Hydraulic joint pipe fitting

Abstract

The utility model discloses a hydraulic joint pipe fitting which comprises a pipe fitting body, a connecting flange is installed at the right end of the pipe fitting body, and a quick connecting and fixing structure is installed on the pipe fitting body. The quick connecting and fixing structure comprises a combined insertion pipe, an embedded rotary sleeve, a combined internal thread and a fixing and locking assembly. The hydraulic joint pipe fitting relates to the technical field of automobile parts, and has the beneficial effects that the problems that when the hydraulic joint pipe fitting of the existing automobile hydraulic system is used, the oil leakage phenomenon occurs along with the increase of the service time because the oil pressure is relatively large during internal flowing and the temperature of hydraulic oil is relatively high, and the service life of the hydraulic joint pipe fitting is influenced are solved; and existing pipe fittings are connected and fixed through tension bands, the connecting effect is poor, although fixing is convenient, leakage is prone to occurring, and the safety of a hydraulic system is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a hydraulic joint pipe fitting. Background Art

[0002] Hydraulic fittings are key components used to connect various hydraulic elements in a hydraulic system. They allow the hydraulic fluid in the hydraulic system to flow between different components and can be connected and separated when necessary to achieve the functions and control of the system. When the hydraulic fittings of the existing automotive hydraulic system are in use, oil leakage will occur as the use time increases due to the high oil pressure and high temperature of the hydraulic oil during internal flow. In addition, the existing pipe connections are mostly connected and fixed by hoops, and the connection effect is poor. Although it is easy to fix, it is prone to leakage, affecting the safety of the hydraulic system. Utility Model Content

[0003] To achieve the above purpose, the utility model is implemented through the following technical solutions: a hydraulic joint pipe fitting, comprising: a pipe fitting body, a connecting flange is installed at the right end of the pipe fitting body, and a quick connection fixing structure is installed on the pipe fitting body;

[0004] The quick connection fixing structure includes: a combined insertion tube, an embedded rotary sleeve, a combined internal thread and a fixed locking component;

[0005] The combined insertion tube is installed at the left end of the pipe fitting body, the embedded rotary sleeve is movably mounted on the pipe fitting body, the combined internal thread is arranged on the inner wall surface of the embedded rotary sleeve, and the fixed locking component is installed on the outer wall surface of the pipe fitting body.

[0006] Preferably, a connecting boss is installed on the connecting flange.

[0007] Preferably, an anti-slip groove is provided on the embedded rotary sleeve.

[0008] Preferably, eight bolt mounting holes are provided on the connecting flange.

[0009] Preferably, the fixing and locking assembly comprises: a pair of fixing blocks, a pair of mounting grooves, a pair of locking blocks, a compression spring, a fixing sleeve and a limit retaining ring;

[0010] A pair of fixing blocks are installed on the embedded rotary sleeve, a pair of installation grooves are opened on the pair of fixing blocks, a pair of locking blocks are installed in the pair of installation grooves, a compression spring is sleeved on the outer wall of the pipe body, one end of the compression spring is fixed on the embedded rotary sleeve, the fixing sleeve is sleeved on the outside of the pipe body, the other end of the compression spring is installed on the fixing sleeve, and a limit retaining ring is fixedly installed on the outer wall of the pipe body.

[0011] Preferably, a pair of locking blocks are installed in a pair of installation grooves through a rotating rod.

[0012] Beneficial Effects

[0013] The utility model provides a hydraulic joint pipe fitting, which has the following beneficial effects: the scheme uses a quick connection fixing structure, and connects and installs the joint pipe fitting through a combined spiral locking structure, thereby ensuring the connection sealing, increasing the safety of the hydraulic system, and preventing oil leakage. It solves the problem that the hydraulic joint pipe fittings of the existing automobile hydraulic system will experience oil leakage as the use time increases due to the high oil pressure during internal flow and the high temperature of the hydraulic oil. The existing pipe fittings are mostly connected and fixed by hoops, and the connection effect is poor. Although it is easy to fix, it is easy to leak, affecting the safety of the hydraulic system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a hydraulic joint pipe fitting described in the utility model.

[0015] Figure 2 It is a schematic diagram of the main view and partial cross-section structure of a hydraulic joint pipe described in the utility model.

[0016] Figure 3 It is a side structural schematic diagram of a hydraulic joint pipe fitting described in the utility model.

[0017] In the figure: 1- pipe fitting body; 2- connecting flange; 3- combined insertion tube; 4- embedded rotary sleeve; 5- combined internal thread; 6- connecting boss; 7- anti-slip groove; 8- bolt mounting hole; 9- fixing block; 10- mounting groove; 11- locking block; 12- compression spring; 13- fixing sleeve; 14- limit retaining ring; 15- rotating rod. DETAILED DESCRIPTION

[0018] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0019] Example: See Figure 1-3 The utility model provides a technical solution: a hydraulic joint pipe fitting. This solution takes into account that the traditional hydraulic joint pipe fitting connection method is too simple. As the use time increases, the joint pipe fitting and the connection part will seep oil due to the high internal oil pressure and high oil temperature. Based on the above content, this case sets the following technical means;

[0020] Specifically, the device at least comprises a pipe body 1, a connecting flange 2, a combined insert pipe 3, an embedded rotary sleeve 4, a combined internal thread 5 and a fixed locking assembly;

[0021] The connecting flange 2 is integrally installed on the pipe body 1. When in use, the combined insertion tube 3 is inserted into the hydraulic pipeline. After opening the fixed locking component, the embedded rotary sleeve 4 installed on the pipe body 1 is rotated. The combined internal thread provided on the inner wall surface of the embedded rotary sleeve 4 is combined with the external thread provided on the outer wall of the pipeline. As the embedded rotary sleeve 4 rotates, the hydraulic pipeline is extended inward to achieve pipeline connection. At the same time, it is locked and fixed by the fixed locking component, and then another connecting pipeline is installed. A hydraulic joint device is formed by two-by-two cooperation, and a combined connection is performed through the connecting flange 2 to achieve the communication of the hydraulic pipeline. At the same time, the connection seal is ensured by the connecting boss 6.

[0022] More specifically, the fixing and locking assembly includes: a pair of fixing blocks 9, a pair of mounting grooves 10, a pair of locking blocks 11, a compression spring 12, a fixing sleeve 13 and a limit retaining ring 14;

[0023] When making a combined connection, the compression spring 12 is compressed by the fixing sleeve 13 to expose the locking block 11, so that the locking block 11 pops out from the locking groove provided on the outer wall of the pipe body 1, and the embedded rotary sleeve 4 is rotated to achieve the connection and fixation of the pipeline. When the connection is completed, the fixing sleeve 13 is loosened, and the fixing sleeve 13 is rebounded by the elastic deformation force of the compression spring and is sleeved on the outside of the locking block 11, and the locking block 11 is pressed down and fixed to the locking groove provided on the outer wall of the pipe body 1, and the embedded rotary sleeve 4 is fixed.

[0024] Further, the combined insertion tube 3 is installed at the left end of the pipe body 1, the embedded rotary sleeve 4 is movably sleeved on the pipe body 1, the combined internal thread 5 is opened on the inner wall surface of the embedded rotary sleeve 4, and the fixed locking assembly is installed on the outer wall surface of the pipe body 1;

[0025] A pair of fixing blocks 9 are installed on the embedded rotary sleeve 4, a pair of mounting grooves 10 are opened on the pair of fixing blocks 9, a pair of locking blocks 11 are installed in the pair of mounting grooves 10, a compression spring 12 is sleeved on the outer wall surface of the pipe body 1, one end of the compression spring 12 is fixed on the embedded rotary sleeve 4, a fixing sleeve 13 is sleeved on the outside of the pipe body 1, the other end of the compression spring 12 is installed on the fixing sleeve 13, and a limit ring 14 is fixedly installed on the outer wall surface of the pipe body 1.

[0026] In the specific implementation process, further, a connecting boss 6 is installed on the connecting flange 2 .

[0027] In the specific implementation process, further, an anti-slip groove 7 is provided on the embedded rotary sleeve 4.

[0028] In the specific implementation process, further, eight bolt mounting holes 8 are opened on the connecting flange 2 .

[0029] In the specific implementation process, further, a pair of locking blocks 11 are installed in a pair of installation grooves 10 through a rotating rod 15.

[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 pipe, comprising: The pipe body (1) is characterized in that a connecting flange (2) is installed at the right end of the pipe body (1), and a quick connection fixing structure is installed on the pipe body (1); The quick connection fixing structure comprises: a combined insertion tube (3), an embedded rotary sleeve (4), a combined internal thread (5) and a fixed locking component; The combined insertion tube (3) is installed at the left end of the pipe opening of the pipe body (1), the embedded rotary sleeve (4) is movably mounted on the pipe body (1), the combined internal thread (5) is provided on the inner wall surface of the embedded rotary sleeve (4), and the fixed locking assembly is installed on the outer wall surface of the pipe body (1).

2. A hydraulic joint pipe according to claim 1, characterized in that: A connecting boss (6) is mounted on the connecting flange (2).

3. A hydraulic joint pipe according to claim 1, characterized in that: An anti-slip groove (7) is provided on the embedded rotary sleeve (4).

4. A hydraulic joint pipe according to claim 1, characterized in that: Eight bolt mounting holes (8) are provided on the connecting flange (2).

5. A hydraulic joint pipe according to claim 1, characterized in that: The fixing and locking assembly comprises: a pair of fixing blocks (9), a pair of mounting grooves (10), a pair of locking blocks (11), a compression spring (12), a fixing sleeve (13) and a limit retaining ring (14); A pair of fixing blocks (9) are mounted on the embedded rotary sleeve (4), a pair of mounting grooves (10) are formed on the pair of fixing blocks (9), a pair of locking blocks (11) are mounted in the pair of mounting grooves (10), a compression spring (12) is sleeved on the outer wall surface of the pipe body (1), one end of the compression spring (12) is fixed on the embedded rotary sleeve (4), a fixing sleeve (13) is sleeved on the outer side of the pipe body (1), the other end of the compression spring (12) is mounted on the fixing sleeve (13), and a limit retaining ring (14) is fixedly mounted on the outer wall surface of the pipe body (1).

6. A hydraulic joint pipe according to claim 5, characterized in that: A pair of locking blocks (11) are installed in a pair of installation grooves (10) via a rotating rod (15).

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