CN219117884U

CN219117884U - Asphalt nozzle assembly

Info

Publication number: CN219117884U
Application number: CN202220197854.3U
Authority: CN
Inventors: 于子臣; 王琳; 张青
Original assignee: Shandong Aobang Machinery Equipment Manufacturing Co ltd
Current assignee: Shandong Aobang Machinery Equipment Manufacturing Co ltd
Priority date: 2022-01-22
Filing date: 2022-01-22
Publication date: 2023-06-02
Anticipated expiration: 2032-01-22

Abstract

The utility model discloses an asphalt nozzle assembly, which comprises a spray rod and a nozzle assembly, wherein the nozzle assembly comprises a spray head cylinder and a first sleeve, a sealing conical head is fixedly arranged at the bottom end of a piston rod of the spray head cylinder, the piston rod of the spray head cylinder and an upper sealing conical head arranged on the piston rod of the spray head cylinder can be inserted into the first sleeve, an upper fixing nut is connected onto the piston rod of the spray head cylinder in a threaded manner, an inlet is formed in the first sleeve, a second sleeve is fixedly arranged at the bottom end of the first sleeve, the first sleeve and the second sleeve are of an integrated structure, the diameter of the second sleeve is larger than that of the first sleeve, external threads are formed in the periphery of the second sleeve, and a lower fixing nut is arranged on the second sleeve. The utility model has reasonable structural design and simple operation, the nozzle is provided with the locating pin, the installation angle can be rapidly determined and accurately installed, the nozzle assembly can be detachably installed on the spray rod, and the spray head cylinder and the nozzle in the nozzle assembly are also detachably installed together, so that the assembly, the disassembly and the maintenance of the nozzle assembly are convenient.

Description

Asphalt nozzle assembly

Technical Field

The utility model relates to a nozzle assembly, in particular to an asphalt nozzle assembly.

Background

The asphalt nozzle assembly is a special nozzle specially used for asphalt medium construction and is widely used for various construction works of asphalt pavements. The nozzle assembly used at present is mostly directly welded on a spray boom, and the nozzle assembly structure is easy to damage due to various reasons in the construction process.

Disclosure of Invention

The present utility model is directed to an asphalt nozzle assembly that solves the problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an asphalt nozzle assembly, including spray lance and nozzle assembly, the nozzle assembly includes the shower nozzle cylinder and first sleeve pipe, the piston rod bottom fixed mounting sealing cone head of shower nozzle cylinder, the piston rod of shower nozzle cylinder and last sealing cone head on can insert in the first sleeve pipe, the spiro union has last fixation nut on the piston rod of shower nozzle cylinder, the import has been seted up on the first sleeve pipe, first sleeve pipe bottom fixed mounting second sleeve pipe, first sleeve pipe and second sleeve pipe structure as an organic whole, and second sleeve pipe diameter is greater than first sleeve pipe diameter, the external screw thread has been seted up to the second sleeve pipe periphery, be equipped with fixation nut down on the second sleeve pipe, lower fixation nut and external screw thread screw-thread fit, the arc recess is seted up to the second sleeve pipe bottom surface, set up the round annular groove in the second sleeve pipe, arc recess top communicates with each other with the inside with the ring groove, be equipped with the nozzle in the second sleeve pipe, nozzle outside fixed mounting has the locating pin, the locating pin can insert in the ring groove through the arc recess, and the locating pin can remove in the ring groove, sealing cone head can insert in the nozzle, and with it is sealed.

According to the asphalt nozzle assembly, the elastic retainer ring is arranged between the top end of the first sleeve and the bottom surface of the cylinder body of the spray head cylinder, and the elastic retainer ring is sleeved on the top end of the first sleeve.

An asphalt nozzle assembly as defined above, wherein said first sleeve and said second sleeve are secured together by welding.

According to the asphalt nozzle assembly, the through holes are formed in the top surface and the bottom surface of the spray rod, the first sleeve can be inserted into the through holes, and the inlet on the first sleeve is located in the spray rod.

In one of the above asphalt nozzle assemblies, a sealing ring (not shown) is sleeved on the second sleeve, and the sealing ring is located between the lower fixing nut and the spray rod.

The utility model has the advantages that: the utility model has reasonable structural design and simple operation, the nozzle is provided with the locating pin, the installation angle can be rapidly determined and accurately installed, the nozzle assembly can be detachably installed on the spray rod, and the spray head cylinder and the nozzle in the nozzle assembly are also detachably installed together, so that the assembly, the disassembly and the maintenance of the nozzle assembly are convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a schematic view of the structure of a spray bar from one perspective;

FIG. 3 is a schematic view of another view of the spray bar; FIG. 4 is a schematic structural view of a nozzle assembly; FIG. 5 is a schematic view of the nozzle assembly with the first sleeve and the second sleeve removed; FIG. 6 is a schematic view of the connection structure of the nozzle cylinder, sealing cone and upper fixing nut; FIG. 7 is a schematic view of the structure of the nozzle; FIG. 8 is a schematic view of the connection structure of the first sleeve, the second sleeve and the circlip from one perspective; FIG. 9 is a schematic view of the connection structure from another perspective of the first sleeve, the second sleeve, and the circlip; fig. 10 is a schematic view of the connection structure of the first sleeve, the second sleeve, the circlip, and the lower fixing nut.

Reference numerals: 1. a spray head cylinder; 2. sealing the cone head; 3. a first sleeve; 4. a second sleeve; 5. a lower fixing nut; 6. an arc-shaped groove; 7. an annular groove; 8. a nozzle; 9. a positioning pin; 10. an inlet; 11. an upper fixing nut; 12. and (5) a circlip.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-10, an asphalt nozzle assembly comprises a spray rod and a nozzle assembly, the nozzle assembly comprises a spray head cylinder 1 and a first sleeve 3, a sealing cone head 2 is fixedly arranged at the bottom end of a piston rod of the spray head cylinder 1, the piston rod of the spray head cylinder 1 and an upper sealing cone head 2 on the piston rod can be inserted into the first sleeve 3, an upper fixing nut 11 is screwed on the piston rod of the spray head cylinder 1, an inlet 10 is formed in the first sleeve 3, a second sleeve 4 is fixedly arranged at the bottom end of the first sleeve 3, the first sleeve 3 and the second sleeve 4 are of an integral structure, the diameter of the second sleeve 4 is larger than that of the first sleeve 3, an external thread is formed in the periphery of the second sleeve 4, a lower fixing nut 5 is arranged on the second sleeve 4 and is in threaded fit with the external thread, an arc groove 6 is formed in the bottom surface of the second sleeve 4, a circle of annular groove 7 is formed in the second sleeve 4, the top end of the arc groove 6 is communicated with the annular groove 7, a nozzle 8 is arranged in the second sleeve 4, a positioning pin 9 is fixedly arranged on the outer side of the nozzle 8, the positioning pin 9 can be inserted into the arc groove 6, the positioning pin 9 can be moved in the annular groove 7, and the annular groove 8 can be sealed in the annular groove 2. When the utility model is used, the spray head cylinder 1 drives the sealing cone head 2 to move upwards, the sealing cone head 2 is separated from the spray nozzle 8, and then asphalt in the spray rod flows into the spray nozzle 8 through the inlet 10 on the first sleeve 3 and is sprayed out through the spray nozzle 8; when the spray head cylinder is assembled, the first sleeve 3 passes through the through hole from the bottom of the spray rod, the lower fixing nut 5 is screwed down, so that the first sleeve 3 and the second sleeve 4 are fixed on the spray rod, then the piston rod of the spray head cylinder 1 and the sealing cone head 2 on the piston rod are inserted into the first sleeve 3, the fixing nut 11 is screwed down, so that the spray head cylinder 1 can be fixed on the first sleeve 3, the positioning pin 9 is aligned with the arc-shaped groove 6, the nozzle 8 is inserted into the second sleeve 4, finally the nozzle 8 is rotated, the positioning pin 9 enters the annular groove 7, and the nozzle 8 can be fixed in the second sleeve 4; the utility model has reasonable structural design and simple operation, the nozzle 8 is provided with the locating pin 9, the installation angle can be rapidly determined and accurately installed, the nozzle assembly can be detachably installed on the spray rod, and the spray head cylinder 1 and the nozzle 8 in the nozzle assembly are also detachably installed together, so that the assembly, the disassembly and the maintenance of the nozzle assembly are convenient.

Specifically, a circlip 12 is disposed between the top end of the first sleeve 3 and the bottom surface of the cylinder body of the spray head cylinder 1 in this embodiment, and the circlip 12 is sleeved on the top end of the first sleeve 3.

Specifically, the first sleeve 3 and the second sleeve 4 in this embodiment are fixed together by welding.

Further, through holes are formed in the top surface and the bottom surface of the spray rod in the embodiment, the first sleeve 3 can be inserted into the through holes, and an inlet on the first sleeve 3 is located in the spray rod.

Further, a sealing ring (not shown in the drawing) is sleeved on the second sleeve 4 in this embodiment, and the sealing ring is located between the lower fixing nut 5 and the spray rod.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. An asphalt nozzle assembly, characterized by: the spray nozzle comprises a spray rod and a nozzle assembly, wherein the nozzle assembly comprises a spray cylinder (1) and a first sleeve (3), a sealing conical head (2) is fixedly arranged at the bottom end of a piston rod of the spray cylinder (1), the piston rod of the spray cylinder (1) and an upper sealing conical head (2) arranged on the piston rod can be inserted into the first sleeve (3), an upper fixing nut (11) is screwed on the piston rod of the spray cylinder (1), an inlet (10) is formed in the first sleeve (3), a second sleeve (4) is fixedly arranged at the bottom end of the first sleeve (3), the first sleeve (3) and the second sleeve (4) are of an integral structure, the diameter of the second sleeve (4) is larger than that of the first sleeve (3), an external thread is formed at the outer periphery of the second sleeve (4), a lower fixing nut (5) is arranged on the second sleeve (4), the lower fixing nut (5) is in threaded fit with the external thread, an arc-shaped groove (6) is formed in the bottom surface of the second sleeve (4), a circle of annular groove (7) is formed in the second sleeve (4), the top end of the arc-shaped groove (6) is communicated with the inner sleeve (7), the second sleeve (4) is provided with the inner annular groove (7), the inner positioning pin (9) can be inserted into the positioning pin (9) through the arc-shaped pin (8), and the locating pin (9) can move in the annular groove (7), and the sealing cone head (2) can be inserted into the nozzle (8) and seal the nozzle.

2. An asphalt nozzle assembly according to claim 1, wherein: an elastic check ring (12) is arranged between the top end of the first sleeve (3) and the bottom surface of the cylinder body of the spray head cylinder (1), and the elastic check ring (12) is sleeved on the top end of the first sleeve (3).

3. An asphalt nozzle assembly according to claim 1, wherein: the first sleeve (3) and the second sleeve (4) are fixed together in a welding mode.

4. An asphalt nozzle assembly according to claim 1, wherein: through holes are formed in the top surface and the bottom surface of the spray rod, the first sleeve (3) can be inserted into the through holes, and an inlet on the first sleeve (3) is located in the spray rod.

5. An asphalt nozzle assembly according to claim 1, wherein: and a sealing ring is sleeved on the second sleeve (4), and the sealing ring is positioned between the lower fixing nut (5) and the spray rod.