CN219492742U

CN219492742U - Hydraulic shuttle valve

Info

Publication number: CN219492742U
Application number: CN202320519361.1U
Authority: CN
Inventors: 颜宣伟
Original assignee: Zhejiang Xiongpeng Machinery Co ltd
Current assignee: Zhejiang Xiongpeng Machinery Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-08-08
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a hydraulic shuttle valve, and belongs to the technical field of hydraulic accessories. The oil inlet pipe is arranged on the side face of the valve body, the left end of the oil inlet pipe penetrates through the valve body and extends to the inside, the right end of the oil inlet pipe is arranged at a right angle, the top end of the oil inlet pipe is fixedly connected with a connecting block, an oil-proof cover is fixedly connected to the lower portion of the valve body, the specific shape of the oil-proof cover is funnel-shaped, the lower end of the oil-proof cover is fixedly connected with a tightening ring, a first sealing ring is fixed to the lower portion of the tightening ring, and a heat dissipation hole is formed in the outer side of the valve body. Through setting up the movable block, when the condition of hydraulic oil backward flow appears, hydraulic oil can jack-up the movable block to can let in the oil feed frame of hydraulic oil inflow both sides, avoid hydraulic oil to block in the oil outlet, thereby influence the work efficiency of device, also can block up the oil outlet when the device stops working, avoid some remaining hydraulic oil to flow in the oil outlet, improved work efficiency greatly.

Description

Hydraulic shuttle valve

Technical Field

The utility model belongs to the technical field of hydraulic accessories, and particularly relates to a hydraulic shuttle valve.

Background

The hydraulic shuttle valve has the function of selecting an oil way, can ensure that the oil outlet has pressure no matter which oil inlet has high pressure, is commonly used for leading out a control oil way between two main oil ways with alternating pressure, can be called as a pressure selection valve, and is provided with two inlets and one outlet on a valve body, and a valve port is selected according to the pressure during operation.

The existing hydraulic shuttle valve structure is relatively simple, when the condition of hydraulic oil backflow occurs, an oil outlet is blocked, the device can work in a stagnation mode, and in the oil inlet process, the oil inlet pipe often falls off or the hydraulic oil leaks.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a hydraulic shuttle valve with good working stability.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a hydraulic shuttle valve, includes the valve body, valve body side-mounting has into oil pipe, it runs through the valve body and extends to inside to advance oil pipe left end, it sets up for the right angle to advance oil pipe right-hand member, advance oil pipe top fixedly connected with connecting block, valve body below fixedly connected with grease proofing cover, the concrete shape of grease proofing cover is the funnel shape, grease proofing cover lower extreme fixedly connected with tightens up the ring, it is fixed with sealing washer one to tighten up the ring below, the louvre has been seted up in the valve body outside. The heat dissipation holes can enable the device to dissipate heat, and the working efficiency is prevented from being influenced by overheat of the device.

Further, the oil inlet frame is installed to the inside both sides of valve body, the oil inlet frame is the triangle setting for the inner, the oil outlet is installed to the inside lower extreme of valve body, the movable block is installed to the oil outlet upper end, the square piece I of fixed surface connection on the movable block. The movable block can cover the oil outlet, so that residual hydraulic oil is prevented from flowing in.

Further, the inner wall of the valve body is slidably connected with a sliding block, concave blocks are arranged at the distal ends of two sides of the sliding block, the outer ends of the concave blocks are arranged in a triangular mode, and square blocks II are fixedly connected to the side faces of the concave blocks. The concave block can completely block the oil inlet frame, so that hydraulic oil is prevented from entering the oil inlet frame at the other side when entering.

Further, a round hole is formed in the connecting block, the specific shape of the connecting block is square, and a second sealing ring is fixedly connected to the inner wall of the round hole. And the sealing ring II improves the tightness of the pipeline joint and avoids the condition of hydraulic oil leakage.

Further, a compression ring is arranged on the right side of the second sealing ring, a fixed block is fixedly connected to the top end of the compression ring, a spring is fixedly connected to the right end of the fixed block, and a square block III is fixedly connected to the right end of the spring. The clamp ring can further fix the pipeline, and the pipeline is prevented from falling off and hydraulic oil is prevented from leaking.

Further, the threaded hole is offered in the connecting block outside, rotatory bolt is installed to the threaded hole, rotatory bolt and threaded hole assorted, rotatory bolt can make things convenient for compression ring's shrink and extension, makes things convenient for the installation and the dismantlement of pipeline.

The utility model has the beneficial effects that:

according to the hydraulic oil feeding device, the moving block is arranged, when the condition of hydraulic oil backflow occurs, hydraulic oil can jack up the moving block, so that hydraulic oil can flow into the oil feeding frames at two sides, the phenomenon that the hydraulic oil is blocked in the oil outlet to affect the working efficiency of the device is avoided, the oil outlet can be blocked when the device stops working, some residual hydraulic oil is prevented from flowing into the oil outlet, and the working efficiency is greatly improved.

According to the utility model, the compression ring and the spring are arranged, so that the compression ring can be contracted outwards and inwards under the action of external pressure by rotating the rotary bolt inwards, the pipeline joint can be better fixed, hydraulic oil is prevented from leaking or the pipeline is prevented from falling off, and when the rotary bolt is rotated outwards, the compression ring can be automatically expanded under the action of the spring, so that the pipeline is convenient to disassemble.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

FIG. 3 is a schematic view of the internal structure of the valve body of the present utility model.

Fig. 4 is a schematic view of the internal structure of the connecting block according to the present utility model.

Fig. 5 is an enlarged view of the portion a of fig. 4 in connection with the present utility model.

1. A valve body; 2. an oil inlet pipe; 3. a connecting block; 4. a heat radiation hole; 5. a grease shield; 6. a tightening ring; 7. a first sealing ring; 11. an oil inlet frame; 12. a concave block; 13. square block II; 14. a slide block; 15. a moving block; 16. square block I; 17. an oil outlet hole; 31. a second sealing ring; 32. a clamp ring; 33. a fixed block; 34. a spring; 35. square blocks III; 36. a threaded hole; 37. and (5) rotating the bolt.

Description of the embodiments

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, this hydraulic shuttle valve includes valve body 1, and 1 side-mounting of valve body has into oil pipe 2, and the oil pipe 2 left end runs through valve body 1 and extends to inside, and the oil pipe 2 right-hand member is the right angle setting, and 2 top fixedly connected with connecting block 3 of oil pipe, 1 below fixedly connected with grease proofing cover 5 of valve body, grease proofing cover 5 specific shape be the funnel shape, grease proofing cover 5 lower extreme fixedly connected with tightening ring 6, tightening ring 6 below is fixed with sealing washer one 7, and louvre 4 has been seted up in the valve body 1 outside.

The oil inlet frame 11 is installed to the inside both sides of valve body 1, and oil inlet frame 11 inner is the triangle setting, and oil outlet 17 is installed to the inside lower extreme of valve body 1, and movable block 15 is installed to oil outlet 17 upper end, and movable block 15 upper surface fixedly connected with square piece one 16. Through setting up movable block 15, when the condition of hydraulic oil backward flow appears, hydraulic oil can jack up movable block 15 to can let in the oil feed frame 11 of hydraulic oil inflow both sides, thereby avoid hydraulic oil to block in oil outlet 17 influences the work efficiency of device, also can block up oil outlet 17 when the device stops working, avoid some remaining hydraulic oil to flow in oil outlet 17, improved work efficiency greatly.

The inner wall of the valve body 1 is slidably connected with a sliding block 14, the distal ends of two sides of the sliding block 14 are provided with concave blocks 12, the outer ends of the concave blocks 12 are arranged in a triangular mode, and the side faces of the concave blocks 12 are fixedly connected with square blocks II 13.

Round holes are formed in the connecting blocks 3, the connecting blocks 3 are square in specific shape, and sealing rings II 31 are fixedly connected to the inner walls of the round holes.

The sealing washer two 31 right side is provided with clamp ring 32, clamp ring 32 top fixedly connected with fixed block 33, fixed block 33 right-hand member fixedly connected with spring 34, spring 34 right-hand member fixedly connected with square piece three 35, through setting up clamp ring 32 and spring 34, can let clamp ring 32 outside the internal contraction under the effect of outside pressure through inwards rotatory bolt 37, can fix pipeline interface department better, prevent that hydraulic oil from taking place to leak or pipeline from droing, when outwards rotatory bolt 37, under the effect of spring 34, clamp ring 32 can automatic expansion, the dismantlement of pipeline has been made things convenient for.

Screw holes 36 are formed in the outer side of the connecting block 3, rotary bolts 37 are mounted in the screw holes 36, and the rotary bolts 37 are matched with the screw holes 36.

When the oil pipe is installed, the pipeline is inserted into the connecting block, the inward rotating bolt 37 enables the compression ring 32 to shrink outwards and inwards under the action of external pressure, so that the pipeline is fixed, the spring 34 is in a shrinkage state, hydraulic oil flows into the oil inlet frame 11 through the oil inlet pipe 2, when the oil outlet 17 returns oil, the hydraulic oil can be pressed on the moving block 15 of the orifice, then the hydraulic oil can flow into the oil inlet frames 11 on two sides, hydraulic oil is prevented from blocking the oil outlet 17, when the oil pipe is detached, the outward rotating bolt 37 is rotated, and the spring 34 is opened to drive the compression ring 32 to reset, so that the pipeline is detached.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a hydraulic shuttle valve, its characterized in that, including valve body (1), valve body (1) side-mounting has oil feed pipe (2), oil feed pipe (2) left end runs through valve body (1) and extends to inside, oil feed pipe (2) right-hand member is the right angle setting, oil feed pipe (2) top fixedly connected with connecting block (3), valve body (1) below fixedly connected with grease proofing cover (5), grease proofing cover (5) concrete shape is the funnel shape, grease proofing cover (5) lower extreme fixedly connected with tightens up ring (6), tighten up ring (6) below is fixed with sealing washer one (7), louvre (4) have been seted up in the valve body (1) outside, oil feed frame (11) are installed to inside both sides of valve body (1), oil feed frame (11) inner is the triangle setting, oil outlet (17) are installed to valve body (1) inner lower extreme, square block (15) are installed to oil outlet (17) upper end, square block (15) upper surface fixedly connected with one (16), square block (12) are connected with in the side face of sliding block (12), two sides (12) are connected with each other in the side face of the recess type, two side face (12), the novel connecting block is characterized in that a round hole is formed in the connecting block (3), the specific shape of the connecting block (3) is square, a second sealing ring (31) is fixedly connected to the inner wall of the round hole, a compression ring (32) is arranged on the right side of the second sealing ring (31), a fixed block (33) is fixedly connected to the top end of the compression ring (32), a spring (34) is fixedly connected to the right end of the fixed block (33), a third square block (35) is fixedly connected to the right end of the spring (34), a threaded hole (36) is formed in the outer side of the connecting block (3), a rotary bolt (37) is arranged in the threaded hole (36), and the rotary bolt (37) is matched with the threaded hole (36).