CN216714861U - Split type multi-way valve for mini excavator - Google Patents

Abstract

The utility model relates to the technical field of multi-way valves and discloses a split multi-way valve for a small excavator, which comprises a main valve body, wherein square grooves are formed in two sides of the main valve body at equal intervals, a first valve hole is formed in each square groove, the inner part of the first valve hole is movably sleeved with a one-way valve, the front and the back of the inner wall of the square groove are both provided with clamping grooves, the inner part of the square groove is movably sleeved with a fixed block, the inner part of the fixed block is movably sleeved with two buckling components, the clamping grooves of the inner wall of the square groove are all clamped with the buckling components, the buckling components are clamped in the clamping grooves of the inner wall of the square groove, the one-way valve is firstly inserted into the first valve hole in the square groove, and then the fixed block is inserted into the square groove, thereby make inside card of fixed block go into inside the square groove inner wall draw-in groove to make the check valve fixed in a valve opening inside, the trip extrudees mutually with the edge of square groove mutually and makes the trip promote the inside displacement of fly leaf at the fixed block.

Description

Split type multi-way valve for mini excavator

Technical Field

The utility model relates to the technical field of multi-way valves, in particular to a split type multi-way valve for a small excavator.

Background

The multiway valve is an important part in crude oil extraction equipment, a plurality of oil ports are arranged on the multiway valve, the principle working valve plates are arranged in groups, a three-way pressure compensation bypass overflow valve is arranged in an inlet valve block, and when the multiway valve stops operating and all the valves are in the middle position, the multiway valve bypasses the flow of a main oil way by compensation pressure.

The device according to the prior art has some disadvantages in installation:

firstly, in the assembly of the device, the one-way valves are required to be arranged on two sides of the main valve body, and the one-way valves are required to be fixed by four screws in the installation process, and because the number of the one-way valves is large, a large amount of time is required in the installation process, and the time is long;

secondly, in the assembly of the device, the valve core needs to be installed on the front face of the main valve body, the single valve core is inserted into the inside of the second valve hole on the front face of the main valve body in the installation process, the screw holes need to be aligned in the operation process when the single valve core is fixed through a single screw, and the mode is time-consuming and labor-consuming in the installation of a plurality of valve cores.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a split type multi-way valve for a mini excavator, which solves the problems in the prior art.

The utility model provides the following technical scheme: a split type multi-way valve for a small excavator comprises a main valve body, square grooves are formed in the two sides of the main valve body at equal intervals, a first valve hole is formed in the square groove, a one-way valve is movably sleeved in the first valve hole, clamping grooves are formed in the front and the back of the inner wall of the square groove, a fixed block is movably sleeved in the square groove, two buckle assemblies are movably sleeved in the fixed block, the buckle assemblies are clamped in the clamping grooves in the inner wall of the square groove, a second valve hole is formed in the front of the main valve body at equal intervals, a valve core sleeve is movably sleeved in the second valve hole, an inner valve core is fixedly sleeved in the valve core sleeve, a fixed sleeve assembly is movably sleeved on the side wall of the valve core sleeve, the side wall of the fixed sleeve assembly is fixedly sleeved with the inner wall of the second valve hole, and the device is favorable for assembly, the check valve is fixed without screws, so that a large amount of assembly time is spent, the installation process is simpler and more efficient, the installation speed of the check valve is increased, and the assembly efficiency of the check valve is improved.

Further, the buckle subassembly is including first spring, the one end of first spring is located the inside fixedly connected with fly leaf of fixed block, one side of fly leaf is close to back fixedly connected with and turns round the piece, one side of fly leaf is close to positive fixedly connected with trip, the trip has the piece of turning round to run through the fixed block, the other end of first spring and the inner wall fixed connection of fixed block, through promoting the fixed block, the trip extrudees mutually with square groove's edge and makes the trip promote the inside displacement of fly leaf at the fixed block, and the inside of fixed block is gone into to the fly leaf retraction, when the trip is located square groove inner wall draw-in groove position, makes the trip card go into inside the fixed block of messenger's draw-in groove valve opening and make the check valve fixed block fixed in that the valve opening is inside No. one through the elasticity of first spring.

Further, fixed cover subassembly is including the urceolus, the inner wall of urceolus is seted up the ring channel that quantity position is two, and the bearing has all been cup jointed in the activity of its ring channel inside, the loop line recess has been seted up to the lateral wall of case cover, and the urceolus has been cup jointed in the activity of its ring channel inside, the lateral wall ring groove inside wall fixedly connected with bearing of case cover makes the rigidity of urceolus through case cover lateral wall ring channel, prevents the skew, makes the urceolus at rotatory in-process through the connection of bearing, makes the frictional force of urceolus and case cover reduce.

Furthermore, trip and fixed block clearance fit, turn round piece and fixed block clearance fit, the length of turning round the piece is greater than the length of trip, makes to promote to turn round the piece and drive the fly leaf displacement and make the frictional force when the trip gets into the inside of fixed block reduce, and is more laborsaving, can guarantee when pressing to turn round the piece that the trip gets into the inside of fixed block completely.

Further, the lateral wall of urceolus is close to the back end and has seted up the screw thread, the inner wall of No. two valve openings has seted up the thread groove, and its thread groove and urceolus lateral wall screw thread looks adaptation make fixed cover subassembly and the inner wall of No. two valve openings carry out threaded connection through the fixed cover subassembly of rotation, have guaranteed the firm shape of connecting, with the gas tightness.

Further, one side fixedly connected with button threaded shaft of fly leaf, button threaded shaft runs through the fixed block, square hole has been seted up at the middle part of fly leaf, and the inside activity of its square hole has cup jointed the fixed column, the both ends fixedly connected with fixed block of fixed column, the lateral wall of fixed column is located the opposite side activity of fly leaf and has cup jointed the second spring, can promote the fly leaf displacement through pressing button threaded shaft and drive the inside that the trip got into the fixed block, can prevent through the shape of fixed column that the fly leaf from taking place angular deflection at the displacement in-process, can resume the position of trip through the second spring.

Further, one side of the movable plate is close to the back of the movable plate and is provided with a threaded hole, a button threaded shaft is movably sleeved on the inner wall of the movable hole, the button threaded shaft penetrates through the fixed block, the movable plate can be controlled to move by rotating the button threaded shaft, so that the clamping hook is driven to enter the inside of the fixed block, and the clamping hook is reset by reversely rotating the button threaded shaft.

The utility model has the technical effects and advantages that:

1. during assembly, the check valve is firstly inserted into the first valve hole in the square groove, and then the fixed block is inserted into the square groove, so that the inside of the fixed block is clamped into the clamping groove on the inner wall of the square groove, so that the check valve is fixed in the first valve hole, in the process, the clamping hook is extruded with the edge of the square groove by pushing the fixed block, so that the clamping hook pushes the movable plate to move in the fixed block, the movable plate retracts into the inside of the fixed block, when the clamping hook is positioned in the clamping groove on the inner wall of the square groove, the clamping hook is clamped into the clamping groove by the elasticity of the first spring, so that the fixed block fixes the check valve in the first valve hole, when the check valve is disassembled, the movable plate moves by pressing the button block to drive the clamping hook to enter the inside of the fixed block, the fixed block is pulled out, and the device is favorable for assembly without screws to spend a large amount of assembly time, the installation process is simpler and more efficient, so that the installation speed of the check valve is increased, and the assembly efficiency of the device is improved.

2. In the process of assembling the valve core, the inner valve core is inserted into the valve core sleeve, the valve core sleeve is inserted into the second valve hole on the front surface of the main valve body, the fixing sleeve component is in threaded connection with the inner wall of the second valve hole by rotating the fixing sleeve component, the position of the outer cylinder is fixed by the annular groove on the side wall of the valve core sleeve in the rotating process of the fixing sleeve component, the deviation is prevented, the friction force between the outer cylinder and the valve core sleeve is reduced in the rotating process of the outer cylinder by the connection of the bearing, the device is favorable for the single valve core to be inserted into the second valve hole on the front surface of the main valve body in the assembling process, and the single valve core does not need to be fixed by a single screw, so that the problem that screw holes need to be aligned in the operation is avoided, and the installation of a plurality of valve cores is more time-saving and labor-saving.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the overall structure of the present invention.

Fig. 3 is a schematic structural view of the buckle assembly of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the fastening sleeve assembly of fig. 2 according to the present invention.

Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.

FIG. 6 is a schematic diagram of a third structure according to an embodiment of the present invention.

The reference signs are: 1. a main valve body; 2. a second valve hole; 3. a valve core sleeve; 4. a square groove; 5. a fixed block; 6. a buckle assembly; 601. a first spring; 602. a movable plate; 603. a hook is clamped; 604. twisting the block; 7. a one-way valve; 8. a fixed sleeve assembly; 801. an outer cylinder; 802. a bearing; 9. an inner valve core; 10. fixing a column; 11. a second spring; 12. a button threaded shaft.

Detailed Description

The present invention will be described more fully with reference to the accompanying drawings, and the embodiments of the present invention are merely examples, and the divided multi-way valve for a mini-excavator according to the present invention is not limited to the embodiments described below, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

The first embodiment is as follows: referring to fig. 1 and 2, the utility model provides a split type multi-way valve for a small excavator, which comprises a main valve body 1, square grooves 4 are equidistantly arranged on two sides of the main valve body 1, a first valve hole is arranged inside the square groove 4, a one-way valve 7 is movably sleeved inside the first valve hole, clamping grooves are respectively arranged on the front side and the back side of the inner wall of the square groove 4, a fixed block 5 is movably sleeved inside the square groove 4, two clamping components 6 are movably sleeved inside the fixed block 5, the clamping grooves on the inner wall of the square groove 4 are respectively clamped with the clamping components 6, the clamping components 6 are clamped inside the clamping grooves on the inner wall of the square groove 4, the front side of the main valve body 1 is equidistantly arranged with a second valve hole 2, a valve core sleeve 3 is movably sleeved inside the second valve hole 2, an inner valve core 9 is fixedly sleeved inside the valve core sleeve 3, and a fixed sleeve component 8 is movably sleeved on the side wall of the valve core sleeve 3, the fixed lateral wall of cover subassembly 8 cup joints with the inner wall of No. two valve openings 2 is fixed, is favorable to the device in the equipment, need not adopt the screw to fix it and spend a large amount of equipment time, makes the installation simpler, the high efficiency to improve the installation rate of check valve, made the packaging efficiency improvement of device.

Referring to fig. 3, the fastening assembly 6 includes a first spring 601, one end of the first spring 601 is located inside a fixedly connected movable plate 602 of the fixed block 5, one side of the movable plate 602 is close to a back fixedly connected with torsion block 604, one side of the movable plate 602 is close to a front fixedly connected with a hook 603, the hook 603 has a torsion block 604 penetrating through the fixed block 5, the other end of the first spring 601 is fixedly connected with an inner wall of the fixed block 5, by pushing the fixed block 5, the hook 603 pushes the edge of the square groove 4 to push the hook 603 to push the movable plate 602 to displace inside the fixed block 5, the movable plate 602 retracts into the inside of the fixed block 5, when the hook 603 is located in the inner wall of the square groove 4, the hook 603 is clamped inside the slot by the elastic force of the first spring 601 to enable the fixed block 5 to fix the check valve 7 inside the first valve hole.

Referring to fig. 4, the fixing sleeve assembly 8 includes an outer cylinder 801, the inner wall of the outer cylinder 801 is provided with two annular grooves, the inner parts of the annular grooves are movably sleeved with bearings 802, the side wall of the valve core sleeve 3 is provided with a circular groove, the inner part of the annular groove is movably sleeved with the outer cylinder 801, the inner side wall of the annular groove of the side wall of the valve core sleeve 3 is fixedly connected with the bearings 802, the position of the outer cylinder 801 is fixed through the annular groove of the side wall of the valve core sleeve 3, so as to prevent deviation, and the friction between the outer cylinder 801 and the valve core sleeve 3 is reduced in the rotating process through the connection of the bearings 802.

Referring to fig. 3, the hook 603 is in clearance fit with the fixed block 5, the torsion block 604 is in clearance fit with the fixed block 5, and the length of the torsion block 604 is greater than that of the hook 603, so that the friction force generated when the torsion block 604 is pushed to drive the movable plate 602 to move to enable the hook 603 to enter the fixed block 5 is reduced, the labor is saved, and the hook 603 can be ensured to completely enter the fixed block 5 when the torsion block 604 is pushed.

Referring to fig. 4, one side fixedly connected with button threaded shaft 12 of fly leaf 602, button threaded shaft 12 runs through fixed block 5, square hole has been seted up at the middle part of fly leaf 602, fixed column 10 has been cup jointed in the inside activity of its square hole, the both ends fixedly connected with fixed block 5 of fixed column 10, the opposite side activity that the lateral wall of fixed column 10 is located fly leaf 602 has been cup jointed second spring 11, make fixed sleeve subassembly 8 and the inner wall of No. two valve openings 2 carry out threaded connection through rotatory fixed sleeve subassembly 8, the firm shape of connection has been guaranteed, with the gas tightness.

The working principle of the first embodiment of the utility model is as follows: firstly, the check valve 7 is inserted into a first valve hole in the square groove 4, then the fixed block 5 is inserted into the square groove 4, so that the inside of the fixed block 5 is clamped into a clamping groove in the inner wall of the square groove 4, the check valve 7 is fixed in the first valve hole, in the process, the clamping hook 603 and the edge of the square groove 4 are extruded by pushing the fixed block 5, the clamping hook 603 pushes the movable plate 602 to move in the fixed block 5, the movable plate 602 retracts into the inside of the fixed block 5, when the clamping hook 603 is located in the clamping groove in the inner wall of the square groove 4, the clamping hook 603 is clamped into the clamping groove through the elasticity of the first spring 601, so that the fixed block 5 fixes the check valve 7 in the first valve hole, and when the check valve is disassembled, the movable plate 602 moves by pressing the button block 604 to drive the clamping hook 603 to enter the inside of the fixed block 5, and the fixed block 5 is pulled out;

through inserting the inside of case cover 3 with internal valve core 9, inserting case cover 3 inside the positive No. two valve openings 2 of main valve body 1, make fixed cover subassembly 8 and No. two inner walls of valve opening 2 carry out threaded connection through rotatory fixed cover subassembly 8, the rotatory in-process of fixed cover subassembly 8, make the position of urceolus 801 fixed through case cover 3 lateral wall annular groove, prevent the skew, make urceolus 801 in the rotatory in-process through the connection of bearing 802, make the frictional force of urceolus 801 and case cover 3 reduce.

Example two:

referring to fig. 5, one side of the movable plate 602 is fixedly connected with a button threaded shaft 12, the button threaded shaft 12 penetrates through the fixed block 5, a square hole is formed in the middle of the movable plate 602, the fixed column 10 is movably sleeved in the square hole, the fixed blocks 5 are fixedly connected to two ends of the fixed column 10, the second spring 11 is movably sleeved on the other side of the fixed column 10, the movable plate 602 can be pushed to move to drive the hook 603 to enter the fixed block 5 by pressing the button threaded shaft 12, the movable plate 602 can be prevented from angular deviation in the displacement process by the shape of the fixed column 10, the position of the hook 603 can be restored by the second spring 11, and the embodiment two is different from the embodiment one in that: the movable plate 602 can be pushed to move by pressing the button threaded shaft 12 to drive the hook 603 to enter the inside of the fixed block 5.

Example three:

referring to fig. 6, a threaded hole is formed in one side of the movable plate 602 close to the back of the movable plate 602, a button threaded shaft 12 is movably sleeved on the inner wall of the movable hole, the button threaded shaft 12 penetrates through the fixed block 5, the movable plate 602 can be controlled to move by rotating the button threaded shaft 12, so that the hook 603 is driven to enter the fixed block 5, the hook 603 is reset by reversely rotating the button threaded shaft 12, and the difference between the third embodiment and the first embodiment is that: the movable plate 602 can be controlled to move by rotating the button threaded shaft 12, so as to drive the hook 603 into the inside of the fixed block 5.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (7)

1. The utility model provides a split type multiple unit valve for mini excavator, includes main valve body (1), its characterized in that: the valve core is characterized in that square grooves (4) are equidistantly formed in two sides of the main valve body (1), a first valve hole is formed in the square grooves (4), a one-way valve (7) is movably sleeved in the first valve hole, clamping grooves are respectively formed in the front and the back of the inner wall of each square groove (4), a fixed block (5) is movably sleeved in the square grooves (4), two buckle assemblies (6) are movably sleeved in the fixed block (5), the buckle assemblies (6) are respectively clamped in the clamping grooves in the inner wall of each square groove (4), two valve holes (2) are equidistantly formed in the front of the main valve body (1), a valve core sleeve (3) is movably sleeved in the second valve hole (2), an inner valve core (9) is fixedly sleeved in the valve core sleeve (3), and a fixed sleeve assembly (8) is movably sleeved in the side wall of the valve core sleeve (3), the side wall of the fixed sleeve component (8) is fixedly sleeved with the inner wall of the second valve hole (2).

2. The split multi-way valve for the mini-excavator according to claim 1, wherein: buckle subassembly (6) are including first spring (601), the one end of first spring (601) is located the inside fixedly connected with fly leaf (602) of fixed block (5), one side of fly leaf (602) is close to back fixedly connected with and turns round piece (604), one side of fly leaf (602) is close to positive fixedly connected with trip (603), trip (603) have and turn round piece (604) and run through fixed block (5), the other end of first spring (601) and the inner wall fixed connection of fixed block (5).

3. The split multi-way valve for the mini-excavator according to claim 1, wherein: the fixed sleeve component (8) comprises an outer sleeve (801), the inner wall of the outer sleeve (801) is provided with two annular grooves, bearings (802) are movably sleeved inside the annular grooves, a loop line groove is formed in the side wall of the valve core sleeve (3), the outer sleeve (801) is movably sleeved inside the annular groove, and the bearings (802) are fixedly connected to the inner side wall of the annular groove of the side wall of the valve core sleeve (3).

4. The split multi-way valve for the mini-excavator according to claim 2, wherein: the clamping hook (603) is in clearance fit with the fixed block (5), the twisting block (604) is in clearance fit with the fixed block (5), and the length of the twisting block (604) is greater than that of the clamping hook (603).

5. The split multi-way valve for the mini-excavator according to claim 3, wherein: the lateral wall of urceolus (801) is close to the back end and has seted up the screw thread, the inner wall of No. two valve opening (2) has seted up the thread groove, and its thread groove and urceolus (801) lateral wall screw thread looks adaptation.

6. The split multi-way valve for the mini-excavator according to claim 2, wherein: one side fixedly connected with button threaded shaft (12) of fly leaf (602), button threaded shaft (12) runs through fixed block (5), square hole has been seted up at the middle part of fly leaf (602), and fixed column (10) have been cup jointed in the inside activity of its square hole, the both ends fixedly connected with fixed block (5) of fixed column (10), second spring (11) have been cup jointed in the opposite side activity that the lateral wall of fixed column (10) is located fly leaf (602).

7. The split multi-way valve for the mini-excavator according to claim 2, wherein: one side of the movable plate (602) is provided with a threaded hole close to the back of the movable plate (602), the inner wall of the movable hole is movably sleeved with a button threaded shaft (12), and the button threaded shaft (12) penetrates through the fixed block (5).

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