CN212975558U - High-pressure gun with replaceable valve block - Google Patents
High-pressure gun with replaceable valve block Download PDFInfo
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- CN212975558U CN212975558U CN202021475117.2U CN202021475117U CN212975558U CN 212975558 U CN212975558 U CN 212975558U CN 202021475117 U CN202021475117 U CN 202021475117U CN 212975558 U CN212975558 U CN 212975558U
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- sealing
- hole
- valve plate
- valve
- left end
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Abstract
A high-pressure gun with a replaceable valve plate comprises a gun body, a material channel arranged in the gun body and a valve seat arranged at the left end of the material channel, wherein a sealing piece matched with the valve seat is arranged in the material channel; the diameter of the feed hole is larger than that of the discharge hole, and a sealing step is formed between the feed hole and the discharge hole; the right side of the sealing step is provided with a valve plate matched with the sealing step; the center of the valve plate is provided with a material passing hole communicated with the discharge hole; and a sealing ring matched with the valve plate is sleeved outside the valve plate. The utility model discloses a integrity when the valve block assembly not only can be guaranteed to the high-pressure rifle of removable valve block, and can guarantee the leakproofness between valve block and the disk seat in the reduction is to size precision requirement, more can change the valve block alone when the valve block damages, effectively reduce cost of maintenance.
Description
Technical Field
The utility model relates to a high-pressure gun, especially a high-pressure gun of removable valve block.
Background
The valve plate of the high-pressure gun is a key sealing element of the high-pressure gun and is also a quick-wear part of the high-pressure gun, and the valve plate is extremely easy to erode under high pressure in the use process of the high-pressure gun, so that the valve plate needs to be replaced.
The traditional mounting means of present valve block is through gluing the valve block on the disk seat through glue, or realize fixing between valve block and the disk seat through interference fit, when valve block and disk seat interference fit, in case the magnitude of interference is too big, the disk seat inner wall then can be to the valve block extrusion, lead to the valve block to warp, cause no longer sealed between valve block and the disk seat inner wall, when serious, the ruptured condition of valve block can appear even, consequently, the size precision requirement to the valve block is high, and sealed between valve block and the disk seat is sealed firmly, both can not dismantle, if the valve block damages, then need disk seat and valve block to change together, lead to cost of maintenance high.
Disclosure of Invention
The utility model aims to solve the current technical problem and provide a high-pressure gun of removable valve block, integrity when it not only can guarantee the valve block assembly, and can guarantee the leakproofness between valve block and the disk seat when reducing the requirement to size precision, more can change the valve block alone when the valve block damages, effectively reduce cost of maintenance.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a high-pressure gun of removable valve block, including the rifle body, locate the internal material of rifle and say and locate the disk seat that the material was said the left end, be equipped with in the material way with disk seat assorted sealing member, the sealing member rear end be equipped with rather than assorted spring, its characterized in that: the side wall of the right side of the valve seat is provided with a feeding hole, and the side wall of the left side of the valve seat is provided with a discharging hole which is coaxial with the feeding hole; the diameter of the feed hole is larger than that of the discharge hole, and a sealing step is formed between the feed hole and the discharge hole; the right side of the sealing step is provided with a valve plate matched with the sealing step; the center of the valve plate is provided with a material passing hole communicated with the discharge hole; the valve plate is externally sleeved with a sealing ring matched with the valve plate, and the sealing ring is made of plastic materials; the inner wall of the sealing ring is attached and sealed with the outer wall of the valve plate, and the outer wall of the sealing ring is attached and sealed with the inner wall of the feeding hole; the left end of the sealing element blocks and seals the orifice at the right end of the material passing hole; a feeding gap is formed between the outer wall of the sealing element and the feeding hole; and sealing angles are arranged on the outer edges of the left end and the right end of the valve plate and the orifices of the left end and the right end of the material passing hole.
The left end face of the sealing element is provided with an embedding hole; and a sealing ball matched with the embedding hole is arranged in the embedding hole, and the left end of the sealing ball protrudes out of the embedding hole and is attached to the sealing angle at the right end of the material passing hole.
The left end of the sealing element is provided with a guiding conical surface which is narrow at the left and wide at the right.
The utility model has the advantages that:
compared with the prior art, the valve block of the high-pressure gun with the replaceable valve block adopting the structure of the utility model can form a sealing ring directly sleeved outside the valve block by matching with the valve seat, when the internal pressure of the high-pressure gun is larger, the sealing effect is better, and the sealing ring is made of plastic materials and can deform to a certain degree, so the processing precision requirement of the valve block is reduced, the sealing ring can compensate the precision deviation of the valve block by self deformation, and simultaneously the condition that the valve block deforms or is damaged due to overlarge magnitude of interference when the valve block is in interference fit with the valve seat is effectively avoided, and the outer edges of the left and right ends of the valve block and the orifices of the left and right ends of the material passing hole are both provided with sealing angles, the existence of the sealing angles ensures that the outer wall of the valve block and the inner wall of the sealing ring are not completely attached to the surface between the side wall of the left, reduce the area of contact between face and the face to reduce frictional force each other, thereby be convenient for dismantlement each other, the user of service can oneself dismantle the valve block alone, realizes the effect of changing the valve block alone, effectively reduces cost of maintenance.
Drawings
FIG. 1 is a schematic structural view of a high pressure gun with a replaceable valve plate according to the present invention;
fig. 2 is a schematic view of the structure of the part of the high-pressure gun with the replaceable valve plate.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 and 2, the utility model provides a high pressure gun with a replaceable valve plate, which comprises a gun body 1, a material channel 2 arranged in the gun body 1 and a valve seat 3 arranged at the left end of the material channel 2, wherein a sealing element 4 matched with the valve seat 3 is arranged in the material channel 2, a spring 5 matched with the sealing element 4 is arranged at the rear end of the sealing element 4, a feeding hole 6 is arranged on the side wall of the right side of the valve seat 3, and a discharging hole 7 coaxial with the feeding hole 6 is arranged on the side wall of the left side of the valve seat 3; the diameter of the feed hole 6 is larger than that of the discharge hole 7, and a sealing step 8 is formed between the feed hole 6 and the discharge hole 7; a valve plate 9 matched with the sealing step 8 is arranged on the right side of the sealing step 8; the center of the valve plate 9 is provided with a material passing hole 10 communicated with the discharge hole 7; the valve plate 9 is externally sleeved with a sealing ring 11 matched with the valve plate, and the sealing ring 11 is made of plastic materials; the inner wall of the sealing ring 11 is attached and sealed with the outer wall of the valve plate 9, and the outer wall of the sealing ring 11 is attached and sealed with the inner wall of the feeding hole 6; the left end of the sealing element 4 blocks and seals the orifice at the right end of the material passing hole 10; a feeding gap 12 is arranged between the outer wall of the sealing element 4 and the feeding hole 6; and sealing angles 13 are arranged on the outer edges of the left end and the right end of the valve plate 9 and the orifices of the left end and the right end of the material passing hole 10.
An embedding hole 14 is formed in the left end face of the sealing element 4; and a sealing ball 15 matched with the embedding hole is arranged in the embedding hole 14, and the left end of the sealing ball 15 protrudes out of the embedding hole 14 and is attached to the sealing angle 13 at the right end of the material passing hole 10.
The left end of the sealing element 4 is provided with a guiding conical surface 16 which is narrow at the left and wide at the right.
The utility model discloses a use method as follows:
when the high pressure gun is internally high-pressure, the pressure can extrude the sealing ring 11 outwards through the valve plate 9, at the moment, the inner wall of the sealing ring 11 is tightly attached to the outer wall of the valve plate 9, the outer wall of the sealing ring 11 is tightly attached to the inner wall of the feeding hole 6, the sealing effect is stronger, the sealing ring 11 is integrated with the valve seat 3 to form a sealing ring directly sleeved outside the valve plate 9, when the internal pressure of the high pressure gun is higher, the sealing effect is better, the sealing ring 11 is made of plastic materials and can deform to a certain degree, so that the processing precision requirement on the valve plate 9 is reduced, the sealing ring 11 can compensate the precision deviation of the valve plate 9 through self deformation, and the condition that the valve plate 9 deforms or is damaged due to the overlarge interference when the valve plate 9 is in interference fit with the valve seat 3 is effectively avoided, and sealing angles 13 are arranged on the outer edges of the left end, existence of sealed angle 13 makes between valve block 9 outer wall and the 11 inner walls of sealing ring, between 9 left side lateral walls of valve block and the sealed step 8 not complete face and face laminating, but there is certain breach, this breach is under the sealed condition of not influencing, reduce the area of contact between face and the face, thereby reduce frictional force each other, thereby be convenient for dismantlement each other, the user of service can oneself dismantle valve block 9 alone, realize the effect of changing valve block 9 alone, effectively reduce cost of maintenance, and the existence of sealed angle 13 can be with valve block 9 reverse installation when valve block 9 wherein one side wearing and tearing, further reduce cost of maintenance.
The left end face of the sealing element 4 is provided with an embedded hole 14, a sealing ball 15 matched with the embedded hole 14 is arranged in the embedded hole 14, the left end of the sealing ball 15 protrudes out of the embedded hole 14 and is attached to a sealing angle 13 at the right end of the material passing hole 10, the spherical surface of the sealing ball 15 is matched and sealed with the sealing angle 13, and the sealing performance is far higher than that when two planes are attached to each other, so that the sealing performance when the sealing ball 15 is blocked at the orifice at the right end of the material passing hole 10 is effectively guaranteed.
The left end of the sealing element 4 is provided with a guiding conical surface 16 which is narrow at the left and wide at the right, after the spray coating enters the material channel, the spray coating finally flows to the left end of the material channel 2 through the feeding gap 12, and under the guiding of the guiding conical surface 16, high pressure is concentrated around the sealing ball, so that the sealing ball 15 is rapidly squeezed open, the sealing ball 15 pushes the sealing element rightwards, the spring 5 is compressed and generates elasticity, when the high pressure is closed, the sealing element 4 drives the sealing ball 15 to reset under the elasticity of the spring 5, and the orifice at the right end of the material passing hole 10 is blocked and sealed again.
Claims (3)
1. The utility model provides a high pressure gun of removable valve block, includes the rifle body, locates the internal material of rifle and says and locate the disk seat of material way left end, is equipped with in the material way with disk seat assorted sealing member, the sealing member rear end be equipped with rather than assorted spring, its characterized in that: the side wall of the right side of the valve seat is provided with a feeding hole, and the side wall of the left side of the valve seat is provided with a discharging hole which is coaxial with the feeding hole; the diameter of the feed hole is larger than that of the discharge hole, and a sealing step is formed between the feed hole and the discharge hole; the right side of the sealing step is provided with a valve plate matched with the sealing step; the center of the valve plate is provided with a material passing hole communicated with the discharge hole; the valve plate is externally sleeved with a sealing ring matched with the valve plate, and the sealing ring is made of plastic materials; the inner wall of the sealing ring is attached and sealed with the outer wall of the valve plate, and the outer wall of the sealing ring is attached and sealed with the inner wall of the feeding hole; the left end of the sealing element blocks and seals the orifice at the right end of the material passing hole; a feeding gap is formed between the outer wall of the sealing element and the feeding hole; and sealing angles are arranged on the outer edges of the left end and the right end of the valve plate and the orifices of the left end and the right end of the material passing hole.
2. The valve plate replaceable high pressure gun of claim 1, wherein: the left end face of the sealing element is provided with an embedding hole; and a sealing ball matched with the embedding hole is arranged in the embedding hole, and the left end of the sealing ball protrudes out of the embedding hole and is attached to the sealing angle at the right end of the material passing hole.
3. The valve plate replaceable high pressure gun of claim 1, wherein: the left end of the sealing element is provided with a guiding conical surface which is narrow at the left and wide at the right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021475117.2U CN212975558U (en) | 2020-07-24 | 2020-07-24 | High-pressure gun with replaceable valve block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021475117.2U CN212975558U (en) | 2020-07-24 | 2020-07-24 | High-pressure gun with replaceable valve block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212975558U true CN212975558U (en) | 2021-04-16 |
Family
ID=75428990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021475117.2U Active CN212975558U (en) | 2020-07-24 | 2020-07-24 | High-pressure gun with replaceable valve block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212975558U (en) |
-
2020
- 2020-07-24 CN CN202021475117.2U patent/CN212975558U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ying Zhenxing Inventor after: Zhou Jiaxue Inventor after: Xu Xiangyu Inventor after: Chen Bo Inventor before: Ying Zhenxing Inventor before: Zhou Jiaxue Inventor before: Xu Xiangyu Inventor before: Chen Bo |
|
| CB03 | Change of inventor or designer information |