CN220623094U - Hydraulic pipe connection structure - Google Patents

Abstract

The utility model discloses a hydraulic pipe connecting structure, which relates to the technical field of connecting structures, and comprises a connector and a pipe body of a hydraulic pipe, wherein the connector comprises an inner cylinder and an outer cylinder which are respectively arranged at two ends and are integrally formed, a gap is formed between the inner cylinder and the outer cylinder, the pipe body is inserted into the gap and is in interference fit with the outer side wall of the inner cylinder, a plurality of groups of extrusion assemblies are arranged at the central position on the outer cylinder in a circle, each group of extrusion assemblies comprises a pair of adjusting screws and a push plate, and a pair of threaded holes are arranged on the outer cylinder along the axial direction; according to the utility model, the hydraulic pipe body is directly sleeved on the inner cylinder, the outer side wall of the hydraulic pipe body is tightly pressed by the push plate on the outer cylinder, and meanwhile, the two sides of the hydraulic pipe body on the inner cylinder are tightly screwed and fixed by using the iron wires, so that the hydraulic pipe head is not required to be subjected to pretreatment, the hydraulic pipe head is directly installed and fixed, and the tightness is ensured by adopting a multiple fixing mode.

Description

Hydraulic pipe connection structure

Technical Field

The utility model relates to the technical field of connecting structures, in particular to a hydraulic pipe connecting structure.

Background

The hydraulic pipe is a pipeline for transmitting hydraulic pressure, and the hydraulic pipe joint is a component for connecting the hydraulic pipe and the hydraulic pipe in a hydraulic system.

The existing hydraulic pipe connecting structure generally adopts flange connection or threaded connection, the flange connection has good tightness, but the flange needs to be fixed with the hydraulic pipe in advance, and the precondition is complex; the dismounting of threaded connection is comparatively simple and convenient, but the leakproofness is relatively poor compared with flange connection, and long-time screw thread easily takes place corrosion, and the leakproofness can be poorer. Therefore, there is a need for a hydraulic pipe connection structure that is better in sealability and convenient to install.

Disclosure of Invention

According to the hydraulic pipe connecting structure, the hydraulic pipe body is directly sleeved on the inner cylinder, the outer side wall of the hydraulic pipe body is tightly pressed through the push plate on the outer cylinder, and meanwhile, iron wires are used for tightening and fixing the two sides of the pipe body on the inner cylinder.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a hydraulic pipe connection structure, includes the body that connects and hydraulic pipe, connect including integrated into one piece's inner tube and the urceolus that both ends set up respectively, form the clearance between inner tube and the urceolus, the body inserts in the clearance, and with inner tube lateral wall interference fit, the multiunit extrusion subassembly that central point put round on the urceolus set up, every group extrusion subassembly includes a pair of adjusting screw and push pedal, be provided with a pair of screw hole along the axial direction on the urceolus, a pair of adjusting screw connects soon with the screw hole in, the push pedal is located the clearance, and the bottom and the push pedal lateral wall rotation of screw are connected, a pair of through-hole has been seted up respectively to the urceolus position that corresponds extrusion subassembly both sides, run through in the through-hole and be provided with the iron wire, the iron wire encircles two rings of the outer lateral wall of hydraulic pipe body, the outside of outer tube through-hole is run through at iron wire both ends and can screw up fixedly.

Preferably, the outer side wall of the inner cylinder is provided with a groove corresponding to the radial position of the screwed iron wire.

Preferably, barbs are arranged on the outer side wall of the inner cylinder.

Preferably, the push plate is provided with a bulge facing the side wall of the pipe body.

The utility model provides a hydraulic pipe connecting structure, which has the following beneficial effects:

1. the hydraulic pipe body is directly sleeved on the inner cylinder, the outer side wall of the hydraulic pipe body is tightly pressed by the push plate on the outer cylinder, and the two sides of the hydraulic pipe body on the inner cylinder are tightly screwed and fixed by the iron wires.

2. The outer side wall of the inner cylinder is provided with the barbs, so that the hydraulic pipe is prevented from slipping due to pulling in the working process, and the fixing of the hydraulic pipe is enhanced through the fact that the protrusions on the push plate act similarly to the barbs; the inner tube corresponds the iron wire and bindes the department and be provided with the recess, and the hydraulic pressure pipe body can imbed when the iron wire is tightened, strengthens fixed effect.

Drawings

Fig. 1 is a schematic front view in cross section of a hydraulic pipe connection structure according to the present utility model.

In the figure: 1. a tube body; 2. an iron wire; 3. an outer cylinder; 4. a push plate; 5. a barb; 6. an inner cylinder; 7. a joint; 8. a through hole; 9. an adjusting screw; 10. a protrusion; 11. a threaded hole; 12. a groove.

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.

As shown in fig. 1, a hydraulic pipe connecting structure comprises a joint 7 and a pipe body 1 of a hydraulic pipe, wherein the joint 7 comprises an inner cylinder 6 and an outer cylinder 3 which are integrally formed, two ends of the inner cylinder 6 and the outer cylinder 3 are respectively arranged, a gap is formed between the inner cylinder 6 and the outer cylinder 3, the pipe body 1 is inserted into the gap and is in interference fit with the outer side wall of the inner cylinder 6, a plurality of groups of extrusion and pushing assemblies are arranged at the central position on the outer cylinder 3 in a circle, each group of extrusion and pushing assemblies comprises a pair of adjusting screws 9 and a push plate 4, a pair of threaded holes 11 are arranged on the outer cylinder 3 along the axial direction, the pair of adjusting screws 9 are screwed into the threaded holes 11, the push plate 4 is positioned in the gap, the bottoms of the screws are rotatably connected with the side walls of the push plate 4, a pair of through holes 8 are respectively formed at the positions of the outer cylinder 3 corresponding to the two sides of the extrusion and pushing assemblies, iron wires 2 are penetrated and are arranged in the through holes 8 in two circles around the outer side wall of the hydraulic pipe body 1, and two ends of the iron wires 2 penetrate out of the through holes 8 and can be screwed and fixed; a groove 12 is formed in the outer side wall of the inner cylinder 6 at a radial position corresponding to the tightening position of the iron wire 2; barbs 5 are arranged on the outer side wall of the inner cylinder 6; the push plate 4 is provided with a bulge 10 facing the side wall of the pipe body 1.

The detailed connection means are known in the art, and the following mainly introduces the working principle and process, specifically as follows:

as can be seen from fig. 1 of the specification, when the hydraulic pipe is installed, firstly, one end of a hydraulic pipe body 1 is inserted into a gap formed by an inner cylinder 6 and an outer cylinder 3 and is in interference fit with the outer side wall of the inner cylinder 6; then, a plurality of groups of extrusion and pushing assemblies are arranged at the central position on the outer cylinder 3 in a circle, and each group of extrusion and pushing assemblies comprises a pair of adjusting screws 9 and a push plate 4, and the adjusting screws 9 are rotationally connected with the push plates 4 in the gap, so that the push plates 4 can be pushed to extrude towards the hydraulic pipe body 1 by rotating the adjusting screws 9 screwed with the threaded holes 11 of the outer cylinder 3, and the push plates 4 in the plurality of groups of extrusion and pushing assemblies are used for extruding and fixing one circle of the hydraulic pipe body 1, so that the tightness and the stability of the hydraulic pipe body are ensured; and finally, the iron wire 2 penetrating through the through hole 8 of the outer cylinder 3 is screwed down, the iron wire 2 is used for at least two circles of the annular hydraulic pipe body 1, specifically, the iron wire 2 can be reserved and prepared before the hydraulic pipe body 1 is inserted into a gap, the circles are encircled in advance, the space for inserting the pipe body 1 is reserved in the center, finally, after the pipe body 1 is inserted, the push plate 4 is fixed, the screw down is performed again, and the screw down can be performed by using pliers, so that the whole fixed installation is completed. Compared with the prior art, the hydraulic pipe head is directly installed and fixed without performing the pretreatment work, such as a front-stage butt flange, a butt threaded head and the like, and a multiple fixing mode is adopted to ensure the tightness, and in addition, the hydraulic pipe head is relatively convenient to detach.

The outer side wall of the inner cylinder 6 is provided with a groove 12 corresponding to the radial position of the screwed iron wire 2, and the hydraulic pipe body 1 can be embedded when the iron wire 2 is tightened, so that the fixing effect is enhanced; the outer side wall of the inner cylinder 6 is provided with barbs 5, so that the hydraulic pipe is prevented from slipping due to pulling in the working process, and the fixing of the hydraulic pipe is enhanced through the protrusions 10 on the push plate 4 and the barbs 5 which act similarly.

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 (4)

1. The utility model provides a hydraulic pipe connection structure, its characterized in that, body (1) including joint (7) and hydraulic pipe, joint (7) are including integrated into one piece's inner tube (6) and urceolus (3) that both ends set up respectively, form the clearance between inner tube (6) and the urceolus (3), body (1) are inserted in the clearance, and with inner tube (6) lateral wall interference fit, multiunit extrusion subassembly that central point put round set up on urceolus (3), every group extrusion subassembly includes a pair of adjusting screw (9) and push pedal (4), be provided with a pair of screw hole (11) along axial direction on urceolus (3), a pair of adjusting screw (9) are screwed in screw hole (11), push pedal (4) are located the clearance, and the bottom of screw is connected with push pedal (4) lateral wall rotation, a pair of through-hole (8) have been seted up respectively to the position of urceolus (3) correspondence extrusion subassembly both sides, run through in through-hole (8) and be provided with iron wire (2), iron wire (2) encircle hydraulic pipe body (1) lateral wall (2) both ends (3) can be screwed out in the outside through-hole (8) and can be fixed.

2. The hydraulic pipe connecting structure according to claim 1, wherein the outer side wall of the inner cylinder (6) is provided with a groove (12) corresponding to the radial position where the iron wires (2) are screwed down.

3. A hydraulic pipe connection according to claim 1, characterized in that the outer side wall of the inner cylinder (6) is provided with barbs (5).

4. A hydraulic pipe connection according to claim 1, characterized in that the push plate (4) is provided with protrusions (10) facing the side wall of the pipe body (1).