WO2015014165A1 - 一种喷枪喷嘴 - Google Patents

一种喷枪喷嘴 Download PDF

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Publication number
WO2015014165A1
WO2015014165A1 PCT/CN2014/079817 CN2014079817W WO2015014165A1 WO 2015014165 A1 WO2015014165 A1 WO 2015014165A1 CN 2014079817 W CN2014079817 W CN 2014079817W WO 2015014165 A1 WO2015014165 A1 WO 2015014165A1
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WO
WIPO (PCT)
Prior art keywords
nozzle
nozzle head
cylindrical hole
tapered
hole
Prior art date
Application number
PCT/CN2014/079817
Other languages
English (en)
French (fr)
Inventor
魏强
Original Assignee
Wei Qiang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wei Qiang filed Critical Wei Qiang
Publication of WO2015014165A1 publication Critical patent/WO2015014165A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
    • B05B15/18—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for improving resistance to wear, e.g. inserts or coatings; for indicating wear; for handling or replacing worn parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means

Definitions

  • the invention belongs to the technical field of spray gun accessories, and relates to a spray gun nozzle, which is applicable to an upper pot gun, a lower pot gun, a side pot gun or an automatic gun.
  • the spray gun is generally a tool for spraying the spray onto the surface of the device under a certain pressure, including a gun body and a pipe head, and is connected by a connecting mechanism.
  • the gun head includes a nozzle.
  • the nozzles are almost all made of stainless steel. When the spray gun is used for half a year to one year, the nozzle will wear and leak, the spray gun will be damaged, and the entire nozzle needs to be replaced.
  • the nozzle head and the nozzle body can be split and combined, and the high hardness material is used, or the nozzle head and the nozzle body are injection molded, the nozzle body is formed by plastic injection molding or metal die casting, and the nozzle head is made of high hardness material.
  • the invention is directed to the prior art, whether it is a manual spray gun or an automatic spray gun, the nozzle is almost all made of stainless steel material, the spray gun is used for six months to one year, the nozzle will wear and leak, the spray gun is damaged, and the entire nozzle needs to be replaced, and the defect is provided.
  • a spray gun nozzle, the nozzle head and the nozzle body can be disassembled and assembled, and the high hardness material is used, or the nozzle head and the nozzle body are directly injection molded or die-casted, and the nozzle body is formed by plastic injection molding or metal die casting, and the nozzle head is high. Hardness material to prevent wear and leakage, which can greatly extend the life of the gun and reduce costs.
  • a spray gun nozzle includes a nozzle body, and a nozzle head is disposed at one end of the nozzle body, and one end of the nozzle body connected with the nozzle head is a first cylindrical hole, and the nozzle head is disposed in the first cylindrical hole, and the nozzle head is provided with a column shape Spout and first tapered hole.
  • the nozzle head is interference fit with the first cylindrical bore.
  • the nozzle is combined, the nozzle head and the nozzle body can be assembled and disassembled, the nozzle head or the nozzle body can be replaced at any time, the cost is reduced, the processing is facilitated, the processing precision is improved, the disassembly and cleaning is facilitated, and the nozzle head and the nozzle body pass the heat. Press-fit or threaded connection to enhance the firmness and tightness of the nozzle tip when it is connected to the nozzle body.
  • the nozzle tip is injection molded or die casted with the nozzle body.
  • the nozzle is a one-piece structure
  • the nozzle body is plastic injection molding, aluminum die casting or copper die casting
  • the nozzle head is a high hardness material to prolong the service life of the nozzle.
  • the other end of the nozzle body is a second cylindrical hole, and a second tapered hole is disposed between the second cylindrical hole and the first cylindrical hole.
  • the tapered hole acts as a smooth transition, making the spray even, while shrinking the pressurization and increasing the flow rate.
  • the maximum radius of the first tapered bore of the nozzle head of the cylindrical structure is the same as the minimum radius of the second tapered bore.
  • the nozzle head has a columnar structure and closely matches the first cylindrical hole.
  • the nozzle head of the columnar structure is installed in the first cylindrical hole of the nozzle body, which plays a protective role on the nozzle head and can prolong the use of the nozzle head.
  • the life span, the maximum radius of the first tapered hole of the nozzle head is the same as the minimum radius of the second tapered hole, and can be accurately engaged.
  • the other end of the nozzle body is a second cylindrical hole
  • the first cylindrical hole is directly connected to the second cylindrical hole
  • the radius of the first cylindrical hole is larger than the radius of the second cylindrical hole
  • the nozzle head of the tapered structure has a maximum radius that is the same as the first cylindrical hole radius.
  • the first tapered hole has the same maximum radius as the first cylindrical hole and is larger than the second cylindrical hole, thereby increasing the tapered hole, so that the coating material accumulated in the tapered hole is more at the same time, and the spraying speed is the same, spraying More even.
  • the first tapered hole of the nozzle head of the tapered structure is provided with an outer tapered surface, and the outer tapered surface is provided with a platform, and the length of the platform is the same as the length of the first cylindrical hole. Close cooperation to enhance sealing.
  • the nozzle head is a steel material nozzle head or a ceramic material nozzle head.
  • the nozzle head of steel material is steel with Rockwell hardness of HRC50-67 or tungsten steel with hardness of HRC89-93.
  • the nozzle head of ceramic material is ceramic with Rockwell hardness of HRC80-90, high hardness and high wear resistance can be It effectively prevents leakage and greatly prolongs the service life of the nozzle. It is extended from 0.5 to 1 year of the prior art to 7 to 8 years, and is easy to maintain.
  • the nozzle body is provided with a needle.
  • a spray gun nozzle includes a nozzle body, and a nozzle head is arranged at one end of the nozzle body, and one end of the nozzle body connected with the nozzle head is a first cylindrical hole, and the nozzle head is provided In the first cylindrical hole, a cylindrical nozzle and a first tapered hole are arranged in the nozzle head, and the first cylindrical hole of the nozzle head and the nozzle body is thermally pressed, screwed, or the nozzle body and the nozzle head are injection molded.
  • the material of the nozzle head is high hardness steel or high hardness ceramic.
  • the spray gun nozzle of the invention can be disassembled and assembled by the nozzle body and the nozzle head, thereby reducing the processing difficulty, ensuring high precision, making the nozzle more wear-resistant and preventing leakage, and only need to replace the needle when replacing, and the nozzle head can be repeatedly used. More cost-saving, the nozzle head is made of high hardness steel or high hardness ceramic material.
  • the nozzle of the spray gun of the present invention may also be injection molded or die-casted by the nozzle body and the nozzle head.
  • the nozzle body is plastic injection molding, aluminum die casting or copper die casting, and the nozzle head is a high hardness material, and the nozzle is more wear resistant and prevents leakage.
  • the nozzle is an integral structure, the processing is difficult, the precision is insufficient, and only the entire nozzle can be replaced after the damage, the cost is high, the nozzle is easy to wear and leak when used, and the service life of the spray gun is short.
  • Embodiment 1 is a schematic structural view of Embodiment 1 of the present invention.
  • Figure 2 is a schematic view of the assembled structure of Figure 1.
  • Figure 3 is a schematic view showing the structure of Embodiment 2 of the present invention.
  • Figure 4 is a schematic view of the assembled structure of Figure 3.
  • Figure 5 is a schematic view showing the structure of Embodiment 3 and Embodiment 4 of the present invention.
  • Figure 6 is an assembly view of Figure 5 assembled.
  • Figure 7 is a schematic view showing the structure of Embodiment 5 of the present invention.
  • Figure 8 is a schematic view of the assembled structure of Figure 7.
  • Figure 9 is a schematic view showing the structure of Embodiment 6 of the present invention.
  • Figure 10 is a schematic view showing the assembled structure of Figure 9.
  • Figure 11 is a schematic view showing the structure of Embodiment 7 and Embodiment 8 of the present invention.
  • Figure 12 is a schematic view showing the assembled structure of Figure 11.
  • Figure 13 is a schematic view of the structure of the needle.
  • a spray gun nozzle as shown in FIG. 1 and FIG. 2, a nozzle head 2 is disposed at one end of the nozzle body 1, and one end of the nozzle body 1 with the nozzle head 2 is a first cylindrical hole 3, and the nozzle head 2 is disposed at the nozzle body 1.
  • a cylindrical nozzle 6 and a first tapered hole 7 are disposed in the nozzle head 2
  • the other end of the nozzle body 1 is a second cylindrical hole 4
  • the second cylindrical hole 4 and the first cylindrical hole 3 There is a second tapered hole 5 between which the radius of the first cylindrical hole 3 is the same as the minimum radius of the second tapered hole 5, and the radius of the second cylindrical hole 4 is the same as the maximum radius of the second tapered hole 5. .
  • the nozzle head 2 has a columnar structure, and the first tapered hole 7 in the nozzle head 2 of the columnar structure has the same maximum radius as the second tapered hole 5, and the nozzle head 2 and the first cylindrical hole 3 of the columnar structure Add an interference fit by heat.
  • the material of the nozzle head 2 and the needle 8 is steel having a Rockwell hardness of HRC50.
  • a spray gun nozzle as shown in FIGS. 3 and 4, is provided with a nozzle head 2 at one end of the nozzle body 1, and one end of the nozzle body 2 with the nozzle head 2 is a first cylindrical hole 3, and the nozzle head 2 is disposed at the nozzle body 1.
  • a cylindrical nozzle 6 and a first tapered hole 7 are disposed in the nozzle head 2
  • the other end of the nozzle body 1 is a second cylindrical hole 4
  • the second cylindrical hole 4 and the first cylindrical hole 3 There is a second tapered hole 5 between which the radius of the first cylindrical hole 3 is the same as the minimum radius of the second tapered hole 5, and the radius of the second cylindrical hole 4 is the same as the maximum radius of the second tapered hole 5. .
  • the nozzle head 2 has a columnar structure, and the first radius of the first tapered hole 7 in the nozzle head 2 of the columnar structure is the same as the minimum radius of the second tapered hole 5, and the nozzle head 2 of the columnar structure is provided with an external thread, and A cylindrical hole 3 with internal threads is threaded.
  • the material of the nozzle head 2 and the needle 8 is tungsten steel having a Rockwell hardness of HRC89.
  • a spray gun nozzle as shown in FIGS. 5 and 6, the nozzle body 1 is provided with a detachable nozzle head 2 at one end thereof, and one end of the nozzle body 1 with the nozzle head 2 is a first cylindrical hole 3, and the nozzle 2 is disposed at the nozzle
  • the nozzle head 2 is provided with a cylindrical nozzle 6 and a first tapered hole 7, and the other end of the nozzle body 1 is a second cylindrical hole 4, and the second cylindrical hole 4 and the first column
  • a second tapered hole 5 is provided between the shaped holes 3, the radius of the first cylindrical hole 3 is the same as the minimum radius of the second tapered hole 5, and the radius of the second cylindrical hole 4 is different from that of the second tapered hole 5.
  • the maximum radius is the same.
  • the nozzle head 2 has a columnar structure.
  • the maximum radius of the first tapered hole 7 in the nozzle head 2 of the columnar structure is the same as the minimum radius of the second tapered hole 5.
  • the nozzle head 2 of the columnar structure and the nozzle body 1 pass through the notch 21 Adding, injection molding.
  • the nozzle body 1 is plastic injection molded, and the material of the nozzle head 2 and the needle 8 is steel having a Rockwell hardness of HRC55.
  • a spray gun nozzle as shown in FIGS. 5 and 6, a nozzle head 2 is disposed at one end of the nozzle body 1, and one end of the nozzle body 1 with the nozzle head 2 is a first cylindrical hole 3, and the nozzle head 2 is disposed at the nozzle body 1.
  • a cylindrical nozzle 6 and a first tapered hole 7 are disposed in the nozzle head 2, and the other end of the nozzle body 1 is a second cylindrical hole 4, and the second cylindrical hole 4 and the first cylindrical shape
  • a second tapered hole 5 is defined between the holes 3, the radius of the first cylindrical hole 3 is the same as the minimum radius of the second tapered hole 5, and the radius of the second cylindrical hole 4 is the largest of the second tapered hole 5. The radius is the same.
  • the nozzle head 2 has a columnar structure.
  • the maximum radius of the first tapered hole 7 in the nozzle head 2 of the columnar structure is the same as the minimum radius of the second tapered hole 5.
  • the nozzle head 2 of the columnar structure and the nozzle body 1 pass through the notch 21 Feeding, die casting.
  • the nozzle body 1 is aluminum die-cast, and the material of the nozzle head 2 and the needle 8 is steel having a Rockwell hardness of HRC67.
  • a spray gun nozzle as shown in FIGS. 7 and 8, a nozzle head 2 is disposed at one end of the nozzle body 1, and one end of the nozzle body 1 with the nozzle head 2 is a first cylindrical hole 3, and the nozzle head 2 is disposed at the nozzle body 1.
  • a cylindrical nozzle 6 and a first tapered hole 7 are disposed in the nozzle head 2
  • the other end of the nozzle body 1 is a second cylindrical hole 4, a first cylindrical hole 3 and a second cylindrical shape.
  • the holes 4 are directly connected, and the radius of the first cylindrical hole 3 is larger than the radius of the second cylindrical hole 4.
  • the nozzle head 2 has a tapered structure.
  • the maximum radius of the first tapered hole 7 in the nozzle head 2 of the tapered structure is the same as the radius of the first cylindrical hole 3.
  • the first tapered hole 7 is provided with an outer tapered surface 71.
  • the tapered surface 71 is provided with a platform 711 having the same length as the first cylindrical hole 3, and the platform 711 and the first cylindrical hole 3 are subjected to an interference fit by heat.
  • the material of the nozzle head 2 and the needle 8 is tungsten steel having a Rockwell hardness of HRC93.
  • a spray gun nozzle as shown in FIGS. 9 and 10, a nozzle head 2 is disposed at one end of the nozzle body 1, and one end of the nozzle body 1 with the nozzle head 2 is a first cylindrical hole 3, and the nozzle head 2 is disposed at the nozzle body 1.
  • a cylindrical nozzle 6 and a first tapered hole 7 are disposed in the nozzle head 2
  • the other end of the nozzle body 1 is a second cylindrical hole 4, and the first cylindrical hole 3 and the second cylindrical shape
  • the holes 4 are directly connected, and the radius of the first cylindrical hole 3 is larger than the radius of the second cylindrical hole 4.
  • the nozzle head 2 has a tapered structure.
  • the maximum radius of the first tapered hole 7 in the nozzle head 2 of the tapered structure is the same as the radius of the first cylindrical hole 3.
  • the first tapered hole 7 is provided with an outer tapered surface 71.
  • the tapered surface 71 is provided with a platform 711 having the same length as the cylindrical hole 3.
  • the platform 711 is provided with an external thread and is screwed to the first cylindrical hole 3 provided with an internal thread.
  • the material of the nozzle head 2 and the needle 8 are ceramics having a Rockwell hardness of HRC90.
  • a spray gun nozzle as shown in FIGS. 11 and 12, a nozzle head 2 is disposed at one end of the nozzle body 1, and one end of the nozzle body 1 with the nozzle head 2 is a first cylindrical hole 3, and the nozzle head 2 is disposed at the nozzle body 1.
  • a cylindrical nozzle 6 and a first tapered hole 7 are disposed in the nozzle head 2
  • the other end of the nozzle body 1 is a second cylindrical hole 4, a first cylindrical hole 3 and a second cylindrical shape.
  • the holes 4 are directly connected, and the radius of the first cylindrical hole 3 is larger than the radius of the second cylindrical hole 4.
  • the nozzle head 2 has a tapered structure, and the nozzle head 2 has a tapered structure.
  • the maximum radius of the first tapered hole 7 in the nozzle head 2 of the tapered structure is the same as the radius of the first cylindrical hole 3, and the first tapered hole 7
  • the outer tapered surface 71 is provided with a platform 711.
  • the length of the platform 711 is the same as the length of the first cylindrical hole 3.
  • the nozzle body 1 is plastic injection molded, and the material of the nozzle head 2 and the needle 8 is a ceramic having a Rockwell hardness of HRC80.
  • a spray gun nozzle as shown in FIGS. 11 and 12, a nozzle head 2 is disposed at one end of the nozzle body 1, and one end of the nozzle body 1 with the nozzle head 2 is a first cylindrical hole 3, and the nozzle head 2 is disposed at the nozzle body 1.
  • a cylindrical nozzle 6 and a first tapered hole 7 are disposed in the nozzle head 2
  • the other end of the nozzle body 1 is a second cylindrical hole 4, a first cylindrical hole 3 and a second cylindrical shape.
  • the holes 4 are directly connected, and the radius of the first cylindrical hole 3 is larger than the radius of the second cylindrical hole 4.
  • the nozzle head 2 has a tapered structure, and the nozzle head 2 has a tapered structure.
  • the maximum radius of the first tapered hole 7 in the nozzle head 2 of the tapered structure is the same as the radius of the first cylindrical hole 3, and the first tapered hole 7
  • An outer tapered surface 71 is provided, and the outer tapered surface 71 is provided with a platform 711.
  • the length of the platform 711 is the same as the length of the first cylindrical hole 3.
  • the nozzle body 1 is made of copper die-casting, and the material of the nozzle head 2 and the needle 8 is a ceramic having a Rockwell hardness of HRC85.

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Abstract

一种喷枪喷嘴，喷嘴主体（1）一端设有喷嘴头（2），喷嘴主体（1）连有喷嘴头（2）的一端为第一柱形孔（3），喷嘴头（2）设于第一柱形孔内（3），喷嘴头（2）内设有柱形喷口（6）和第一锥形孔（7），喷嘴头（2）与喷嘴主体（1）的第一柱形孔（3）过盈配合，或者喷嘴头（2）与喷嘴主体（1）通过塑料注塑成型或者压铸成型，喷嘴头（2）的材料为高硬度钢或者高硬度陶瓷。喷嘴头（2）与喷嘴主体（1）可拆分组装，并采用高硬度材料，克服了现有技术喷嘴容易磨损泄漏，喷枪损坏，整个喷嘴都需要进行更换的缺陷。

Description

一种喷枪喷嘴 技术领域
本发明属于喷枪配件技术领域，涉及一种喷枪喷嘴，上壶枪、下壶枪、侧壶枪或自动枪均适用。
 背景技术
喷枪一般是通过在一定压力下将喷料喷涂到器件表面的工具，包含枪身、枪头，通过一连接机构连接，枪头包含一个喷嘴，现有技术中，无论是手动喷枪还是自动喷枪，喷嘴几乎都是采用不锈钢材料，喷枪使用半年到一年，喷嘴就会磨损泄漏，喷枪损坏，整个喷嘴都需要进行更换。如果能有一种喷嘴，喷嘴头和喷嘴主体可以拆分和组合，并且采用高硬度材料，或者喷嘴头和喷嘴主体采用注塑成型，喷嘴主体采用塑料注塑或者金属压铸成型，喷嘴头采用高硬度材料，从而防止磨损和泄漏，大大延长喷枪的使用寿命，降低成本，结构简单，利于加工，组装方便，在喷枪配件技术领域中将是一个革命性的创新。
 技术问题
本发明针对现有技术中，无论是手动喷枪还是自动喷枪，喷嘴几乎都是采用不锈钢材料，喷枪使用半年到一年，喷嘴就会磨损泄漏，喷枪损坏，整个喷嘴都需要进行更换的缺陷，提供了一种喷枪喷嘴，喷嘴头和喷嘴主体可拆分和组装，并且采用高硬度材料，或者喷嘴头和喷嘴主体直接注塑成型或者压铸成型，喷嘴主体采用塑料注塑或者金属压铸成型，喷嘴头采用高硬度材料，防止磨损和泄漏，从而可大大延长喷枪的使用寿命，降低成本。
 技术解决方案
为了解决上述技术问题，本发明通过下述技术方案得以解决：
一种喷枪喷嘴，包括喷嘴主体，喷嘴主体一端设有喷嘴头，喷嘴主体连有喷嘴头的一端为第一柱形孔，喷嘴头设于第一柱形孔内，喷嘴头内设有柱形喷口和第一锥形孔。
作为优选，喷嘴头与第一柱形孔过盈配合。喷嘴为组合式，喷嘴头和喷嘴主体能够组装和拆开，可以随时更换喷嘴头或者喷嘴主体，降低成本，同时利于加工，提高了加工精度，方便拆装和清洗，喷嘴头和喷嘴主体通过热压入或者螺纹连接，增强喷嘴头与喷嘴主体连接时的牢固性和密封性。
作为优选，喷嘴头与喷嘴主体注塑成型或者压铸成型。喷嘴为一体式结构，喷嘴主体为塑料注塑，铝压铸或者铜压铸，喷嘴头为高硬度材料，延长喷嘴的使用寿命。
作为优选，喷嘴主体另一端为第二柱形孔，第二柱形孔与第一柱形孔之间设有第二锥形孔。锥形孔起到了一个过渡平缓的作用，使得喷涂均匀，同时可收缩加压，提高流速。
作为优选，柱状形结构的喷嘴头的第一锥形孔的最大半径与第二锥形孔最小半径与相同。喷嘴头为柱状形结构，与第一柱形孔密切吻合，柱状形结构的喷嘴头安装于喷嘴主体的第一柱形孔内，对喷嘴头起到了一个保护的作用，可延长喷嘴头的使用寿命，喷嘴头的第一锥形孔的最大半径与第二锥形孔最小半径与相同，可精准的衔接。
作为优选，喷嘴主体另一端为第二柱形孔，第一柱形孔与第二柱形孔直接相连，第一柱形孔的半径大于第二柱形孔的半径，锥形结构的喷嘴头的第一锥形孔的最大半径与第一柱形孔半径相同。第一锥形孔最大半径与第一柱形孔相同并且大于第二柱形孔，从而增大锥形孔，使得在同一时间内堆积在锥形孔的涂料较多，喷涂的速度相同，喷涂更加均匀。
作为优选，锥形结构的喷嘴头的第一锥形孔设有外锥面，外锥面上设有平台，平台的长度与第一柱形孔长度相同。密切配合，增强密封性。
作为优选，喷嘴头为钢制材料喷嘴头或陶瓷材料喷嘴头。钢制材料的喷嘴头为洛氏硬度为HRC50～67的钢或者硬度为HRC89～93的钨钢，陶瓷材料的喷嘴头为洛氏硬度为HRC80～90的陶瓷，高硬度和高耐磨性可以有效防止泄漏，大大延长喷嘴的使用寿命，从现有技术的0.5～1年延长到7～8年，维护方便。
作为优选，喷嘴主体内装有枪针。
 有益效果
本发明由于采用了以上技术方案，具有显著的技术效果：一种喷枪喷嘴，包括喷嘴主体，喷嘴主体一端设有喷嘴头，喷嘴主体连有喷嘴头的一端为第一柱形孔，喷嘴头设于第一柱形孔内，喷嘴头内设有柱形喷口和第一锥形孔，喷嘴头与喷嘴主体的第一柱形孔通过热压入、螺纹连接，或者喷嘴主体和喷嘴头通过注塑成型或者压铸成型，喷嘴头的材料为高硬度钢或者高硬度陶瓷。本发明中的喷枪喷嘴，喷嘴主体和喷嘴头可拆分组装，降低了加工难度，同时保证高精度，使喷嘴更加耐磨，防止泄露，更换时也只需要更换枪针，喷嘴头可以重复使用，更加节省成本，喷嘴头采用高硬度钢或者高硬度陶瓷材料。本发明中的喷枪喷嘴也可以是喷嘴主体和喷嘴头注塑成型或者压铸成型，喷嘴主体为塑料注塑，铝压铸或者铜压铸，喷嘴头为高硬度材料，喷嘴更加耐磨，防止泄露。解决了现有技术中，喷嘴是一体结构，加工难度大，精度不足，损坏后只能整个喷嘴更换，成本高，喷嘴使用时容易磨损而产生泄漏，喷枪的使用寿命较短等问题。
 附图说明
图1是本发明实施例1结构示意图。
图2是图1组装结构示意图。
图3是本发明实施例2结构示意图。
图4是图3组装结构示意图。
图5是本发明实施例3和实施例4结构示意图。
图6是图5组装示结构意图。
图7是本发明实施例5结构示意图。
图8是图7组装结构示意图。
图9是本发明实施例6结构示意图。
图10是图9组装结构示意图。
图11是本发明实施例7和实施例8结构示意图。
图12是图11组装结构示意图。
图13是枪针结构示意图。
附图中各数字标号所指代的部位名称如下：1—喷嘴主体、2—喷嘴头、3—第一柱形孔、4—第二柱形孔、5—第二椎形孔、6—柱形喷口、7—第一椎形孔、8—枪针、21—缺口、71—外锥面、711—平台。
 本发明的实施方式
下面结合附图与实施例对本发明作进一步详细描述。
实施例1
一种喷枪喷嘴，如图1、2所示，喷嘴主体1一端设有喷嘴头2，喷嘴主体1连有喷嘴头2的一端为第一柱形孔3，喷嘴头2设于喷嘴主体1的柱形孔3内，喷嘴头2内设有柱形喷口6和第一锥形孔7，喷嘴主体1另一端为第二柱形孔4，第二柱形孔4与第一柱形孔3之间设有第二锥形孔5，第一柱形孔3的半径与第二锥形孔5的最小半径相同，第二柱形孔4的半径与第二锥形孔5的最大半径相同。喷嘴头2为柱状形结构，柱状形结构的喷嘴头2内的第一锥形孔7最大半径与第二锥形孔5最小半径相同，柱状形结构的喷嘴头2与第一柱形孔3通过热加入过盈配合。
喷嘴头2和枪针8的材料均为洛氏硬度为HRC50的钢。
实施例2
一种喷枪喷嘴，如图3、4所示，喷嘴主体1一端设有喷嘴头2，喷嘴主体1连有喷嘴头2的一端为第一柱形孔3，喷嘴头2设于喷嘴主体1的柱形孔3内，喷嘴头2内设有柱形喷口6和第一锥形孔7，喷嘴主体1另一端为第二柱形孔4，第二柱形孔4与第一柱形孔3之间设有第二锥形孔5，第一柱形孔3的半径与第二锥形孔5的最小半径相同，第二柱形孔4的半径与第二锥形孔5的最大半径相同。喷嘴头2为柱状形结构，柱状形结构的喷嘴头2内的第一锥形孔7最大半径与第二锥形孔5最小半径相同，柱状形结构的喷嘴头2外设有外螺纹，与设有内螺纹的柱形孔3螺纹连接。
喷嘴头2和枪针8的材料均为洛氏硬度为HRC89的钨钢。
实施例3
一种喷枪喷嘴，如图5、6所示，喷嘴主体1一端设有可拆装的喷嘴头2，喷嘴主体1连有喷嘴头2的一端为第一柱形孔3，喷嘴2设于喷嘴主体1的柱形孔3内，喷嘴头2内设有柱形喷口6和第一锥形孔7，喷嘴主体1另一端为第二柱形孔4，第二柱形孔4与第一柱形孔3之间设有第二锥形孔5，第一柱形孔3的半径与第二锥形孔5的最小半径相同，第二柱形孔4的半径与第二锥形孔5的最大半径相同。喷嘴头2为柱状形结构，柱状形结构的喷嘴头2内的第一锥形孔7最大半径与第二锥形孔5最小半径相同，柱状形结构的喷嘴头2与喷嘴主体1通过缺口21加料，注塑成型。
喷嘴主体1为塑料注塑，喷嘴头2和枪针8的材料均为洛氏硬度为HRC55的钢。
实施例4
一种喷枪喷嘴，如图5、6所示，喷嘴主体1一端设有喷嘴头2，喷嘴主体1连有喷嘴头2的一端为第一柱形孔3，喷嘴头2设于喷嘴主体1的第一柱形孔3内，喷嘴头2内设有柱形喷口6和第一锥形孔7，喷嘴主体1另一端为第二柱形孔4，第二柱形孔4与第一柱形孔3之间设有第二锥形孔5，第一柱形孔3的半径与第二锥形孔5的最小半径相同，第二柱形孔4的半径与第二锥形孔5的最大半径相同。喷嘴头2为柱状形结构，柱状形结构的喷嘴头2内的第一锥形孔7最大半径与第二锥形孔5最小半径相同，柱状形结构的喷嘴头2与喷嘴主体1通过缺口21加料，压铸成型。
喷嘴主体1为铝压铸，喷嘴头2和枪针8的材料均为洛氏硬度为HRC67的钢。
实施例5
一种喷枪喷嘴，如图7、8所示，喷嘴主体1一端设有喷嘴头2，喷嘴主体1连有喷嘴头2的一端为第一柱形孔3，喷嘴头2设于喷嘴主体1的第一柱形孔3内，喷嘴头2内设有柱形喷口6和第一锥形孔7，喷嘴主体1另一端为第二柱形孔4，第一柱形孔3与第二柱形孔4直接相连，第一柱形孔3的半径大于第二柱形孔4的半径。喷嘴头2为锥形结构，锥形结构的喷嘴头2内的第一锥形孔7的最大半径与第一柱形孔3半径相同，第一锥形孔7设有外锥面71，外锥面上71设有平台711，平台711的长度与第一柱形孔3长度相同，平台711与第一柱形孔3通过热加入过盈配合。
喷嘴头2和枪针8的材料均为洛氏硬度为HRC93的钨钢。
实施例6
一种喷枪喷嘴，如图9、10所示，喷嘴主体1一端设有喷嘴头2，喷嘴主体1连有喷嘴头2的一端为第一柱形孔3，喷嘴头2设于喷嘴主体1的第一柱形孔3内，喷嘴头2内设有柱形喷口6和第一锥形孔7，喷嘴主体1另一端为第二柱形孔4，第一柱形孔3与第二圆柱形孔4直接相连，第一柱形孔3的半径大于第二柱形孔4的半径。喷嘴头2为锥形结构，锥形结构的喷嘴头2内的第一锥形孔7的最大半径与第一柱形孔3半径相同，第一锥形孔7设有外锥面71，外锥面上71设有平台711，平台711的长度与柱形孔3长度相同，平台711上设有外螺纹，与设有内螺纹的第一柱形孔3螺纹连接。
喷嘴头2和枪针8的材料均为洛氏硬度为HRC90的陶瓷。
实施例7
一种喷枪喷嘴，如图11、12所示，喷嘴主体1一端设有喷嘴头2，喷嘴主体1连有喷嘴头2的一端为第一柱形孔3，喷嘴头2设于喷嘴主体1的第一柱形孔3内，喷嘴头2内设有柱形喷口6和第一锥形孔7，喷嘴主体1另一端为第二柱形孔4，第一柱形孔3与第二柱形孔4直接相连，第一柱形孔3的半径大于第二柱形孔4的半径。喷嘴头2为锥形结构，喷嘴头2为锥形结构，锥形结构的喷嘴头2内的第一锥形孔7的最大半径与第一柱形孔3半径相同，第一锥形孔7设有外锥面71，外锥面上71设有平台711，平台711的长度与第一柱形孔3长度相同，喷嘴头2与喷嘴主体1通过缺口21加料，注塑成型。
喷嘴主体1为塑料注塑，喷嘴头2和枪针8的材料均为洛氏硬度为HRC80的陶瓷。
实施例8
一种喷枪喷嘴，如图11、12所示，喷嘴主体1一端设有喷嘴头2，喷嘴主体1连有喷嘴头2的一端为第一柱形孔3，喷嘴头2设于喷嘴主体1的第一柱形孔3内，喷嘴头2内设有柱形喷口6和第一锥形孔7，喷嘴主体1另一端为第二柱形孔4，第一柱形孔3与第二柱形孔4直接相连，第一柱形孔3的半径大于第二柱形孔4的半径。喷嘴头2为锥形结构，喷嘴头2为锥形结构，锥形结构的喷嘴头2内的第一锥形孔7的最大半径与第一柱形孔3半径相同，第一锥形孔7设有外锥面71，外锥面上71设有平台711，平台711的长度与第一柱形孔3长度相同，喷嘴头2与喷嘴主体1通过缺口21加料，压铸成型。
喷嘴主体1为铜压铸，喷嘴头2和枪针8的材料均为洛氏硬度为HRC85的陶瓷。
总之，以上所述仅为本发明的较佳实施例，凡依本发明申请专利范围所作的均等变化与修饰，皆应属本发明专利的涵盖范围。

Claims (10)

  1. 一种喷枪喷嘴，包括喷嘴主体（1），其特征在于：喷嘴主体（1）一端设有喷嘴头（2），喷嘴主体（1）连有喷嘴头（2）的一端为第一柱形孔（3），喷嘴头（2）设于第一柱形孔（3）内，喷嘴头（2）内设有柱形喷口（6）和第一锥形孔（7）。
  2. 根据权利要求1所述一种喷枪喷嘴，其特征在于：喷嘴头（2）为柱状形结构，与第一柱形孔（3）密切吻合，或者喷嘴头（2）为锥形结构，与第一柱形孔（3）密切吻合。
  3. 根据权利要求1所述一种喷枪喷嘴，其特征在于：喷嘴头（2）与第一柱形孔（3）过盈配合。
  4. 根据权利要求1所述一种喷枪喷嘴，其特征在于：喷嘴头（2）与喷嘴主体（1）注塑成型或者压铸成型。
  5. 根据权利要求1或2所述一种喷枪喷嘴，其特征在于：喷嘴主体（1）另一端为第二柱形孔（4），第二柱形孔（4）与第一柱形孔（3）之间设有第二锥形孔（5），第一柱形孔（3）的半径与第二锥形孔（5）的最小半径相同，第二柱形孔（4）的半径与第二锥形孔（5）的最大半径相同。
  6. 根据权利要5所述一种喷枪喷嘴，其特征在于：柱状形结构的喷嘴头（2）的第一锥形孔（7）的最大半径与第二锥形孔（5）最小半径与相同。
  7. 根据权利要求1或2所述一种喷枪喷嘴，其特征在于：喷嘴主体（1）另一端为第二柱形孔（4），第一柱形孔（3）与第二柱形孔（4）直接相连，第一柱形孔（3）的半径大于第一柱形孔（4）的半径。
  8. 根据权利要求7所述一种喷枪喷嘴，其特征在于：锥形结构的喷嘴头（2）的第一锥形孔（7）的最大半径与第一柱形孔（3）半径相同。
  9. 根据权利要求8所述一种喷枪喷嘴，其特征在于：第一锥形孔（7）设有外锥面（71），外锥面上（71）设有平台（711），平台（711）的长度与第一柱形孔（3）长度相同，密切配合。
  10. 根据权利要求1所述一种喷枪喷嘴，其特征在于：喷嘴头（2）为钢制材料喷嘴头或陶瓷材料喷嘴头，钢制材料的喷嘴头（2）为洛氏硬度为HRC50～67的钢或者硬度为HRC89～93的钨钢，陶瓷材料的喷嘴头（2）为洛氏硬度为HRC80～90的陶瓷。
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