CN216279892U

CN216279892U - Leak protection type high-speed joint straight-through connects

Info

Publication number: CN216279892U
Application number: CN202122575201.2U
Authority: CN
Inventors: 俞校军; 屠永当; 周飞
Original assignee: Zhejiang Sanye Machinery Co ltd
Current assignee: Zhejiang Sanye Machinery Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-12
Anticipated expiration: 2031-10-26

Abstract

A leakage-proof type quick connection straight-through joint relates to the field of pipeline joints and comprises a straight-through pipeline, wherein a left end locking sleeve and a right end locking sleeve are fixedly arranged on the left side and the right side of the straight-through pipeline, the left end locking sleeve and the right end locking sleeve are arranged on the left side and the right side of the straight-through pipeline, the structures of the right end locking sleeve and the left end locking sleeve are consistent, the end parts of the right end locking sleeve and the left end locking sleeve are provided with locking mechanisms, after the fixation is finished, the sliding block can be limited by pressing the button, the locking mechanism is prevented from being ejected by the pressure of hydraulic oil, the locking mechanism can be quickly detached by pressing the button again, and air-filled sealing pieces are arranged in the first locking space and the second locking space and are inflated, the joint can seal gaps between the connecting pipeline and the first locking space and between the connecting pipeline and the second locking space, plays a role in sealing, and achieves the purposes of quick assembly and disassembly and sealing and leakage prevention of the joint.

Description

Leak protection type high-speed joint straight-through connects

Technical Field

The utility model relates to the field of pipeline joints, in particular to a leakage-proof quick-connection straight joint.

Background

The pump body and pipeline connection in each hydraulic system of the existing automobile mostly adopts a screwed-in straight-through pipe joint for connecting pipelines with two corresponding ends.

However, the general straight-through joint mostly adopts internal threads or external threads to be connected with pipelines to be connected, the disassembly and the assembly are complex, and the general quick disassembly and assembly type joint is easy to cause the conditions of hydraulic oil leakage, pollution and the like, so that the use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leakage-proof quick-connection straight-through joint to solve the problems in the background technology.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

the utility model provides a leak protection type high-speed joint straight-through connects, includes straight-through pipeline, straight-through pipeline left and right sides is fixed and is equipped with left end locking sleeve and right-hand member locking sleeve, left end locking sleeve medial side is equipped with first locking space, right-hand member locking sleeve medial side is equipped with second locking space, straight-through pipeline medial side is equipped with and link up the space, link up the space with first locking space with second locking space link up, left end locking sleeve with right-hand member locking sleeve structure is unanimous.

Beneficially, the left end of the first locking space and the right end of the second locking space are both provided with a locking mechanism, the locking mechanism comprises five connecting rods uniformly arranged around the inner side wall of the first locking space, a fixing part is fixedly arranged between the connecting rods, the fixing part is of an annular structure, five locking blocks are uniformly arranged in the fixing part around the circle center, and the locking blocks can lock the pipe fitting to be locked.

Beneficially, fixed ring is rotatably arranged between the side walls of the first locking space, five hinged rods are uniformly hinged around the circle center of the fixed ring, the hinged rods are respectively hinged with the corresponding locking blocks, an outer gear ring is arranged on the outer side of the fixed ring, the fixed ring rotates in the forward direction, and under the action of the hinged rods, the locking blocks can be close to each other to lock the pipe fitting.

Beneficially, a lateral space is arranged on the upper side of the first locking space, the lateral space is arranged on the lower side of the second locking space, structures in the lateral spaces on two sides are consistent, a long shaft is rotatably arranged on the right side wall of the lateral space on the lower side of the second locking space, a helical gear and a meshing gear are fixedly arranged on the long shaft from left to right in sequence, and the meshing gear is in meshing transmission with the outer gear ring of the fixing ring.

Beneficially, the lateral space is communicated with the second locking space, a sliding block is slidably arranged on a side wall of the lateral space, the sliding block extends upwards into the second locking space, a hydraulic rod is fixedly arranged at the lower end of the sliding block, the hydraulic rod is of a telescopic structure, a clamping block is fixedly arranged on the lower side of the hydraulic rod, and the hydraulic rod can stretch and retract.

Advantageously, the right locking sleeve is provided with a clamping groove from left to right, the clamping block is connected with the clamping groove in an abutting mode, a helical rack is fixedly arranged on the right side face of the sliding block, the helical rack is in meshing transmission with the helical gear, and the clamping block can be clamped into the clamping groove, so that the sliding of the sliding block is limited.

Advantageously, a button is fixedly arranged on the upper side face of the left end locking sleeve, the button is connected with the hydraulic rod arranged in the two sliding blocks through a hydraulic pipe, when the button is pressed for the first time, the hydraulic rod can be extended through the hydraulic pipe, and when the button is pressed again, the hydraulic rod can be shortened.

Beneficially, the left end of the first locking space and the right end of the second locking space are both provided with inflatable sealing elements, the inflatable sealing elements and one end of each inflatable sealing element are provided with inflatable holes, valves are arranged in the inflatable holes, the inflatable sealing elements can be inflated, so that the inflatable sealing elements are expanded, gaps between the pipe fitting for installing and locking and the side wall of the first locking space are completely sealed, and hydraulic oil leakage can be prevented.

The utility model has the advantages and positive effects that:

1. the utility model arranges a left end locking sleeve and a right end locking sleeve on the left and right sides of a straight-through pipeline, the left end locking sleeve and the right end locking sleeve are respectively provided with a first locking space and a second locking space, the first locking space, the second locking space and the through space are communicated to conduct hydraulic oil, the structures of the right end locking sleeve and the left end locking sleeve are consistent, the end parts of the right end locking sleeve and the left end locking sleeve are provided with locking mechanisms which can be used for quickly fixing the pipeline to be connected, after the fixing is finished, a button is pressed to limit a sliding block to prevent the pressure of the hydraulic oil from ejecting the locking mechanisms, the button is pressed again to quickly disassemble, the first locking space and the second locking space are provided with inflatable sealing elements which are inflated to seal gaps between the connecting pipeline and the first locking space and the second locking space, the sealing function is realized, and the purposes of quick assembly and disassembly and sealing and leakage prevention of the joint are realized.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall cross-sectional front view of a leak-proof quick connect union of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 taken along the line A-A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B.

The scores in the figures are as follows: 11. a straight pipeline; 12. a through space; 13. a left end locking sleeve; 14. a first locking space; 15. the right end is locked with the sleeve; 16. a second locking space; 17. a locking mechanism; 18. a connecting rod; 19. a fixing member; 20. a fixing ring; 21. a hinged bar member; 22. a locking block; 23. a lateral space; 24. a long axis; 25. a meshing gear; 26. a helical gear; 27. a helical rack; 28. a slider; 29. a hydraulic lever; 30. a clamping block; 31. a card slot; 32. a hydraulic tube; 33. a button; 34. a gas-filled seal; 35. and (4) an air inflation hole.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The utility model will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a leak protection type high-speed joint straight-through connects, includes straight-through pipeline 11, straight-through pipeline 11 left and right sides is fixed and is equipped with left end locking sleeve 13 and right-hand member locking sleeve 15, left end locking sleeve 13 medial side is equipped with first locking space 14, right-hand member locking sleeve 15 medial side is equipped with second locking space 16, straight-through pipeline 11 medial side is equipped with link up space 12, link up space 12 with first locking space 14 with second locking space 16 link up, left end locking sleeve 13 with right-hand member locking sleeve 15 structure is unanimous.

In addition, in an embodiment, locking mechanism 17 is arranged at the left end of first locking space 14 and the right end of second locking space 16, locking mechanism 17 includes five connecting rods 18 evenly arranged around the inside wall of first locking space 14, fixing piece 19 is fixedly arranged between connecting rods 18, fixing piece 19 is an annular structure, five locking blocks 22 are evenly arranged around the center of a circle in fixing piece 19, and locking blocks 22 can lock the pipe fitting to be locked.

In addition, in an embodiment, rotate between the first locking space 14 lateral wall and be equipped with solid fixed ring 20, gu fixed ring 20 evenly articulates around the centre of a circle has five articulated members 21, articulated members 21 respectively rather than corresponding articulated connection between the latch segment 22, gu the fixed ring 20 outside is equipped with the outer ring gear, gu fixed ring 20 forward rotates, through the effect of articulated members 21, can make latch segment 22 is close to each other, the locking pipe fitting.

In addition, in one embodiment, a lateral space 23 is provided at the upper side of the first locking space 14, the lateral space 23 is provided at the lower side of the second locking space 16, the structures in the lateral spaces 23 at both sides are consistent, a long shaft 24 is rotatably provided at the right side wall of the lateral space 23 at the lower side of the second locking space 16, a helical gear 26 and a meshing gear 25 are fixedly provided at the long shaft 24 from left to right, and the meshing gear 25 is in meshing transmission with the outer gear ring of the fixing ring 20.

In addition, in one embodiment, the lateral space 23 is communicated with the second locking space 16, a sliding block 28 is slidably disposed on a lower side wall of the lateral space 23, the sliding block 28 extends upwards into the second locking space 16, a hydraulic rod 29 is fixedly disposed at a lower end of the sliding block 28, the hydraulic rod 29 is of a telescopic structure, a fixture 30 is fixedly disposed below the hydraulic rod 29, and the hydraulic rod 29 can be telescopic.

In addition, in an embodiment, a clamping groove 31 is formed in the right locking sleeve 15 from left to right, the latch 30 is connected to the clamping groove 31 in an abutting manner, a helical rack 27 is fixedly arranged on the right side surface of the sliding block 28, the helical rack 27 is in meshing transmission with the helical gear 26, and the latch 30 can be clamped into the clamping groove 31, so that the sliding of the sliding block 28 is limited.

In addition, in an embodiment, a button 33 is fixedly arranged on the upper side of the left end locking sleeve 13, the button 33 is connected with the hydraulic rod 29 arranged in the two sliding blocks 28 through a hydraulic pipe 32, when the button 33 is pressed for the first time, the hydraulic rod 29 can be extended through the hydraulic pipe 32, and when the button 33 is pressed again, the hydraulic rod 29 can be shortened.

In addition, in an embodiment, the left end of the first locking space 14 and the right end of the second locking space 16 are both provided with an inflatable sealing element 34, the inflatable sealing element 34 and one end of the inflatable sealing element are provided with an inflatable hole 35, and a valve is arranged in the inflatable hole 35, so that the inflatable sealing element 34 can be inflated, the gap between the pipe fitting for installation and locking and the side wall of the first locking space 14 is completely closed, and hydraulic oil leakage can be prevented.

In specific implementation, when the locking pipe fitting needs to be installed, the straight-through pipeline 11 is firstly aligned with the pipe fitting in sequence, one end of the pipe fitting is placed into the first locking space 14 and the second locking space 16, the pipe fitting entering the first locking space 14 and the second locking space 16 is abutted against the sliding block 28, the sliding block 28 slides, the helical rack 27 moves relative to the helical gear 26 due to the sliding action of the sliding block 28, the long shaft 24 and the meshing gear 25 start to rotate in the forward direction due to the meshing of the helical rack 27 and the helical rack 27, the fixing ring 20 rotates in the forward direction due to the forward rotation of the meshing gear 25, the hinge rod 21 is hinged between the fixing ring 20 and the locking block 22, the locking block 22 can be close to each other to lock the outer wall of the pipe fitting through the function of the hinge rod 21, and simultaneously plays a centering role, and after key locking is completed, when the button 33 is pressed, the hydraulic rod 29 extends at the moment, so that the clamping block 30 is clamped into the clamping groove 31 to play a limiting role, after the locking of the pipe fitting is completed, the inflatable sealing element 34 is inflated through the inflation hole 35, the inflatable sealing element 34 expands, a gap between the pipe fitting to be installed and locked and the side wall of the first locking space 14 is completely sealed, hydraulic oil leakage can be prevented, when the pipe fitting needs to be removed after being used for a period of time, the button 33 is pressed again at first, at the moment, the hydraulic rod 29 is shortened, the clamping block 30 can be pushed out of the clamping groove 31, the sliding block 28 loses the limitation, then the gas in the inflatable sealing element 34 is released through the inflation hole 35, then the pipeline is pulled outwards, as the spring is arranged between the sliding block 28 and the side wall of the lateral space 23, the sliding block 28 resets to enable the meshing gear 25 to rotate reversely, and further, the locking block 22 is opened gradually through the reverse rotation of the fixing ring 20, and completely loosening the pipe fitting to finish the disassembly of the pipe fitting.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a leak protection type high-speed joint straight-through connects, includes straight-through pipeline (11), its characterized in that: the pipeline structure is characterized in that a left end locking sleeve (13) and a right end locking sleeve (15) are fixedly arranged on the left side and the right side of the straight-through pipeline (11), a first locking space (14) is arranged on the middle side of the left end locking sleeve (13), a second locking space (16) is arranged on the middle side of the right end locking sleeve (15), a through space (12) is arranged on the middle side of the straight-through pipeline (11), the through space (12) is communicated with the first locking space (14) and the second locking space (16), the left end locking sleeve (13) and the right end locking sleeve (15) are consistent in structure, locking mechanisms (17) are arranged on the left end of the first locking space (14) and the right end of the second locking space (16), each locking mechanism (17) comprises five connecting rods (18) which are uniformly arranged around the inner side wall of the first locking space (14), and fixing pieces (19) are fixedly arranged between the connecting rods (18), the locking device is characterized in that five locking blocks (22) are uniformly arranged in the fixing piece (19) around the circle center, a fixing ring (20) is arranged between the side walls of the first locking space (14) in a rotating mode, the fixing ring (20) is uniformly hinged with five hinged rod pieces (21) around the circle center, the hinged rod pieces (21) are respectively hinged with the corresponding locking blocks (22), a lateral space (23) is arranged on the upper side of the first locking space (14), the lateral space (23) is arranged on the lower side of the second locking space (16), the structures in the lateral spaces (23) on two sides are consistent, a long shaft (24) is rotatably arranged on the right side wall of the lateral space (23) on the lower side of the second locking space (16), a helical gear (26) and a meshing gear (25) are sequentially and fixedly arranged on the long shaft (24) from left to right, and the lateral space (23) is communicated with the second locking space (16), lateral space (23) downside wall slides and is equipped with sliding block (28), sliding block (28) upwards extend to in second locking space (16), sliding block (28) lower extreme is fixed and is equipped with hydraulic stem (29), hydraulic stem (29) are extending structure, hydraulic stem (29) downside is fixed and is equipped with fixture block (30), the side is fixed to be equipped with button (33) on left end locking sleeve (13), right-hand member locking sleeve (15) are equipped with draw-in groove (31) from a left side to the right side, sliding block (28) right flank is fixed and is equipped with helical rack (27).

2. The leak-proof quick connect straight through joint of claim 1, wherein: the button (33) is connected with the hydraulic rods (29) arranged in the two sliding blocks (28) through hydraulic pipes (32).

3. The leak-proof quick connect straight through joint of claim 2, wherein: the outer side of the fixing ring (20) is provided with an outer gear ring, and the meshing gear (25) is meshed with the outer gear ring on the outer side of the fixing ring (20).

4. A leak-proof quick connect straight through connection as set forth in claim 3 wherein: seven clamping grooves (31) are formed along the lateral space, and the clamping blocks (30) are connected with the clamping grooves (31) in an abutting mode.

5. The leak-proof quick connect straight through joint of claim 4, wherein: the helical rack (27) is in meshing transmission with the helical gear (26).

6. The leak-proof quick connect straight through joint of claim 5, wherein: and the left end of the first locking space (14) and the right end of the second locking space (16) are provided with inflatable sealing elements (34).

7. The leak-proof quick connect straight through joint of claim 6, wherein: one end of the inflatable sealing element (34) is provided with an inflation hole (35), and a vent valve is arranged in the inflation hole (35).