CN218625558U - Exhaust valve kit of diaphragm compressor - Google Patents
Exhaust valve kit of diaphragm compressor Download PDFInfo
- Publication number
- CN218625558U CN218625558U CN202222965553.3U CN202222965553U CN218625558U CN 218625558 U CN218625558 U CN 218625558U CN 202222965553 U CN202222965553 U CN 202222965553U CN 218625558 U CN218625558 U CN 218625558U
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- exhaust valve
- conical surface
- connecting body
- hole
- clamping sleeve
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- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 229920001774 Perfluoroether Polymers 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical compound FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model relates to a diaphragm compressor, in particular to a diaphragm compressor exhaust valve external member, which is different from the prior art that the upper end and the lower end of a clamping sleeve are respectively provided with a 59-degree conical surface, and a thread is arranged near the 59-degree conical surface; the upper section threaded hole of the connector is connected with the lower section unthreaded hole through a 60-degree conical surface; a clamping nut is screwed, a clamping sleeve pipe is fixed with the upper end of the exhaust valve pressure rod, a connecting body is screwed, a 59-degree conical surface at the lower end of the clamping sleeve pipe is tightly abutted with a 60-degree conical surface of the connecting body, and the upper end of the connecting body is abutted with the lower end of the exhaust valve pressure rod; the lower section unthreaded hole of the connecting body is communicated with the air outlet hole of the exhaust valve. Compared with the prior art, the utility model discloses sleeve pipe both ends set up 59 conical surfaces and screw thread, set up 60 conical surfaces and screw thread in the connector, turn round tight takeover and can drive the lantern ring and the cutting ferrule pipe gradually with the connector contact, final sleeve pipe forms the conical surface with the connector and seals, and this conical surface that differs 1 seals up the sealed effect better, can adapt to high pressure superhigh pressure diaphragm compressor's demand.
Description
Technical Field
The utility model relates to a diaphragm compressor specifically is a diaphragm compressor discharge valve external member.
Background
The chinese utility model patent of publication No. CN 211370680U discloses a cylinder head assembly and diaphragm compressor cylinder body part to specifically disclose the exhaust external member including setting up in the exhaust pressure pipe at discharge valve top, the periphery of exhaust pressure pipe and the inner periphery slidingtype of exhaust pressure pipe box offset, the lower part inner periphery of exhaust pressure pipe and the periphery of discharge valve can remove the formula and offset, exhaust pressure pipe and discharge valve intercommunication. Therefore, the exhaust pressure pipe stops the exhaust valve and fills the gap between the exhaust pressure pipe sleeve and the exhaust valve, so that the exhaust valve is ensured to be fixed at the position corresponding to the central shaft of the exhaust pressure pipe sleeve all the time. The exhaust sleeve further comprises an exhaust pressure plate arranged at the top, the exhaust pressure plate is respectively abutted to the exhaust pressure pipe in a sliding mode at the corresponding position of the periphery of the exhaust pressure plate, and the exhaust pressure plate and the cylinder cover body are sealed, detachably and fixedly. Therefore, the exhaust pressure pipe is fixed on the cylinder cover body by the exhaust pressure plate, and when the exhaust valve or the exhaust pressure pipe is damaged, the exhaust pressure plate can be detached firstly, so that the exhaust pressure pipe and the exhaust valve can be taken out. Further preferred technical scheme is that the exhaust pressure pipe is provided with first recess slightly higher than cylinder cap body department, and the upper portion diameter of first recess is less than the lower part diameter, and the internal diameter of exhaust pressure plate equals the upper portion diameter of first recess. Therefore, the exhaust pressure plate and the exhaust pressure pipe are clamped at the first groove, and the fixing positions of the exhaust pressure plate and the cylinder cover body are close enough. According to a further preferable technical scheme, a plurality of first mounting holes are formed in the periphery of the exhaust pressure plate in an equidistant mode, and the exhaust pressure plate is hermetically and detachably fixed with the cylinder cover through the first mounting holes. Therefore, each part of the exhaust sleeve needs to bear enough gas pressure, the first mounting holes can enable the fasteners to be fixed on the cylinder cover body from the periphery of the exhaust pressing plate, and stress borne by the joint of the first mounting holes and the second mounting holes is uniformly dispersed in the circumferential direction of the joint of the first mounting holes and the second mounting holes.
However, the exhaust valve kit with the structure is suitable for being applied to a medium-low pressure diaphragm compressor, but is not suitable for a high pressure/ultrahigh pressure diaphragm compressor close to 100MPa, high pressure gas can generate severe vibration through the exhaust pressure pipe, the abutting part of the exhaust pressure pipe and the exhaust valve is loosened, the high pressure gas can leak from the abutting part of the exhaust pressure pipe and the exhaust valve, in addition, when the exhaust pressure pipe is taken out, the exhaust valve can be positioned at the bottommost part of the exhaust pressure pipe sleeve, and the exhaust valve can be taken out only by means of a tool, so that the replacement is very inconvenient.
SUMMERY OF THE UTILITY MODEL
For overcoming one of technical problem or the technical problem that prior art exists, the utility model discloses a diaphragm compressor discharge valve external member, the technical scheme who takes is:
a diaphragm compressor exhaust valve external member comprises an exhaust valve compression rod, wherein the upper end of the exhaust valve compression rod is fixedly integrated with an incomplete circular truncated cone, the upper end of the exhaust valve compression rod is provided with a horn hole with a large upper part and a small lower part, the lower end of the exhaust valve compression rod is provided with a counter bore, the middle part of the exhaust valve compression rod is provided with a central hole for communicating the horn hole with the counter bore, a clamping sleeve is in clearance fit or transition fit in the central hole, the upper end and the lower end of the clamping sleeve are respectively provided with a 59-degree conical surface, and threads are arranged on the conical surface close to 59 degrees; a spring chuck is arranged in the bell-mouth hole, and the upper end of the clamping sleeve penetrates into the spring chuck and is in threaded connection with a clamping nut; a connecting pipe is sleeved on the clamping sleeve in the counter bore, the thread at the lower end of the clamping sleeve is screwed with the internal thread of the sleeve ring, the lower end of the connecting pipe is abutted against the upper end of the sleeve ring, the external thread at the lower section of the connecting pipe is screwed with the internal thread of the threaded hole at the upper section of the connecting body, and the threaded hole at the upper section of the connecting body is connected with the unthreaded hole at the lower section through a conical surface of 60 degrees; a clamping nut is screwed, a clamping sleeve pipe is fixed with the upper end of the exhaust valve pressure rod, a connecting body is screwed, a 59-degree conical surface at the lower end of the clamping sleeve pipe is tightly abutted with a 60-degree conical surface of the connecting body, and the upper end of the connecting body is abutted with the lower end of the exhaust valve pressure rod; the lower section unthreaded hole of the connecting body is communicated with the air outlet hole of the exhaust valve.
Furthermore, a circumferential circular surface close to the lower end of the connecting body is provided with a connecting body annular groove, a circumferential circular surface close to the upper end of the exhaust valve is provided with an exhaust valve annular groove, and clamping edges on two sides of the clamping sleeve are clamped into the connecting body annular groove and the exhaust valve annular groove respectively; the cross section profile of the cutting ferrule is a major arc, and the longitudinal section profile is in a shape of a 'T'.
Furthermore, an O-shaped ring embedding groove is formed in the upper end face of the exhaust valve, a perfluoroether rubber O-shaped sealing ring with the Shore hardness larger than 90 is embedded in the O-shaped ring embedding groove, and the O-shaped sealing ring is abutted to the lower end face of the connector.
Further, the cross section outline of the incomplete circular truncated cone is a major arc and a chord connecting two ends of the major arc; a plurality of through holes are uniformly formed in the incomplete round table along the axial direction so as to fixedly connect the exhaust valve pressing rod on the upper membrane head.
Furthermore, the spring chuck comprises a first conical surface with a large upper part and a small lower part and a second conical surface with a small upper part and a large lower part, the conicity of the first conical surface is consistent with that of the bell-mouthed hole and the conicity of the bell-mouthed hole are matched, and the conicity of the second conical surface is consistent with that of the nut conical hole arranged in the clamping nut and the conicity of the nut conical hole are matched.
Furthermore, at least one pair of nut rotating grooves and connecting body rotating grooves which are opposite to each other are formed in the circumferential outer circular surfaces of the clamping nut and the connecting body.
Further, the profile shape of the upper section of the connecting pipe is regular hexagon.
Compared with the prior art, the utility model discloses sleeve pipe both ends set up 59 conical surfaces and screw thread, set up 60 conical surfaces and screw thread in the connector, turn round tight takeover and can drive the lantern ring and the cutting ferrule pipe gradually with the connector contact, final sleeve pipe forms the conical surface with the connector and seals, and this conical surface that differs 1 seals up the sealed effect better, can adapt to high pressure superhigh pressure diaphragm compressor's demand. In addition, the clamping sleeve clamps the connecting body and the exhaust valve together, the exhaust valve can be taken out by disassembling the exhaust valve pressing rod, and a valve taking tool does not need to be manufactured independently.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of fig. 1.
Fig. 3 is a schematic structural diagram of the bayonet sleeve of the present invention.
Fig. 4 is a partially enlarged view of fig. 3.
Fig. 5 is a schematic structural view of the collet chuck of the present invention.
Fig. 6 is a schematic structural view of the clamping nut of the present invention.
Fig. 7 is a schematic structural diagram of the adapter tube of the present invention.
Fig. 8 is a schematic structural view of the collar of the present invention.
Fig. 9 is a schematic structural view of the connector of the present invention.
Fig. 10 is a schematic structural view of another view angle of the connector of the present invention.
Fig. 11 is a schematic structural view of the exhaust valve of the present invention.
Fig. 12 is a schematic structural diagram of the card sleeve of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The exhaust valve kit of the diaphragm compressor as shown in fig. 1-12 comprises an exhaust valve pressing rod 1, wherein the upper end close to the exhaust valve pressing rod 1 is fixedly integrated with an incomplete round table 11, the upper end of the exhaust valve pressing rod 1 is provided with a horn hole 12 with a large upper part and a small lower part, the lower end of the exhaust valve pressing rod 1 is provided with a counter bore 13, the middle part of the exhaust valve pressing rod is provided with a central hole for communicating the horn hole 12 with the counter bore 13, a clamping sleeve 2 is in clearance fit or transition fit in the central hole, the upper end and the lower end of the clamping sleeve 2 are respectively provided with a 59-degree conical surface 21, and threads are arranged close to the 59-degree conical surface 21; a spring chuck 3 is arranged in the horn hole 12, and the upper end of the clamping sleeve 2 penetrates into the spring chuck 3 and is in threaded connection with a clamping nut 4; the connecting pipe 5 is sleeved on the clamping sleeve pipe 2 in the counter bore 13, the thread at the lower end of the clamping sleeve pipe 2 is screwed with the internal thread of the lantern ring 6, the lower end of the connecting pipe 5 is abutted against the upper end of the lantern ring 6, the external thread at the lower section of the connecting pipe 5 is screwed with the internal thread of the threaded hole 71 at the upper section of the connecting body 7, and the threaded hole 71 at the upper section of the connecting body 7 is connected with the unthreaded hole 72 at the lower section through a conical surface 73 with 60 degrees; the clamping nut 4 is screwed, the clamping sleeve 2 is fixed with the upper end of the exhaust valve pressure lever 1, the connecting body 7 is screwed, the 59-degree conical surface 21 at the lower end of the clamping sleeve 2 is tightly abutted with the 60-degree conical surface 73 of the connecting body 7, and the upper end of the connecting body 7 is abutted with the lower end of the exhaust valve pressure lever 1; the lower section unthreaded hole 72 of the connecting body 7 is communicated with the air outlet hole of the exhaust valve 8. Two ends of the clamping sleeve pipe are provided with 59-degree conical surfaces and threads, 60-degree conical surfaces and threads are arranged in the connector, the screwing connecting pipe can drive the sleeve ring and the clamping sleeve pipe to gradually contact with the connector, finally the clamping sleeve pipe and the connector form conical surface sealing, the conical surface sealing effect with the difference of 1 degree is better, and the requirement of a high-pressure/ultrahigh-pressure diaphragm compressor can be met.
1. In another preferred embodiment, a circumferential circular surface close to the lower end of the connecting body 7 is provided with a connecting body annular groove 74, a circumferential circular surface close to the upper end of the exhaust valve 8 is provided with an exhaust valve annular groove 81, and the clamping edges 91 on two sides of the clamping sleeve 9 are clamped into the connecting body annular groove 74 and the exhaust valve annular groove 81 respectively; the cross section profile of the cutting sleeve 9 is in a major arc shape, and the longitudinal section profile is in a cross section shape of a cross section of the cutting sleeve. The clamping sleeve is a large semicircular clamping hoop, so that the connection and the disassembly are convenient, when the exhaust valve needs to be replaced, the exhaust valve and the connecting body are fixed together by the clamping sleeve, and the exhaust valve pressing rod and the connecting body are also fixed together, so that a valve taking tool does not need to be manufactured independently, and the exhaust valve can be taken out simultaneously by directly disassembling the exhaust valve pressing rod.
In another preferred embodiment, an O-ring insertion groove 82 is formed on the upper end surface of the exhaust valve 8, an O-ring made of perfluoro ether rubber and having a shore hardness of more than 90 is inserted into the O-ring insertion groove 82, and the O-ring abuts against the lower end surface of the connecting body 7.
In another preferred embodiment, the cross-sectional profile of the incomplete round table 11 is a major arc and a chord connecting both ends of the major arc; a plurality of through holes are uniformly formed in the incomplete round table 11 along the axial direction so as to fixedly connect the exhaust valve pressing rod 1 on the upper membrane head.
2. In another preferred embodiment, the collet chuck 3 comprises a first tapered surface 31 with a large top and a small bottom and a second tapered surface 32 with a small top and a large bottom, wherein the first tapered surface 31 and the flare hole 12 have a taper which is identical and fits each other, and the second tapered surface 32 and the nut tapered hole 41 arranged in the jam nut 4 have a taper which is identical and fits each other. When the threads of the clamping nut and the threads of the exhaust valve pressure rod are gradually screwed, the inner hole of the spring chuck can gradually clamp the clamping sleeve pipe while the conical surface matched with the exhaust valve pressure rod axially moves, the clamping sleeve pipe is ensured to be installed, vibration generated between the clamping sleeve pipe and the exhaust valve pressure rod is reduced, and vibration of high-pressure gas in a pipeline is reduced.
In another preferred embodiment, the chuck nut 4 and the coupling body 7 are formed with at least one pair of nut turning grooves 42 and coupling body turning grooves 75 formed on circumferential outer circumferential surfaces thereof.
In another preferred embodiment, the upper section of the adapter tube 5 is shaped as a regular hexagon.
The material of all metal parts of the embodiment is high-temperature alloy material GH2132.
The invention is not described in detail in the prior art or in the common general knowledge.
Claims (7)
1. A diaphragm compressor discharge valve kit, includes discharge valve depression bar (1), its characterized in that: the upper end close to the exhaust valve compression bar (1) is fixedly integrated with the incomplete round table (11), the upper end of the exhaust valve compression bar (1) is provided with a horn hole (12) with a large upper part and a small lower part, the lower end of the exhaust valve compression bar is provided with a counter bore (13), the middle part of the exhaust valve compression bar is provided with a central hole for communicating the horn hole (12) with the counter bore (13), a clamping sleeve (2) is in clearance fit or transition fit in the central hole, the upper end and the lower end of the clamping sleeve (2) are respectively provided with a 59-degree conical surface (21), and threads are arranged close to the 59-degree conical surface (21); a spring chuck (3) is arranged in the horn hole (12), and the upper end of the clamping sleeve pipe (2) penetrates into the spring chuck (3) and is in threaded connection with a clamping nut (4); a connecting pipe (5) is sleeved on a clamping sleeve pipe (2) in a counter bore (13), the thread at the lower end of the clamping sleeve pipe (2) is screwed with the internal thread of a lantern ring (6), the lower end of the connecting pipe (5) is abutted against the upper end of the lantern ring (6), the external thread at the lower section of the connecting pipe (5) is screwed with the internal thread of the threaded hole (71) at the upper section of a connecting body (7), and the threaded hole (71) at the upper section of the connecting body (7) is connected with the unthreaded hole (72) at the lower section through a conical surface (73) of 60 degrees; a clamping nut (4) is screwed, a clamping sleeve pipe (2) is fixed with the upper end of an exhaust valve pressure lever (1), a connector (7) is screwed, a 59-degree conical surface (21) at the lower end of the clamping sleeve pipe (2) is tightly abutted with a 60-degree conical surface (73) of the connector (7), and the upper end of the connector (7) is abutted with the lower end of the exhaust valve pressure lever (1); the lower section unthreaded hole (72) of the connecting body (7) is communicated with the air outlet hole of the exhaust valve (8).
2. The diaphragm compressor discharge valve kit according to claim 1, wherein: a circumferential circular surface close to the lower end of the connecting body (7) is provided with a connecting body annular groove (74), a circumferential circular surface close to the upper end of the exhaust valve (8) is provided with an exhaust valve annular groove (81), and clamping edges (91) on two sides of the clamping sleeve (9) are respectively clamped into the connecting body annular groove (74) and the exhaust valve annular groove (81); the cross section profile of the cutting sleeve (9) is in a major arc shape, and the longitudinal section profile is in a 'T' shape.
3. The diaphragm compressor discharge valve kit of claim 1, wherein: an O-shaped ring embedded groove (82) is formed in the upper end face of the exhaust valve (8), an O-shaped sealing ring which is made of full-fluorine ether rubber and has Shore hardness larger than 90 is embedded in the O-shaped ring embedded groove (82), and the O-shaped sealing ring is abutted to the lower end face of the connecting body (7).
4. The diaphragm compressor discharge valve kit according to claim 1, wherein: the cross section outline of the incomplete round table (11) is a major arc and a chord connecting two ends of the major arc; a plurality of through holes are uniformly formed in the incomplete round table (11) along the axial direction so as to fixedly connect the exhaust valve pressing rod (1) on the upper membrane head.
5. The diaphragm compressor discharge valve kit according to claim 1, wherein: the spring chuck (3) comprises a first conical surface (31) with a large upper part and a small lower part and a second conical surface (32) with a small upper part and a large lower part, the conicity of the first conical surface (31) and the conicity of the flared hole (12) are consistent and matched with each other, and the conicity of the second conical surface (32) and the conicity of a nut conical hole (41) arranged in the clamping nut (4) are consistent and matched with each other.
6. The diaphragm compressor discharge valve kit according to claim 1, wherein: at least one pair of nut rotating grooves (42) and connecting body rotating grooves (75) which are opposite to each other are formed in the circumferential outer circular surfaces of the clamping nut (4) and the connecting body (7).
7. The diaphragm compressor discharge valve kit of claim 1, wherein: the upper section of the connecting pipe (5) is in a regular hexagon in profile shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222965553.3U CN218625558U (en) | 2022-11-08 | 2022-11-08 | Exhaust valve kit of diaphragm compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222965553.3U CN218625558U (en) | 2022-11-08 | 2022-11-08 | Exhaust valve kit of diaphragm compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218625558U true CN218625558U (en) | 2023-03-14 |
Family
ID=85423149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222965553.3U Active CN218625558U (en) | 2022-11-08 | 2022-11-08 | Exhaust valve kit of diaphragm compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218625558U (en) |
-
2022
- 2022-11-08 CN CN202222965553.3U patent/CN218625558U/en active Active
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