CN114352822B

CN114352822B - Reducing two-way pipe joint for engine

Info

Publication number: CN114352822B
Application number: CN202210279252.7A
Authority: CN
Inventors: 仲声; 邹元磊; 赵玉凤
Original assignee: Yantai Tongda Rubber And Plastic Technology Co ltd
Current assignee: Yantai Tongda Rubber And Plastic Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-05-27
Anticipated expiration: 2042-03-22
Also published as: CN114352822A

Abstract

The invention relates to the technical field of two-way pipe joints, in particular to a reducing two-way pipe joint for an engine, which comprises a pipe joint, wherein one end of the pipe joint is provided with a first connecting mechanism, the first connecting mechanism consists of a fixing component and a reducing sealing component for connecting a pipeline, the fixing component is in sliding connection with the pipe joint, the reducing sealing component comprises a fixing disk, the periphery of the fixing disk is in sliding connection with the inner wall of the pipe joint, a round table pipe is fixed on the surface of the fixing disk, a pushing component for driving the fixing disk to slide is arranged in the pipe joint, the pushing component consists of an arc-shaped pipe pushing block and an arc-shaped block, the arc-shaped block and the fixing disk are fixedly connected with the surface, which is far away from the round table pipe, of the arc-shaped block are abutted against the arc-shaped pipe pushing block, the arc-shaped pipe pushing block is fixed in the pipe joint, and is matched with the reducing sealing component and the arc-shaped pipe pushing block through the fixing component, can install the coupling on coolant liquid pipeline and engine, easy operation is convenient by the efficient.

Description

Reducing two-way pipe joint for engine

Technical Field

The invention relates to the technical field of two-way pipe joints, in particular to a reducing two-way pipe joint for an engine.

Background

The automobile engine needs to be cooled when in work, a pipeline for circulating cooling liquid is arranged outside the engine, and a reducing two-way pipe joint is needed to be used at the position where the pipeline is connected with the engine so as to connect the pipeline with an engine connecting port.

The Chinese patent with publication number CN109869550A discloses a reducing two-way pipe joint, which comprises a pipe body; a sizing interface is arranged at the left end of the pipe body; a sealing unit is arranged at the sizing interface; the right end of the pipe body is provided with a reducing interface; a reducing unit is arranged at the reducing interface; the tube body is fixedly connected with a rubber ring; the reducing unit comprises a rotating ring, a reducing plate and a telescopic rod; the side faces of the reducing plates, which are far away from the swivel, are fixedly connected with rubber blocks; a rubber membrane is arranged in the rubber ring; the sealing unit comprises a swinging rod, an air bag and a sealing ring; the annular cavities are internally provided with ejector rods which are uniformly distributed; the rotation through the change realizes being connected of different diameter pipelines and joint, and the double seal of block rubber and rubber membrane prevents that the reducing kneck from leaking, and the cooperation of sealing ring and third cavity is sealed completely to the sizing interface.

However, when the reducing two-way pipe joint is used for an automobile engine, a problem still exists in that the compactness of installation of each part needs to be ensured due to limited automobile space, and when a cooling liquid pipeline on the engine is connected, the operation space is narrow, so that when the reducing two-way pipe joint is installed, the pipeline on the engine needs to be detached in advance, and then the pipeline is connected through assembling the two-way pipe joint, so that the operation is troublesome, and the installation efficiency is low.

Therefore, it is desirable to provide a reducing two-way pipe joint for an engine to solve the above problems.

Disclosure of Invention

The invention aims to provide a reducing two-way pipe joint for an engine, which solves the problem that the reducing two-way pipe joint in the background technology is inconvenient to install.

In order to achieve the purpose, the invention provides the following technical scheme: a reducing two-way pipe joint for an engine comprises a pipe joint, the diameters of the two ends of the pipe joint are different, one end of the pipe joint is provided with a first linking mechanism, the other end of the pipe joint is provided with a second linking mechanism, the second linking mechanism is the same as the first linking mechanism in structure, the first linking mechanism comprises a fixing assembly and a reducing sealing assembly for connecting a pipeline, the fixing assembly is in sliding connection with the pipe joint and comprises a fixing disc, the periphery of the fixing disc is in sliding connection with the inner wall of the pipe joint, a round table pipe is fixed on the surface of the fixing disc, a pushing assembly for driving the fixing disc to slide is arranged in the pipe joint and comprises an arc pipe pushing block and an arc block, the arc block and the fixing disc are fixedly connected with the surface deviating from the round table pipe, and the end, far away from the fixing disc, of the arc block is abutted to the arc pipe pushing block, the arc-shaped pipe pushing block is fixed inside the pipe joint.

Preferably, fixed subassembly includes connecting cylinder and fastening components, the outer wall of connecting cylinder rotates with the inner wall of coupling and is connected, fastening components includes card and tighrening ring, the card is equipped with a plurality ofly, and is a plurality of card circumference array is at the tighrening ring inner wall, and is a plurality of card and tighrening ring inner wall fixed connection, the connecting cylinder cover is established in the tighrening ring periphery.

Preferably, the inner diameter of the circular truncated cone pipe close to the fixed disk is larger than that of the circular truncated cone pipe far away from the fixed disk.

Preferably, the one end of connecting cylinder is fixed with the stationary blade, the other end of connecting cylinder is fixed with the spacing ring, the spacing ring cover is established on round platform pipe surface, just the spacing ring is inconsistent with the fixed disk.

Preferably, both ends of the pipe joint are contracted inwards along the radial direction by a part, and the diameter of the contracted port at the end part of the pipe joint is smaller than the outer diameter of the limiting ring.

Preferably, the number of the fixing pieces is two, and the two fixing pieces are respectively arranged in the first joining mechanism and the second joining mechanism.

Preferably, a first sealing ring and a second sealing ring for sealing the pipeline are respectively installed at two ends of the pipe joint, and the first sealing ring and the second sealing ring have the same structure.

Preferably, one end of the fastening ring is provided with a hole along the circumferential direction of the fastening ring, the other end of the fastening ring is inserted into the hole, and the fastening ring is made of a bendable material.

Preferably, the contact position of arc piece and arc pipe ejector pad adopts the arc setting, just the both ends of arc pipe ejector pad all set up to the arc.

Compared with the prior art, the invention has the beneficial effects that: this reducing two-way pipe joint for engine uses through the cooperation of fixed subassembly with reducing seal assembly and arc pipe ejector pad for the indirect extension of coupling, thereby conveniently install the coupling on coolant liquid pipeline and engine.

Through rotating the coupling for the arc pipe ejector pad is followed and is rotated, thereby makes the arc pipe ejector pad promote the arc piece and remove to the coupling outside, makes the connecting cylinder remove to the coupling outside, thereby in the convenience inserts the connecting cylinder with coolant liquid pipeline and engine connector, easy operation is convenient, can the effectual installation effectiveness who improves the coupling.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a front cross-sectional view of the invention as shown in FIG. 1;

FIG. 3 is a schematic structural view of the fixing assembly of FIG. 2 according to the present invention;

FIG. 4 is an overall view of the fastening ring of FIG. 3 according to the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

FIG. 6 is a sectional view of the structure taken along the line A-A in FIG. 2 according to the present invention;

FIG. 7 is a schematic view of the structure of the card of FIG. 6 according to the present invention;

FIG. 8 is a schematic view of the overall construction of the variable diameter seal assembly of FIG. 2 in accordance with the present invention;

FIG. 9 is a side view of the reducing seal assembly of FIG. 8 in cross-section according to the present invention.

In the figure: 1. a pipe joint; 2. a fixing assembly; 21. a connecting cylinder; 22. a fastening assembly; 221. a card; 222. a fastening ring; 23. a limiting ring; 24. a fixing sheet; 3. a variable diameter seal assembly; 31. fixing the disc; 32. a circular truncated cone tube; 4. a first seal ring; 5. an arc tube push block; 6. a second engagement mechanism; 7. an arc-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides an embodiment:

the utility model provides a reducing two-way union for engine, includes coupling 1, the both ends aperture size of coupling 1 is different, because the coolant liquid pipeline on the engine is numerous to the pipe diameter of coolant liquid pipeline can not keep unanimous with the aperture of engine connector, consequently need set up the both ends aperture of coupling 1 to the size difference, so that better be linked together the connector on coolant liquid pipeline and the engine.

Further, one end of the pipe joint 1 is provided with a first engaging mechanism, the other end of the pipe joint 1 is provided with a second engaging mechanism 6, and the second engaging mechanism 6 is identical to the first engaging mechanism in structure, so that two ends of the pipe joint 1 can be conveniently and respectively mounted on a connecting port of a cooling liquid pipeline and an engine.

Further, first linking mechanism comprises fixed subassembly 2 and reducing seal assembly 3 of connecting to the pipeline, just fixed

subassembly

2 and 1 sliding connection of coupling, fixed subassembly 2 includes connecting cylinder 21 and fastening components 22, the outer wall of connecting cylinder 21 passes through the screw thread rotation with the inner wall of coupling 1 and is connected, is connected through rotating connecting cylinder 21 and coupling 1, can ensure that connecting cylinder 21 shifts out from coupling 1 to the convenience is connected cooling pipeline and engine connector in narrow and small operating space.

Further, reducing seal assembly 3 includes fixed disk 31, the periphery of fixed disk 31 and the inner wall sliding connection of coupling 1, the fixed surface mounting of fixed disk 31 has round platform pipe 32, the gliding promotion subassembly of drive fixed disk 31 is equipped with in the coupling 1, and the promotion subassembly comprises arc pipe ejector pad 5 and arc piece 7, arc piece 7 and fixed disk 31 deviate from one side fixed connection of round platform pipe 32, just the one end that fixed disk 31 was kept away from to arc piece 7 offsets with arc pipe ejector pad 5, arc pipe ejector pad 5 and coupling 1's inner wall fixed connection, and arc pipe ejector pad 5's both ends structure is the same.

Furthermore, the fastening assembly 22 comprises a plurality of clamping pieces 221 and a fastening ring 222, the clamping pieces 221 are provided with a plurality of clamping pieces 221, the shape of the clamping pieces 221 is as shown in fig. 7, the clamping pieces 221 can be partially overlapped with each other in a pressing state, so that the radius of a circle area formed by the clamping pieces 221 is reduced, a cooling liquid pipeline assembled in the circle area can be fixedly locked, and an engine connecting port assembled in the circle area can be fixedly locked, so that the connection between the cooling liquid pipeline and the engine connecting port is more fastened, the cooling liquid pipeline and the engine connecting port are ensured not to be separated from the pipe joint 1, and the practicability of the pipe joint 1 is effectively improved.

Further, a plurality of the clamping pieces 221 are circumferentially arrayed on the inner wall of the fastening ring 222, and a plurality of the clamping pieces 221 are fixedly connected with the inner wall of the fastening ring 222, the connecting cylinder 21 is sleeved on the periphery of the fastening ring 222, the fastening ring 222 is made of a contractible material, wherein a clamping block is arranged on the periphery of the fastening ring 222, the clamping block is clamped in a clamping opening on the inner wall of the connecting cylinder 21, a fixing piece 24 is fixed at one end of the connecting cylinder 21, a limiting ring 23 is fixed at the other end of the connecting cylinder 21, the limiting ring 23 is sleeved on the surface of the circular truncated cone tube 32, the limiting ring 23 is abutted against the fixing disc 31, when the pipe joint 1 is rotated, the fixing piece 24 is simultaneously clamped to avoid synchronous rotation of the connecting cylinder 21 and the pipe joint 1, at the moment, the arc-shaped pipe pushing block 5 fixed inside the pipe joint 1 rotates along with the rotation, the end part of the arc-shaped pipe pushing block 5 presses the arc-shaped block 7 to move towards the outside of the pipe joint 1, thereby make fixed disk 31 slide on the inner wall of coupling 1, force the spacing ring 23 removal rather than inconsistent, thereby drive connecting cylinder 21 and rotate to coupling 1's outside direction in coupling 1, fastening ring 222 also can follow the rotation this moment, fastening ring 222 takes place deformation simultaneously, it needs to explain, the setting of a plurality of cards 221, make connector on coolant liquid pipeline or the engine when inserting fastening ring 222, can not take place relative movement with the inner wall of fastening ring 222, then fastening ring 222 will take place deformation, fastening ring 222 can be to its centre of a circle department shrink this moment, and then force a plurality of cards 221 to its centre of a circle department shrink, thereby carry out the chucking to the surface of coolant liquid pipeline and the surface of engine connector and fix.

Further, the cross-section of round platform pipe 32 is trapezoidal, and the internal diameter that round platform pipe 32 is close to fixed disk 31 one side is greater than its internal diameter of keeping away from fixed disk 31 one side, design round platform pipe 32 into the round platform form, can conveniently let the coolant liquid pipeline of different pipe diameters size can both cup joint round platform pipe 32 on the surface, thereby under actual installation environment, need not to match the two-way union coupling that suits again to the coolant liquid pipeline of different pipe diameters, the effectual installation time who has saved coolant liquid pipeline and engine connector, the installation effectiveness of coupling 1 has further been improved.

Further, arc setting is adopted with the contact site of arc ejector pad 5 to arc 7, just the both ends of arc ejector pad 5 all set up to the arc, consequently, there is the slope in arc 7, and there is the slope in arc ejector pad 5 also, when arc 7 and arc ejector pad 5 are inconsistent, rotating tube joint 1, thereby it takes place to rotate to drive the arc ejector pad 5 of fixing in 1 inside of coupling, the tip of its arc ejector pad 5 can take place relative displacement with the tip of arc 7, and then force arc 7 to the outside direction motion of coupling 1, thereby make arc 7 drive round platform pipe 32 and remove, the removal through fixed disk 31 can drive connecting cylinder 21 and to the outside removal of coupling 1, thereby the indirect extension of coupling 1 has been realized, so that coolant liquid pipeline and engine connector are connected with connecting cylinder 21.

Furthermore, both ends of the pipe joint 1 are radially contracted by a part along the pipe joint 1, and the diameter of the end contraction opening of the pipe joint 1 is smaller than the outer diameter of the limiting ring 23, so that when the fixed disc 31 moves, the limiting ring 23 is driven to move, and because the diameter of the end contraction opening of the pipe joint 1 is smaller than the outer diameter of the limiting ring 23, the limiting ring 23 cannot be separated from the pipe joint 1, and the connecting cylinder 21 is ensured not to be separated from the pipe joint 1.

Further, the quantity of stationary blade 24 is equipped with two, and two stationary blades 24 are installed respectively in first linking mechanism and second linking mechanism 6, hold between the fingers two stationary blades 24 simultaneously for when rotating coupling 1, first linking mechanism and second linking mechanism 6 can move towards coupling 1 outside, thereby conveniently assemble the link up to coolant liquid pipeline and engine connector simultaneously, the effectual installation effectiveness who improves the two-way coupling of reducing.

Furthermore, the first sealing ring 4 and the second sealing ring which seal the pipeline are respectively installed at two ends of the pipe joint 1, the first sealing ring 4 and the second sealing ring have the same structure, the sealing performance of the pipe joint 1 can be effectively guaranteed, and the phenomenon that the cooling liquid leaks from the pipe joint 1 is avoided.

Further, one end of the fastening ring 222 is provided with a hole along the circumferential direction of the fastening ring 222, the other end of the fastening ring 222 is inserted into the hole, and the fastening ring 222 is made of a bendable material, so that the fastening ring 222 is convenient to deform in a telescopic manner.

The working principle is as follows: the whole length of the traditional two-way pipe joint is longer than the distance between the cooling liquid pipe joint and the engine connecting port, and if one part is not dismounted, the installation space cannot be met.

And this embodiment is when needs installation reducing two-way pipe joint on the engine, at first one hand is held coupling 1 and is placed between coolant pipe joint and the engine pipe joint, another hand is held between the stationary blade 24 on the first linking mechanism next, the hand that holds coupling 1 is sent out power and is rotated coupling 1 next, the arc pipe ejector pad 5 of fixing in coupling 1 inside this moment follows the rotation, the tip of its arc pipe ejector pad 5 can take place relative displacement with the tip of arc piece 7, and then force arc piece 7 to the outside direction motion of coupling 1, thereby make arc piece 7 drive fixed disk 31 move towards the outside of coupling 1, force spacing ring 23 rather than inconsistent to remove, thereby drive connecting cylinder 21 cover to coolant pipe joint or engine pipe joint, accomplish the fixed of one of them end.

And then, the other fixing piece 24 is pinched, the operation is repeated, the second connecting mechanism 6 is connected with the cooling liquid pipeline joint or the engine pipeline joint, and finally, the two fixing pieces 24 are respectively fixed on the cooling liquid pipeline joint and the engine pipeline joint through the binding belts, so that the connection stability between the reducing two-way pipe joint for the engine and the cooling liquid pipeline joint and between the reducing two-way pipe joint for the engine and the engine pipeline joint is further ensured in the driving process of the vehicle, and the installation of the reducing two-way pipe joint for the engine is finally completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a reducing two-way coupling for engine, includes coupling (1), the both ends aperture size difference of coupling (1), its characterized in that: the one end of coupling (1) is equipped with first linking mechanism, the other end of coupling (1) is equipped with second linking mechanism (6), second linking mechanism (6) is the same with the structure of first linking mechanism, and first linking mechanism comprises fixed subassembly (2) and reducing seal assembly (3) of being connected to the pipeline, just fixed subassembly (2) and coupling (1) sliding connection, reducing seal assembly (3) include fixed disk (31), the periphery of fixed disk (31) and the inner wall sliding connection of coupling (1), the fixed surface of fixed disk (31) is fixed with round platform pipe (32), the gliding promotion subassembly of drive fixed disk (31) is equipped with in coupling (1), and the promotion subassembly comprises arc pipe ejector pad (5) and arc piece (7), arc piece (7) and fixed disk (31) deviate from the one side fixed connection of round platform pipe (32), one end, far away from the fixed disc (31), of the arc-shaped block (7) is abutted against the arc-shaped pipe pushing block (5), and the arc-shaped pipe pushing block (5) is fixed inside the pipe joint (1); fixed subassembly (2) include connecting cylinder (21) and fastening components (22), the outer wall of connecting cylinder (21) rotates with the inner wall of coupling (1) to be connected, fastening components (22) include card (221) and tighrening ring (222), card (221) are equipped with a plurality ofly, and are a plurality of card (221) circumference array is at tighrening ring (222) inner wall, and is a plurality of card (221) and tighrening ring (222) inner wall fixed connection, tighrening ring (222) periphery is established to connecting cylinder (21) cover.

2. The variable diameter two-way pipe joint for the engine according to claim 1, wherein: the inner diameter of one side, close to the fixed disc (31), of the circular truncated cone pipe (32) is larger than the inner diameter of one side, far away from the fixed disc (31), of the circular truncated cone pipe.

3. The variable diameter two-way pipe joint for the engine according to claim 1, wherein: the one end of connecting cylinder (21) is fixed with stationary blade (24), the other end of connecting cylinder (21) is fixed with spacing ring (23), spacing ring (23) cover is established on round platform pipe (32) surface, just spacing ring (23) are inconsistent with fixed disk (31).

4. The variable diameter two-way pipe joint for the engine according to claim 3, wherein: the pipe joint is characterized in that two ends of the pipe joint (1) are partially contracted inwards along the radial direction of the pipe joint, and the diameter of an end part contraction opening of the pipe joint (1) is smaller than the outer diameter of the limiting ring (23).

5. The variable diameter two-way pipe joint for the engine according to claim 3, wherein: the quantity of stationary blade (24) is equipped with two, two stationary blade (24) are established respectively in first linking mechanism and second linking mechanism (6).

6. The variable diameter two-way pipe joint for the engine according to claim 1, wherein: the pipe joint is characterized in that a first sealing ring (4) and a second sealing ring which seal a pipeline are respectively installed at two ends of the pipe joint (1), and the first sealing ring (4) and the second sealing ring are identical in structure.

7. The variable diameter two-way pipe joint for the engine according to claim 1, wherein: one end of the fastening ring (222) is provided with a hole along the circumferential direction of the fastening ring (222), the other end of the fastening ring (222) is inserted into the hole, and the fastening ring (222) is made of a bendable material.

8. The variable diameter two-way pipe joint for the engine according to claim 1, wherein: the contact part of the arc-shaped block (7) and the arc-shaped pipe pushing block (5) is arranged in an arc shape, and the two ends of the arc-shaped pipe pushing block (5) are arranged in an arc shape.