CN218711955U

CN218711955U - Prevent nozzle assembly of leakage

Info

Publication number: CN218711955U
Application number: CN202222910486.5U
Authority: CN
Inventors: 詹志宏
Original assignee: Hubei Hengcheng Automobile Technology Co ltd
Current assignee: Hubei Hengcheng Automobile Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-24
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of asphalt spraying, in particular to a leakage-proof nozzle assembly, which comprises a first spray pipe and a second spray pipe, wherein the bottom of the second spray pipe is provided with a nozzle, a linking assembly is arranged between the first spray pipe and the second spray pipe, and the linking assembly comprises a linking block and two annular insertion blocks; still including fixed subassembly, fixed subassembly is equipped with four, and wherein two fixed subassembly symmetric distribution are close to the lateral wall on bottom at first spray tube, and two fixed subassembly symmetric distribution are close to the lateral wall on top at the second spray tube in addition. The utility model discloses a link up the piece and connect two annular inserted blocks, then through the cooperation of annular inserted block with annular slot to link up first spray tube and second spray tube, then guide the flow direction of pitch through flow chamber and drainage piece, through inlaying at sealing ring outer wall and annular inserted block inner wall and being equipped with the rubber gasket, be used for strengthening the leakproofness of its junction, outwards leak when effectively avoiding pitch to flow in the spray tube.

Description

Prevent nozzle assembly of leakage

Technical Field

The utility model relates to a pitch sprays technical field, specifically is a prevent nozzle assembly of leakage.

Background

The asphalt spreading vehicle is a black pavement construction machine, which is a main device for constructing highways, urban roads, airports and ports and wharfs, the asphalt spreading vehicle needs to spread asphalt by using an asphalt nozzle for pitch when constructing or maintaining an asphalt pavement, the asphalt nozzle is a special nozzle specially used for asphalt medium construction and widely used for various construction work types of the asphalt pavement, a nozzle assembly used in the traditional technology comprises a spray pipe and a nozzle, wherein one end of the spray pipe is used for fixing a spray head cylinder, and the other end of the spray pipe is used for fixing the nozzle;

in addition, the threads and thread grooves arranged at the joint of the two spray pipes can be damaged and deformed after being used for a long time, so that the joint cannot be matched with the thread structures on other spray pipes, the thread position of one of the spray pipes is damaged, the spray pipes connected with the spray pipes are required to be replaced together, the cost consumed during maintenance of the nozzle assembly is increased, and accordingly the nozzle assembly is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to make up for above deficiency, the utility model provides a prevent nozzle assembly of leakage.

The technical scheme of the utility model is that:

a leakage-proof nozzle assembly comprises a first spray pipe and a second spray pipe, wherein a nozzle is arranged at the bottom of the second spray pipe, a connecting assembly used for detachably connecting the first spray pipe and the second spray pipe is arranged between the first spray pipe and the second spray pipe, and the connecting assembly comprises a connecting block and two annular inserting blocks;

still include fixed subassembly, fixed subassembly is equipped with four, two of them fixed subassembly symmetric distribution is in the lateral wall that first spray tube is close to the bottom, and another two fixed subassembly symmetric distribution is in the lateral wall that the second spray tube is close to the top.

According to a preferable technical scheme, the two annular insertion blocks are symmetrically distributed on the upper side and the lower side of the connection block, a flowing cavity for asphalt to flow is formed in the center of the connection block, and the distance between the inner walls of the flowing cavity, which are close to the top end, is gradually increased from bottom to top.

According to a preferable technical scheme, a flow guide block is arranged at the bottom of the connection block and on the inner side of the annular insertion block, a sealing ring is arranged outside the flow guide block, and a rubber gasket is embedded in the outer wall of the sealing ring.

As an optimized technical scheme, annular slots movably inserted with the annular insertion blocks are formed between the inner wall and the outer wall of the bottom end of the first spray pipe and between the inner wall and the outer wall of the top end of the second spray pipe.

As a preferred technical scheme, when the annular insertion block on the lower side is immersed in the annular slot formed in the top end of the second spray pipe, the outer wall of the sealing ring is tightly attached to the inner wall of the second spray pipe.

As the preferred technical scheme, the fixing assembly comprises a vertically arranged rectangular plate, a fixing rod is transversely connected to the center of the rectangular plate in a sliding mode, and positioning rods parallel to the fixing rod are arranged on the upper side and the lower side of the fixing rod.

As the preferred technical scheme, one end of the fixing rod penetrating through the rectangular plate is in threaded connection with a nut, and springs are sleeved outside the fixing rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a link up the piece and connect two annular inserted blocks, then through the cooperation of annular inserted block and annular slot to link up first spray tube and second spray tube, then guide the flow direction of pitch through flow chamber and drainage piece, through inlaying the rubber gasket in sealing ring outer wall and annular inserted block inner wall, be used for strengthening the leakproofness of its junction, outwards leak when effectively avoiding pitch to flow in the spray tube;

2. the utility model discloses a set up fixed subassembly at first spray tube lateral wall and be used for dismantling the connection to first spray tube and the annular inserted block that corresponds with it, then can dismantle the connection to second spray tube and the annular inserted block that corresponds with it through the fixed subassembly that corresponds with the second spray tube, and simple structure, the simple operation has improved the convenience of carrying out loading and unloading to two spray tubes to change alone and reduce nozzle assembly's cost of maintenance to the spray tube of damage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the overall structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the utility model after the partial structure is cut;

fig. 4 is a schematic structural view of the middle fixing component of the present invention.

The meaning of the individual reference symbols in the figures is:

1. a first nozzle;

2. an engagement assembly; 21. a joining block; 211. a flow chamber; 22. an annular insert block; 221. positioning a groove; 23. a drainage block; 231. a seal ring;

3. a second nozzle; 31. an annular slot;

4. a nozzle;

5. a fixing assembly; 51. a rectangular plate; 52. a fixing rod; 521. a nut; 53. positioning a rod; 54. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a leakage-proof nozzle assembly comprises a first spray pipe 1 and a second spray pipe 3, wherein a nozzle 4 is arranged at the bottom of the second spray pipe 3, a connecting assembly 2 used for detachably connecting the first spray pipe 1 and the second spray pipe 3 is arranged between the first spray pipe 1 and the second spray pipe 3, the connecting assembly 2 comprises a connecting block 21 and two annular inserting blocks 22, the two annular inserting blocks 22 are symmetrically distributed on the upper side and the lower side of the connecting block 21, a flowing cavity 211 for asphalt to flow is formed in the center of the connecting block 21, the distance between the inner walls of the flowing cavity 211 close to the top end is gradually increased from bottom to top, and the distance between the inner walls of the top end of the flowing cavity 211 is matched with the distance between the inner walls of the bottom end of the first spray pipe 1;

furthermore, a diversion block 23 is arranged at the bottom of the connection block 21 and on the inner side of the annular insertion block 22 and used for guiding the flow direction of the asphalt in the flow cavity 211, a sealing ring 231 is arranged outside the diversion block 23, annular slots 31 movably inserted with the annular insertion block 22 are respectively arranged between the inner wall and the outer wall of the bottom end of the first spray pipe 1 and between the inner wall and the outer wall of the top end of the second spray pipe 3, so that the annular insertion block 22 is inserted into the corresponding annular slot 31 to realize the connection of the first spray pipe 1 and the second spray pipe 3;

specifically, when the lower annular insert 22 is immersed in the annular slot 31 formed in the top end of the second nozzle 3, the outer wall of the sealing ring 231 is tightly attached to the inner wall of the second nozzle 3, a rubber gasket is embedded in the outer wall of the sealing ring 231 for enhancing the sealing performance between the outer wall of the sealing ring 231 and the inner wall of the second nozzle 3, and the asphalt is prevented from leaking outwards through the gap between the sealing ring 231 and the second nozzle 3, and the rubber gasket is also embedded in the inner wall of the annular insert 22 for enhancing the sealing performance between the inner wall of the annular insert 22 and the side wall of the corresponding annular slot 31, so that the asphalt is prevented from leaking from the gap between the inner wall of the annular insert 22 and the side wall of the corresponding annular slot 31.

The spray pipe is characterized by further comprising four fixing assemblies 5, wherein two fixing assemblies 5 are symmetrically distributed on the side wall, close to the bottom end, of the first spray pipe 1, the other two fixing assemblies 5 are symmetrically distributed on the side wall, close to the top end, of the second spray pipe 3, each fixing assembly 5 comprises a vertically arranged rectangular plate 51, a fixing rod 52 is transversely connected to the center of each rectangular plate 51 in a sliding mode, and positioning rods 53 parallel to the fixing rods 52 are arranged on the upper side and the lower side of each fixing rod 52;

specifically, one end of the fixing rod 52 is fixedly connected to the outer wall of the corresponding first nozzle 1 or second nozzle 3, the fixing rod 52 is perpendicular to the side wall of the first nozzle 1, one end of the fixing rod 52, which is far away from the first nozzle 1 or second nozzle 3, penetrates through the corresponding rectangular plate 51 and is in threaded connection with the nut 521, the spring 54 is sleeved outside the positioning rod 53, one end of the spring 54 is fixedly connected to the outer wall of the corresponding first nozzle 1 or second nozzle 3, the other end of the spring 54 is fixedly connected to the corresponding rectangular plate 51, the first through groove and the second through groove which are in sliding connection with the positioning rod 53 are respectively formed in the outer walls of the first nozzle 1 and second nozzle 3, and the positioning groove 221 which is in sliding connection with the positioning rod 53 is formed in the outer wall of the annular insert 22.

The utility model discloses a nozzle assembly who prevents leakage when using, at first, insert upside annular inserted block 22 in the annular slot 31 that first spray tube 1 bottom was seted up, make the top of side annular inserted block 22 and the top inner wall of the annular slot 31 that first spray tube 1 bottom was seted up contact, then adjust the angle between upside annular inserted block 22 and the first spray tube 1, make locating lever 53 correspond with the constant head tank 221 position that upside annular inserted block 22 outer wall was seted up, then promote the rectangular plate 51 that first spray tube 1 lateral wall corresponds to move to being close to first spray tube 1 one side, make rectangular plate 51 drive the axial synchronous motion along dead lever 52 of locating lever 53 that corresponds with it, then make the one end that rectangular plate 51 was kept away from to locating lever 53 pass first logical groove and constant head tank 221 that correspond with it in proper order, rectangular plate 51 produces pressure to spring 54 when moving, then make spring 54 shrink after the atress, then twist the outside nut 521 of dead lever 52, make nut 521 close to one side and the outer wall of rectangular plate 51 contact, and then realize the restriction to rectangular plate 51 that the reverse limit of spring 54 position of pushing away from rectangular plate, and can dismantle annular inserted block 22 and carry out the connection with second reverse side of the annular inserted block 3;

therefore, the centers of the first spray pipe 1 and the second spray pipe 3 correspond to each other, then the asphalt flows in the first spray pipe 1, flows into the second spray pipe 3 through the guide of the flow cavity 211 and the drainage block 23 and is sprayed out through the nozzle 4, and rubber gaskets are embedded on the inner wall of the annular insertion block 22 and the outer wall of the sealing ring 231 to enhance the sealing performance of the joint of the annular insertion block and the first spray pipe 1 or the second spray pipe 3, so that the asphalt is effectively prevented from leaking outwards through gaps of the joint when flowing in the first spray pipe 1, the flow cavity 211 and the second spray pipe 3.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A leak-proof nozzle assembly, comprising: the device comprises a first spray pipe (1) and a second spray pipe (3), wherein a nozzle (4) is arranged at the bottom of the second spray pipe (3), a connecting assembly (2) used for detachably connecting the first spray pipe (1) and the second spray pipe (3) is arranged between the first spray pipe (1) and the second spray pipe (3), and the connecting assembly (2) comprises a connecting block (21) and two annular inserting blocks (22);

still include fixed subassembly (5), fixed subassembly (5) are equipped with four, wherein two fixed subassembly (5) symmetric distribution is in first spray tube (1) is close to the lateral wall of bottom, and two in addition fixed subassembly (5) symmetric distribution is in second spray tube (3) is close to the lateral wall of top.

2. A leak resistant nozzle assembly as recited in claim 1, wherein: two annular inserted block (22) symmetric distribution is in join the upper and lower both sides of piece (21), join the center department of piece (21) and offer the mobile chamber (211) that supplies pitch to flow, the inner wall interval that flows chamber (211) is close to the top is supreme crescent from down.

3. A leak resistant nozzle assembly as set forth in claim 2 wherein: the bottom of the joining block (21) is located on the inner side of the annular inserting block (22) and is provided with a flow guide block (23), a sealing ring (231) is arranged outside the flow guide block (23), and a rubber gasket is embedded in the outer wall of the sealing ring (231).

4. A leak resistant nozzle assembly as recited in claim 3, wherein: annular slots (31) movably inserted with the annular insertion blocks (22) are formed between the inner wall and the outer wall of the bottom end of the first spray pipe (1) and between the inner wall and the outer wall of the top end of the second spray pipe (3).

5. A leak resistant nozzle assembly as set forth in claim 4 wherein: and when the annular inserting block (22) on the lower side is immersed into the annular slot (31) formed in the top end of the second spray pipe (3), the outer wall of the sealing ring (231) is tightly attached to the inner wall of the second spray pipe (3).

6. A leak resistant nozzle assembly as recited in claim 1, wherein: the fixing assembly (5) comprises a vertically arranged rectangular plate (51), a fixing rod (52) is connected to the center of the rectangular plate (51) in a transverse sliding mode, and positioning rods (53) parallel to the fixing rod (52) are arranged on the upper side and the lower side of the fixing rod.

7. A leak resistant nozzle assembly as set forth in claim 6 wherein: the fixing rod (52) penetrates through one end of the rectangular plate (51) and is connected with a nut (521) in a threaded mode, and springs (54) are sleeved outside the fixing rod (53).