Telescopic hydraulic oil pipe

Abstract

The utility model relates to the technical field of hydraulic oil pipes, in particular to a telescopic hydraulic oil pipe which comprises a first hydraulic pipe, a second hydraulic pipe, a third hydraulic pipe and a fourth hydraulic pipe, a first fixing groove is formed in the outer wall of one side of the first hydraulic pipe, a plurality of fixing blocks are fixedly installed on the surface of the outer circle of the first hydraulic pipe, and sliding blocks are fixedly installed on the outer walls of one sides of the fixing blocks; a spiral sliding groove is formed in the inner wall of one side of the first hydraulic pipe. A strip-shaped stop block is fixedly mounted on the inner wall of one side of the first sleeve, and a strip-shaped stop block is fixedly mounted on the inner wall of one side of the third sleeve; the telescopic hydraulic oil pipe has the advantages that the telescopic hydraulic oil pipe can stretch out and draw back in the spiral sliding groove through the sliding block, waste caused by the fact that hydraulic pipes of different sizes need to be replaced is avoided, when the hydraulic pipe extends to the limit length, the hydraulic pipe is sleeved with the sleeve, the rigidity of the hydraulic pipe can be improved, and therefore connection of pipelines is consolidated.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil pipes, in particular to a telescopic hydraulic oil pipe. Background Art

[0002] Hydraulic hose is also known as hydraulic oil hose, hydraulic hose, high-pressure hose, hydraulic pipe, steel wire high-pressure hose, steel wire braided hose and steel wire spiral hose. It is generally divided into steel wire braided hydraulic hose and steel wire spiral hydraulic hose. Hydraulic hose is mainly composed of liquid-resistant inner rubber layer, middle rubber layer, 2 or 4 or 6 layers of steel wire spiral reinforcement layer and outer rubber layer. The inner rubber layer has the function of making the conveying medium withstand pressure and protecting the steel wire from erosion. The outer rubber layer protects the steel wire from damage. The steel wire layer is the skeleton material for reinforcement.

[0003] Existing hydraulic oil pipes are all fixed oil pipes. Since the length of the hydraulic oil pipes is fixed, they cannot be used in different positions in the hydraulic system during use due to the limited length of the hydraulic oil pipes, which leads to certain limitations in the use of hydraulic oil pipes. At the same time, when replacing the oil pipes with a length that matches the length used in the hydraulic system, it will cause a waste of hydraulic oil pipe resources. Utility Model Content

[0004] The purpose of the present utility model is to provide a telescopic hydraulic oil pipe to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a retractable hydraulic oil pipe, the retractable hydraulic oil pipe comprising:

[0006] A first hydraulic pipe has a first fixing groove formed on one outer wall thereof, a plurality of fixing blocks are fixedly mounted on the outer surface thereof, a slider is fixedly mounted on the outer wall of each fixing block, and a spiral groove is formed on one inner wall thereof;

[0007] A long stopper is fixedly installed on the inner wall of one side of the first sleeve, and a long stopper is fixedly installed on the inner wall of one side of the third sleeve.

[0008] Preferably, the first hydraulic pipe is slidably mounted on an inner wall of one side of the second hydraulic pipe, a spiral chute is provided on the inner wall of one side of the second hydraulic pipe, and a plurality of sliders are slidably mounted on the inner wall of one side of the spiral chute.

[0009] Preferably, a second sleeve is fixedly mounted on an inner wall of one side of the first sleeve, and a third sleeve is fixedly mounted on an inner wall of one side of the second sleeve.

[0010] Preferably, a semicircular groove and an annular groove are provided on the outer wall of one side of the first hydraulic pipe, a sealing ring is fixedly installed on the outer wall of one side of the semicircular groove, and a second hydraulic pipe is fixedly installed on the outer wall of one side of the sealing ring.

[0011] Preferably, a semicircular groove is provided on the outer wall of one side of the second hydraulic pipe, a sealing ring is fixedly installed on the outer wall of one side of the semicircular groove, a third hydraulic pipe is fixedly installed on the outer wall of one side of the sealing ring, a plurality of fixed blocks are fixedly installed on the outer circular surface of the second hydraulic pipe, and a slider is fixedly installed on the outer wall of one side of the fixed block.

[0012] Preferably, a spiral chute is provided on the inner wall of one side of the third hydraulic pipe, a plurality of sliders are slidably installed on the inner wall of one side of the spiral chute, and a second fixed groove and a circular chute are provided on the outer wall of one side of the third hydraulic pipe.

[0013] Preferably, the long stopper is slidably mounted on one side outer wall of the first fixing groove and the second fixing groove.

[0014] Preferably, a circular sliding block is slidably mounted on the outer wall of one side of the circular sliding groove, and a threaded sleeve is fixedly mounted on the outer wall of one side of the circular sliding block.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model proposes a retractable hydraulic oil pipe, which realizes the retraction and expansion of the hydraulic pipe through a slider in a spiral slide groove, thereby avoiding the waste caused by the need to replace hydraulic pipes of different sizes. When the hydraulic pipe is extended to the limit length, a sleeve is put on to increase the rigidity of the hydraulic pipe, thereby consolidating the connection of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the side full-section structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 A magnified view of the structure of the middle A area;

[0020] Figure 4 This is a schematic diagram of the structure of the first hydraulic pipe of the utility model;

[0021] Figure 5 For this utility model Figure 4 A magnified view of the structure of region B in the middle.

[0022] In the figure: 1. First sleeve; 2. Third hydraulic pipe; 3. Second fixed groove; 4. First hydraulic pipe; 5. Second hydraulic pipe; 6. Sealing ring; 7. Spiral slide; 9. Second sleeve; 10. Third sleeve; 11. Long block; 12. Slider; 13. Fixed block; 14. Semicircular groove; 15. First fixed groove; 16. Threaded sleeve; 17. Circular slider; 18. Circular slide. DETAILED DESCRIPTION

[0023] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1 to 5 The utility model provides a technical solution: a telescopic hydraulic oil pipe, which includes:

[0025] The first hydraulic pipe 4 has a first fixed groove 15 on one side of the outer wall. The first fixed groove 15 is used to fix with the second hydraulic pipe 5. A plurality of fixed blocks 13 are fixedly installed on the outer surface of the first hydraulic pipe 4. The fixed blocks 13 connect the first hydraulic pipe 4 with the slider 12. The outer wall of one side of the fixed block 13 is fixedly installed with a slider 12. The slider 12 can guide the movement of the first hydraulic pipe 4. A spiral groove 7 is opened on the inner wall of one side of the first hydraulic pipe 4. The spiral groove 7 is used to guide the movement direction of the slider 12. When the first hydraulic pipe 4 is rotated, the first hydraulic pipe 4 moves on the outer wall of one side of the spiral groove 7 through the slider 12, thereby realizing the extension and contraction of the first hydraulic pipe 4. Similarly, the second hydraulic pipe 5 can also be extended and contracted in the same way.

[0026] A long stopper 11 is fixedly installed on the inner wall of one side of the first sleeve 1, and a long stopper 11 is fixedly installed on the inner wall of one side of the third sleeve 10. The long stopper 11 is welded to the inner wall of one side of the third sleeve 10. The first hydraulic pipe 4 is slidably installed on the inner wall of one side of the second hydraulic pipe 5. A spiral groove 7 is opened on the inner wall of one side of the second hydraulic pipe 5, and a number of sliders 12 are slidably installed on the inner wall of one side of the spiral groove 7.

[0027] A second sleeve 9 is fixedly mounted on the inner wall of one side of the first sleeve 1, and a third sleeve 10 is fixedly mounted on the inner wall of one side of the second sleeve 9. The first sleeve 1, the second sleeve 9 and the third sleeve 10 are used to improve the rigidity of the telescopic rod. A semicircular groove 14 and a circular groove 18 are provided on the outer wall of one side of the first hydraulic pipe 4. The semicircular groove 14 is used to place the sealing ring 6. The sealing ring 6 is fixedly mounted on the outer wall of one side of the semicircular groove 14. The second hydraulic pipe 5 is fixedly mounted on the outer wall of one side of the sealing ring 6. The sealing ring 6 improves the sealing performance of the pipeline connection.

[0028] A semicircular groove 14 is provided on the outer wall of one side of the second hydraulic pipe 5, a sealing ring 6 is fixedly installed on the outer wall of one side of the semicircular groove 14, and the third hydraulic pipe 2 is fixedly installed on the outer wall of one side of the sealing ring 6. A plurality of fixed blocks 13 are fixedly installed on the outer surface of the second hydraulic pipe 5, and a slider 12 is fixedly installed on the outer wall of one side of the fixed block 13. The slider 12 is welded to the outer wall of one side of the fixed block 13.

[0029] A spiral chute 7 is provided on the inner wall of one side of the third hydraulic pipe 2, and a plurality of sliders 12 are slidably installed on the inner wall of one side of the spiral chute 7. A second fixed groove 3 and an annular chute 18 are provided on the outer wall of one side of the third hydraulic pipe 2. The annular chute 18 is used for the movement of the threaded sleeve 16.

[0030] The long strip block 11 is slidably installed on the outer wall of one side of the first fixed groove 15 and the second fixed groove 3, and a circular slider 17 is slidably installed on the outer wall of one side of the circular slide groove 18. A threaded sleeve 16 is fixedly installed on the outer wall of one side of the circular slider 17. The threaded sleeves 16 at both ends are connected to the outer wall of one side of the hydraulic pipe to realize the connection of the hydraulic pipeline.

[0031] When the device is working, the sleeve is first put on, and the sleeve includes a first sleeve 1, a second sleeve 9 and a third sleeve 10. Then the threaded sleeves 16 at both ends are connected to the outer wall of one side of the hydraulic pipe, and then the first hydraulic pipe 4 is rotated. The first hydraulic pipe 4 moves on the outer wall of one side of the spiral slide 7 through the slider 12 to realize the extension and contraction of the first hydraulic pipe 4. Similarly, the second hydraulic pipe 5 is also extended and contracted. When the hydraulic pipe needs to be extended and contracted, the extension of the hydraulic pipe is completed by rotating the first hydraulic pipe 4 and the second hydraulic pipe 5. When the telescopic hydraulic pipe reaches the limit length, the connection is easy to break under shaking. At this time, the sleeve is fitted with the fixed groove through the long block 11. The fixed groove includes the first fixed groove 15 and the second fixed groove 3, which improves the rigidity of the telescopic rod.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A telescopic hydraulic oil pipe, characterized by: The telescopic hydraulic oil pipe comprises: A first hydraulic pipe (4) has a first fixed groove (15) formed on one side of its outer wall, a plurality of fixed blocks (13) are fixedly mounted on the outer surface of the first hydraulic pipe (4), a slider (12) is fixedly mounted on one side of the outer wall of each fixed block (13), and a spiral sliding groove (7) is formed on one side of the inner wall of the first hydraulic pipe (4); A long stopper (11) is fixedly mounted on the inner wall of one side of the first sleeve (1), and a long stopper (11) is fixedly mounted on the inner wall of one side of the third sleeve (10).

2. The telescopic hydraulic oil pipe according to claim 1, characterized in that: The first hydraulic pipe (4) is slidably mounted on the inner wall of one side of the second hydraulic pipe (5); a spiral chute (7) is provided on the inner wall of one side of the second hydraulic pipe (5); and a plurality of sliders (12) are slidably mounted on the inner wall of one side of the spiral chute (7).

3. The telescopic hydraulic oil pipe according to claim 2, characterized in that: A second sleeve (9) is fixedly mounted on the inner wall of one side of the first sleeve (1), and a third sleeve (10) is fixedly mounted on the inner wall of one side of the second sleeve (9).

4. The telescopic hydraulic oil pipe according to claim 1, characterized in that: A semicircular groove (14) and a circular sliding groove (18) are provided on the outer wall of one side of the first hydraulic pipe (4); a sealing ring (6) is fixedly installed on the outer wall of one side of the semicircular groove (14); and a second hydraulic pipe (5) is fixedly installed on the outer wall of one side of the sealing ring (6).

5. The telescopic hydraulic oil pipe according to claim 4, characterized in that: A semicircular groove (14) is provided on the outer wall of one side of the second hydraulic pipe (5), a sealing ring (6) is fixedly installed on the outer wall of one side of the semicircular groove (14), a third hydraulic pipe (2) is fixedly installed on the outer wall of one side of the sealing ring (6), a plurality of fixed blocks (13) are fixedly installed on the outer surface of the second hydraulic pipe (5), and a slider (12) is fixedly installed on the outer wall of one side of each of the fixed blocks (13).

6. The telescopic hydraulic oil pipe according to claim 5, characterized in that: A spiral chute (7) is provided on the inner wall of one side of the third hydraulic pipe (2), and a plurality of sliders (12) are slidably mounted on the inner wall of one side of the spiral chute (7). A second fixed groove (3) and a circular chute (18) are provided on the outer wall of one side of the third hydraulic pipe (2).

7. The telescopic hydraulic oil pipe according to claim 3, characterized in that: The long stopper (11) is slidably mounted on one side outer wall of the first fixing groove (15) and the second fixing groove (3).

8. The telescopic hydraulic oil pipe according to claim 4, characterized in that: A circular slider (17) is slidably mounted on the outer wall of one side of the circular sliding groove (18), and a threaded sleeve (16) is fixedly mounted on the outer wall of one side of the circular slider (17).

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