Novel fastening hydraulic pipe joint

Abstract

The utility model provides a novel fastening hydraulic pipe joint, and belongs to the technical field of fluid transmission. The hydraulic pipe joint solves the problem that when a traditional hydraulic pipe joint is accidentally collided, the original accurate installation position of the hydraulic pipe joint may be affected, and therefore deviation is caused. The novel fastening hydraulic pipe joint comprises a joint seat with external threads, a lock nut which is located at one end of the joint seat and used for fixing the joint seat, an inner cavity is formed in one end of the lock nut, a through hole is formed in the other end of the lock nut, a joint short pipe is arranged on the through hole, a clamping ring is arranged on the joint short pipe, and a clamping groove for positioning and installing the clamping ring is formed in the lock nut. The clamping groove is connected with the inner cavity, a mounting groove is formed between the clamping groove and the clamping ring, a stabilizing assembly is arranged in the mounting groove and provided with a supporting ring, a plurality of reset spring pieces are arranged on the inner wall of the supporting ring, and limiting plates used for limiting and fixing the clamping ring are arranged on the reset spring pieces. The hydraulic pipe joint has the advantage of improving the stability of the hydraulic pipe joint.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of fluid transmission technology, and particularly relates to a novel fastening hydraulic pipe joint. BACKGROUND

[0002] The hydraulic pipe joint is a key component for connecting high-pressure oil pipes in a hydraulic system, and its performance directly affects the operation efficiency and safety of the entire system, and is widely used in various mechanical equipment, such as engineering machinery, metallurgical equipment, ships, aircraft, etc.

[0003] When the traditional hydraulic pipe joint is accidentally collided, its originally accurate installation position may be affected, thereby causing deviation; such deviation not only may damage the close fit between the joint and the pipe or related components, but also may affect the overall stability and operation efficiency of the hydraulic system; in an extreme case, the deviated hydraulic pipe joint may even cause leakage, which seriously threatens the performance and safety of the hydraulic system. SUMMARY

[0004] The utility model discloses a novel fastening hydraulic pipe joint to solve the above problems in the prior art.

[0005] The utility model discloses a novel fastening hydraulic pipe joint, including the joint seat with the outer thread, be connected with the lock nut for fixing the joint seat on the one end of joint seat, the lock nut one end has the inner chamber, the other end part sets up the through -hole, its characterized in that, the through -hole on set up the joint stub, the joint stub on set up the snap ring, the lock nut on set up the clamping groove for the snap ring positioning installation, and the clamping groove with the inner chamber are connected, the clamping groove and the snap ring form the installation groove between, set up the stabilizing assembly in the installation groove, the stabilizing assembly sets up the support ring, set up a plurality of reset spring parts on the inner wall of support ring, the reset spring part on set up the limit stop for the fixed snap ring limit stop, and limit stop is the arc structure.

[0006] In the above-mentioned novel fastening hydraulic pipe joint, the reset spring part outer wall is sleeved with the elastic sleeve that plays a protection role, and the reset spring part and the support ring are integrally designed.

[0007] In the above-mentioned novel fastening hydraulic pipe joint, the joint seat and the joint stub are provided with a sealing gasket for sealing.

[0008] In the above-mentioned novel fastening hydraulic pipe joint, the outer end of the joint seat and the joint stub is threadedly connected with a pipe fitting.

[0009] Compared with the prior art, the hydraulic pipe joint of the new type can keep stable force under different working conditions through the self-adaptive stabilizing assembly, effectively resist vibration and impact, improve the strength, safety and overall stability of the hydraulic pipe joint, and prolong the service life of the hydraulic pipe joint. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a schematic view of the three-dimensional structure of the new type of fastening hydraulic pipe joint.

[0011] Figure 2 is a sectional view of the new type of fastening hydraulic pipe joint.

[0012] Figure 3 is a schematic view of the stabilizing assembly of the new type of fastening hydraulic pipe joint.

[0013] In the figure, 1 is a joint seat, 2 is a lock nut, 3 is an inner cavity, 4 is a through hole, 5 is a joint stub, 6 is a clamping ring, 7 is a clamping groove, 8 is a mounting groove, 9 is a supporting ring, 10 is a reset spring piece, 11 is a limiting plate, 12 is an elastic sleeve, and 13 is a sealing gasket. DETAILED DESCRIPTION

[0014] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0015] As shown in Figure 1 , Figure 2 , Figure 3 , the new type of fastening hydraulic pipe joint comprises a joint seat 1 with external threads, a lock nut 2 for fixing the joint seat 1 is connected to one end of the joint seat 1, the lock nut 2 has an inner cavity 3 at one end, a through hole 4 is formed at the other end, a joint stub 5 is arranged on the through hole 4, a clamping ring 6 is arranged on the joint stub 5, a clamping groove 7 is arranged on the lock nut 2 for positioning and mounting the clamping ring 6, the joint stub 5 is sleeved in the through hole 4 of the lock nut 2 and is fixed on the clamping groove 7 of the lock nut 2 through the clamping ring 6, and the groove is connected with the inner cavity 3, the mounting groove 8 is formed between the clamping groove 7 and the clamping ring 6, a stabilizing assembly is arranged in the mounting groove 8, the stabilizing assembly is provided with a supporting ring 9, a plurality of reset spring pieces 10 are arranged on the inner wall of the supporting ring 9, a limiting plate 11 for limiting and fixing the clamping ring 6 is arranged on the reset spring piece 10, and the limiting plate 11 is of an arc structure, the arc-shaped limiting plate 11 better adheres to the surface of the clamping ring 6 to fix it, when the joint stub 5 is impacted, the clamping ring 6 is offset and presses the limiting plate 11, after the impact ends, the limiting plate 11 pushes the clamping ring 6 and resets under the action of the reset spring piece 10, preventing the clamping ring 6 from loosening after being impacted.

[0016] Further, the reset spring member 10 is sleeved with an elastic sleeve 12 for protection.

[0017] Further, a sealing gasket 13 is arranged between the joint base 1 and the joint stub pipe 5 for sealing.

[0018] Further, the joint base 1 and the joint stub pipe 5 are both threaded with pipe fittings.

[0019] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0020] Although the terms such as joint base 1, lock nut 2, inner cavity 3, through hole 4, joint stub pipe 5, clasp ring 6, clamping groove 7, mounting groove 8, support ring 9, reset spring member 10, limiting plate 11, elastic sleeve 12, sealing gasket 13 are used more frequently herein, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any additional limitation is contrary to the spirit of the present application.

Claims

1. A novel hydraulic pipe fitting, comprising a fitting seat (1) with external threads, a locking nut (2) for fixing the fitting seat (1) connected to one end of the fitting seat (1), the locking nut (2) having an inner cavity (3) at one end and a through hole (4) at the other end, characterized in that, A connector short tube (5) is provided on the through hole (4), a retaining ring (6) is provided on the connector short tube (5), a retaining groove (7) is provided on the lock nut (2) for positioning and installing the retaining ring (6), and the retaining groove (7) is connected to the inner cavity (3). An installation groove (8) is formed between the retaining groove (7) and the retaining ring (6). A stabilizing component is provided in the installation groove (8), and a supporting ring (9) is provided in the stabilizing component. Several reset springs (10) are provided on the inner wall of the supporting ring (9). A limiting plate (11) for limiting and fixing the retaining ring (6) is provided on the reset spring (10), and the limiting plate (11) is an arc-shaped structure.

2. The novel fastening hydraulic pipe joint according to claim 1, characterized in that, The outer wall of the reset spring (10) is fitted with an elastic sleeve (12) for protection. The reset spring (10) and the support ring (9) are designed as a single unit.

3. A novel fastening hydraulic pipe joint according to claim 1, characterized in that, A sealing gasket (13) is provided between the connector seat (1) and the connector short pipe (5) to provide a sealing function.

4. A novel fastening hydraulic pipe joint according to claim 1, characterized in that, Both the connector seat (1) and the connector short pipe (5) have pipe fittings threaded to their outer ends.

Images