Adjustable connecting structure of hydraulic joint

Abstract

The utility model relates to the technical field of hydraulic joints, in particular to a hydraulic joint adjustable connecting structure which comprises a first hydraulic pipe joint, the surface of a second hydraulic pipe joint is inserted into the first hydraulic pipe joint, and an annular clamping groove is formed in the surface of the second hydraulic pipe joint. The adjustable connecting structure of the hydraulic connector has the beneficial effects that the surface of the second hydraulic pipe connector is inserted into the first hydraulic pipe connector, so that the surface of a limiting clamping ball is clamped into an annular clamping groove, and the limiting clamping ball is extruded into the annular clamping groove by the inner wall of a limiting lantern ring; therefore, the second hydraulic pipe joint is stably locked in the first hydraulic pipe joint and cannot be pulled out and separated, and connection between the first hydraulic pipe joint and the second hydraulic pipe joint is achieved. Therefore, liquid between the first hydraulic pipe joint and the second hydraulic pipe joint can circulate.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic joints, in particular to an adjustable connection structure of a hydraulic joint. Background Art

[0002] Hydraulic pipe fittings are parts that connect pipes in hydraulic systems or install pipes on hydraulic components. They are a general term for connectors that can be installed and removed in fluid passages. With the development of the machinery industry and the increase in various technical indicators, the requirements for hydraulic pipe fittings are getting higher and higher.

[0003] However, in the prior art, most of the hydraulic pipes are connected by connecting two pipe heads through a knob. Therefore, it is troublesome to disassemble the two pipe heads with the help of tools. After the two pipe heads are disassembled, liquid cannot flow and has no interception effect. It is also necessary to find another sealing plug to block one of the pipe heads.

[0004] Therefore, we need an adjustable connection structure for a hydraulic joint, which can solve the problem of quick installation connection of the existing hydraulic pipe head connection and can also realize the interception of the flow of liquid in the hydraulic pipe head. Utility Model Content

[0005] The utility model aims to provide an adjustable connection structure of a hydraulic joint to solve the problem of quick installation connection of the existing hydraulic pipe head connection proposed in the above background technology, and can also realize the interception of liquid flow in the hydraulic pipe head.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic joint adjustable connection structure, including a hydraulic pipe joint 1, the interior of the hydraulic pipe joint 1 is plugged into the surface of the hydraulic pipe joint 2, the surface of the hydraulic pipe joint 2 is provided with an annular groove, the surface of the annular groove is engaged with the surface of a limiting clamping ball, the surface of the limiting clamping ball is movably connected to the interior of a clamping ball shrinkage groove, the clamping ball shrinkage groove is arranged on the outer wall surface of the hydraulic pipe joint 1, the surface of the hydraulic pipe joint 1 is movably connected to the interior of the limiting sleeve ring, and a reset spring is arranged on the outer wall surface of the hydraulic pipe joint 1.

[0007] Preferably, the inner surface of the hydraulic pipe joint 2 is fixedly connected to the end of the fixed rod, the surface of the fixed rod is fixedly connected to the end of the pushing rod, the other end of the pushing rod is fixedly connected to the surface of the pushing block, the surface of the pushing block is against the groove surface of the rubber cone block, the surface of the rubber cone block is fixedly connected to the end of the movable rod, the surface of the movable rod is inside the rubber sealing plug, and the surface of the movable rod is movably connected to the inside of the hydraulic pipe joint 1.

[0008] Preferably, a spring sleeve is provided inside the first hydraulic pipe joint, an extrusion spring is arranged on the surface of the spring sleeve, and the inner surface of the extrusion spring is sleeved on the surface of the movable rod.

[0009] Preferably, the number of the limit locking balls is two, and the two limit locking balls are arranged along the center point of the second hydraulic pipe joint.

[0010] Preferably, a groove is arranged inside the limiting collar, a return spring is arranged on the surface of the inner groove of the limiting collar, and the surface of the return spring is sleeved on the surface of the first hydraulic pipe joint.

[0011] Preferably, the center points of the hydraulic pipe joint 1, the hydraulic pipe joint 2 and the spring sleeve are arranged on the same horizontal line.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: by inserting the surface of the hydraulic pipe joint 2 into the interior of the hydraulic pipe joint 1, the surface of the limit clamping ball is clamped into the interior of the annular clamping groove, so that the limit clamping ball is squeezed into the interior of the annular clamping groove by the inner wall of the limit sleeve, so that the hydraulic pipe joint 2 is firmly locked in the interior of the hydraulic pipe joint 1 and will not be pulled out and detached, thereby realizing the connection between the hydraulic pipe joint 1 and the hydraulic pipe joint 2, by fixing the end of the fixing rod to the inner surface of the hydraulic pipe joint 2, and fixing the surface of the fixing rod to the end of the pushing rod, when the movable rod drives the rubber sealing plug to move leftward inside the hydraulic pipe joint 1, the rubber sealing plug is separated from the surface of the through hole inside the hydraulic pipe joint 1, thereby realizing that the liquid between the hydraulic pipe joint 1 and the hydraulic pipe joint 2 can flow, and the movable rod drives the rubber sealing plug to move rightward to seal the through hole inside the hydraulic pipe joint 1, thereby realizing the effect of the liquid inside the hydraulic pipe joint 1 being intercepted; further solving the problem of the existing quick installation connection of the hydraulic pipe head connection, and also realizing the interception of the liquid flow in the hydraulic pipe head. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional schematic diagram of the overall structure of the utility model:

[0014] Figure 2 This is a schematic side view of the overall structure of the utility model:

[0015] Figure 3 for Figure 2 Structural section at AA:

[0016] Figure 4 This is a schematic diagram of the connection between the ball-carding shrinkage groove and the annular card slot:

[0017] Figure 5 Schematic diagram of hydraulic pipe joint 2 and pushing rod:

[0018] Figure 6 Schematic diagram of the rubber cone block and rubber sealing plug.

[0019] In the figure: hydraulic pipe joint 1, limiting collar 2, hydraulic pipe joint 2 3, card ball shrinkage groove 4, limiting card ball 5, annular card groove 6, reset spring 7, fixed rod 8, pushing rod 9, push block 10, rubber cone block 11, spring sleeve 12, extrusion spring 13, movable rod 14, rubber sealing plug 15. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] See also Figure 1-Figure 6 The utility model provides a technical solution: a hydraulic joint adjustable connection structure, including a hydraulic pipe joint 1, characterized in that: the inside of the hydraulic pipe joint 1 is plugged into the surface of the hydraulic pipe joint 2 3, the surface of the hydraulic pipe joint 2 3 is provided with an annular groove 6, the surface of the annular groove 6 is clamped with the surface of the limit clamping ball 5, the surface of the limit clamping ball 5 is movably connected to the inside of the clamping ball shrinkage groove 4, the clamping ball shrinkage groove 4 is arranged on the outer wall surface of the hydraulic pipe joint 1, the surface of the hydraulic pipe joint 1 is movably connected to the inside of the limit collar 2, and a reset spring 7 is arranged on the outer wall surface of the hydraulic pipe joint 1, and the surface of the hydraulic pipe joint 2 3 is plugged into the inside of the hydraulic pipe joint 1, so that the surface of the limit clamping ball 5 is clamped to the annular groove 6. The inner wall of the limiting collar 2 squeezes the limiting ball 5 into the annular groove 6, so that the hydraulic pipe joint 23 is firmly locked in the inner wall of the limiting collar 2 and will not be pulled out, thereby realizing the connection between the hydraulic pipe joint 1 and the hydraulic pipe joint 23. When the hydraulic pipe joint 23 needs to be pulled out from the inner wall of the hydraulic pipe joint 1, the limiting collar 2 is pulled to the left so that the convex block on the surface of the hydraulic pipe joint 1 picks the limiting ball 5 out of the surface of the annular groove 6. Therefore, the limiting ball 5 shrinks to the groove on the inner wall of the limiting collar 2, so that the hydraulic pipe joint 23 can be pulled out from the inner wall of the hydraulic pipe joint 1, and then the elastic force of the reset spring 7 resets the limiting collar 2 to the surface of the hydraulic pipe joint 1.

[0023] Embodiment 2

[0024] Refer to the attached Figures 1 to 6On the basis of the first embodiment, in order to realize the liquid circulation between the hydraulic pipe joint 1 and the hydraulic pipe joint 2 3, the inner surface of the hydraulic pipe joint 2 3 is fixedly connected to the end of the fixed rod 8, the surface of the fixed rod 8 is fixedly connected to the end of the pushing rod 9, the other end of the pushing rod 9 is fixedly connected to the surface of the push block 10, the surface of the push block 10 is against the groove surface of the rubber cone block 11, the surface of the rubber cone block 11 is fixedly connected to the end of the movable rod 14, the surface of the movable rod 14 is inside the rubber sealing plug 15, and the surface of the movable rod 14 is movably connected to the inside of the hydraulic pipe joint 1;

[0025] By fixing the end of the fixing rod 8 to the inner surface of the hydraulic pipe joint 2 3 and fixing the surface of the fixing rod 8 to the end of the pushing rod 9, when the hydraulic pipe joint 2 3 is inserted into the interior of the hydraulic pipe joint 1 , the pushing rod 9 pushes the rubber cone block 11, so that the movable rod 14 drives the rubber sealing plug 15 to move leftward inside the hydraulic pipe joint 1 , so that the rubber sealing plug 15 is separated from the through hole surface inside the hydraulic pipe joint 1 , thereby realizing that the liquid between the hydraulic pipe joint 1 and the hydraulic pipe joint 2 3 can flow.

[0026] Embodiment 3

[0027] Refer to the attached Figures 1 to 6 On the basis of the second embodiment, in order to achieve the effect of intercepting the liquid inside the hydraulic pipe joint 1, a spring sleeve 12 is provided inside the hydraulic pipe joint 1, and an extrusion spring 13 is provided on the surface of the spring sleeve 12, and the inner surface of the extrusion spring 13 is sleeved on the surface of the movable rod 14;

[0028] By arranging a spring sleeve 12 inside the hydraulic pipe joint 1, arranging an extrusion spring 13 on the surface of the spring sleeve 12, and sleeved with the extrusion spring 13 on the surface of the movable rod 14, when the hydraulic pipe joint 23 is plugged into the inside of the hydraulic pipe joint 1, the pushing rod 9 pushes the movable rod 14 to drive the rubber sealing plug 15 to move, so that the extrusion spring 13 inside the spring sleeve 12 is compressed, and when the hydraulic pipe joint 23 is pulled out from the inside of the hydraulic pipe joint 1, the elastic force of the extrusion spring 13 causes the rubber cone block 11 to move rightward inside the hydraulic pipe joint 1, so that the movable rod 14 drives the rubber sealing plug 15 to move rightward to seal the through hole inside the hydraulic pipe joint 1, thereby achieving the effect of intercepting the liquid inside the hydraulic pipe joint 1.

[0029] In actual use, by inserting the surface of the hydraulic pipe joint 2 3 into the interior of the hydraulic pipe joint 1 1 , the surface of the limit clamping ball 5 is clamped into the interior of the annular clamping groove 6 , so that the limit clamping ball 5 is squeezed into the interior of the annular clamping groove 6 by the inner wall of the limit collar 2 , so that the hydraulic pipe joint 2 3 is firmly locked in the interior of the hydraulic pipe joint 1 and will not be pulled out and detached, thereby realizing the connection between the hydraulic pipe joint 1 and the hydraulic pipe joint 2 3 , when it is necessary to pull the hydraulic pipe joint 2 3 out of the interior of the hydraulic pipe joint 1 1 , by pulling the limit collar 2 to the left Thus, the convex block on the surface of the hydraulic pipe joint 1 picks out the limiting card ball 5 from the surface of the annular card groove 6, so that the limiting card ball 5 shrinks to the groove on the inner wall of the limiting collar 2, so that the hydraulic pipe joint 2 3 can be pulled out from the inside of the hydraulic pipe joint 1, and then the elastic force of the reset spring 7 resets the limiting collar 2 to the surface of the hydraulic pipe joint 1, and by fixing the end of the fixing rod 8 to the inner surface of the hydraulic pipe joint 2 3, and fixing the surface of the fixing rod 8 to the end of the pushing rod 9, when the hydraulic pipe joint 2 3 is plugged into the inside of the hydraulic pipe joint 1 When the rubber conical block 11 is pushed and moved by the pushing rod 9, the movable rod 14 drives the rubber sealing plug 15 to move leftward inside the hydraulic pipe joint 1, so that the rubber sealing plug 15 is separated from the through hole surface inside the hydraulic pipe joint 1, so that the liquid between the hydraulic pipe joint 1 and the hydraulic pipe joint 2 3 can flow. By arranging a spring sleeve 12 inside the hydraulic pipe joint 1, arranging an extrusion spring 13 on the surface of the spring sleeve 12, and arranging an extrusion spring 13 on the surface of the movable rod 14, when the hydraulic pipe joint 2 3 is plugged into the hydraulic When the hydraulic pipe joint 23 is pulled out from the inside of the hydraulic pipe joint 1, the elastic force of the extrusion spring 13 causes the rubber cone block 11 to move rightward inside the hydraulic pipe joint 1. Therefore, the active rod 14 drives the rubber sealing plug 15 to move rightward to seal the through hole inside the hydraulic pipe joint 1, thereby achieving the effect of intercepting the liquid inside the hydraulic pipe joint 1.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic joint adjustable connection structure, comprising a hydraulic pipe joint (1), characterized in that: The interior of the hydraulic pipe joint 1 (1) is plugged into the surface of the hydraulic pipe joint 2 (3); the surface of the hydraulic pipe joint 2 (3) is provided with an annular groove (6); the surface of the annular groove (6) is engaged with the surface of the limit clamping ball (5); the surface of the limit clamping ball (5) is movably connected to the interior of the clamping ball shrinkage groove (4); the clamping ball shrinkage groove (4) is arranged on the outer wall surface of the hydraulic pipe joint 1 (1); the surface of the hydraulic pipe joint 1 (1) is movably connected to the interior of the limit sleeve ring (2); and a reset spring (7) is arranged on the outer wall surface of the hydraulic pipe joint 1 (1).

2. The adjustable connection structure of a hydraulic joint according to claim 1, characterized in that: The inner surface of the second hydraulic pipe joint (3) is fixedly connected to the end of a fixed rod (8), the surface of the fixed rod (8) is fixedly connected to the end of a pushing rod (9), the other end of the pushing rod (9) is fixedly connected to the surface of a push block (10), the surface of the push block (10) abuts against the groove surface of a rubber cone block (11), the surface of the rubber cone block (11) is fixedly connected to the end of a movable rod (14), the surface of the movable rod (14) is connected to the inside of a rubber sealing plug (15), and the surface of the movable rod (14) is movably connected to the inside of the first hydraulic pipe joint (1).

3. The adjustable connection structure of a hydraulic joint according to claim 1, characterized in that: A spring sleeve (12) is provided inside the hydraulic pipe joint (1), a compression spring (13) is arranged on the surface of the spring sleeve (12), and the inner surface of the compression spring (13) is sleeved on the surface of the movable rod (14).

4. The adjustable connection structure of a hydraulic joint according to claim 1, characterized in that: The number of the position-limiting clamping balls (5) is two, and the two position-limiting clamping balls (5) are arranged along the center point of the second hydraulic pipe joint (3).

5. The adjustable connection structure of a hydraulic joint according to claim 1, characterized in that: A groove is arranged inside the limiting collar (2), a return spring (7) is arranged on the surface of the inner groove of the limiting collar (2), and the surface of the return spring (7) is sleeved on the surface of the hydraulic pipe joint (1).

6. The adjustable connection structure of a hydraulic joint according to claim 1, characterized in that: The center points of the hydraulic pipe joint 1 (1), the hydraulic pipe joint 2 (3) and the spring sleeve (12) are arranged on the same horizontal line.

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