CN213871163U - High-glass-fiber-content special valve needle sleeve - Google Patents
High-glass-fiber-content special valve needle sleeve Download PDFInfo
- Publication number
- CN213871163U CN213871163U CN202022099198.7U CN202022099198U CN213871163U CN 213871163 U CN213871163 U CN 213871163U CN 202022099198 U CN202022099198 U CN 202022099198U CN 213871163 U CN213871163 U CN 213871163U
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- Prior art keywords
- valve needle
- sleeve
- protective sleeve
- distribution plate
- flow distribution
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- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims abstract description 72
- 238000009826 distribution Methods 0.000 claims abstract description 37
- 230000002093 peripheral effect Effects 0.000 claims abstract description 26
- 239000003365 glass fiber Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high glass fiber special valve needle sleeve, which comprises a valve needle sleeve sleeved on the outer peripheral surface of a valve needle, wherein the valve needle sleeve is arranged in a flow distribution plate; a guide groove is formed in the middle of the flow distribution plate, and the valve needle penetrates through the guide groove; the valve needle sleeve comprises an inner protective sleeve, an outer protective sleeve is arranged on the top surface of the inner protective sleeve, the inner protective sleeve and the outer protective sleeve are sleeved on the outer peripheral surface of the valve needle, the inner protective sleeve is arranged in the flow distribution plate, and the outer protective sleeve is arranged on the flow distribution plate; an arc groove is arranged between the outer protective sleeve and the inner protective sleeve; the outer protection sleeve and the inner protection sleeve are internally provided with a first inner protection pipe and a second inner protection pipe, and the first inner protection pipe and the second inner protection pipe are sleeved on the outer peripheral surface of the valve needle. The utility model discloses protect the outer peripheral face of needle, the structure workable, long service life, the function is smooth.
Description
Technical Field
The utility model relates to a needle cover, in particular to fine special valve needle cover of high glass.
Background
The valve body is a main part in the valve; there are different mechanical manufacturing methods according to the pressure class. For example: casting, forging, and the like. Valve bodies of medium and low pressure specifications are usually produced by a casting process. The valve body with the medium-high pressure specification is produced by adopting a forging process. The valve core and the valve seat sealing ring form sealing and can effectively bear medium pressure. The valve needle sleeve of the valve body is assembled by a plurality of parts, and because each part is machined to have a certain precision error and the assembly error caused by human factors during assembly, the accumulated error of the parts can cause a large precision error.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem that prior art exists to a peripheral face to the needle protects, the structure workable, long service life, the fine special valve needle cover of high glass that the function is smooth is provided.
The above technical problem of the present invention can be solved by the following technical solutions:
a high glass fiber special valve needle sleeve comprises a valve needle sleeve sleeved on the outer peripheral surface of a valve needle, wherein the valve needle sleeve is arranged in a flow distribution plate; a guide groove is formed in the middle of the flow distribution plate, and the valve needle penetrates through the guide groove; the valve needle sleeve comprises an inner protective sleeve, an outer protective sleeve is arranged on the top surface of the inner protective sleeve, the inner protective sleeve and the outer protective sleeve are sleeved on the outer peripheral surface of the valve needle, the inner protective sleeve is arranged in the flow distribution plate, and the outer protective sleeve is arranged on the flow distribution plate; an arc groove is arranged between the outer protective sleeve and the inner protective sleeve; the outer protection sleeve and the inner protection sleeve are internally provided with a first inner protection pipe and a second inner protection pipe, and the first inner protection pipe and the second inner protection pipe are sleeved on the outer peripheral surface of the valve needle.
Furthermore, a protective sleeve is arranged between the outer protective sleeve and the valve needle, and a buckle piece is arranged on the inner circumferential surface of the protective sleeve, is of a sheet structure and is buckled on the outer circumferential surface of the valve needle; the outer diameter of the protecting sleeve is larger than that of the outer protecting sleeve, and the outer diameter of the outer protecting sleeve is larger than that of the guide groove; the cross sections of the outer protective sleeve and the protective sleeve are in a convex shape.
Furthermore, a needle cap is arranged at the upper end of the valve needle, the needle cap is connected with the upper end of the valve needle through threads, a needle head is arranged at the lower end of the valve needle, and the diameter of the needle head is smaller than that of the valve needle; the outer side wall position of syringe needle is equipped with the inserting groove.
Furthermore, the middle part of the valve needle is provided with a middle part which is in a circular truncated cone shape, and the middle part is arranged below the flow distribution plate;
furthermore, an inner cavity is arranged in the flow distribution plate, an outer fixing plug and an inner fixing plug are arranged in the inner cavity, the outer fixing plug is sleeved on one side of the outer peripheral surface of the valve needle, and the inner fixing plug is sleeved on the other side of the outer peripheral surface of the valve needle; an inner fixed block is arranged inside the flow distribution plate, an outer fixed block is arranged at the position of the outward facing surface of the inner fixed block, a fixed pin is arranged between the outer fixed block and the inner fixed block, and the inward facing surface of the inner fixed block is arranged on the front surface of the outer fixed plug; a side groove is formed in the side portion of the flow distribution plate, a protection block is installed in the side groove, the protection block is installed on the front face of the outer fixing block, a protection cap is arranged on the outward facing face of the protection block, and the protection cap is installed at the side portion of the flow distribution plate; the inner top surface of the flow distribution plate is provided with a groove, and the inner protective sleeve is arranged in the groove; a sprue bush is arranged between the outer protective sleeve and the valve needle.
According to the high-glass-fiber special valve needle sleeve adopting the technical scheme, the inner protective sleeve and the outer protective sleeve protect the outer peripheral surface of the valve needle, and the first inner protective pipe and the second inner protective pipe protect the outer peripheral surface of the valve needle, so that the structure is easy to process, the service life is long, the operation is smooth, and the after-sale maintenance frequency is reduced; through reasonable space-avoiding technology high accuracy processing valve needle cover and needle cooperation position, both guaranteed the smooth function of needle, can accomplish again to glue the position department and not overflow gluey, install the flow distribution plate with the valve needle cover cooperation earlier, install the valve needle cover with the valve needle cooperation again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the structural schematic diagram of the special high-glass fiber valve needle sleeve of the present invention.
Fig. 2 is an enlarged detail view of the area a in fig. 1.
Fig. 3 is an enlarged detail view of the area B in fig. 1.
Fig. 4 is an enlarged detail view of the region C in fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
As shown in fig. 1 to 4, a high-glass fiber dedicated valve needle sleeve comprises a valve needle sleeve 2 sleeved on the outer circumferential surface of a valve needle 1, wherein the valve needle sleeve 2 is installed in a flow distribution plate 3; a guide groove 4 is formed in the middle of the flow distribution plate 3, and the valve needle 1 penetrates through the guide groove 4; the valve needle sleeve 2 comprises an inner protective sleeve 8, an outer protective sleeve 7 is arranged on the top surface of the inner protective sleeve 8, the inner protective sleeve 8 and the outer protective sleeve 7 are sleeved on the outer peripheral surface of the valve needle 1, the inner protective sleeve 8 is installed in the flow distribution plate 3, and the outer protective sleeve 7 is installed on the flow distribution plate 3; an arc groove 9 is arranged between the outer protective sleeve 7 and the inner protective sleeve 8; the outer protection sleeve 7 and the inner protection sleeve 8 are internally provided with a first inner protection pipe 12 and a second inner protection pipe 13, and the first inner protection pipe 12 and the second inner protection pipe 13 are sleeved on the peripheral surface of the valve needle 1.
The high glass fiber special valve needle sleeve of the utility model has the advantages that the inner protective sleeve 8 and the outer protective sleeve 7 protect the outer peripheral surface of the valve needle 1, and the first inner protective tube 12 and the second inner protective tube 13 protect the outer peripheral surface of the valve needle 1, so that the structure is easy to process, the service life is long, the operation is smooth, and the after-sale maintenance frequency is reduced; through reasonable space-avoiding technology high accuracy processing valve needle cover and needle cooperation position, both guaranteed the smooth function of needle, can accomplish again to glue the position department and not overflow gluey, install the flow distribution plate with the valve needle cover cooperation earlier, install the valve needle cover with the valve needle cooperation again.
Preferably, a protective sleeve 8 is arranged between the outer protective sleeve 7 and the valve needle 1, a buckle piece 11 is arranged on the inner circumferential surface of the protective sleeve 8, the buckle piece 11 is of a sheet structure, and the buckle piece 11 is buckled on the outer circumferential surface of the valve needle 1; the protecting sleeve 8 is firmly buckled with the outer peripheral surface of the valve needle 1 through a buckle piece 11.
Preferably, the outer diameter of the protective sleeve 8 is greater than the outer diameter of the outer protective sleeve 7, the outer diameter of the outer protective sleeve 7 being greater than the diameter of the guide groove 4; the cross sections of the outer protective sleeve 7 and the protective sleeve 8 are in a convex shape; the outer peripheral surface of the valve needle 1 is firmly buckled through the outer protecting sleeve 7 and the protecting sleeve 8.
Preferably, the upper end of the valve needle 1 is provided with a needle cap 25, the needle cap 25 is in threaded connection with the upper end of the valve needle 1, the lower end of the valve needle 1 is provided with a needle head 15, and the diameter of the needle head 15 is smaller than that of the valve needle 1; the outer side wall of the needle head 15 is provided with an inserting groove 16; the upper end of the valve needle 1 is protected by the needle cap 25, and the needle head 15 is conveniently inserted through the insertion groove 16.
Preferably, the middle position of the valve needle 1 is provided with a middle part 14, the middle part 14 is in a circular truncated cone shape, and the middle part 14 is arranged below the flow distribution plate 3; the middle portion 14 makes the lower part of the valve needle 1 smaller in diameter.
Preferably, an inner cavity 5 is arranged inside the flow distribution plate 3, an outer fixing plug 17 and an inner fixing plug 18 are installed in the inner cavity 5, the outer fixing plug 17 is sleeved on one side of the outer peripheral surface of the valve needle 1, and the inner fixing plug 18 is sleeved on the other side of the outer peripheral surface of the valve needle 1; an inner fixed block 20 is arranged inside the flow distribution plate 3, an outer fixed block 21 is arranged at the position of the outward facing surface of the inner fixed block 20, a fixed pin 22 is arranged between the outer fixed block 21 and the inner fixed block 20, and the inward facing surface of the inner fixed block 20 is arranged on the front surface of the outer fixed plug 17; a side groove 19 is formed in the side portion of the flow distribution plate 3, a protection block 23 is installed in the side groove 19, the protection block 23 is installed on the front face of the outer fixing block 21, a protection cap 24 is arranged on the outward facing face of the protection block 23, and the protection cap 24 is installed at the side portion of the flow distribution plate 3; the protective block 23 is fixedly installed through the protective cap 24, the protective block 23 is fixedly installed on the inner fixing block 20 through the outer fixing block 21, the outer fixing plug 17 and the inner fixing plug 18 are fixedly installed through the inner fixing block 20, and the outer peripheral surface of the valve needle 1 is protected through the outer fixing plug 17 and the inner fixing plug 18.
Preferably, the inner top surface of the flow distribution plate 3 is provided with a groove 6, and an inner protective sleeve 8 is arranged in the groove 6; a sprue bush 10 is arranged between the outer protective sleeve 7 and the valve needle 1; the outer protective sleeve 7 protects the valve needle 1 through the sprue bush 10, so that the valve needle 1 is more conveniently arranged in the guide groove 4 of the flow distribution plate 3.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. A high glass fiber special valve needle sleeve comprises a valve needle sleeve sleeved on the outer peripheral surface of a valve needle, wherein the valve needle sleeve is arranged in a flow distribution plate; a guide groove is formed in the middle of the flow distribution plate, and the valve needle penetrates through the guide groove;
the method is characterized in that: the valve needle sleeve comprises an inner protective sleeve, an outer protective sleeve is arranged on the top surface of the inner protective sleeve, the inner protective sleeve and the outer protective sleeve are sleeved on the outer peripheral surface of the valve needle, the inner protective sleeve is arranged in the flow distribution plate, and the outer protective sleeve is arranged on the flow distribution plate; an arc groove is arranged between the outer protective sleeve and the inner protective sleeve; the outer protection sleeve and the inner protection sleeve are internally provided with a first inner protection pipe and a second inner protection pipe, and the first inner protection pipe and the second inner protection pipe are sleeved on the outer peripheral surface of the valve needle.
2. The high-glass-fiber special valve needle sleeve according to claim 1, wherein: the valve needle is characterized in that a protective sleeve is arranged between the outer protective sleeve and the valve needle, a buckle piece is arranged on the inner circumferential surface of the protective sleeve and is of a sheet structure, and the buckle piece is buckled on the outer circumferential surface of the valve needle.
3. The high-glass-fiber special valve needle sleeve according to claim 1, wherein: the outer diameter of the protecting sleeve is larger than that of the outer protecting sleeve, and the outer diameter of the outer protecting sleeve is larger than that of the guide groove; the cross sections of the outer protective sleeve and the protective sleeve are in a convex shape.
4. The high-glass-fiber special valve needle sleeve according to claim 1, wherein: the upper end of the valve needle is provided with a needle cap, the needle cap is in threaded connection with the upper end of the valve needle, the lower end of the valve needle is provided with a needle head, and the diameter of the needle head is smaller than that of the valve needle.
5. The high-glass-fiber special valve needle sleeve according to claim 4, wherein: the outer side wall position of syringe needle is equipped with the inserting groove.
6. The high-glass-fiber special valve needle sleeve according to claim 1, wherein: the middle part of the valve needle is arranged in the middle of the valve needle and is in a circular truncated cone shape, and the middle part of the valve needle is arranged below the flow distribution plate.
7. The high-glass-fiber special valve needle sleeve according to claim 1, wherein: an inner cavity is arranged in the flow distribution plate, an outer fixing plug and an inner fixing plug are arranged in the inner cavity, the outer fixing plug is sleeved on one side of the outer peripheral surface of the valve needle, and the inner fixing plug is sleeved on the other side of the outer peripheral surface of the valve needle.
8. The high-glass-fiber special valve needle sleeve according to claim 7, wherein: an inner fixing block is arranged inside the flow distribution plate, an outer fixing block is arranged at the position of the outward facing surface of the inner fixing block, a fixing pin is arranged between the outer fixing block and the inner fixing block, and the inward facing surface of the inner fixing block is arranged on the front surface of the outer fixing plug.
9. The high-glass-fiber special valve needle sleeve according to claim 7, wherein: the lateral part position of flow distribution plate is equipped with the side groove, installs the protection piece in the side groove, and the front of fixed block outside is installed to the protection piece, and the external face of facing of protection piece is equipped with the helmet, and the lateral part position at the flow distribution plate is installed to the helmet.
10. The high-glass-fiber special valve needle sleeve according to claim 1, wherein: the inner top surface of the flow distribution plate is provided with a groove, and the inner protective sleeve is arranged in the groove; a sprue bush is arranged between the outer protective sleeve and the valve needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022099198.7U CN213871163U (en) | 2020-09-22 | 2020-09-22 | High-glass-fiber-content special valve needle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022099198.7U CN213871163U (en) | 2020-09-22 | 2020-09-22 | High-glass-fiber-content special valve needle sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213871163U true CN213871163U (en) | 2021-08-03 |
Family
ID=77049379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022099198.7U Expired - Fee Related CN213871163U (en) | 2020-09-22 | 2020-09-22 | High-glass-fiber-content special valve needle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213871163U (en) |
-
2020
- 2020-09-22 CN CN202022099198.7U patent/CN213871163U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |