CN221097430U - Sealing seat for high-pressure airless spray gun - Google Patents
Sealing seat for high-pressure airless spray gun Download PDFInfo
- Publication number
- CN221097430U CN221097430U CN202322953174.7U CN202322953174U CN221097430U CN 221097430 U CN221097430 U CN 221097430U CN 202322953174 U CN202322953174 U CN 202322953174U CN 221097430 U CN221097430 U CN 221097430U
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- Prior art keywords
- sealing
- pressure airless
- groove
- annular groove
- spray gun
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- 238000007789 sealing Methods 0.000 title claims abstract description 82
- 239000007921 spray Substances 0.000 title claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000000670 limiting effect Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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Abstract
The utility model provides a sealing seat for a high-pressure airless spray gun, and belongs to the technical field of spray guns. The sealing seat solves the problem that the sealing performance of the sealing seat for the existing high-pressure airless spray gun is not ideal enough. The sealing seat for the high-pressure airless spray gun comprises a cylindrical body, wherein the body is provided with an overflow hole which is coaxially arranged and communicated with the body, the outer end face of the body is a concave arc-shaped surface I, an annular sealing ring is sleeved at the inner end of the body, a sealing piece is fixedly connected with the outer end of the body, the sealing piece is provided with a protruding part protruding out of the arc-shaped surface I, the protruding part is provided with an arc-shaped surface II which is consistent with the concave position and the radian of the arc-shaped surface I, and the protruding part is axially communicated with a communication hole which is communicated with the overflow hole. The utility model has the advantages of good sealing performance, capability of ensuring the injection quality and the like.
Description
Technical Field
The utility model belongs to the technical field of spray guns, relates to a fitting for a high-pressure airless spray gun, and particularly relates to a sealing seat for the high-pressure airless spray gun.
Background
The high-pressure airless gun is a device for spraying high-pressure fluid from a nozzle, so that the tightness between the nozzle and a gun body of the high-pressure airless gun is particularly important, and the high-pressure airless gun is sealed through a sealing seat at present.
For example, chinese patent literature discloses a sealing structure for a high pressure spray gun [ application number: 201621283877.7; authorized bulletin number: CN206262724U, it includes the rifle body, locate the nozzle of rifle body front end and the outer nozzle cap of cover locating the nozzle, nozzle cap overcoat is equipped with the nozzle holder, nozzle cap one side is equipped with sealed pad, sealed pad is located the nozzle holder, sealed pad is hugged closely with nozzle holder inner wall, nozzle cap middle part position is equipped with a through-hole, sealed pad is equipped with the perforation corresponding with the through-hole position, the perforation inner wall is equipped with round annular amplification groove, the width of annular amplification groove is gradually progressively increased from the tank bottom towards the notch direction.
According to the sealing structure of the high-pressure spray gun, the sealing performance between the nozzle cap and the wall body is improved through the expansion of the sealing gasket, medium leakage is avoided, but the front end of the nozzle cap is bonded with the outer wall of the nozzle through the cambered surface to achieve hard sealing, the sealing effect is not ideal enough, and high-pressure fluid in the use process can leak from the position between the nozzle cap and the nozzle to influence the injection quality.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a sealing seat for a high-pressure airless spray gun, which has good sealing performance.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a sealing seat for high pressure airless spray gun, is including being cylindric body, the body have with its coaxial setting and link up the overflow hole, the outer terminal surface of body be concave arcwall face one, the inner cover of body is equipped with and is annular sealing ring, its characterized in that, the outer fixedly connected with sealing member of body, sealing member have the bulge that protrudes in arcwall face one, the bulge have with arcwall face one concave position and radian unanimous arcwall face two, the bulge axial link up have with overflow the intercommunicating pore that the hole is linked together.
In the sealing seat for the high-pressure airless spray gun, a circle of annular grooves which are coaxially arranged with the overflow holes are formed in the arc-shaped surface, and the sealing piece is embedded in the annular grooves.
In the sealing seat for the high-pressure airless gun, at least one groove wall of the annular groove is provided with a circle of concave limiting groove, and the sealing piece is provided with a filling part filled in the limiting groove.
In another aspect, in the sealing seat for a high-pressure airless gun, the sealing member is wrapped at the outer end of the body, the outer wall of the outer end of the body is provided with the first annular groove, the sealing member is provided with the first connecting portion filled in the first annular groove, the inner wall of the overflow hole is provided with the second annular groove, the sealing member is provided with the second connecting portion filled in the second annular groove, and the inner diameter of the second connecting portion is smaller than or equal to the inner diameter of the overflow hole.
In the sealing seat for the high-pressure airless spray gun, the sealing ring is sleeved outside the inner end of the body, the outer wall of the inner end of the body is provided with a circle of annular groove, and the sealing ring is provided with a blocking shoulder embedded in the groove.
In the seal seat for a high-pressure airless gun, the seal ring has an axially extending portion, and an end portion of the extending portion has a tapered surface.
Compared with the prior art, the sealing seat for the high-pressure airless spray gun realizes soft sealing of the inner end and the outer end of the body through the arrangement of the sealing ring and the sealing piece, has good sealing effect, avoids high-pressure fluid leakage, and ensures the spraying quality.
Drawings
Fig. 1 is a perspective view of a seal holder for a high-pressure airless gun.
Fig. 2 is a structural cross-sectional view of the seal holder for the high-pressure airless gun.
Fig. 3 is a sectional view showing the structure of the seal holder for a high-pressure airless gun according to example 2.
In the figure, 1, a body; 2. an overflow hole; 3. an arc-shaped surface I; 4. a seal ring; 5. a seal; 6. a protruding portion; 7. arc-shaped surface II; 8. a communication hole; 9. a filling part; 10. a first connecting part; 11. a second connecting part; 12. a shoulder; 13. an extension; 14. and (5) a conical surface.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1 and 2, the sealing seat for the high-pressure airless spray gun comprises a cylindrical body 1, wherein the body 1 is provided with an overflow hole 2 coaxially arranged and communicated with the body 1, the outer end surface of the body 1 is a concave arc surface I3, the inner end of the body 1 is sleeved with an annular sealing ring 4, the outer end of the body 1 is fixedly connected with a sealing piece 5, the sealing piece 5 is provided with a protruding part 6 protruding out of the arc surface I3, the protruding part 6 is provided with an arc surface II 7 consistent with the concave position and radian of the arc surface I3, and the protruding part 6 is axially communicated with a communication hole 8 communicated with the overflow hole 2.
When the sealing seat for the high-pressure airless spray gun is used, high-pressure fluid is sprayed from the spray nozzle through the overflow hole 2 and the communication hole 8, the sealing ring 4 at the inner end of the body 1 is connected with the gun body of the spray gun, the tightness is ensured, the spray nozzle is connected with the outer end of the body 1, because the protruding part 6 protrudes out of the first arc-shaped surface 3, the second arc-shaped surface 7 is attached to the outer wall of the spray nozzle, so that soft sealing is realized, the first arc-shaped surface 3 is prevented from interfering, the supporting and limiting effects are realized, the tightness between the outer end of the body 1 and the spray nozzle is ensured, leakage is avoided, and the spraying quality is ensured.
Further, in this embodiment, the first arc surface 3 is provided with a ring groove coaxially arranged with the overflow hole 2, and the sealing member 5 is embedded in the ring groove. The sealing element 5 is firmly connected with the body 1, and the sealing element 5 is connected with the body 1 into a whole through injection molding during actual manufacturing, so that the manufacturing is convenient.
At least one groove wall of the annular groove is provided with a circle of concave limiting groove, and the sealing piece 5 is provided with a filling part 9 filled in the limiting groove. The firmness of the connection between the sealing element 5 and the body 1 is improved, the sealing element 5 is prevented from being separated from the body 1, and the outer groove wall of the annular groove in the embodiment is provided with a circle of concave limiting groove.
The sealing ring 4 is sleeved at the inner end of the body 1, the outer wall of the inner end of the body 1 is provided with a circle of annular groove, the sealing ring 4 is provided with a stop shoulder 12 embedded in the groove, the sealing ring 4 is firmly connected with the body 1, and the sealing ring 4 is formed at the inner end of the body 1 through injection molding in actual manufacturing. The sealing ring 4 is provided with an extending part 13 extending axially, the end part of the extending part 13 is provided with a conical surface 14, the extending part 13 ensures the connecting effect of the sealing ring 4, the conical surface 14 plays a role in sealing the conical surface 14, the sealing performance of the sealing ring 4 is improved, and leakage is further avoided.
Example 2
As shown in fig. 3, the structure and principle of this embodiment are basically the same as those of embodiment 1, except that in this embodiment, the sealing member 5 is wrapped around the outer end of the body 1, the outer wall of the outer end of the body 1 has a first annular groove, the sealing member 5 has a first connecting portion 10 filled in the first annular groove, the inner wall of the flow-through hole 2 has a second annular groove, the sealing member 5 has a second connecting portion 11 filled in the second annular groove, and the inner diameter of the second connecting portion 11 is smaller than or equal to the inner diameter of the flow-through hole 2. The sealing element 5 is fixedly connected with the sealing element 5 through injection molding, the first annular groove and the second annular groove enable the connection firmness of the sealing element 5 and the body 1 to be good, the inner diameter of the second connecting part 11 is smaller than or equal to the inner diameter of the overflow hole 2, the second connecting part 11 cannot be inwards protruded to influence the high-pressure fluid to pass, and the injection quality is guaranteed. In this embodiment, the second connecting portion 11 has an inner diameter equal to the inner diameter of the overflow hole 2.
What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a sealing seat for high pressure airless spray gun, is including being cylindric body (1), body (1) have with its coaxial setting and link up cross discharge orifice (2), the outer terminal surface of body (1) be concave arcwall face one (3), the inner cover of body (1) is equipped with and is annular sealing ring (4), its characterized in that, the outer end of body (1) fixedly connected with sealing member (5), sealing member (5) have protrusion (6) in arcwall face one (3), protrusion (6) have with arcwall face one (3) concave position and arc unanimous arcwall face two (7), protrusion (6) axial link up have with cross discharge orifice (2) be linked together intercommunicating pore (8).
2. The sealing seat for the high-pressure airless spray gun according to claim 1, wherein the arc-shaped surface I (3) is provided with a circle of annular grooves coaxially arranged with the overflow holes (2), and the sealing piece (5) is embedded in the annular grooves.
3. A seal holder for a high pressure airless gun according to claim 2, wherein at least one groove wall of the annular groove has a recessed limit groove, and the seal member (5) has a filling portion (9) filled in the limit groove.
4. The sealing seat for the high-pressure airless gun according to claim 1, wherein the sealing member (5) is coated at the outer end of the body (1), the outer wall of the outer end of the body (1) is provided with a first annular groove, the sealing member (5) is provided with a first connecting part (10) filled in the first annular groove, the inner wall of the overflow hole (2) is provided with a second annular groove, the sealing member (5) is provided with a second connecting part (11) filled in the second annular groove, and the inner diameter of the second connecting part (11) is smaller than or equal to the inner diameter of the overflow hole (2).
5. The sealing seat for the high-pressure airless gun according to claim 1, 2, 3 or 4, wherein the sealing ring (4) is sleeved outside the inner end of the body (1), the outer wall of the inner end of the body (1) is provided with a circle of annular groove, and the sealing ring (4) is provided with a blocking shoulder (12) embedded in the groove.
6. The seal holder for a high-pressure airless gun according to claim 5, wherein the seal ring (4) has an axially extending extension (13), and an end of the extension (13) has a tapered surface (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322953174.7U CN221097430U (en) | 2023-11-02 | 2023-11-02 | Sealing seat for high-pressure airless spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322953174.7U CN221097430U (en) | 2023-11-02 | 2023-11-02 | Sealing seat for high-pressure airless spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097430U true CN221097430U (en) | 2024-06-07 |
Family
ID=91304900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322953174.7U Active CN221097430U (en) | 2023-11-02 | 2023-11-02 | Sealing seat for high-pressure airless spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097430U (en) |
-
2023
- 2023-11-02 CN CN202322953174.7U patent/CN221097430U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |