CN215635242U - Pressure reducing valve - Google Patents
Pressure reducing valve Download PDFInfo
- Publication number
- CN215635242U CN215635242U CN202122385249.7U CN202122385249U CN215635242U CN 215635242 U CN215635242 U CN 215635242U CN 202122385249 U CN202122385249 U CN 202122385249U CN 215635242 U CN215635242 U CN 215635242U
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- China
- Prior art keywords
- positioning
- pipe
- bushing
- pipe part
- pressure reducing
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- 239000007789 gas Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000011900 installation process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure reducing valve, comprising: the first shell is provided with a first pipe part; the second shell is provided with a second pipe part; the positioning piece comprises a first bushing part and a second bushing part which are communicated with each other, the first bushing part and the second bushing part are coaxially arranged, the first bushing part is sleeved on the first pipe part, and the second bushing part is sleeved on the second pipe part; and the locking assembly is used for fixing the first shell and the second shell. According to the utility model, the positioning piece can ensure that the first shell and the second shell have higher coaxiality during assembly, the performance of the pressure reducing valve is favorably maintained, and the locking assembly can be used for fixing the first shell and the second shell.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a pressure reducing valve.
Background
Among the correlation technique, split type relief pressure valve when with the external equipment installation, different equipment are connected respectively to one-level casing and second grade casing, then both are through interior external screw thread connection, but, adopt this connected mode's one-level casing and second grade casing to accomplish the installation back, the axiality of one-level casing and second grade casing is lower, leads to it to influence the performance of relief pressure valve.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a pressure reducing valve.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
a pressure reducing valve according to an embodiment of the present invention includes: the first shell is provided with a first pipe part; the second shell is provided with a second pipe part; the positioning piece comprises a first bushing part and a second bushing part which are communicated with each other, the first bushing part and the second bushing part are coaxially arranged, the first bushing part is sleeved on the first pipe part, and the second bushing part is sleeved on the second pipe part; a locking assembly for securing the first housing and the second housing.
According to the pressure reducing valve provided by the embodiment of the utility model, the first pipe part is arranged on the first shell; be equipped with the second pipe portion on the second casing to and the setting element is including first bush portion and the second bush portion that communicate each other, first bush portion and the coaxial setting of second bush portion, first bush portion cover is established on first pipe portion, second bush portion cover is established on second pipe portion, has higher axiality when can guaranteeing first casing and second casing assembly, be favorable to maintaining the performance of relief valve, and set up locking Assembly then can be used for fixed first casing and second casing.
In addition, the pressure reducing valve according to the above embodiment of the present invention may further have the following additional technical features:
according to some embodiments of the utility model, the positioning member further comprises: the main part, the relative both ends of main part are formed with first locating surface and second locating surface, first locating surface end is supported on the terminal surface of first pipe portion, the second locating surface end is supported on the terminal surface of second pipe portion.
According to some embodiments of the utility model, the first bushing portion is disposed on the first positioning surface and is fitted inside the nozzle of the first pipe portion, and the second bushing portion is disposed on the second positioning surface and is fitted inside the nozzle of the second pipe portion.
According to some embodiments of the utility model, the main body portion has a reference plane perpendicular to the axis direction of the positioning element, and a projection plane of the first positioning surface on the reference plane is equal to or larger than a projection plane of the second positioning surface on the reference plane.
According to some embodiments of the utility model, the first and second locating surfaces are circular surfaces, the first locating surface having a diameter greater than a diameter of the second locating surface.
According to some embodiments of the present invention, a first pin hole is provided on the first positioning surface, a second pin hole is provided on an end surface of the first pipe portion, and the positioning member further includes: and the positioning pins are arranged on the first pin holes and the second pin holes.
According to some embodiments of the present invention, the first pin hole, the second pin hole, and the positioning pin are provided in plurality at intervals in a circumferential direction of the first positioning surface.
According to some embodiments of the utility model, the first housing is provided with a first reserved surface, the second housing is provided with a second reserved surface, and the locking assembly comprises: the positioning piece is positioned in the fixing sleeve, one end of the fixing sleeve is sleeved on the first pipe part, the other end of the fixing sleeve is sleeved on the second pipe part, and the fixing sleeve can rotate relative to at least one of the first pipe part and the second pipe part so as to adjust an included angle between the first reserved surface and the second reserved surface; fasteners are arranged at two ends of the fixed sleeve and used for fixing the fixed sleeve on the first pipe part and the second pipe part.
According to some embodiments of the present invention, a first screw portion is disposed on the first pipe portion, a second screw portion is disposed on the second pipe portion, the second screw portion and the first screw portion have opposite screw directions, the fixing sleeve is a nut, one end of the nut is connected to the first screw portion, and the other end of the nut is connected to the second screw portion, and the nut is disposed with a first screw hole and a second screw hole; the fastener includes: the first screw is arranged on the first screw hole and is abutted against the first thread part or the first pipe part, and the second screw is arranged on the second screw hole and is abutted against the second thread part or the second pipe part.
According to some embodiments of the utility model, the diameter of the first bushing portion is larger than the diameter of the second bushing portion.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic view of an exploded structure of a pressure reducing valve according to the present invention.
Fig. 2 is a partial structural schematic view of a pressure reducing valve according to the present invention.
Fig. 3 is a partial structural sectional view of a pressure reducing valve according to the present invention.
FIG. 4 is a schematic view of a positioning member for a pressure relief valve according to the present invention.
Fig. 5 is a sectional view taken along line a-a of fig. 4.
Reference numerals:
100. a pressure reducing valve;
10. a first housing;
101. a first reserved surface; 102. a first pipe portion; 103. a first threaded portion; 104. a second pin hole; 105. a first cavity;
20. a second housing;
201. a second reserved surface; 202. a second pipe portion; 203. a second threaded portion; 204. a second cavity;
2. a locking assembly;
30. fixing a sleeve; 301. a first screw hole; 302. a second screw hole;
40. a fastener; 410. a first screw; 420. a second screw.
50. A positioning member;
510. a first bushing portion; 520. a second bushing portion; 530. a main body portion; 5301. a first positioning surface; 5302. a second positioning surface; 5303. a first pin hole; 540. and a positioning pin.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1 to 5 in conjunction with examples.
As shown in fig. 1, a pressure reducing valve 100 according to an embodiment of the present invention includes: the locking device comprises a first shell 10, a second shell 20, a positioning piece 50 and a locking assembly 2.
The first casing 10 is provided with a first pipe portion 102; the second casing 20 is provided with a second pipe portion 202. The pressure reducing valve 100 adopts a split type first shell 10 and a split type second shell 20, one of the first shell 10 and the second shell 20 is used as an input end to be connected with a medium storage device, the other one is used as an output end to output the decompressed medium outwards, for example, the first shell 10 is connected with a gas pipeline, and the second shell 20 is connected with a gas storage bottle.
The positioning member 50 includes a first bushing portion 510 and a second bushing portion 520 that are communicated with each other, the first bushing portion 510 and the second bushing portion 520 are coaxially disposed, the first bushing portion 510 is fitted over the first pipe portion 102, and the second bushing portion 520 is fitted over the second pipe portion 202. It will be appreciated that the circumferential surfaces of the first bushing portion 510 in contact with the first pipe portion 102 and the second bushing portion 520 in contact with the second pipe portion 202 may be configured to have high dimensional accuracy, form and position tolerances, and surface roughness, and that when the first bushing portion 510 is fitted to the first pipe portion 102 and the second bushing portion 520 is fitted to the second pipe portion 202, the first pipe portion 102 and the second pipe portion 202 can ensure high concentricity, ensuring that the performance of the pressure reducing valve 100 is not degraded by low concentricity.
The locking assembly 2 is used for fixing the first housing 10 and the second housing 20, and preventing the first housing 10, the second housing 20 and the positioning member 50 from being separated.
To better illustrate the pressure reducing valve 100 of the present invention, the pressure reducing valve 100 may be a high-pressure hydrogen pressure reducing valve, and is applied to a vehicle-mounted hydrogen storage system, wherein a first housing 10 of the pressure reducing valve 100 is connected to a pipeline, and a second housing 20 is connected to a hydrogen storage bottle, so as to implement pressure reduction delivery of high-pressure hydrogen in the hydrogen storage bottle. Of course, this is merely an example, and the pressure reducing valve 100 may also be applied to other scenarios, which are not described herein again.
According to the pressure reducing valve 100 of the embodiment of the present invention, the first pipe portion 102 is provided on the first casing 10; the second casing 20 is provided with the second pipe portion 202, the positioning member 50 includes a first bushing portion 510 and a second bushing portion 520 which are communicated with each other, the first bushing portion 510 and the second bushing portion 520 are coaxially arranged, the first bushing portion 510 is sleeved on the first pipe portion 102, the second bushing portion 520 is sleeved on the second pipe portion 202, high coaxiality can be guaranteed when the first casing 10 and the second casing 20 are assembled, maintenance of performance of the pressure reducing valve 100 is facilitated, and the locking assembly 2 can be used for fixing the first casing 10 and the second casing 20.
According to some embodiments of the present invention, as shown in fig. 1, 4, and 5, the positioning member 50 further includes: the main body 530 has a first positioning surface 5301 and a second positioning surface 5302 formed at opposite ends of the main body 530, the first positioning surface 5301 abutting against an end surface of the first tube part 102, and the second positioning surface 5302 abutting against the end surface. It is to be understood that the first locating surface 5301 contacts the end face of the nozzle of the first pipe portion 102, the second locating surface 5302 contacts the end face of the nozzle of the second pipe portion 202, and the first locating surface 5301 and the second locating surface 5302 may be configured to have high dimensional accuracy, form and position tolerance, and surface roughness to further improve the coaxiality between the first pipe portion 102 and the second pipe portion 202.
According to some embodiments of the present invention, as shown in fig. 1, 2, and 3, the first bushing portion 510 is disposed on the first positioning surface 5301 and is sleeved inside the nozzle of the first pipe portion 102, and the second bushing portion 520 is disposed on the second positioning surface 5302 and is sleeved inside the nozzle of the second pipe portion 202. That is to say, the first bushing portion 510 and the second bushing portion 520 are both bushings and are respectively disposed in the opening of the first pipe portion 102 and the opening of the second pipe portion 202, so that the positioning member 50 has a smaller volume, saves materials, reduces cost, and is more compact in installation of the positioning member 50 and the first pipe portion 102 and the second pipe portion 202, which is beneficial to improving the reliability of installation.
According to another embodiment of the present invention, the first bushing portion 510 may also be placed over the first pipe portion 102 and the second bushing portion 520 over the second pipe portion 202, again to ensure proper alignment of the first pipe portion 102 with the second pipe portion 202.
According to some embodiments of the present invention, the main body 530 has a reference plane perpendicular to the axial direction of the positioning element 50, and a projection plane of the first positioning surface 5301 on the reference plane is equal to or larger than a projection plane of the second positioning surface 5302 on the reference plane. The positioning element 50 can be pre-matched with the end face of the nozzle of the first pipe part 102 and then matched with the second pipe part 202 in the installation process, so that the projection plane of the first positioning surface 5301 on the reference plane is larger than the projection plane of the second positioning surface 5302 on the reference plane, the positioning effect of the first positioning surface 5301 and the first pipe part 102 can be better, the precision is higher, and a better positioning reference is further provided to keep higher coaxiality with the second pipe part 202.
According to some embodiments of the utility model, the first locating surface 5301 and the second locating surface 5302 are circular surfaces, and the diameter of the first locating surface 5301 is greater than the diameter of the second locating surface 5302. Because first pipe portion 102 and second pipe portion 202 are circular, set up first locating surface 5301 and second locating surface 5302 as the circular face, can with the appearance phase-match of first pipe portion 102 and second pipe portion 202, whole outward appearance is comparatively better, also easy to assemble, wherein, the diameter of first locating surface 5301 can equal with the diameter of first pipe portion 102, the diameter of second locating surface 5302 can be less than the diameter of second pipe portion 202.
According to some embodiments of the present invention, as shown in fig. 3, the first positioning surface 5301 is provided with a first pin hole 5303, the end surface of the first pipe portion 102 is provided with a second pin hole 104, and the positioning element 50 further includes: the positioning pins 540 are disposed in the first pin holes 5303 and the second pin holes 104. The positioning member 50 can be pre-fixed to the first pipe portion 102 by the engagement of the positioning pin 540, the first pin hole 5303 and the second pin hole 104, so as to prevent the positioning member 50 from rotating circumferentially on the first pipe portion 102, and facilitate the subsequent engagement of the second positioning surface 5302 and the second bushing portion 520 with the second pipe portion 202.
According to some embodiments of the present invention, the first pin hole 5303, the second pin hole 104, and the positioning pin 540 are provided in plural numbers spaced apart in the circumferential direction of the first positioning surface 5301, and it is understood that providing the plural first pin holes 5303, the second pin holes 104, and the positioning pins 540 can further improve the mounting reliability of the positioning member 50 and the first pipe part 102. The number of the first pin holes 5303, the second pin holes 104, and the positioning pins 540 may be specifically set according to circumstances, and for example, the number of the three is two, three, or the like, and is not limited thereto.
According to some embodiments of the present invention, as shown in fig. 1, a first reserved surface 101 is provided on the first housing 10, a second reserved surface 201 is provided on the second housing 20, and the locking assembly 2 includes: the fixing sleeve 30 and the fastener 40, the positioning element 50 is located in the fixing sleeve 30, one end of the fixing sleeve 30 is externally sleeved on the first pipe part 102, the other end of the fixing sleeve 30 is externally sleeved on the second pipe part 202, and the fixing sleeve 30 can rotate relative to at least one of the first pipe part 102 and the second pipe part 202 to adjust an included angle between the first reserved surface 101 and the second reserved surface 201; fasteners 40 are provided on both ends of the harness 30, the fasteners 40 serving to secure the harness 30 to the first and second pipe portions 102, 202. The fixing sleeve 30 is used for realizing the connection between the first casing 10 and the second casing 20, when the first casing 10 is connected with an external device (such as a gas transmission pipeline) and the second casing 20 is connected with a medium storage device (such as a gas storage bottle), the positions of the first casing 10 and the second casing 20 can be adjusted in advance by means of a tool, and the relative angle between the first casing 10 and the second casing 20 can be adjusted more intuitively through the included angle between the first reserved surface 101 and the second reserved surface 201, so that the corresponding installation requirement can be met or the effect of avoiding other components can be realized.
For example, an included angle between the first reserved surface 101 and the second reserved surface 201 is 180 degrees, the two reserved surfaces are located in the same plane, or the included angle between the first reserved surface 101 and the second reserved surface 201 is 90 degrees, the two reserved surfaces are perpendicular to each other, of course, the included angle between the first reserved surface 101 and the second reserved surface 201 may also be other values, and may be specifically set according to the situation, and details are not described here. Then the first pipe part 102 and the second pipe part 202 are connected through the fixing sleeve 30 to realize the conduction of the first pipe part 102 and the second pipe part 202.
The fixing sleeve 30 can rotate relative to the first pipe part 102, so that the position of the first reserved surface 101 can be adjusted at any time in the installation process, and the included angle between the first reserved surface 101 and the second reserved surface 201 can be adjusted. The fixing sleeve 30 can also rotate relative to the second pipe part 202, so that the position of the second reserved surface 201 can be adjusted at any time in the installation process, and the included angle between the first reserved surface 101 and the second reserved surface 201 can be adjusted. The fixing sleeve 30 can also rotate relative to both the first pipe part 102 and the second pipe part 202, so that the positions of the first reserved surface 101 and the second reserved surface 201 can be adjusted simultaneously, and the adjustment of an included angle between the first reserved surface 101 and the second reserved surface 201 is realized.
According to some embodiments of the present invention, as shown in fig. 1 and 2, the first pipe portion 102 is provided with a first threaded portion 103, the second pipe portion 202 is provided with a second threaded portion 203, the second threaded portion 203 and the first threaded portion 103 are threaded in opposite directions, the fixing sleeve 30 is a nut, one end of the nut is connected with the first threaded portion 103, the other end of the nut is connected with the second threaded portion 203, and the nut is provided with a first threaded hole 301 and a second threaded hole 302. The both ends of nut are through being connected first pipe portion 102 with first screw portion 103 screw-thread fit, with second screw portion 203 screw-thread fit connection second pipe portion 202, fixed cover 30 and first pipe portion 102 can be guaranteed to this kind of screw-thread fit's mode, the connection reliability of second pipe portion 202, take out first casing 10 and second casing 20 along with the rotation of nut and tighten up to the contact, smooth at the uniform velocity installation of two casings can be guaranteed in whole installation, also can guarantee the sealed effect between the three simultaneously, reduce the probability that decompression in-process medium was revealed.
As shown in fig. 1, the fastener 40 includes: the first screw 410 is arranged on the first screw hole 301 and is abutted against the first thread part 103 or the first pipe part 102, and the second screw 420 is arranged on the second screw hole 302 and is abutted against the second thread part 203 or the second pipe part 202. When the locking is performed, the first screw 410 can be finally abutted against the first screw thread part 103 or the first pipe part 102 as the screwing amount of the first screw 410 in the first screw hole 301 increases, and the second screw 420 can be finally abutted against the second screw thread part 203 or the second pipe part 202 as the screwing amount of the second screw 420 in the second screw hole 302 increases.
According to some embodiments of the present invention, as shown in fig. 1, 3, the diameter of the first bushing portion 510 is larger than the diameter of the second bushing portion 520. As described above, the first housing 10 is used for connecting a gas pipeline, the second housing 20 is used for connecting a gas cylinder, high-pressure gas in the gas cylinder enters the first pipe portion 102 through the second pipe portion 202 and becomes low-pressure gas, so that the diameter of the pipe orifice of the second pipe portion 202 is smaller, the diameter of the pipe orifice of the first pipe portion 102 is smaller, so as to achieve a pressure reduction effect, and therefore the diameter of the first bushing portion 510 is set to be larger than the diameter of the second bushing portion 520, so as to adapt to the positioning of the first pipe portion 102 with the larger pipe orifice diameter.
According to some embodiments of the present invention, as shown in fig. 3, a first cavity 105 is formed in the first housing 10, the first pipe portion 102 is communicated with the first cavity 105, a second cavity 204 is formed in the second housing 20, the second pipe portion 202 is communicated with the second cavity 204, and the pressure reducing valve 100 further includes: a valve core assembly disposed within the first cavity 105 and/or the second cavity 204. A passage is formed between the first housing 10 and the second housing 20, the valve core assembly is disposed on the passage to realize on-off and pressure reduction, and the specific structure of the valve core assembly can refer to the structure and composition of the valve core assembly in the prior art, which is not described herein again.
For example, a valve core assembly may be provided within the first volume 105 to enable on-off control and pressure reduction of the media at the first housing 10.
For example, a valve core assembly may also be disposed within the second volume 204 to provide on-off control and pressure relief of the media at the second housing 20.
For example, the valve core assembly may also be disposed in the first cavity 105 and the second cavity 204, that is, the valve core assembly is disposed in both the first cavity 105 and the second cavity 204, so as to realize on-off control and pressure reduction of the medium at the positions of the first casing 10 and the second casing 20, and thus, a multi-stage pressure reduction effect can be realized, and a pressure reduction effect is enhanced.
One embodiment of the pressure reducing valve 100 of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1 to 5, the pressure reducing valve 100 includes: the locking device comprises a first shell 10, a second shell 20, a positioning piece 50 and a locking assembly 2.
A first reserved surface 101 and a first pipe portion 102 are provided on the right end of the first casing 10, a first threaded portion 103 is provided on the right end of the first pipe portion 102, and the first threaded portion 103 is an external thread provided on the outer ring of the first pipe portion 102.
The left end of the second housing 20 is provided with a second reserved surface 201 and a second pipe portion 202, the left end of the second pipe portion 202 is provided with a second thread portion 203, the second thread portion 203 is an external thread provided on the outer ring of the second pipe portion 202, and the thread directions of the second thread portion 203 and the first thread portion 103 are opposite.
The positioning member 50 includes: first bushing portion 510, second bushing portion 520, main body portion 530, and positioning pin 540.
The main body 530 has a first positioning surface 5301 and a second positioning surface 5302 formed at its left and right ends, the first positioning surface 5301 abutting against an end surface of the first tube part 102, and the second positioning surface 5302 abutting against the end surface. The first bushing portion 510 and the second bushing portion 520 are communicated with each other, the first bushing portion 510 and the second bushing portion 520 are coaxially disposed, the first bushing portion 510 is fitted over the first pipe portion 102, and the second bushing portion 520 is fitted over the second pipe portion 202. The first bushing portion 510 is disposed on the first positioning surface 5301 and is disposed inside the nozzle of the first tube portion 102, and the second bushing portion 520 is disposed on the second positioning surface 5302 and is disposed inside the nozzle of the second tube portion 202.
The first positioning surface 5301 and the second positioning surface 5302 are circular surfaces, and the diameter of the first positioning surface 5301 is larger than the diameter of the second positioning surface 5302.
The first positioning surface 5301 is provided with a first pin hole 5303, the end surface of the first pipe part 102 is provided with a second pin hole 104, and the positioning pin 540 is provided in the first pin hole 5303 and the second pin hole 104.
The locking assembly 2 comprises: a retaining sleeve 30 and a fastener 40.
Fixed cover 30 is the nut, and the one end overcoat of nut is on first pipe portion 102 and is connected with first screw thread portion 103, and the other end overcoat is on second pipe portion 202 and is connected with second screw thread portion 203, and fixed cover 30 can rotate first pipe portion 102 and second pipe portion 202 relatively to adjust the contained angle between first reservation face 101 and the second reservation face 201. The nut is provided with a first screw hole 301, and the other end of the nut is provided with a second screw hole 302.
The fastener 40 includes: a first screw 410 and a second screw 420, wherein the first screw 410 is arranged in the first screw hole 301 and is stopped against the first pipe part 102; the second screw 420 is disposed on the second screw hole 302 and abuts against the second thread portion 203. The first screw 410 and the second screw 420 are correspondingly arranged along the axial direction of the nut, the top end surface of the first screw 410 is positioned in the first screw hole 301, and the top end surface of the second screw 420 is positioned in the second screw hole 302.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pressure reducing valve (100), comprising:
a first shell (10), wherein a first pipe part (102) is arranged on the first shell (10);
a second casing (20), wherein a second pipe part (202) is arranged on the second casing (20);
the positioning piece (50) comprises a first bushing portion (510) and a second bushing portion (520) which are communicated with each other, the first bushing portion (510) and the second bushing portion (520) are coaxially arranged, the first bushing portion (510) is sleeved on the first pipe portion (102), and the second bushing portion (520) is sleeved on the second pipe portion (202);
a locking assembly (2), the locking assembly (2) being for securing the first housing (10) and the second housing (20).
2. The pressure relief valve (100) of claim 1, wherein the positioning member (50) further comprises: the positioning device comprises a main body part (530), wherein a first positioning surface (5301) and a second positioning surface (5302) are formed at two opposite ends of the main body part (530), the first positioning surface (5301) abuts against the end face of the first pipe part (102), and the second positioning surface (5302) abuts against the end face of the second pipe part (202).
3. The pressure reducing valve (100) of claim 2, wherein the first bushing portion (510) is disposed on the first locating surface (5301) and is received within the orifice of the first tubular portion (102), and the second bushing portion (520) is disposed on the second locating surface (5302) and is received within the orifice of the second tubular portion (202).
4. The pressure relief valve (100) of claim 2, wherein the main body portion (530) has a reference plane perpendicular to the axial direction of the positioning member, and a projection plane of the first positioning surface (5301) on the reference plane is equal to or larger than a projection plane of the second positioning surface (5302) on the reference plane.
5. The pressure relief valve (100) of claim 4, wherein the first locating surface (5301) and the second locating surface (5302) are circular surfaces, and a diameter of the first locating surface (5301) is greater than a diameter of the second locating surface (5302).
6. The pressure reducing valve (100) according to claim 2, wherein the first locating surface (5301) is provided with a first pin hole (5303), the end surface of the first pipe portion (102) is provided with a second pin hole (104), and the locating member (50) further comprises: a positioning pin (540), the positioning pin (540) being disposed on the first pin hole (5303) and the second pin hole (104).
7. The pressure reducing valve (100) according to claim 6, wherein the first pin hole (5303), the second pin hole (104), and the positioning pin (540) are provided in plurality at intervals in a circumferential direction of the first positioning surface (5301).
8. The pressure reducing valve (100) according to claim 1, wherein a first predetermined surface (101) is provided on the first housing (10) and a second predetermined surface (201) is provided on the second housing (20), and the locking assembly (2) comprises:
the positioning piece is positioned in the fixing sleeve (30), one end of the fixing sleeve (30) is sleeved on the first pipe part (102) in an outer mode, the other end of the fixing sleeve (30) is sleeved on the second pipe part (202) in an outer mode, and the fixing sleeve (30) can rotate relative to at least one of the first pipe part (102) and the second pipe part (202) so as to adjust an included angle between the first reserved surface (101) and the second reserved surface (201);
fasteners (40), said fasteners (40) being provided on both ends of said harness (30), said fasteners (40) being for securing said harness (30) to said first and second tube portions (102, 202).
9. The pressure reducing valve (100) of claim 8, wherein the first tubular portion (102) is provided with a first threaded portion (103) and the second tubular portion (202) is provided with a second threaded portion (203), the second threaded portion (203) and the first threaded portion (103) being threaded in opposite directions,
the fixing sleeve (30) is a nut, one end of the nut is connected with the first thread part (103) and the other end of the nut is connected with the second thread part (203), and a first screw hole (301) and a second screw hole (302) are formed in the nut;
the fastener (40) comprises: the first screw (410) is arranged on the first screw hole (301) and is abutted against the first thread part (103) or the first pipe part (102), and the second screw (410) is arranged on the second screw hole (302) and is abutted against the second thread part (203) or the second pipe part (202).
10. The pressure relief valve (100) of claim 1, wherein the diameter of the first bushing portion (510) is greater than the diameter of the second bushing portion (520).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385249.7U CN215635242U (en) | 2021-09-29 | 2021-09-29 | Pressure reducing valve |
| PCT/CN2022/122607 WO2023051700A1 (en) | 2021-09-29 | 2022-09-29 | Pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385249.7U CN215635242U (en) | 2021-09-29 | 2021-09-29 | Pressure reducing valve |
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| CN215635242U true CN215635242U (en) | 2022-01-25 |
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| CN202122385249.7U Active CN215635242U (en) | 2021-09-29 | 2021-09-29 | Pressure reducing valve |
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| CN (1) | CN215635242U (en) |
| WO (1) | WO2023051700A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051700A1 (en) * | 2021-09-29 | 2023-04-06 | 未势能源科技有限公司 | Pressure reducing valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039469A (en) * | 2000-05-19 | 2002-02-06 | Sanki Planning:Kk | Tube joint |
| US11940066B2 (en) * | 2018-08-30 | 2024-03-26 | Nippon Pillar Packing Co., Ltd. | Flow passage joint structure |
| CN212643601U (en) * | 2020-06-10 | 2021-03-02 | 浙江三花制冷集团有限公司 | Electric valve |
| CN212480175U (en) * | 2020-06-10 | 2021-02-05 | 浙江三花制冷集团有限公司 | Electric valve |
| CN112605200B (en) * | 2020-07-01 | 2022-10-14 | 真兰管业科技有限公司 | Pipeline flanging tool and method for quickly connecting pipe fittings through tool |
| CN214008843U (en) * | 2020-12-08 | 2021-08-20 | 未势能源科技有限公司 | Pressure reducing valve structure for vehicle and vehicle |
| CN215635242U (en) * | 2021-09-29 | 2022-01-25 | 未势能源科技有限公司 | Pressure reducing valve |
| CN216243571U (en) * | 2021-11-26 | 2022-04-08 | 未势能源科技有限公司 | Vehicle-mounted hydrogen storage pressure reducing valve and hydrogen storage system |
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2021
- 2021-09-29 CN CN202122385249.7U patent/CN215635242U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051700A1 (en) * | 2021-09-29 | 2023-04-06 | 未势能源科技有限公司 | Pressure reducing valve |
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| WO2023051700A1 (en) | 2023-04-06 |
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Effective date of registration: 20230118 Address after: No. 2299, Chaoyang South Street, Lianchi District, Baoding, Hebei, 071000 Patentee after: Weishi Energy Technology Hebei Co.,Ltd. Address before: Block B, building 12, No. 6655, Jiasong North Road, Jiading District, Shanghai, 201804 Patentee before: Weishi Energy Technology Co.,Ltd. |
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