is located on the front side of the valve block body 1, a connecting joint 17 is installed at the oil outlet hole two 16, a pressure gauge 18 is installed on the connecting joint 17, or an oil pressure measuring flow channel 25 is communicated with one side of the oil outlet flow channel 4, the oil outlet flow channel 4 is usually located on both sides of the valve block body 1, one end of the oil pressure measuring flow channel 25 extends to the left and right side walls of the valve block body 1 and is provided with a connecting elbow 26, and the pressure gauge 18 is installed on the connecting elbow 26, so that the pressure gauge 18 is installed on both sides of the valve block body 1, the occupied space on the front side of the valve block is reduced, and the oil pressure in the oil outlet flow channel 4 is displayed in real time, so that the oil pressure is adjusted by the pressure regulating valve 11.

[0042] A plurality of oil tank fixing holes 19 for connecting oil tanks are formed in the lower end surface of the valve block body 1.

[0043] A plurality of electromagnetic valve block group fixing holes 20 for connecting the electromagnetic valve block group 10 are formed in the upper end surface of the valve block body 1.

[0044] One end of the oil outlet hole one 9 is formed with a branch flow channel 21, and the branch flow channel 21 is communicated with the oil outlet flow channel 4 and the pressure relief flow channel 5.

[0045] The pressure regulating valve 11 comprises an adjusting screw 22, a pressure spring 23 and a steel ball 24, the adjusting screw 22 is screwed in the pressure relief flow channel 5, the pressure spring 23 is arranged on the outer periphery of one end of the adjusting screw 22, the other end of the pressure spring 23 is provided with the steel ball 24, and the steel ball 24 is kept moving to the side close to the blockage of the pressure relief flow channel 5, in the actual working process, after the adjusting screw 22 is rotated clockwise, the adjusting screw 22 can move to the side close to the pressure spring 23, so as to compress the pressure spring 23, and the steel ball 24 is kept more closely attached in the oil hole, so as to increase the oil pressure in the oil outlet flow channel 4, and after the adjusting screw 22 is rotated counterclockwise, the adjusting screw 22 can move to the side away from the pressure spring 23, when the oil pressure in the oil outlet flow channel 4 exceeds the spring force, part of the oil will flow out through the overflow hole 12, so as to reduce the oil pressure in the oil outlet flow channel 4.

[0046] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A valve block whose output pressure can be individually adjusted for multiple oil circuits, characterized in that, The utility model provides a valve block, including valve block body (1), the main flow channel (2), branch flow channel (3), oil outlet flow channel (4) and pressure relief flow channel (5) are set up respectively in valve block body (1), the lower end surface of valve block body (1) is set up and goes into the oil hole one (6), and the oil hole one (6) is communicated with the main flow channel (2) through the oil inlet flow channel (7), the one side of main flow channel (2) is connected with a plurality of branch flow channel (3), and the other end of branch flow channel (3) is provided with the oil hole two (8), and the oil hole two (8) is located the upper end surface of valve block body (1), and the upper end surface of valve block body (1) is also provided with the oil outlet hole one (9), and the upper end surface of valve block body (1) is installed with solenoid valve block group (10), and solenoid valve block group (10) is used to control the oil circuit on-off between oil hole two (8) and oil outlet hole one (9), and one end of oil outlet hole one (9) is communicated with oil outlet flow channel (4) and pressure relief flow channel (5), and pressure regulating valve (11) is arranged in pressure relief flow channel (5), and overflow hole (12) is set up on the lateral wall of pressure relief flow channel (5).

2. The valve block of claim 1, wherein: The one-way valve (13) is installed in the oil inlet flow channel (7).

3. The valve block of claim 1, wherein: The outer end of the main flow channel (2) and the branch flow channel (3) is installed with the plug (14).

4. The valve block of claim 1, wherein: The upper end surface of the valve block body (1) is also provided with a pressure relief hole (15).

5. The valve block of claim 1, wherein: One end of the oil outlet flow channel (4) is connected with the oil outlet hole two (16), which is located on the front side of the valve block body (1). A connection joint (17) is installed at the oil outlet hole two (16). A pressure gauge (18) is installed on the connection joint (17). A pressure measuring flow channel (25) is connected to one side of the oil outlet flow channel 4. One end of the pressure measuring flow channel (25) extends to the left and right side walls of the valve block body (1) and is installed with a connection elbow (26). The pressure gauge (18) is installed on the connection elbow (26).

6. The valve block of claim 1, wherein: The lower end surface of the valve block body (1) is provided with a plurality of oil tank fixing holes (19) for connecting the oil tank.

7. The valve block of claim 1, wherein: The upper end surface of the valve block body (1) is provided with a plurality of solenoid valve block group fixing holes (20) for connecting the solenoid valve block group (10).

8. The valve block of claim 1, wherein: One end of the oil outlet hole one (9) is formed with a branch flow channel (21). The lateral wall of the branch flow channel (21) is communicated with the oil outlet flow channel (4) and the pressure relief flow channel (5).

9. The valve block of claim 1, wherein: The pressure regulating valve (11) includes an adjusting screw (22), a pressure spring (23), and a steel ball (24). The adjusting screw (22) is screwed into the pressure relief flow channel (5). The pressure spring (23) is arranged on the outer periphery of one end of the adjusting screw (22). The other end of the pressure spring (23) is provided with a steel ball (24), which tends to move closer to the side of the pressure relief flow channel (5).

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