Hydraulic automatic butt joint capable of preventing leakage

Abstract

The utility model relates to a hydraulic automatic butt joint capable of preventing leakage in the field of hydraulic joints. The hydraulic automatic butt joint is formed by connecting a first automatic joint and a second automatic joint. The first automatic connector comprises a valve body, a valve deck, a valve element, a piston rod, a sleeve, a check ring, a screw plug, a valve body one-way valve, an opening check ring, a valve body O-shaped ring and a valve body spring. The second automatic connector comprises a connector one-way valve, a plug, a connector spring and a connector O-shaped ring. According to the utility model, the joint at any end is fixed, the joint at the other end is butted with the joint under horizontal thrust, the two ends of the piston rod in the joint can automatically push away the one-way valves in the two joints along with the movement of the joint, so that an oil path is switched on or switched off, and when the two joints are separated, the spring seals the one-way valves; the purposes of no oil leakage and automatic connection are achieved.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic joints, in particular to a hydraulic automatic butt joint capable of preventing leakage. Background Art

[0002] Hydraulic couplings are used in various applications, for example in steering mechanisms, fans or other drive components of vehicles, such as industrial machines, conveyors, commercial and marine vehicles.

[0003] Currently, all hydraulic butt joints are equipped with a fixed locking ring, which prevents them from automatically docking and separating. Therefore, a leakage-proof hydraulic automatic butt joint is designed, with one-way valves at both ends to prevent hydraulic oil leakage. Utility Model Content

[0004] The purpose of the utility model is to address the above problems in the prior art and to provide a hydraulic automatic butt joint that prevents leakage.

[0005] A hydraulic automatic butt joint for preventing leakage, which is composed of an automatic joint 1 and an automatic joint 2;

[0006] The automatic joint includes a valve body, a valve cover, a valve core, a piston rod, a sleeve, a retaining ring, a screw plug, a valve body check valve, an opening retaining ring, a valve body O-ring, and a valve body spring;

[0007] The valve cover is arranged on the outside of the valve core, the piston rod is connected to the valve body one-way valve, the sleeve is arranged next to the retaining ring, the screw plug is connected to the valve body one-way valve, the opening retaining ring is arranged on the piston rod, the valve body O-ring is arranged at the valve body gap, and the valve body spring is respectively arranged on the piston rod, the screw plug, the valve body one-way valve, and the valve body;

[0008] The automatic joint 2 includes a joint check valve, a plug, a joint spring, and a joint O-ring;

[0009] The joint one-way valve is connected to the plug via a joint spring, and a joint O-ring is respectively arranged on the joint one-way valve and the plug.

[0010] Furthermore, a hydraulic automatic docking joint for preventing leakage, wherein the valve body O-rings include valve body O-ring 1, valve body O-ring 2, valve body O-ring 3, valve body O-ring 4, valve body O-ring 5, and valve body O-ring 6, and the number of each is 2;

[0011] The outer diameter of the O-ring 1 is 19.1 mm, the outer diameter of the valve body O-ring 2 is 26 mm, the outer diameter of the valve body O-ring 3 is 27.9 mm, the outer diameter of the valve body O-ring 4 is 11.6 mm, the outer diameter of the valve body O-ring 5 is 14.2 mm, and the outer diameter of the valve body O-ring 6 is 20.6 mm.

[0012] Furthermore, a hydraulic automatic docking joint for preventing leakage, wherein the joint O-ring includes a joint O-ring 1 and a joint O-ring 2, both of which are 2 in number;

[0013] The outer diameter of the connector O-ring 1 is 6.3 mm, and the outer diameter of the connector O-ring 2 is 25 mm;

[0014] The materials of the joint O-ring and the valve body O-ring are both rubber.

[0015] Furthermore, a hydraulic automatic docking joint is provided to prevent leakage, wherein the valve body O-ring 1 is arranged at the connection between the valve core and the valve body, the valve body O-ring 2 is arranged at the connection between the valve body and the valve cover, the valve body O-ring 3 is arranged on the valve body, the valve body O-ring 4 is arranged at the connection between the valve body and the valve body one-way valve, the valve body O-ring 5 is arranged at the connection between the sleeve and the retaining ring, and the valve body O-ring 6 is arranged at the connection between the valve body and the screw plug.

[0016] Furthermore, a hydraulic automatic docking joint is provided to prevent leakage, wherein the joint O-ring is arranged on the joint one-way valve.

[0017] Furthermore, in a hydraulic automatic butt joint for preventing leakage, the valve body spring comprises a valve body spring 1, a valve body spring 2, and a valve body spring 3;

[0018] The screw plug and the valve body one-way valve are flexibly connected through a valve body spring 1, and a valve body spring 2 and a valve body spring 3 are both arranged on the valve core.

[0019] Furthermore, a hydraulic automatic docking joint is provided to prevent leakage, wherein the automatic joint 1 and the automatic joint 2 are connected by a joint spring.

[0020] The beneficial effects of the utility model are as follows: by fixing the joint at any one end, the joint at the other end is subjected to horizontal thrust to dock with it. As the joint moves, the two ends of the piston rod in the joint will automatically push open the one-way valves in the two joints to connect the oil circuit. On the contrary, when the two joints are disengaged, the spring seals the one-way valve, achieving the purpose of preventing oil leakage and automatic connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional view of a hydraulic automatic butt joint.

[0022] Figure 2 A side view of a hydraulic automatic butt joint.

[0023] Figure 3 This is a cross-sectional view of automatic connector 1.

[0024] Figure 4 This is a cross-sectional view of automatic joint 2.

[0025] Figure 5This is a side view of automatic joint 2.

[0026] In the figure: 1-valve body, 2-valve cover, 3-valve core, 4-piston rod, 5-sleeve, 6-retaining ring, 7-screw plug, 8-valve body check valve, 9-opening retaining ring, 10-valve body O-ring 1, 11-valve body O-ring 2, 12-valve body O-ring 3, 13-valve body O-ring 4, 14-valve body O-ring 5, 15-valve body O-ring 6, 16-valve body spring 1, 17-valve body spring 2, 18-valve body spring 3, 19-automatic connector 1, 20-automatic connector 2, 21-connector check valve, 22-plug, 23-connector spring, 24-connector O-ring 1, 25-connector O-ring 2. DETAILED DESCRIPTION

[0027] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation methods of the present invention are now described with reference to the accompanying drawings.

[0028] As attached Figures 1 and 2 As shown, a hydraulic automatic butt joint for preventing leakage is composed of an automatic joint 19 and an automatic joint 20;

[0029] The automatic joint 19 includes a valve body 1, a valve cover 2, a valve core 3, a piston rod 4, a sleeve 5, a retaining ring 6, a screw plug 7, a valve body one-way valve 8, an opening retaining ring 9, a valve body O-ring, and a valve body spring;

[0030] As attached Figure 3 As shown, the valve cover 2 is arranged on the outside of the valve core 3, the piston rod 4 is connected to the valve body check valve 8, the sleeve 5 is arranged next to the retaining ring 6, the screw plug 7 is connected to the valve body check valve 8, the open retaining ring 9 is arranged on the piston rod 4, the valve body O-ring is arranged at the gap of the valve body 1, and the valve body spring is respectively arranged on the piston rod 4, the screw plug 7, the valve body check valve 8, and the valve body 1;

[0031] As attached Figures 4 and 5 As shown, the automatic connector 20 includes a connector check valve 21, a plug 22, a connector spring 23, and a connector O-ring;

[0032] The joint one-way valve 21 is connected to the plug 22 via a joint spring 23 , and a joint O-ring is respectively provided on the joint one-way valve 21 and the plug 22 .

[0033] Furthermore, a hydraulic automatic docking joint for preventing leakage, wherein the valve body O-rings include valve body O-ring 10, valve body O-ring 2 11, valve body O-ring 3 12, valve body O-ring 4 13, valve body O-ring 5 14, and valve body O-ring 6 15, and the number of each is 2;

[0034] The outer diameter of the O-ring 10 is 19.1 mm, the outer diameter of the valve body O-ring 2 11 is 26 mm, the outer diameter of the valve body O-ring 3 12 is 27.9 mm, the outer diameter of the valve body O-ring 4 13 is 11.6 mm, the outer diameter of the valve body O-ring 5 14 is 14.2 mm, and the outer diameter of the valve body O-ring 6 15 is 20.6 mm.

[0035] Furthermore, a hydraulic automatic docking joint for preventing leakage, wherein the joint O-rings include a joint O-ring 1 24 and a joint O-ring 2 25, both of which are 2 in number;

[0036] The outer diameter of the joint O-ring 1 24 is 6.3 mm, and the outer diameter of the joint O-ring 2 25 is 25 mm;

[0037] The materials of the joint O-ring and the valve body O-ring are both rubber.

[0038] Furthermore, a hydraulic automatic docking joint is provided to prevent leakage, wherein the valve body O-ring 1 is arranged at the connection between the valve core 3 and the valve body 1, the valve body O-ring 2 11 is arranged at the connection between the valve body 1 and the valve cover 2, the valve body O-ring 3 12 is arranged on the valve body 1, the valve body O-ring 4 13 is arranged at the connection between the valve body 1 and the valve body one-way valve 8, the valve body O-ring 5 14 is arranged at the connection between the sleeve 5 and the retaining ring 6, and the valve body O-ring 6 15 is arranged at the connection between the valve body 1 and the screw plug 7.

[0039] Furthermore, a hydraulic automatic docking joint is provided to prevent leakage, wherein the joint O-ring 24 is provided on the joint one-way valve 21.

[0040] Furthermore, a hydraulic automatic docking joint for preventing leakage, wherein the valve body spring includes a valve body spring 16, a valve body spring 2 17, and a valve body spring 3 18;

[0041] The screw plug 7 and the valve body one-way valve 8 are flexibly connected through the valve body spring 1 16 , and the valve body spring 2 17 and the valve body spring 3 18 are both arranged on the valve core 3 .

[0042] Furthermore, a hydraulic automatic docking joint is provided to prevent leakage, wherein the automatic joint 19 and the automatic joint 2 20 are connected via a joint spring 23.

[0043] This solution uses a hydraulic automatic docking joint to prevent leakage. By fixing the joint at any end, the joint at the other end is subjected to horizontal thrust to dock with it. As the joint moves, the two ends of the piston rod in the joint will automatically push open the one-way valves in the two joints to connect the oil circuit. On the contrary, when the two joints are disengaged, the spring seals the one-way valve, achieving the purpose of preventing oil leakage and automatic connection.

[0044] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic automatic butt joint to prevent leakage, characterized in that: It is composed of an automatic connector 1 (19) and an automatic connector 2 (20); The automatic joint 1 (19) comprises a valve body (1), a valve cover (2), a valve core (3), a piston rod (4), a sleeve (5), a retaining ring (6), a screw plug (7), a valve body one-way valve (8), an opening retaining ring (9), a valve body O-ring, and a valve body spring; The valve cover (2) is arranged on the outside of the valve core (3), the piston rod (4) is connected to the valve body check valve (8), the sleeve (5) is arranged next to the retaining ring (6), the screw plug (7) is connected to the valve body check valve (8), the open retaining ring (9) is arranged on the piston rod (4), the valve body O-ring is arranged at the gap of the valve body (1), and the valve body spring is respectively arranged on the piston rod (4), the screw plug (7), the valve body check valve (8), and the valve body (1); The automatic connector 2 (20) includes a connector one-way valve (21), a plug (22), a connector spring (23), and a connector O-ring; The joint one-way valve (21) is connected to the plug (22) via a joint spring (23), and the joint O-ring is respectively arranged on the joint one-way valve (21) and the plug (22).

2. The leakage-proof hydraulic automatic butt joint according to claim 1, characterized in that: The valve body O-rings include valve body O-ring one (10), valve body O-ring two (11), valve body O-ring three (12), valve body O-ring four (13), valve body O-ring five (14), and valve body O-ring six (15), and the number of each is 2; The outer diameter of the O-ring 1 (10) is 19.1 mm, the outer diameter of the valve body O-ring 2 (11) is 26 mm, the outer diameter of the valve body O-ring 3 (12) is 27.9 mm, the outer diameter of the valve body O-ring 4 (13) is 11.6 mm, the outer diameter of the valve body O-ring 5 (14) is 14.2 mm, and the outer diameter of the valve body O-ring 6 (15) is 20.6 mm.

3. The leakage-proof hydraulic automatic butt joint according to claim 1, characterized in that: The joint O-rings include a joint O-ring 1 (24) and a joint O-ring 2 (25), both of which are 2 in number; The outer diameter of the connector O-ring 1 (24) is 6.3 mm, and the outer diameter of the connector O-ring 2 (25) is 25 mm; The materials of the joint O-ring and the valve body O-ring are both rubber.

4. The leakage-proof hydraulic automatic butt joint according to claim 2, characterized in that: The valve body O-ring 1 is arranged at the connection between the valve core (3) and the valve body (1), the valve body O-ring 2 (11) is arranged at the connection between the valve body (1) and the valve cover (2), the valve body O-ring 3 (12) is arranged on the valve body (1), the valve body O-ring 4 (13) is arranged at the connection between the valve body (1) and the valve body one-way valve (8), the valve body O-ring 5 (14) is arranged at the connection between the sleeve (5) and the retaining ring (6), and the valve body O-ring 6 (15) is arranged at the connection between the valve body (1) and the screw plug (7).

5. The leakage-proof hydraulic automatic butt joint according to claim 3, characterized in that: The joint O-ring 1 (24) is arranged on the joint one-way valve (21).

6. The leakage-proof hydraulic automatic butt joint according to claim 1, characterized in that: The valve body spring includes valve body spring 1 (16), valve body spring 2 (17), and valve body spring 3 (18); The screw plug (7) and the valve body one-way valve (8) are flexibly connected via a valve body spring 1 (16), and a valve body spring 2 (17) and a valve body spring 3 (18) are both arranged on the valve core (3).

7. The leakage-proof hydraulic automatic butt joint according to claim 1, characterized in that: The automatic joint 1 (19) and the automatic joint 2 (20) are connected via a joint spring (23).

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