CN214698616U - Hydraulic system pipe joint convenient to install, adjust and maintain - Google Patents

Abstract

The utility model relates to a hydraulic system field especially relates to a hydraulic system coupling convenient to assembly and debugging are maintained. The connecting cylinder is internally provided with a flow regulating valve, the two ends of the connecting cylinder are connected with mounting heads, the side walls of the mounting heads are provided with double-layer threaded parts, the double-layer threaded parts are connected with hydraulic tube heads, gaskets are further arranged in the double-layer threaded parts, and filter screens are detachably arranged in the mounting heads. Double-deck screw member includes first screw member and second screw member, the inner wall of first screw member is provided with the internal thread, the outer wall of second screw member is provided with the external screw thread, the annular chamber internal thread that first screw member and second screw member that hydraulic pressure tube head set up in constitute has hydraulic pressure tube head. This novel hydraulic system coupling dual connection, and be provided with the detachable filter screen, have the advantage of easy to assemble debugging and maintenance, simple to use, the reliability is high.

Description

Hydraulic system pipe joint convenient to install, adjust and maintain

Technical Field

The utility model relates to a hydraulic system field especially relates to a hydraulic system coupling convenient to assembly and debugging are maintained.

Background

The hydraulic pipe is as the pipe that must use among the hydraulic system, and hydraulic pressure coupling plays very important effect as the connecting piece, but hydraulic pressure coupling is a metalwork, leads to the appearance of smooth scheduling problem easily in the dismantlement process, and then hydraulic pressure coupling is unable to be used, causes certain loss.

There has been "a hydraulic pressure coupling (CN202021053803.0) convenient to dismouting" at present, and the device is through setting up first joint and second joint, then realizes the joint through the riser and fixes. However, the hydraulic pipe joint is complex in arrangement, inconvenient to install and debug and poor in sealing performance, and a hydraulic system serving as a pressure system is easy to cause certain leakage. Meanwhile, the liquid in the hydraulic system can deteriorate and mix impurities to a certain extent after being used for a long time, and if the liquid enters the hydraulic system, certain adverse effects can be caused, and the maintenance of the hydraulic system is not convenient.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model aims at providing a hydraulic system coupling convenient to dress is transferred and is maintained can realize avoiding impurity or pollutant to hydraulic system's pollution and damage to the filtration of hydraulic pressure pipe liquid, sets up double-deck screw thread spare joint and packing ring simultaneously, can realize the connection to the hydraulic pressure pipe, and double-deck screw thread spare joint passes through twice threaded connection, can effectively avoid the problem of smooth silk to take place.

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

the utility model provides a hydraulic system coupling convenient to dress is transferred and is maintained, includes the connecting cylinder, be provided with flow control valve on the connecting cylinder, the both ends symmetric connection of connecting cylinder has solid fixed ring, another terminal surface of solid fixed ring is connected with installation head, the lateral wall of installation head is provided with double-deck screw thread spare, double-deck screw thread spare is connected with the hydraulic pressure tube head, can dismantle in the installation head and be provided with the filter screen.

Preferably, double-deck screw member includes first screw member and second screw member, the inner wall of first screw member is provided with the internal thread, the outer wall of second screw member is provided with the external screw thread, the annular cavity that first screw member and second screw member that hydraulic pressure tube head set up in constitute, and the outer wall be provided with first screw member complex external screw thread, the inner wall be provided with second screw member complex internal thread.

Preferably, a gasket is arranged in an annular cavity formed by the first threaded member and the second threaded member.

Preferably, the periphery of filter screen sets up the filter screen circle, the equidistant a plurality of fixed block that is provided with of filter screen circle.

Preferably, the filter screen ring is provided with an external thread, the mounting head is provided with an external thread matched with the internal thread of the filter screen ring, and the outer edge of the fixing block is flush with the filter screen ring.

Preferably, the periphery of the fixed block protrudes out of the filter screen ring, and the inner wall of the mounting head is provided with an L-shaped clamping groove matched with the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the filter screen is arranged, so that liquid in the hydraulic pipe can be filtered, the liquid is prevented from flowing into a hydraulic system to cause damage to the system, the filter screen can be detachably arranged, and is convenient and quick to install, debug and replace, and the maintenance of the hydraulic system is facilitated;

2. be provided with double-deck screw member, can realize dual connection with hydraulic pressure pipe, avoid the smooth silk of coupling and the not hard up of connection, its leakproofness is strong, and simple to operate, and the gasket sets up ingeniously, is favorable to self and hydraulic system's maintenance and maintenance.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view of the pipe joint passage according to the present invention.

Fig. 3 is a sectional view of the closed circuit of the pipe joint of the present invention.

Fig. 4 is a cross-sectional view of the double-layer screw of the present invention.

Fig. 5 is a sectional view of a mounting head of embodiment 1.

Fig. 6 is a sectional view of a mounting head according to embodiment 2.

Fig. 7 is a top view of the L-shaped engaging groove of the present invention.

Wherein: 1. the hydraulic pipe comprises a hydraulic pipe head, 2 parts of double-layer threaded parts, 201 parts of first threaded parts, 202 parts of second threaded parts, 3 parts of mounting heads, 4 parts of fixing rings, 5 parts of connecting cylinders, 6 parts of handles, 7 parts of hydraulic pipes, 8 parts of filter screens, 9 parts of fixing blocks, 10 parts of bearings, 11 parts of flow passages, 12 parts of gaskets, 13 parts of L-shaped clamping grooves, 1301 parts of horizontal grooves, 1302 parts of annular grooves and 14 parts of filter screen rings.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1:

referring to the attached drawings 1, 2, 3, 4, 5 and 7, a hydraulic system pipe joint convenient for assembly, adjustment and maintenance comprises a connecting cylinder 5, wherein a flow regulating valve is arranged on the connecting cylinder 5 and comprises a rotating ball 2 and a handle 6, the rotating ball 2 is arranged in the connecting cylinder 5, a flow passage 11 is horizontally arranged in the rotating ball 2, hydraulic liquid flows through the flow passage 11, a bearing 10 is arranged at the lower end of the rotating ball 2 and is rotatably connected with the inner wall of the connecting cylinder 5, the handle 6 is arranged at the top end of the rotating ball 2 through a rotating rod which is integrally connected, the handle 6 can be rotated to drive the rotating ball 2, a sealing ring is arranged at the joint of the rotating rod of the handle 6 and the connecting cylinder 5, fixing rings 4 are welded at both ends of the connecting cylinder 5, the fixing rings 4 are of a structure consisting of a plurality of plane bodies, and can facilitate the connection of the pipe joint and a hydraulic pipe, another end face welding of solid fixed ring 4 has installation head 3, set up the cavity in the soldered connection 3, and link up with the cavity of solid fixed ring 4 and connecting cylinder 5, the lateral wall integrated into one piece of installation head 3 has double-deck screw member 2, double-deck screw member 2 is connected with hydraulic pressure tube head 1, hydraulic pressure tube head 1 is connected with hydraulic pressure pipe 7, double-deck screw member 2 can realize with hydraulic pressure tube head 1's dual connection, can prevent smooth silk, has better leakproofness, can dismantle in the installation head 3 and be provided with filter screen 8, can realize the filtration to the intraductal liquid of hydraulic pressure, avoid polluting liquid to hydraulic system's damage.

Double-deck screw member 2 includes first screw member 201 and second screw member 202, the inner wall of first screw member 201 is provided with the internal thread, the outer wall of second screw member 202 is provided with the external screw thread, the annular cavity that first screw member 201 and second screw member 202 that hydraulic pressure tube head 1 set up constitute, hydraulic pressure tube head 1's outer wall be provided with first screw member 201 complex external screw thread, the inner wall be provided with second screw member 202 complex internal thread.

Be provided with gasket 12 in the annular chamber that first screw 201 and second screw 202 constitute, gasket 12 is the rubber material, can realize the sealed to hydraulic pressure tube head 1, and this sealing method can avoid the erosion and the oxidation of liquid to gasket 12, has better life.

The periphery of filter screen 8 sets up filter screen circle 14, and filter screen circle 14 is for having the becket of certain intensity, equidistant four fixed blocks 9 that are provided with on the filter screen circle 14.

Be provided with the external screw thread on the filter screen circle 14, be provided with in the installation head 3 with 14 screw-thread fit's of filter screen circle external screw thread, the outer border and the 14 parallel and level of filter screen circle of fixed block 9, when the filter screen 8 that blocks up need be changed, can fix the fixed block 9 through sharp mouth pincers card to screw it in installation head 3, can realize opening of filter screen and dismantle the change, compare with the filter screen of disposable fixed setting, can effectually save the cost.

The utility model discloses a principle and use flow:

when in use, the fixing block 9 is clamped by the nipper pliers and screwed in the mounting head 3, then the gasket 12 is placed in the annular cavity formed by the first threaded member 201 and the second threaded member 202, and then the hydraulic pipe head 1 is screwed on the double-layer threaded member 2, so that the connection between the hydraulic pipe 7 and the pipe joint is completed. When the pipe flow of the hydraulic pipe 7 needs to be adjusted, the handle 6 can be rotated to adjust the pipe flow.

Example 2:

when different from the embodiment 1, referring to fig. 6, in this embodiment, the outer periphery of the fixing block 9 protrudes out of the filter screen ring 14, the inner wall of the mounting head 3 is provided with an "L" -shaped clamping groove 13 matched with the fixing block 9, the "L" -shaped clamping groove 13 includes a horizontal groove 1301 and a circumferential groove 1302 which are connected in a penetrating manner, when the filter screen fixing device is used, the fixing block 9 is pushed into the horizontal groove 1301, the fixing block 9 is clamped by a sharp-nose clamp to rotate after sliding in place, and the fixing block 9 is clamped in the circumferential groove 1302, so that the filter screen 8 is fixed.

The utility model discloses a principle and use flow:

when the filter screen fixing device is used, the fixing block 9 is pushed into the horizontal groove 1301, the fixing block 9 is clamped by the sharp-nose pliers to rotate after the fixing block 9 slides in place, the fixing block 9 is clamped in the annular groove 1302, and the filter screen 8 is fixed. Then, the gasket 12 is placed in the annular cavity formed by the first threaded member 201 and the second threaded member 202, and then the hydraulic pipe head 1 is screwed onto the double-layer threaded member 2, thereby completing the connection of the hydraulic pipe 7 to the pipe joint. When the pipe flow of the hydraulic pipe 7 needs to be adjusted, the handle 6 can be rotated to adjust the pipe flow.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a hydraulic system coupling convenient to dress is transferred and is maintained, includes connecting cylinder (5), be provided with flow control valve on connecting cylinder (5), the both ends symmetric connection of connecting cylinder (5) has solid fixed ring (4), another terminal surface of solid fixed ring (4) is connected with installation head (3), its characterized in that: the lateral wall of installation head (3) is provided with double-deck screw member (2), double-deck screw member (2) are connected with hydraulic pressure tube head (1), can dismantle in installation head (3) and be provided with filter screen (8).

2. The hydraulic system pipe joint convenient for assembly, adjustment and maintenance according to claim 1, wherein: double-deck screw member (2) are including first screw member (201) and second screw member (202), the inner wall of first screw member (201) is provided with the internal thread, the outer wall of second screw member (202) is provided with the external screw thread, the annular cavity that first screw member (201) and second screw member (202) that hydraulic pressure tube head (1) set up in constitute, and the outer wall be provided with first screw member (201) complex external screw thread, the inner wall be provided with second screw member (202) complex internal thread.

3. The hydraulic system pipe joint convenient for assembly, adjustment and maintenance according to claim 2, wherein: a gasket (12) is arranged in an annular cavity formed by the first threaded part (201) and the second threaded part (202).

4. The hydraulic system pipe joint convenient for assembly, adjustment and maintenance according to claim 1, wherein: the periphery of filter screen (8) sets up filter screen circle (14), equidistant a plurality of fixed block (9) that is provided with in filter screen circle (14).

5. The hydraulic system pipe joint convenient for assembly, adjustment and maintenance according to claim 4, wherein: the filter screen ring is characterized in that an external thread is arranged on the filter screen ring (14), an external thread matched with the internal thread of the filter screen ring (14) is arranged in the mounting head (3), and the outer edge of the fixing block (9) is flush with the filter screen ring (14).

6. The hydraulic system pipe joint convenient for assembly, adjustment and maintenance according to claim 4, wherein: the periphery of fixed block (9) protrusion filter screen circle (14), the inner wall of installation head (3) is seted up with fixed block (9) complex "L" shape joint groove (13).

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