Post-processor connecting device

Abstract

The utility model relates to the field of postprocessor connection, and discloses a postprocessor connecting device which comprises a chimney, the chimney comprises a first exhaust pipe and a second exhaust pipe, the first exhaust pipe is detachably connected to the top end of the second exhaust pipe, a lock ring is hinged to the outer ring of the first exhaust pipe, and a lock catch is hinged to the outer ring of the second exhaust pipe. The outer ring of the first exhaust pipe and the outer ring of the second exhaust pipe are both slidably connected with pressing rings, the pressing rings are driven by bolts to move up and down, and the pressing rings extrude the lock rings and the lock catches to achieve disconnection and connection. The pressing ring device has the advantages that the rollers are rotationally connected to the sliding blocks, the rollers are embedded into the rolling grooves and drive the rollers to roll when the sliding blocks move, friction force between the sliding blocks and the sliding grooves can be reduced, and it is guaranteed that the pressing ring can stably move up and down; by arranging the clamping piece and the clamping groove, when the first exhaust pipe is placed at any angle in the connecting groove, the first exhaust pipe is rotated, and the clamping piece abuts against the interior of the clamping groove under the action of the third spring to position the first exhaust pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of post-processor connection, in particular to a post-processor connection device. Background Art

[0002] A tractor is a self-propelled power machine used to tow and drive working machinery to complete various mobile operations. It can also be used as a fixed working power. It is composed of systems or devices such as an engine, transmission, travel, steering, hydraulic suspension, power output, electrical instruments, driving control and traction. During the operation of the tractor, the post-processor is installed with noise reduction, filtering and cooling components such as a noise reduction pipe, a silencer pipe, a heat sink, and an activated carbon filter. Therefore, the chimney of the post-processor needs to be frequently disassembled and the components need to be cleaned and replaced. However, the chimney of the existing tractor post-processor is mostly connected by screws and nuts, and the operation is frequent and the efficiency is low during disassembly. During installation, each nut needs to be connected with the screw. Therefore, in view of this problem, the utility model proposes the following improvements. Utility Model Content

[0003] The utility model aims to provide a post-processor connecting device, which has the effect of improving the efficiency of disassembling and assembling a chimney.

[0004] The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a post-processor connecting device, including a chimney, the chimney including a first exhaust pipe and a second exhaust pipe, the first exhaust pipe is detachably connected to the top end of the second exhaust pipe, the first exhaust pipe is hinged with a locking ring on the outer ring, a first spring is arranged between the locking ring and the first exhaust pipe, the first exhaust pipe is slidably connected with a first pressure ring on the outer ring, the motion trajectory of the first pressure ring intersects with the locking ring, the first exhaust pipe is rotatably connected with a first bolt, and the end of the first bolt is connected with the first pressure ring; the second exhaust pipe is hinged with a locking buckle on the outer ring, a second spring is arranged between the locking buckle and the second exhaust pipe, the second exhaust pipe is slidably connected with a second pressure ring on the outer ring, the motion trajectory of the second pressure ring intersects with the locking buckle, the second exhaust pipe is rotatably connected with a second bolt, and the end of the second bolt is connected with the second pressure ring.

[0005] By adopting the above technical solution, a pressure ring is set, and the first pressure ring is driven to move downward by the first bolt. The first pressure ring drives the locking ring so that the angle between the locking ring, the first exhaust pipe and the locking ring becomes smaller, and the locking ring continues to be pressed downward until it contacts the locking buckle, and finally the locking ring and the locking buckle are locked; similarly, the second pressure ring is driven to move upward by the second bolt, and the locking buckle is squeezed while the second pressure ring moves upward, and the angle between the locking buckle and the second exhaust pipe becomes smaller. Since the locking buckle is set to an arc shape, the locking buckle disengages from the locking ring while continuing to be pressed upward, thereby achieving the purpose of quick installation and disassembly.

[0006] The utility model is further configured as follows: the first exhaust pipe is provided with a first fixed block, the first fixed block is hinged with a first connecting rod, the first spring is used to press the first connecting rod against the surface of the first pressure ring, the outer ring of the first exhaust pipe is fixedly provided with a first driving plate, and the first bolt is rotatably connected to the first driving plate.

[0007] By adopting the above technical solution, by setting the first connecting rod, the first connecting rod is used to press down on the surface of the first pressure ring on the first spring, the first pressure ring presses down the first connecting rod, and the first connecting rod drives the locking ring to swing, the purpose of the locking ring swinging can be achieved.

[0008] The utility model is further configured as follows: the second exhaust pipe is provided with a second fixed block, the second fixed block is hinged with a second connecting rod, the second spring is used to press the second connecting rod against the surface of the second pressure ring, the outer ring of the second exhaust pipe is fixedly provided with a second driving plate, and the second bolt is rotatably connected to the second driving plate.

[0009] By adopting the above technical solution, by setting the second connecting rod, the second connecting rod is pressed against the surface of the second pressure ring under the action of the second spring, the second pressure ring presses the second connecting rod, and the second connecting rod drives the lock to swing, thereby achieving the purpose of the lock swinging.

[0010] The utility model is further configured as follows: the first pressure ring is fixedly provided with a first connecting plate, and the bottom end of the first bolt is rotatably connected to the first connecting plate.

[0011] By adopting the above technical solution, by setting the first connecting plate, the bottom end of the first bolt is rotatably connected to the first connecting plate, and when the first screw rod rotates, the first connecting plate is driven to move up and down, thereby achieving the purpose of the first bolt driving the first pressure ring to move up and down.

[0012] The utility model is further configured as follows: the second pressure ring is fixedly provided with a second connecting plate, and the top end of the second bolt is rotatably connected to the second connecting plate.

[0013] By adopting the above technical solution, by setting the second connecting plate, the top end of the second bolt is rotatably connected to the second connecting plate, and when the second bolt rotates, the second connecting plate is driven to move up and down, thereby achieving the purpose of the second bolt driving the second pressure ring to move up and down.

[0014] The utility model is further configured as follows: a plurality of first sliding grooves are vertically fixedly opened on the outer ring of the first exhaust pipe, a first sliding block is slidably connected in the first sliding groove, the plurality of first sliding blocks are symmetrically distributed, and the first pressure ring is fixedly connected to the plurality of first sliding blocks; a plurality of second sliding grooves are vertically opened on the outer ring of the second exhaust pipe, a second sliding groove is slidably connected in the second sliding groove, the plurality of second sliding blocks are symmetrically distributed, and the second pressure ring is fixedly connected to the plurality of second sliding blocks.

[0015] By adopting the above technical solution, by setting the slide groove and the slider, the slider is symmetrically distributed, when the bolt drives the pressure ring to move up and down, the purpose of uniform force on the slider and smooth movement of the pressure ring can be achieved.

[0016] The utility model is further configured as follows: the first slider is rotatably connected to a first roller, the first slide groove is provided with a first rolling groove for the first roller to be embedded in; the second slider is rotatably connected to a second roller, the second slide groove is provided with a second rolling groove for the second roller to be embedded in.

[0017] By adopting the above technical solution, by setting rollers and rolling grooves, the slider is slidably connected to the slide groove through the rollers and rolling grooves. When the bolt drives the pressure ring to move up and down, the friction between the slider and the slide groove can be reduced and the slider can be prevented from detaching from the slide groove, thereby achieving the purpose of the slider driving the pressure ring to move smoothly in the slide groove.

[0018] The utility model is further configured as follows: the diameter of the first exhaust pipe is smaller than the diameter of the second exhaust pipe, and a connecting groove for the first exhaust pipe to be embedded is provided at the top end of the second exhaust pipe.

[0019] By adopting the above technical solution and providing a connecting groove, the first exhaust pipe can be embedded in the second exhaust pipe, thereby achieving the purpose of preventing exhaust gas leakage and stabilizing the connection.

[0020] The utility model is further configured as follows: a plurality of card slots are provided on the outer ring of the first exhaust pipe, the two sides of the card slots are rounded, a card piece is slidably connected in the connecting slot, a third spring is connected between the card piece and the connecting slot, and the third spring is used to press the card piece against the card slot.

[0021] By adopting the above technical solution, by setting the card slot and the card piece, the first exhaust pipe can be prevented from being positioned at any angle in the connecting groove. By rotating the first exhaust pipe, the third spring will press the card piece against the card slot, thereby achieving the purpose of automatic positioning of the first exhaust pipe.

[0022] The utility model is further configured as follows: the end of the clamp is rounded, there are a plurality of clamps, and the plurality of clamp slots correspond to the plurality of clamps one by one.

[0023] By adopting the above technical solution and setting the rounded corners, when the first exhaust pipe is rotated, the clamping piece can be pushed into the clamping slot under uneven force conditions, and can also be rotated out of the clamping slot, thereby achieving the purpose of positioning.

[0024] The beneficial effects of the utility model are:

[0025] 1. By setting a rotating connecting roller on the slider, the roller is embedded in the rolling groove and drives the roller to roll when the slider moves, which can reduce the friction between the slider and the sliding groove and ensure that the pressure ring can move up and down smoothly.

[0026] 2. By setting the clamp and the slot, when the first exhaust pipe is placed in the connecting slot at any angle, the first exhaust pipe is rotated, and the clamp is pressed against the slot under the action of the third spring to position the first exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0029] Figure 2 yes Figure 1 Schematic diagram of the local structure of the exhaust pipe connection.

[0030] Figure 3 It is a schematic diagram of the local structure of the locking ring and lock buckle connection of the utility model.

[0031] Figure 4 It is a schematic diagram of the cross-sectional structure of the chute of the utility model.

[0032] Figure 5 It is a schematic diagram of the cross-sectional structure of the utility model at the connecting groove.

[0033] Figure 6 yes Figure 5 Schematic diagram of the local structure of the card slot.

[0034] In the figure, 1, chimney; 2, first exhaust pipe; 21, first fixed block; 211, first connecting rod; 212, locking ring; 22, first spring; 23, first driving plate; 231, first bolt; 24, clamping groove; 3, second exhaust pipe; 31, second fixed block; 311, second connecting rod; 312, locking buckle; 32, second spring; 33, second driving plate; 331, second bolt; 34, connecting groove; 341, clamping piece; 342, third spring; 4, first sliding groove; 41, first sliding block; 411, first roller; 42, first pressure ring; 421, first connecting plate; 43, first rolling groove; 5, second sliding groove; 51, second sliding block; 511, second roller; 52, second pressure ring; 521, second connecting plate; 53, second rolling groove. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Embodiment, a post-processor connection device, such as Figure 1-Figure 6As shown, the chimney 1 includes a first exhaust pipe 2 and a second exhaust pipe 3 connected in an upper and lower manner. The first exhaust pipe 2 is detachably connected to the top end of the second exhaust pipe 3. The diameter of the first exhaust pipe 2 is smaller than the diameter of the second exhaust pipe 3. The wall of the first exhaust pipe 2 is smaller than the wall of the second exhaust pipe 3. A connecting groove 34 for the first exhaust pipe 2 to be embedded is provided at the top end of the second exhaust pipe 3. The connecting groove 34 is annular and is arranged coaxially with the second connecting groove 34. A plurality of card grooves 24 are provided at the bottom end of the first exhaust pipe 2 connected to the connecting groove 34. The plurality of card grooves 24 are symmetrically distributed. Both sides of the card grooves 24 are rounded. A plurality of card members 341 are slidably connected in the connecting groove 34. The card members 341 are connected to the connecting groove 34. A third spring 342 is connected between the grooves 34, the ends of the clamping members 341 are rounded, and a plurality of clamping members 341 correspond to a plurality of clamping grooves 24 one by one. The first exhaust pipe 2 is vertically provided with a plurality of first slide grooves 4, and the plurality of first slide grooves 4 are symmetrically distributed. A first slider 41 is slidably connected in the first slide groove 4, and a first roller 411 is rotatably provided on the first slider 41. A first rolling groove 43 for the first roller 411 to be embedded and rolled is provided in the first slide groove 4, and a first pressure ring 42 is fixedly connected to the ends of the plurality of first sliders 41 away from the first exhaust pipe 2, and a first fixing block 21 is fixedly provided on the outer ring of the first exhaust pipe 2, and a first connecting rod 211 is hinged to the first fixing block 21, and the first connecting rod 211 is hinged to the first connecting rod 211. A first spring 22 is connected between the first exhaust pipe 2, and the first spring 22 is used to press the first connecting rod 211 against the surface of the first pressure ring 42. A locking ring 212 is fixedly arranged at the end of the first connecting rod 211. The outer ring of the first exhaust pipe 2 is rotatably connected with a first bolt 231, and the first pressure ring 42 is fixedly arranged with a first connecting plate 421. The bottom end of the first bolt 231 is rotatably connected to the first connecting plate 421; a plurality of second slide grooves 5 are vertically opened on the outer ring of the second exhaust pipe 3, and the plurality of second slide grooves 5 are symmetrically distributed. A second slider 51 is slidably connected in the second slide groove 5, and a second roller 511 is rotatably arranged on the second slider 51. A second roller 511 is provided inside the second slide groove 5 for the second roller 511 to be embedded and rolled. Two rolling grooves 53, and a plurality of second sliders 51 are symmetrically distributed. The end of the second slider 51 away from the second exhaust pipe 3 is fixedly connected with a second pressure ring 52. The outer ring of the second exhaust pipe 3 is fixedly provided with a second fixing block 31. The second fixing block 31 is hinged with a second connecting rod 311. A second spring 32 is connected between the second connecting rod 311 and the second exhaust pipe 3. The second spring 32 is used to press the second connecting rod 311 against the surface of the second pressure ring 52. A lock buckle 312 is fixedly connected to the end of the second connecting rod 311. The second pressure ring 52 is fixedly provided with a second connecting plate 521. The outer ring of the second exhaust pipe 3 is rotatably connected with a second bolt 331, and the top end of the second bolt 331 is rotatably connected to the second connecting plate 521.

[0037] The working principle is as follows: the first exhaust pipe 2 is placed in the connecting groove 34 and the first exhaust pipe 2 is rotated, the third spring 342 presses the clamp 341 against the clamping groove 24, and the first bolt 231 is driven to rotate. The first bolt 231 rotates to drive the first pressure ring 42 to move downward, and the first pressure ring 42 squeezes the first connecting rod 211. The angle between the first connecting rod 211 and the first exhaust pipe 2 is reduced and connected with the lock buckle 312, so as to realize the connection between the first exhaust pipe 2 and the second exhaust pipe 3; the second bolt 331 is driven to rotate, the second bolt 331 drives the second pressure ring 52 to move upward, and the second pressure ring 52 squeezes the second connecting rod 311. The angle between the lock buckle 312 and the second exhaust pipe 3 is reduced and disconnected from the lock ring 212. The first exhaust pipe 2 is rotated, and the clamp 341 is turned out from the clamping groove 24, so as to realize the disassembly between the first exhaust pipe 2 and the second exhaust pipe 3.

Claims

1. A post-processor connection device, comprising a chimney (1), characterized in that: The chimney (1) comprises a first exhaust pipe (2) and a second exhaust pipe (3); the first exhaust pipe (2) is detachably connected to the top end of the second exhaust pipe (3); a locking ring (212) is hingedly connected to the outer ring of the first exhaust pipe (2); a first spring (22) is arranged between the locking ring (212) and the first exhaust pipe (2); a first pressure ring (42) is slidably connected to the outer ring of the first exhaust pipe (2); a movement trajectory of the first pressure ring (42) intersects with the locking ring (212); and a first bolt (231) is rotatably connected to the first exhaust pipe (2). The end of the first bolt (231) is connected to the first pressure ring (42); the outer ring of the second exhaust pipe (3) is hinged with a lock buckle (312), a second spring (32) is arranged between the lock buckle (312) and the second exhaust pipe (3), the outer ring of the second exhaust pipe (3) is slidably connected to a second pressure ring (52), the movement trajectory of the second pressure ring (52) intersects with the lock buckle (312), the second exhaust pipe (3) is rotatably connected to a second bolt (331), and the end of the second bolt (331) is connected to the second pressure ring (52).

2. A post-processor connection device according to claim 1, characterized in that: The first exhaust pipe (2) is provided with a first fixing block (21), the first fixing block (21) is hinged with a first connecting rod (211), the first spring (22) is used to press the first connecting rod (211) against the surface of the first pressure ring (42), the outer ring of the first exhaust pipe (2) is fixedly provided with a first driving plate (23), and the first bolt (231) is rotatably connected to the first driving plate (23).

3. A post-processor connection device according to claim 2, characterized in that: The second exhaust pipe (3) is provided with a second fixed block (31), the second fixed block (31) is hinged with a second connecting rod (311), the second spring (32) is used to press the second connecting rod (311) against the surface of the second pressure ring (52), the outer ring of the second exhaust pipe (3) is fixedly provided with a second driving plate (33), and the second bolt (331) is rotatably connected to the second driving plate (33).

4. A post-processor connection device according to claim 3, characterized in that: The first pressure ring (42) is fixedly provided with a first connecting plate (421), and the bottom end of the first bolt (231) is rotatably connected to the first connecting plate (421).

5. A post-processor connection device according to claim 4, characterized in that: The second pressure ring (52) is fixedly provided with a second connecting plate (521), and the top end of the second bolt (331) is rotatably connected to the second connecting plate (521).

6. A post-processor connection device according to claim 5, characterized in that: The outer ring of the first exhaust pipe (2) is vertically fixed with a plurality of first sliding grooves (4), the first sliding grooves (4) are slidably connected with first sliders (41), the plurality of first sliders (41) are symmetrically distributed, and the first pressure ring (42) is fixedly connected to the plurality of first sliders (41); the outer ring of the second exhaust pipe (3) is vertically fixed with a plurality of second sliding grooves (5), the second sliding grooves (5) are slidably connected with second sliders (51), the plurality of second sliders (51) are symmetrically distributed, and the second pressure ring (52) is fixedly connected to the plurality of second sliders (51).

7. A post-processor connection device according to claim 6, characterized in that: The first sliding block (41) is rotatably connected to a first roller (411), and the first sliding groove (4) is provided with a first rolling groove (43) for the first roller (411) to be embedded; the second sliding block (51) is rotatably connected to a second roller (511), and the second sliding groove (5) is provided with a second rolling groove (53) for the second roller (511) to be embedded.

8. A post-processor connection device according to claim 7, characterized in that: The diameter of the first exhaust pipe (2) is smaller than the diameter of the second exhaust pipe (3), and a connecting groove (34) for the first exhaust pipe (2) to be embedded is provided at the top end of the second exhaust pipe (3).

9. A post-processor connection device according to claim 8, characterized in that: The outer ring of the first exhaust pipe (2) is provided with a plurality of slots (24), both sides of the slots (24) are rounded, a clip (341) is slidably connected in the connecting slot (34), a third spring (342) is connected between the clip (341) and the connecting slot (34), and the third spring (342) is used to press the clip (341) against the slot (24).

10. A post-processor connection device according to claim 9, characterized in that: The end of the clamping piece (341) is rounded, there are a plurality of clamping pieces (341), and the plurality of clamping slots (24) correspond one to one with the plurality of clamping pieces (341).

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