CN218972089U

CN218972089U - Pipeline flexible connection structure for hydraulic system of pulling wheel vehicle

Info

Publication number: CN218972089U
Application number: CN202320120940.9U
Authority: CN
Inventors: 董凯; 王兴武
Original assignee: Shenyang Langquan Electric Equipment Co ltd
Current assignee: Shenyang Langquan Electric Equipment Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-05-05
Anticipated expiration: 2033-01-31

Abstract

The utility model belongs to the field of soft connection of pipelines, in particular to a soft connection structure of a pipeline for a hydraulic system of a pulling wheel vehicle, which solves the problems of inconvenient installation and poor sealing performance in the prior art, and comprises a soft connecting pipe, wherein two symmetrically arranged fixing rings are fixedly sleeved on the peripheral surface of the soft connecting pipe, and two symmetrically arranged fixing blocks are fixedly connected to one side of each fixing ring through screws; the inside of two fixed blocks is all slidingly equipped with the fixture block, and screw fixedly connected with pull rod is passed through to one side of fixture block, has offered the special-shaped groove jointly with on the solid fixed ring on the fixed block, and the inside activity in special-shaped groove articulates there is the movable rod, through the setting of fixture block, screw rod isotructure, rotates the internal gear and drives external gear and screw rod rotation to this realizes the motion of fixture block through parts such as movable rod and pull rod, and forward rotation and reverse rotation internal gear realize the joint and the unclamping of fixture block, simple structure, convenient operation saves installation and dismantlement time.

Description

Pipeline flexible connection structure for hydraulic system of pulling wheel vehicle

Technical Field

The utility model relates to the technical field of pipeline flexible connection, in particular to a pipeline flexible connection structure for a hydraulic system of a pulling wheel vehicle.

Background

At present, flange connecting pipelines are commonly used in chemical plants, bolts penetrate through bolt holes of pipeline flanges at two ends, nuts are added for tightening, sealing gaskets are clamped between the two flanges, a hose is connected with the hard flange pipelines and inserted into a hard pipe, soft materials are used for sealing the hose between the two flanges, the hose is fixed on the hard pipe by iron wires, the sealing performance is poor and easy to break, the pipelines are devices which are formed by connecting pipes, pipe connectors, valves and the like and are used for conveying gas, liquid or fluid with solid particles, normally, after the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, the fluid flows to a low pressure from a high pressure position of the pipeline, the pressure or gravity of the fluid can be utilized for conveying the fluid, the pipeline is widely used, and the hydraulic system is mainly used for water supply, water discharge, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices, and the hydraulic system is composed of five parts, namely a power element, an executing element, a control element, an auxiliary element (accessory) and hydraulic oil; hydraulic systems can be divided into two categories: the hydraulic transmission system takes power transmission and movement as main functions, and the hydraulic control system is used for enabling the output of the hydraulic system to meet specific performance requirements (particularly dynamic performance), and is mainly called as the hydraulic transmission system.

The pipeline flexible connection structure in the prior art has the following defects: traditional pipeline flexible connection structure adopts the hose to connect generally, and the ring flange is installed at hose both ends, adopts a plurality of bolts to connect two ring flanges, need repeatedly carry out the installation and the dismantlement process of a plurality of bolts in installation and dismantlement process, and waste time influences installation effectiveness.

Disclosure of Invention

The utility model aims to provide a pipeline flexible connection structure for a hydraulic system of a pulling wheel vehicle, which solves the problems of inconvenient installation and poor sealing property.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the pipeline flexible connection structure for the hydraulic system of the pulling wheel vehicle comprises a flexible connection pipe, wherein two symmetrically arranged fixing rings are fixedly sleeved on the peripheral surface of the flexible connection pipe, and two symmetrically arranged fixing blocks are fixedly connected to one side of each fixing ring through screws;

the inside of two the fixed block is all slidingly equipped with the fixture block, screw fixedly connected with pull rod is passed through to one side of fixture block, the special-shaped groove has been seted up jointly on the fixed block with on the solid fixed ring, special-shaped groove's inside activity articulates there is the movable rod, sliding fit has two symmetrical arrangement's telescopic link one and telescopic link two on the movable rod respectively, telescopic link one's the other end activity articulates the other end of pull rod, install the screw rod through the bearing rotation on the inner wall in special-shaped groove, the thread bush is equipped with the sleeve on the outer peripheral face of screw rod, telescopic top is passed through screw fixedly connected with connecting rod, screw fixedly connected with transfer line is passed through at the top of connecting rod, telescopic link two's the other end activity articulates the one end of transfer line, special-shaped groove's inside rotation installs the internal gear, the other end of screw rod is passed through screw fixedly connected with external gear, the internal gear meshes with two external gears respectively.

Preferably, the outer peripheral surface of the flexible connecting pipe is fixedly sleeved with two symmetrically arranged sealing rings, the sealing rings are slidably provided with annular pushing plates, and the annular pushing plates are provided with sealing rings.

Preferably, the fixing block is provided with a clamping groove communicated with the special-shaped groove, and the clamping block is slidably connected in the clamping groove.

Preferably, two symmetrically arranged sliding grooves are formed in the movable rod, and the first telescopic rod and the second telescopic rod are respectively and slidably connected in the sliding grooves.

Preferably, the sleeve is provided with a threaded hole, and the screw is in threaded connection with the inside of the threaded hole.

Preferably, the sealing ring is provided with a groove, the annular push plate is slidably connected in the groove, and the bottom wall of the groove is provided with an elastic block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the structures such as the clamping blocks and the screw rods, the rotating inner gear drives the outer gear and the screw rods to rotate, so that the movement of the clamping blocks is realized through the movable rods, the pull rods and other parts, the clamping and loosening of the clamping blocks are realized through the forward rotation and the reverse rotation of the inner gear, the structure is simple, the operation is convenient, and the installation and disassembly time is saved.

2. According to the utility model, through the arrangement of the structures such as the sealing ring, the annular push plate and the like, after the installation, the inner wall of the installation opening extrudes the sealing ring, the annular push plate is extruded by the elastic block in the groove, and the sealing ring and the annular push plate are more tightly attached by the bidirectional extrusion of the elastic block and the inner wall of the installation opening, so that the sealing performance of the joint is better.

Drawings

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

FIG. 2 is a front view of the present utility model;

FIG. 3 is an enlarged view of the utility model at reference A;

fig. 4 is an enlarged view of the utility model at reference B.

In the figure: 1. a flexible connection pipe; 2. a fixing ring; 3. a seal ring; 4. a fixed block; 5. a clamping block; 6. a pull rod; 7. a first telescopic rod; 8. a movable rod; 9. a second telescopic rod; 10. a transmission rod; 11. a connecting rod; 12. a sleeve; 13. a screw; 14. an external gear; 15. an internal gear; 16. an annular push plate; 17. a seal ring; 18. an elastic block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a pipeline flexible connection structure for a hydraulic system of a pulling wheel vehicle comprises a flexible connection pipe 1, wherein two symmetrically arranged fixing rings 2 are fixedly sleeved on the peripheral surface of the flexible connection pipe 1, and two symmetrically arranged fixing blocks 4 are fixedly connected to one side of each fixing ring 2 through screws; the inside of two fixed blocks 4 is all slidingly equipped with fixture block 5, screw fixedly connected with pull rod 6 is passed through to one side of fixture block 5, the special-shaped groove has been offered jointly on fixed ring 2 on the fixed block 4, the inside activity in special-shaped groove articulates there is movable rod 8, sliding fit has two symmetrical arrangement's telescopic link one 7 and telescopic link two 9 on the movable rod 8 respectively, the other end activity of telescopic link one 7 articulates the other end at pull rod 6, install screw 13 through the bearing rotation on the inner wall in special-shaped groove, the thread bush is equipped with sleeve 12 on the outer peripheral face of screw 13, the top of sleeve 12 is through screw fixedly connected with connecting rod 11, the top of connecting rod 11 is through screw fixedly connected with transfer line 10, the other end activity of telescopic link two 9 articulates in the one end of transfer line 10, the inside rotation in special-shaped groove is installed internal gear 15, the other end of screw 13 is through screw fixedly connected with 14, internal gear 15 meshes with two external gears 14 respectively, through the setting up of fixture block 5, screw 13 isotructures, rotate internal gear 15 and drive 14 and screw 13 rotate, so as to realize the motion of fixture block 5 through parts such as

movable rod

8 and 6, forward rotation and reverse rotation, clamp block 15 and easy operation and dismantlement structure are realized, and the operation is simple, and easy to realize.

Referring to fig. 1-3, the outer peripheral surface of the flexible connection pipe 1 is fixedly sleeved with two symmetrically arranged sealing rings 3, the sealing rings 3 are slidably provided with annular pushing plates 16, sealing rings 17 are installed on the annular pushing plates 16, after the sealing rings 17 are installed, the inner walls of the installation openings extrude the sealing rings 17 through the arrangement of the sealing rings 17, the annular pushing plates 16 and the like, the elastic blocks 18 inside the grooves extrude the annular pushing plates 16, and the elastic blocks 18 and the inner walls of the installation openings extrude the sealing rings 17 and the annular pushing plates 16 in two directions so that the sealing rings 17 are tightly attached to the inner walls of the installation openings, so that the sealing performance of the connection parts is better.

Referring to fig. 4, the fixing block 4 is provided with a clamping groove communicated with the special-shaped groove, and the clamping block 5 is slidably connected in the clamping groove.

Referring to fig. 4, two symmetrically arranged sliding grooves are formed in the movable rod 8, and the first telescopic rod 7 and the second telescopic rod 9 are respectively and slidably connected to the inner parts of the two sliding grooves.

Referring to fig. 4, the sleeve 12 is provided with a threaded hole, and the screw 13 is screwed into the threaded hole.

Referring to fig. 3, the sealing ring 3 is provided with a groove, the annular push plate 16 is slidably connected inside the groove, and an elastic block 18 is mounted on the bottom wall of the groove.

The specific implementation process of the utility model is as follows: the external gear 15 is rotated to drive the external gear 14 to rotate, the external gear 14 is rotated to drive the screw 13 to rotate, the sleeve 12 moves due to the thread propulsion principle between the screw 13 and the sleeve 12, the sleeve 12 drives the connecting rod 11 to move, the connecting rod 11 drives the transmission rod 10 to move, the transmission rod 10 drives the telescopic rod II 9 to move, the telescopic rod II 9 drives the movable rod 8 and the telescopic rod I7 to move, the telescopic rod I7 drives the pull rod 6 to pull the clamping block 5, and then the internal gear 15 is reversed to reset the clamping block 5, so that the soft connecting pipe 1 is installed and detached;

further, after the installation, the inner wall of the installation opening extrudes the sealing ring 17, the elastic block 18 inside the groove extrudes the annular push plate 16, and the elastic block 18 and the inner wall of the installation opening bidirectionally extrude the sealing ring 17 and the annular push plate 16 so that the sealing ring 17 is tightly attached to the inner wall of the installation opening, and therefore the sealing performance of the joint is better.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pipeline flexible connection structure for pulling out wheel car hydraulic system, including hose (1), its characterized in that: two symmetrically arranged fixing rings (2) are fixedly sleeved on the outer peripheral surface of the flexible connecting pipe (1), and two symmetrically arranged fixing blocks (4) are fixedly connected to one side of each fixing ring (2) through screws;

two equal sliding fit of inside of fixed block (4) has fixture block (5), screw fixedly connected with pull rod (6) are passed through to one side of fixture block (5), on fixed block (4) with set up special-shaped groove jointly on fixed ring (2), the inside movable hinge in special-shaped groove has movable rod (8), sliding fit has telescopic link one (7) and telescopic link two (9) of two symmetrical arrangement respectively on movable rod (8), the other end movable hinge in telescopic link one (7) is in the other end of pull rod (6), screw rod (13) are installed through the bearing rotation on the inner wall in special-shaped groove, the thread bush is equipped with sleeve (12) on the outer peripheral face of screw rod (13), screw fixedly connected with connecting rod (11) are passed through at the top of sleeve (12), the top of connecting rod (11) is passed through screw fixedly connected with transfer line (10), the other end movable hinge in of telescopic link two (9) is in the one end of transfer line (10), the inside rotation in special-shaped groove installs internal gear (15), the other end (14) are meshed with two external gear (14) respectively.

2. The flexible connection structure for a pipeline of a hydraulic system of a pulling wheel vehicle according to claim 1, wherein: the flexible connecting pipe is characterized in that two symmetrically arranged sealing rings (3) are fixedly sleeved on the outer peripheral surface of the flexible connecting pipe (1), an annular push plate (16) is slidably assembled on the sealing rings (3), and a sealing ring (17) is installed on the annular push plate (16).

3. The flexible connection structure for a pipeline of a hydraulic system of a pulling wheel vehicle according to claim 1, wherein: the fixing block (4) is provided with a clamping groove communicated with the special-shaped groove, and the clamping block (5) is slidably connected in the clamping groove.

4. The flexible connection structure for a pipeline of a hydraulic system of a pulling wheel vehicle according to claim 1, wherein: two symmetrically arranged sliding grooves are formed in the movable rod (8), and the first telescopic rod (7) and the second telescopic rod (9) are respectively and slidably connected to the inner parts of the two sliding grooves.

5. The flexible connection structure for a pipeline of a hydraulic system of a pulling wheel vehicle according to claim 1, wherein: the sleeve (12) is provided with a threaded hole, and the screw rod (13) is in threaded connection with the inside of the threaded hole.

6. The flexible connection structure for a pipeline of a hydraulic system of a pulling wheel vehicle according to claim 2, wherein: the sealing ring (3) is provided with a groove, the annular push plate (16) is slidably connected in the groove, and the bottom wall of the groove is provided with an elastic block (18).