CN216382032U

CN216382032U - Closed hydraulic system of external flushing valve

Info

Publication number: CN216382032U
Application number: CN202122882347.1U
Authority: CN
Inventors: 黄一恒; 蒋笙
Original assignee: Nanjing Sairuibochuang Technology Co ltd
Current assignee: Nanjing Sairuibochuang Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-26
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to the technical field of hydraulic systems and discloses a closed hydraulic system with an external flushing valve, which comprises a first flushing valve, a second flushing valve, a first motor and a second motor, wherein the side walls of the first motor and the second motor are communicated with hard pipes, and hoses are connected among the first flushing valve, the first motor, the second flushing valve and the second motor through connecting mechanisms. Coupling mechanism establishes the linking frame outside first flushometer, first motor, second flushometer and second motor surface socket including the cover, it has the connector to peg graft in the linking frame, the one end and the fixed intercommunication of hose that the linking frame was stretched out to the connector, the fixed intercommunication of lateral wall of connector has the intubate. According to the utility model, when the hose is connected outside the flush valve and the motor, the connection strength of the connection part is enhanced, and the problem that the connection part is loosened and leaks due to long-time shaking of the hose is avoided.

Description

Closed hydraulic system of external flushing valve

Technical Field

The utility model relates to the technical field of hydraulic systems, in particular to a closed hydraulic system of an external flushing valve.

Background

With the use of hydraulic technology, the closed system is used by more and more mobile vehicles at present, and has the advantages of low noise, small mechanical transmission volume with the same power ratio, high transmission efficiency and the like. The engine drives the plunger variable displacement pump, and high-pressure hydraulic oil flows into the hydraulic motor of the actuating mechanism.

The closed hydraulic system of the external flushing valve, which is proposed in patent publication No. CN 210218276U, comprises a first flushing valve, a second flushing valve, a first motor and a second motor, wherein a port P of the first flushing valve is communicated with a port T1 of the first motor through a first hose, a port T2 of the first motor is communicated with a first port of a three-way joint and a radiator respectively, a port P of the second flushing valve is communicated with a port T1 of the second motor through a second hose, a port T2 of the second motor is communicated with a second port of the three-way joint and the radiator respectively, a third port of the three-way joint is communicated with an oil tank, a one-way valve is arranged between the third port of the three-way joint and the oil tank, and the first flushing valve and the second flushing valve are communicated with an oil outlet of the closed hydraulic system respectively. The problem that the motor bearing is not washed to external flushometer among the prior art influence motor and hydraulic system life can be solved to this patent, and the mode through screw-thread fit in this patent communicates there is the hose between flushometer and motor, and the condition that rocks can appear in the hose when using causes the not hard up of junction easily, the condition of weeping appears.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a hose is communicated between a flushing valve and a motor in a thread fit mode, the hose can shake when in use, the connection part is easy to loosen, and liquid leakage occurs, and provides a closed hydraulic system with an external flushing valve.

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

a closed hydraulic system of an external flushing valve comprises a first flushing valve, a second flushing valve, a first motor and a second motor,

the side walls of the first motor and the second motor are communicated with a hard tube,

and hoses are connected among the first flushing valve, the first motor, the second flushing valve and the second motor through connecting mechanisms.

Preferably, coupling mechanism establishes the link frame outside first flushometer, first motor, second flushometer and second motor surface socket including the cover, it has the connector to peg graft in the link frame, the one end and the hose fixed intercommunication that the link frame was stretched out to the connector, the fixed intercommunication of lateral wall of connector has the insert tube, the insert tube is located the socket, the lateral wall of link frame rotates through the bearing and is connected with a screw thread section of thick bamboo, the threaded rod has been cup jointed in the screw thread section of thick bamboo, the upper end fixedly connected with arc of threaded rod.

Preferably, the lower lateral wall fixedly connected with connecting plate of connector, two bayonet locks of the last lateral wall fixedly connected with of arc, two draw-in grooves of matcing each other with the bayonet lock are seted up to the lower lateral wall of connecting plate.

Preferably, the threaded cylinder cover is provided with a rotary cylinder, the upper side wall of the rotary cylinder is fixedly connected with a connecting ring, the upper side wall of the connecting ring is fixedly connected with two limit pins, the outer wall of the threaded cylinder is fixedly sleeved with a ring plate, the side wall of the ring plate is provided with two limit holes matched with the limit pins, the side wall between the ring plate and the connecting ring is connected with two springs sleeved outside the limit pins, the lower side wall of the connecting frame is provided with a plurality of limit grooves matched with the limit pins, the inner wall of the rotary cylinder is fixedly connected with a locating plate, and the outer wall of the threaded cylinder is provided with two locating grooves.

Preferably, the inner wall of the connecting frame is fixedly connected with a sliding plate, and the rod wall of the threaded rod is provided with a sliding groove matched with the sliding plate.

Preferably, a rotating plate is fixedly connected to the lower side wall of the rotating cylinder.

Preferably, the upper end of the insertion pipe is fixedly connected with a sealing ring, and the side wall of the insertion opening is provided with a ring groove.

Compared with the prior art, the utility model provides a closed hydraulic system of an external flushing valve, which has the following beneficial effects:

this closed hydraulic system of external flushometer, through the first flushometer, second flushometer, first motor, second motor, hard tube, hose, socket, connection frame, connector, insert tube, screw thread section of thick bamboo, threaded rod, the arc that sets up, can be when hose connection is outside flushometer and motor, strengthened the joint strength of junction, avoided the hose to rock the problem that the not hard up weeping condition of junction can appear for a long time.

Drawings

FIG. 1 is a schematic structural diagram of a closed hydraulic system of an external flush valve according to the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1 first flushometer, 2 second flushometer, 3 first motor, 4 second motor, 5 hard tubes, 6 hoses, 7 spigots, 8 connecting frames, 9 connectors, 10 insertion tubes, 11 threaded cylinders, 12 threaded rods, 13 arc-shaped plates, 14 connecting plates, 15 bayonet pins, 16 clamping grooves, 17 rotary cylinders, 18 connecting rings, 19 limiting pins, 20 annular plates, 21 limiting holes, 22 springs, 23 limiting grooves, 24 positioning plates, 25 positioning grooves, 26 sliding plates, 27 sliding grooves, 28 rotary plates, 29 sealing rings and 30 annular grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Embodiment 1 as shown in fig. 1-2, a closed hydraulic system of an external flush valve includes a first flush valve 1, a second flush valve 2, a first motor 3 and a second motor 4,

the side walls of the first motor 3 and the second motor 4 are communicated with a hard pipe 5,

hoses 6 are connected among the first flushing valve 1, the first motor 3, the second flushing valve 2 and the second motor 4 through connecting mechanisms.

Embodiment 2 is based on embodiment 1 and is shown in fig. 2, the connection mechanism includes a connection frame 8 covering the surface of a socket 7 of a first flush valve 1, a first motor 3, a second flush valve 2 and a second motor 4, a connector 9 is inserted in the connection frame 8, one end of the connector 9 extending out of the connection frame 8 is fixedly communicated with a hose 6, a side wall of the connector 9 is fixedly communicated with an insert tube 10, the insert tube 10 is positioned in the socket 7, the upper end of the insert tube 10 is fixedly connected with a sealing ring 29, the side wall of the socket 7 is provided with a ring groove 30, the sealing performance of the insert tube 10 is improved, the side wall of the connection frame 8 is rotatably connected with a threaded cylinder 11 through a bearing, the threaded cylinder 11 is sleeved with a threaded rod 12, the upper end of the threaded rod 12 is fixedly connected with an arc-shaped plate 13, the lower side wall of the connector 9 is fixedly connected with a connection plate 14, the upper side wall of the arc-shaped plate 13 is fixedly connected with two bayonet locks 15, two clamping grooves 16 matched with the clamping pins 15 are formed in the lower side wall of the connecting plate 14, so that the connecting strength between the arc-shaped plate 13 and the connecting head 9 is increased.

Embodiment 3 is based on embodiment 1 and is shown in fig. 2, a rotating cylinder 17 is arranged on the outer cover of a threaded cylinder 11, a rotating plate 28 is fixedly connected to the lower side wall of the rotating cylinder 17, the rotating cylinder 17 is convenient to rotate, a connecting ring 18 is fixedly connected to the upper side wall of the rotating cylinder 17, two limiting pins 19 are fixedly connected to the upper side wall of the connecting ring 18, a ring plate 20 is fixedly sleeved on the outer wall of the threaded cylinder 11, two limiting holes 21 matched with the limiting pins 19 are formed in the side wall of the ring plate 20, two springs 22 sleeved outside the limiting pins 19 are connected to the side wall between the ring plate 20 and the connecting ring 18, a plurality of limiting grooves 23 matched with the limiting pins 19 are formed in the lower side wall of the connecting frame 8, a positioning plate 24 is fixedly connected to the inner wall of the rotating cylinder 17, and two positioning grooves 25 are formed in the outer wall of the threaded cylinder 11.

The inner wall fixedly connected with slide 26 of linking frame 8, the spout 27 that matches each other with slide 26 is seted up to the pole wall of threaded rod 12, through mutually supporting of slide 26 and spout 27, avoids threaded rod 12 rotatory, makes threaded rod 12 can only reciprocate in vertical direction.

When the device is used, the connector 9 is inserted into the connecting frame 8, the insertion pipe 10 is inserted into the socket 7, the rotary drum 17 is pulled downwards to a proper position, the rotary drum 17 drives the limiting pin 19 to be separated from the limiting groove 23, then the rotary drum 17 is rotated, the rotary drum 17 drives the threaded drum 11 to rotate through the mutual matching of the positioning plate 24 and the positioning groove 25, the threaded rod 12 and the arc-shaped plate 13 are driven to move upwards to a proper position through the thread matching, the arc-shaped plate 13 extrudes the connector 9, the connector 9 is fixed through the mutual matching of the clamping pin 15 and the clamping groove 16, the hose 6 can be installed, the hose 6 can be taken down through reverse operation, and when the hose is connected outside the flushing valve and the motor, the connection strength of the connection position is enhanced, and the problem that the connection position is loosened and liquid leakage can occur due to long-time shaking of the hose is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A closed hydraulic system of an external flushing valve comprises a first flushing valve (1), a second flushing valve (2), a first motor (3) and a second motor (4), and is characterized in that,

the side walls of the first motor (3) and the second motor (4) are communicated with a hard tube (5),

and the first flushing valve (1), the first motor (3), the second flushing valve (2) and the second motor (4) are connected with a hose (6) through connecting mechanisms.

2. The closed hydraulic system of an external flushing valve as defined in claim 1, wherein the connecting mechanism comprises a connecting frame (8) covering the surface sockets (7) of the first flushing valve (1), the first motor (3), the second flushing valve (2) and the second motor (4), a connector (9) is inserted in the connecting frame (8), one end of the connector (9) extending out of the connecting frame (8) is fixedly communicated with the hose (6), an insertion pipe (10) is fixedly communicated with the side wall of the connector (9), the insertion pipe (10) is located in the socket (7), the side wall of the connecting frame (8) is rotatably connected with a threaded cylinder (11) through a bearing, a threaded rod (12) is sleeved in the threaded cylinder (11), and an arc-shaped plate (13) is fixedly connected with the upper end of the threaded rod (12).

3. The closed hydraulic system of an external flushing valve as defined in claim 2, wherein a connecting plate (14) is fixedly connected to the lower side wall of the connecting head (9), two clamping pins (15) are fixedly connected to the upper side wall of the arc-shaped plate (13), and two clamping grooves (16) matched with the clamping pins (15) are formed in the lower side wall of the connecting plate (14).

4. The closed hydraulic system of an external flushing valve as defined in claim 2, a rotary drum (17) is arranged outside the threaded drum (11), the upper side wall of the rotary drum (17) is fixedly connected with a connecting ring (18), the upper side wall of the connecting ring (18) is fixedly connected with two limiting pins (19), the outer wall of the threaded cylinder (11) is fixedly sleeved with a ring plate (20), the side wall of the ring plate (20) is provided with two limit holes (21) which are matched with the limit pin (19), the side wall between the ring plate (20) and the connecting ring (18) is connected with two springs (22) sleeved outside the limiting pin (19), the lower side wall of the connecting frame (8) is provided with a plurality of limiting grooves (23) which are matched with the limiting pins (19), the inner wall of the rotary drum (17) is fixedly connected with a positioning plate (24), and the outer wall of the threaded drum (11) is provided with two positioning grooves (25).

5. The closed hydraulic system of an external flushing valve as defined in claim 2, characterized in that a sliding plate (26) is fixedly connected to the inner wall of the connecting frame (8), and a sliding groove (27) matched with the sliding plate (26) is formed in the rod wall of the threaded rod (12).

6. The closed hydraulic system of an external flushing valve as set forth in claim 4, characterized in that a rotating plate (28) is fixedly connected to the lower side wall of the rotating drum (17).

7. The closed hydraulic system of an external flushing valve as defined in claim 2, characterized in that the upper end of the insertion tube (10) is fixedly connected with a sealing ring (29), and the side wall of the socket (7) is provided with a ring groove (30).