CN215488153U - Leak-proof sealing pipe joint for hydraulic system - Google Patents
Leak-proof sealing pipe joint for hydraulic system Download PDFInfo
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- CN215488153U CN215488153U CN202121736738.6U CN202121736738U CN215488153U CN 215488153 U CN215488153 U CN 215488153U CN 202121736738 U CN202121736738 U CN 202121736738U CN 215488153 U CN215488153 U CN 215488153U
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Abstract
The utility model discloses a leak-proof sealing pipe joint for a hydraulic system, which comprises a pipe body, a mounting groove, a first threaded part, a plugging groove, a plugging block, sealing grooves, sealing blocks, a mounting block, a connecting block, a second threaded part, a sleeve, a third threaded part, a first opening and a second opening, wherein two ends of the pipe body are respectively provided with an annular mounting groove, the inner side groove wall of the mounting groove is provided with the first threaded part, the inner side groove wall and the outer side groove wall of the mounting groove are respectively provided with the plugging groove, the notches of the two plugging grooves are oppositely arranged, an annular plugging block is arranged between the two plugging grooves, the plugging block is in sealing sliding fit with the plugging grooves, the outer side groove wall of the mounting groove is provided with a plurality of annular sealing grooves, and each sealing groove is internally provided with an annular sealing block, compared with the prior art, the sealing performance and the fastening performance of the hydraulic pipe joint can be obviously improved, the safety of hydraulic pipe joint has been promoted, simple structure, convenient to use, facilitate promotion and application.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of pipe joints, in particular to a leakage-proof sealing pipe joint for a hydraulic system.
[ background of the utility model ]
The hydraulic pipe joint is a detachable connecting piece between an oil pipe and an oil pipe, and between the oil pipe and a hydraulic element, and meets the requirements of convenient assembly and disassembly, firm connection, reliable sealing, small overall dimension, large oil passing capacity, small pressure loss, good processing manufacturability and the like. According to the connection mode of the oil pipe and the pipe joint, the pipe joint mainly has the modes of welding, clamping sleeve type, flaring type, buckling type and the like; in each type of pipe joint, the types of the pipe joint are straight-through, right-angle, three-way and the like according to the number and the direction of passages of the joint; the connection mode with the machine body comprises a threaded connection mode, a flange connection mode and the like. In addition, some pipe joints meeting special purposes exist, the sealing performance and the fastening performance of the traditional hydraulic pipe joint are poor, the leakage of hydraulic oil occurs sometimes, and potential safety hazards exist.
[ Utility model ] content
The utility model aims to solve the problems in the prior art and provides a leakage-proof sealing pipe joint for a hydraulic system.
In order to achieve the purpose, the utility model provides a leakage-proof sealing pipe joint for a hydraulic system, which comprises a pipe body, a mounting groove, a first thread part, a plugging groove, a plugging block, a sealing groove, a sealing block, a mounting block, a connecting block, a second thread part, a sleeve, a third thread part, a first opening and a second opening, wherein the two ends of the pipe body are respectively provided with an annular mounting groove, the inner side groove wall of the mounting groove is provided with the first thread part, the inner side groove wall and the outer side groove wall of the mounting groove are respectively provided with the plugging groove, the notches of the two plugging grooves are oppositely arranged, an annular plugging block is arranged between the two plugging grooves, the plugging block is in sealing sliding fit with the plugging grooves, the outer side groove wall of the mounting groove is provided with a plurality of annular sealing grooves, each sealing groove is internally provided with an annular sealing block, and the sealing blocks are fixedly connected with the sealing grooves in a sealing manner, the utility model discloses a mounting structure, including body, installation piece, connecting block, sleeve, second screw thread portion, every, second screw thread portion, sleeve, second opening and first opening, the outside cell wall of mounting groove is evenly seted up a plurality of second openings that distribute along the axis direction of installation piece, the second opening is the same and the position one-to-one along the axis direction of mounting groove, the installation piece of round platform shape is all fixed the cover in the outside at the both ends of body, the outside position of body is located fixed cover and is equipped with two columnar connecting blocks between two installation pieces, second screw thread portion, every are seted up to the outside portion of connecting block the sleeve, third screw thread portion and second screw thread portion threaded connection, a plurality of first openings that distribute along the axis direction of installation piece are evenly seted up to the lateral part of installation piece, the second opening is the same with first opening quantity and the position one-to-one.
Preferably, the longitudinal section of the plugging groove is a right trapezoid, the longitudinal section of the plugging block is an isosceles trapezoid, and the axial width of the plugging block is smaller than that of the plugging groove.
Preferably, the longitudinal section of the sealing block is isosceles trapezoid, and the inner ring surface of the sealing block protrudes outside the sealing groove.
Preferably, the diameter of the end, facing the connecting block, of the mounting block is smaller than that of the connecting block, and the diameter of the end, facing away from the connecting block, of the mounting block is larger than that of the connecting block.
Preferably, the cross section of the sleeve is a regular polygon, the outer side of the pipe body is located on the two sleeve diameter sleeves, springs are sleeved on the outer side of the pipe body, annular anti-slip blocks are fixedly arranged at two ends of each spring, anti-slip lines are arranged at one ends, facing the sleeve, of the anti-slip blocks, the anti-slip lines are arranged at one ends, facing the anti-slip blocks, of the sleeves, and the anti-slip blocks are abutted to the sleeves.
The utility model has the beneficial effects that: the utility model arranges annular mounting grooves at both ends of the pipe body, arranges a first screw thread part at the inner side wall of the mounting groove, arranges plugging grooves at both the inner side wall and the outer side wall of the mounting groove, the notches of the two plugging grooves are arranged opposite, a plugging block is arranged between the two plugging grooves, the plugging block is in sealing sliding fit with the plugging grooves, a plurality of annular sealing grooves are arranged at the outer side wall of the mounting groove, a sealing block is arranged in each sealing groove, the sealing block can be extruded by the side wall of the hydraulic pipe and retracted into the sealing groove in the process of screwing the hydraulic pipe into the mounting groove, the sealing block is tightly jointed with the side wall of the hydraulic pipe to play a sealing role, the inner end of the hydraulic pipe can extrude the plugging block to tightly joint with the plugging grooves, the plugging block is tightly jointed with the inner end of the hydraulic pipe to play a sealing role, then the sleeve is rotated to screw the sleeve towards the mounting block, the installation block is of a round platform-shaped structure, so that the sleeve can extrude the installation block, the installation block can extrude the pipe wall of the end part of the pipe body, the pipe wall of the end part of the pipe body is contracted, the side wall of the installation groove is more tightly connected with the side wall of the hydraulic pipe, the hydraulic pipe is effectively prevented from being separated from the installation groove due to overlarge pressure, the tightness of the connection of the installation groove and the hydraulic pipe is improved, the side part of the installation block is provided with the first openings, the groove wall of the outer side of the installation groove is provided with the second openings, the pressure of the sleeve on the installation block is more easily transmitted to the pipe body, and the end part of the pipe body is contracted to tightly press the hydraulic pipe. Compared with the prior art, can show leakproofness and the fastening nature that promotes hydraulic pressure coupling, promote hydraulic pressure coupling's security, simple structure, convenient to use, facilitate promotion and application.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a sectional view of a leak-proof pipe joint for a hydraulic system according to the present invention.
FIG. 2 is a side view of the leak-proof sealing pipe joint for a hydraulic system.
In the figure: the anti-skid device comprises a pipe body 1, a mounting groove 2, a first thread portion 3, a blocking groove 4, a blocking block 5, a sealing groove 6, a sealing block 7, a mounting block 8, a connecting block 9, a second thread portion 10, a sleeve 11, a third thread portion 12, a first opening 13, a second opening 14, a spring 15 and an anti-skid block 16.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the leak-proof sealed pipe joint for a hydraulic system of the present invention comprises a pipe body 1, a mounting groove 2, a first thread portion 3, a plugging groove 4, a plugging block 5, a sealing groove 6, a sealing block 7, a mounting block 8, a connecting block 9, a second thread portion 10, a sleeve 11, a third thread portion 12, a first opening 13 and a second opening 14, wherein both ends of the pipe body 1 are respectively provided with the annular mounting groove 2, the inner side wall of the mounting groove 2 is provided with the first thread portion 3, the inner side wall and the outer side wall of the mounting groove 2 are respectively provided with the plugging groove 4, the notches of the two plugging grooves 4 are oppositely arranged, the annular plugging block 5 is arranged between the two plugging grooves 4, the plugging block 5 is in sealing sliding fit with the plugging grooves 4, the outer side wall of the mounting groove 2 is provided with a plurality of annular sealing grooves 6, and each sealing groove 6 is internally provided with the annular sealing block 7, the sealing block 7 is fixedly connected with the sealing groove 6 in a sealing manner, the outer sides of two ends of the pipe body 1 are fixedly sleeved with the mounting blocks 8 in a circular truncated cone shape, the outer side part of the pipe body 1 is fixedly sleeved between the two mounting blocks 8 and is provided with two columnar connecting blocks 9, the outer side part of each connecting block 9 is provided with a second thread part 10, the outer side of each connecting block 9 is sleeved with a sleeve 11, the inner wall of each sleeve 11 is provided with a third thread part 12, the third thread part is in threaded connection with the second thread part 10, the side part of each mounting block 8 is uniformly provided with a plurality of first openings 13 distributed along the axial direction of the mounting block 8, the outer side groove wall of the mounting groove 2 is uniformly provided with a plurality of second openings 14 distributed along the axial direction of the mounting groove 2, the second openings 14 are the same in number and correspond to the first openings 13 in position one to one, and the longitudinal section of the plugging groove 4 is in a right trapezoid shape, the longitudinal section of plugging block 5 is isosceles trapezoid, the axial width of plugging block 5 is less than the axial width of shutoff groove 4, the longitudinal section of sealed piece 7 is isosceles trapezoid, the inside annular protrusion of sealed piece 7 is in the outside of seal groove 6, the diameter of installation piece 8 towards the one end of connecting block 9 is less than the diameter of connecting block 9, the diameter that installation piece 8 deviates from the one end of connecting block 9 is greater than the diameter of connecting block 9, the cross section of sleeve 11 is regular polygon, the outside portion of body 1 is located two sleeve 11 diameter covers and is equipped with spring 15, annular non slipping spur 16 is all fixed to be equipped with at the both ends of spring 15, non slipping 16 is equipped with anti-skidding line towards the one end of sleeve 11, sleeve 11 is equipped with anti-skidding line towards the one end of non slipping 16, non slipping 16 and sleeve 11 butt.
The working process of the utility model is as follows: the end part of a hydraulic pipe to be connected is inserted into the mounting groove 2, the thread on the inner wall of the hydraulic pipe is in threaded connection with the first thread part 3 on the inner side wall of the mounting groove 2, in the process that the hydraulic pipe is screwed into the mounting groove 2, the sealing block 7 in the sealing groove 6 is extruded by the hydraulic pipe and retracts into the sealing groove 6, the sealing block 7 is tightly connected with the outer wall of the hydraulic pipe due to the elasticity of the sealing block 7, after the inner end of the hydraulic pipe passes through the mounting groove 2, the inner end of the hydraulic pipe is abutted against the side part of the blocking block 5, the inner end of the hydraulic pipe pushes the blocking block 5 to move towards one end of the blocking groove 4 departing from the mounting groove 2, so that the side part of the blocking block 5 is more tightly connected with the side wall of the blocking groove 4, then the sleeve 11 is rotated to lead the sleeve 11 to be screwed towards the mounting block 8, and the diameter of the inner cavity of the sleeve 11 is smaller than that of the thicker end of the mounting block 8 due to the circular truncated cone-shaped structure of the mounting block 8, so can let installation piece 8 shrink along first opening 13 during sleeve 11 extrusion installation piece 8's outer wall, the outer wall at 1 both ends of body can shrink along second opening 14 this moment, the outer wall of body 1 compresses tightly the outer wall of hydraulic pressure pipe, the fastening nature of body 1 with hydraulic pressure union coupling has been promoted, under spring 15's elastic force effect, two non slipping spur 16 can respectively with two sleeve 11's looks remote site butt, make sleeve 11 difficult not hard up, compared with the prior art, can show leakproofness and the fastening nature that promotes hydraulic pressure coupling, the security that has promoted hydraulic pressure coupling, moreover, the steam generator is simple in structure, high durability and convenient use, and convenient popularization and application.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (5)
1. The utility model provides a leak protection sealing tube connects for hydraulic system which characterized in that: comprises a pipe body (1), a mounting groove (2), a first thread part (3), a plugging groove (4), a plugging block (5), a sealing groove (6), a sealing block (7), a mounting block (8), a connecting block (9), a second thread part (10), a sleeve (11), a third thread part (12), a first opening (13) and a second opening (14), wherein the two ends of the pipe body (1) are both provided with annular mounting grooves (2), the inner side groove wall of the mounting groove (2) is provided with the first thread part (3), the inner side groove wall and the outer side groove wall of the mounting groove (2) are both provided with the plugging grooves (4), the notches of the two plugging grooves (4) are just opposite to each other, the annular plugging block (5) is arranged between the two plugging grooves (4), the plugging block (5) is in sealing sliding fit with the plugging grooves (4), the outer side groove wall of the mounting groove (2) is provided with a plurality of annular sealing grooves (6), every all be equipped with annular seal piece (7) in seal groove (6), seal piece (7) and seal groove (6) sealed fixed connection, the outside at the both ends of body (1) is all fixed the cover and is equipped with installation piece (8) of round platform shape, the outside of body (1) is located between two installation pieces (8) fixed the cover and is equipped with two columnar connecting block (9), second screw thread portion (10) have been seted up to the outside of connecting block (9), every the outside of connecting block (9) all overlaps and is equipped with sleeve (11), third screw thread portion (12) have been seted up to the inner wall of sleeve (11), third screw thread portion and second screw thread portion (10) threaded connection, a plurality of first openings (13) that distribute along the axis direction of installation piece (8) are evenly seted up to the lateral part of installation piece (8), a plurality of second openings (14) that distribute along the axis direction of installation groove (2) are evenly seted up in the outside of installation groove wall (2) The number of the second openings (14) is the same as that of the first openings (13), and the positions of the second openings correspond to those of the first openings one by one.
2. A leak-proof sealed pipe joint for a hydraulic system as claimed in claim 1, wherein: the longitudinal section of shutoff groove (4) is right trapezoid, the longitudinal section of shutoff piece (5) is isosceles trapezoid, the axial width of shutoff piece (5) is less than the axial width of shutoff groove (4).
3. A leak-proof sealed pipe joint for a hydraulic system as claimed in claim 1, wherein: the longitudinal section of the sealing block (7) is isosceles trapezoid, and the inner ring surface of the sealing block (7) protrudes out of the sealing groove (6).
4. A leak-proof sealed pipe joint for a hydraulic system as claimed in claim 1, wherein: the diameter of the end, facing the connecting block (9), of the mounting block (8) is smaller than that of the connecting block (9), and the diameter of the end, facing away from the connecting block (9), of the mounting block (8) is larger than that of the connecting block (9).
5. A leak-proof sealed pipe joint for hydraulic system as claimed in any one of claims 1 to 4, wherein: the cross section of sleeve (11) is regular polygon, the outside portion that body (1) is located two sleeve (11) diameter cover and is equipped with spring (15), the both ends of spring (15) are all fixed and are equipped with annular non slipping spur (16), non slipping spur (16) are equipped with anti-skidding line towards the one end of sleeve (11), sleeve (11) are equipped with anti-skidding line towards the one end of non slipping spur (16), non slipping spur (16) and sleeve (11) butt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121736738.6U CN215488153U (en) | 2021-07-28 | 2021-07-28 | Leak-proof sealing pipe joint for hydraulic system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121736738.6U CN215488153U (en) | 2021-07-28 | 2021-07-28 | Leak-proof sealing pipe joint for hydraulic system |
Publications (1)
Publication Number | Publication Date |
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CN215488153U true CN215488153U (en) | 2022-01-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202121736738.6U Active CN215488153U (en) | 2021-07-28 | 2021-07-28 | Leak-proof sealing pipe joint for hydraulic system |
Country Status (1)
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CN (1) | CN215488153U (en) |
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2021
- 2021-07-28 CN CN202121736738.6U patent/CN215488153U/en active Active
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