CN217328610U - Adjustable reverse closing valve - Google Patents
Adjustable reverse closing valve Download PDFInfo
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- CN217328610U CN217328610U CN202221324704.0U CN202221324704U CN217328610U CN 217328610 U CN217328610 U CN 217328610U CN 202221324704 U CN202221324704 U CN 202221324704U CN 217328610 U CN217328610 U CN 217328610U
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Abstract
An adjustable reverse shut-off valve comprises a shell assembly, a first joint, a second joint, a one-way valve, an adjusting piece, a plunger rod, a valve core and a discharge head; the plunger rod and the valve core are respectively movably arranged in the shell component, one end of the plunger rod can be abutted against the adjusting piece, the other end of the plunger rod is connected with one end of the valve core, and the other end of the valve core is connected with the discharging head; the adjusting part is adjustably mounted at the top of the shell assembly, the adjusting part can move up and down along the height direction of the shell assembly, a first air inlet cavity, a second air inlet cavity and a liquid inlet cavity are formed in the shell assembly, a first joint, a second joint and a one-way valve are respectively mounted on the shell assembly, the first joint is communicated with the first air inlet cavity, the second joint is communicated with the second air inlet cavity, and the one-way valve is communicated with the liquid inlet cavity. The utility model provides a reverse shutoff valve with adjustable according to above-mentioned content, solved the unable problem of adjusting of the volume of opening and shutting of valve body among the prior art.
Description
Technical Field
The utility model relates to a filling technical field especially relates to a reverse shutoff valve with adjustable.
Background
In the filling field, the plunger type valve body is simple to control and is suitable for filling materials, so that the plunger type valve body is widely applied to filling of viscous materials. However, in the prior art, the opening and closing amount of the valve body discharge port is fixed, namely the opening and closing degrees of the valve body discharge port, and the opening and closing amount of the valve body discharge port cannot be adjusted, so that when products of different models are produced, the valve bodies of different opening and closing amounts need to be replaced, the production efficiency is low, and the requirements of people cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reverse shutoff valve with adjustable, solved the unable problem of adjusting of the volume of opening and shutting of valve body among the prior art.
To achieve the purpose, the utility model adopts the following technical proposal:
an adjustable reverse shut-off valve comprises a shell assembly, a first joint, a second joint, a one-way valve, an adjusting piece, a plunger rod, a valve core and a discharge head;
the plunger rod and the valve core are respectively movably arranged in the shell component, one end of the plunger rod can be abutted against the adjusting piece, the other end of the plunger rod is connected with one end of the valve core, and the other end of the valve core is connected with the discharging head;
the adjusting piece is adjustably mounted at the top of the shell assembly, can move up and down along the height direction of the shell assembly, and is used for adjusting the moving stroke of the plunger rod;
the shell component is characterized in that a first air inlet cavity, a second air inlet cavity and a liquid inlet cavity are arranged in the shell component, the first air inlet cavity, the second air inlet cavity and the liquid inlet cavity are not communicated with each other, the first joint, the second joint and the one-way valve are respectively arranged on the shell component, the first joint is communicated with the first air inlet cavity, the second joint is communicated with the second air inlet cavity, and the one-way valve is communicated with the liquid inlet cavity.
Further, the plunger rod comprises a rod body, a first connecting piece and a first blocking piece, one end of the first connecting piece is connected to the rod body, and the other end of the first connecting piece is connected to the first blocking piece;
the adjusting part comprises an adjusting screw, a second connecting part and a second blocking part, one end of the second connecting part is connected to the adjusting screw, and the other end of the second connecting part is connected to the second blocking part;
the number of the second connecting pieces and the second stopping pieces is two, the two second connecting pieces are positioned on the periphery of the first stopping piece, the second stopping piece is positioned below the first stopping piece, a stroke area is formed from the top of the second stopping piece to the bottom of the adjusting screw, and the first stopping piece can move up and down in the stroke area.
In some embodiments, a first seal ring, a spacer, and a bushing assembly;
the first sealing ring and the isolating piece are respectively arranged on the rod body, the first sealing ring is positioned above the isolating piece, and the first air inlet cavity is formed between the first sealing ring and the isolating piece;
the bushing component is arranged at the joint of the rod body and the valve core, and the second air inlet cavity is formed between the bushing component and the isolating piece.
Specifically, the spacer is provided with a second sealing ring.
Preferably, the bushing assembly comprises an upper bushing, a lower bushing, a third seal ring and a fourth seal ring;
the upper bushing is connected to the lower bushing, the third sealing ring is mounted inside the upper bushing, and the fourth sealing ring is mounted inside the lower bushing.
Further, the bushing assembly further comprises a fifth sealing ring, a sixth sealing ring and a seventh sealing ring;
the fifth sealing ring is arranged on the periphery of the upper bushing, the sixth sealing ring is arranged at the joint of the upper bushing and the lower bushing, and the seventh sealing ring is arranged at the bottom of the lower bushing.
Specifically, the housing assembly includes a first housing, a second housing, a third housing, a fourth housing, and a fifth housing;
the top of the second shell is connected to the first shell, the bottom of the second shell is connected to the top of the third shell, the top of the fourth shell is connected to the bottom of the third shell, and the bottom of the fourth shell is connected to the top of the fifth shell.
Preferably, the first housing is provided with a viewing port, which is directed towards the plunger rod.
In some embodiments, the valve further comprises a guide member, the guide member is sleeved on the periphery of the valve core, and the guide member is installed inside the fourth housing.
Further, the discharge head is of a cone structure.
Compared with the prior art, one of the technical schemes has the following beneficial effects:
the moving stroke of the plunger rod is controlled through the adjusting piece, and then the opening and closing amount of the discharge hole at the bottom of the shell assembly is controlled, so that the plunger rod is suitable for production scenes of various products of different models, and the effect of improving the universality of the reverse closing valve is achieved.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a viewing port according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a reverse shutoff valve according to one embodiment of the present invention;
FIG. 4 is a schematic view of a portion of FIG. 3 at a larger scale;
fig. 5 is a schematic structural view of a partial enlarged view at B of fig. 3;
wherein: the device comprises a housing assembly 1, a first housing 11, a viewing port 111, a second housing 12, a third housing 13, a fourth housing 14, a fifth housing 15, a first joint 21, a second joint 22, a one-way valve 23, an adjusting part 3, an adjusting screw 31, a second connecting part 32, a second blocking part 33, a stroke zone 34, a plunger rod 4, a rod body 41, a first connecting part 42, a first blocking part 43, a valve core 5, a discharge head 6, a first sealing ring 7, a partition 8, a second sealing ring 81, a bushing assembly 9, an upper bushing 91, a lower bushing 92, a third sealing ring 93, a fourth sealing ring 94, a fifth sealing ring 95, a sixth sealing ring 96, a seventh sealing ring 97, a first air inlet cavity 101, a second air inlet cavity 102, an air inlet cavity 103 and a guide 104.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inner", "outer end", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In one embodiment of the present invention, as shown in fig. 1-5, an adjustable reverse shutoff valve comprises a housing assembly 1, a first connector 21, a second connector 22, a check valve 23, an adjusting member 3, a plunger rod 4, a valve core 5 and a discharge head 6; the plunger rod 4 and the valve core 5 are respectively movably arranged in the shell component 1, one end of the plunger rod 4 can be abutted against the adjusting piece 3, the other end of the plunger rod 4 is connected with one end of the valve core 5, and the other end of the valve core 5 is connected with the discharging head 6; the adjusting piece 3 is adjustably arranged at the top of the shell assembly 1, the adjusting piece 3 can move up and down along the height direction of the shell assembly 1, and the adjusting piece 3 is used for adjusting the moving stroke of the plunger rod 4; the air conditioner comprises a shell assembly 1 and is characterized in that a first air inlet cavity 101, a second air inlet cavity 102 and an air inlet cavity 103 are arranged in the shell assembly 1, the first air inlet cavity 101, the second air inlet cavity 102 and the air inlet cavity 103 are not communicated with each other, a first joint 21, a second joint 22 and a one-way valve 23 are respectively installed on the shell assembly 1, the first joint 21 is communicated with the first air inlet cavity 101, the second joint 22 is communicated with the second air inlet cavity 102, and the one-way valve 23 is communicated with the air inlet cavity 103. In this embodiment, the back-closing valve is applied in the filling field, in operation, a product, such as a liquid skin care product, is delivered to the liquid inlet chamber 103 through the one-way valve 23, and then is vented to the first connector 21, the plunger rod 4 moves downward, the plunger rod 4 drives the valve core 5 to move downward, so that the valve core 5 pushes the discharge head 6 to move downward, at this time, the bottom of the housing assembly 1 is in an open state, the product flows out from the bottom of the housing assembly 1, and then is vented to the second connector 22, the plunger rod 4 returns to a home position, the discharge head 6 returns to a home position, at this time, the bottom of the housing assembly 1 is in a closed state, the present application controls the moving stroke of the plunger rod 4 through the adjusting element 3, specifically, when the plunger rod 4 moves downward to a specific position, the adjusting element 3 blocks the plunger rod 4 from further moving downward, therefore, the purpose of controlling the moving stroke of the plunger rod 4 is achieved, further, the adjusting part 3 and the shell assembly 1 are in a threaded connection structure, when the moving stroke of the plunger rod 4 needs to be adjusted, the adjusting part 3 can be twisted to enable the adjusting part 3 to move up and down, and the opening and closing amount of a discharge hole at the bottom of the shell assembly 1 is controlled by adjusting the moving stroke of the plunger rod 4, so that the valve is suitable for production scenes of products of various models, and the effect of improving the universality of the reverse closing valve is achieved.
As shown in fig. 3, the plunger rod 4 comprises a rod body 41, a first connecting element 42 and a first blocking element 43, one end of the first connecting element 42 is connected to the rod body 41, and the other end of the first connecting element 42 is connected to the first blocking element 43; the adjusting part 3 comprises an adjusting screw 31, a second connecting part 32 and a second stopping part 33, one end of the second connecting part 32 is connected to the adjusting screw 31, and the other end of the second connecting part 32 is connected to the second stopping part 3; the number of the second connecting pieces 32 and the second stopping pieces 33 is two, the two second connecting pieces 32 are positioned on the periphery of the first stopping piece 43, the second stopping piece 33 is positioned below the first stopping piece 43, a stroke area 34 is formed from the top of the second stopping piece 33 to the bottom of the adjusting screw 31, and the first stopping piece 43 can move up and down in the stroke area 34. In this embodiment, when the plunger rod 4 moves up and down, specifically, the first blocking member 43 moves up and down in the stroke area 34, when the bottom of the first blocking member 43 abuts against the top of the second blocking member 33, the plunger rod 4 cannot move down, at this time, the reverse closing valve is in the maximum opening state, and the two second connecting members 32 are located on the outer periphery of the first blocking member 43, so that the plunger rod 4 and the adjusting member 3 are connected more stably and reliably, and are not easily separated, thereby achieving the effect of improving the structural stability of the reverse closing valve.
3-4, further comprising a first seal ring 7, a spacer 8, and a bushing assembly 9; the first sealing ring 7 and the spacer 8 are respectively mounted on the stem 41, the first sealing ring 7 is located above the spacer 8, and the first air inlet cavity 101 is formed between the first sealing ring 7 and the spacer 8; the bush component 9 is installed at the intersection of the shaft 41 and the valve core 5, and the second air inlet cavity 102 is formed between the bush component 9 and the partition 8. In this embodiment, the partition 8 and the plunger rod 4 are formed as an integral structure, the first gas inlet chamber 101 and the second gas inlet chamber 102 are separated by the partition 8, so that the first gas inlet chamber 101 and the second gas inlet chamber 102 are not communicated with each other, the second gas inlet chamber 102 and the liquid inlet chamber 103 are separated by the bushing assembly 9, so that the second gas inlet chamber 102 and the liquid inlet chamber 103 are not communicated with each other, and the first sealing ring 7 is disposed on the shaft 41, thereby achieving the effect of improving the sealing performance of the reverse shutoff valve.
As shown in fig. 3-4, the spacer 8 is provided with a second sealing ring 81. In this embodiment, the second sealing ring 81 is disposed on the partition 8, which is beneficial to improving the isolation performance of the partition 8, so that the first intake chamber 101 and the second intake chamber 102 are more difficult to communicate with each other, and the effect of improving the sealing performance of the reverse closing valve is achieved.
As shown in fig. 3-4, the bushing assembly 9 includes an upper bushing 91, a lower bushing 92, a third seal ring 93, and a fourth seal ring 94; the upper bushing 91 is connected to the lower bushing 92, the third seal ring 93 is installed inside the upper bushing 91, and the fourth seal ring 94 is installed inside the lower bushing 92. In this embodiment, the upper bushing 91 is mounted at the junction between the shaft 41 and the valve body 5, the third seal ring 93 is mounted inside the upper bushing 91, and thus gas can be prevented from flowing out from the gap between the shaft 41 and the upper bushing 91, the lower bushing 92 is mounted on the outer periphery of the valve body 5, and the fourth seal ring 94 is mounted on the lower bushing 92, and thus gas can be prevented from flowing out from the gap between the valve body 5 and the lower bushing 92, so that the effect of improving the sealing performance of the bushing assembly 9 is achieved, and when the bushing assembly 9 is disassembled into the upper bushing 91 and the lower bushing 92, the third seal ring 93 and the fourth seal ring 94 are advantageously mounted on the upper bushing 91 and the lower bushing 92, respectively, so that the effect of improving the mounting efficiency of the bushing assembly 9 is achieved.
3-4, the bushing assembly 9 further includes a fifth seal ring 95, a sixth seal ring 96, and a seventh seal ring 97; the fifth seal ring 95 is mounted on the outer periphery of the upper bushing 91, the sixth seal ring 96 is mounted on the joint between the upper bushing 91 and the lower bushing 92, and the seventh seal ring 97 is mounted on the bottom of the lower bushing 92. In this embodiment, the fifth seal ring 95 is installed on the outer periphery of the upper liner 91 to prevent gas from flowing out through the gap between the liner 91 and the housing assembly 1, the sixth seal ring 96 is installed at the joint between the upper liner 91 and the lower liner 92 to prevent gas from flowing out through the joint between the upper liner 91 and the lower liner 92, and the seventh seal ring 97 is installed at the bottom of the lower liner 92 to prevent the product in the liquid inlet chamber 103 from flowing into the lower liner 92, thereby achieving the effect of improving the sealing performance of the liner assembly 9.
As shown in fig. 2, the housing assembly 1 includes a first housing 11, a second housing 12, a third housing 13, a fourth housing 14, and a fifth housing 15; the top of the second casing 12 is connected to the first casing 11, the bottom of the second casing 12 is connected to the top of the third casing 13, the top of the fourth casing 14 is connected to the bottom of the third casing 13, and the bottom of the fourth casing 14 is connected to the top of the fifth casing 15. In this embodiment, during machining, the internal structures of the first housing 11, the second housing 12, the third housing 13, the fourth housing 14, and the fifth housing 15 are separately machined, and then sequentially assembled, so as to achieve the effect of improving the machining efficiency of the housing assembly 1.
As shown in fig. 2, the first housing 11 is provided with a viewing port 111, and the viewing port 111 is opposite to the plunger rod 4. In this embodiment, the observation port 111 is disposed in the first housing 11, so that during operation, the operating condition of the plunger rod 4 can be observed, and adjustment or maintenance can be performed in time, thereby achieving an effect of improving the operational reliability of the reverse shutoff valve.
As shown in fig. 3 and 5, the valve further includes a guide 104, the guide 104 is sleeved on the outer periphery of the valve core 5, and the guide 104 is installed inside the fourth housing 14. In this embodiment, because the length of the valve element 5 is relatively long, in order to prevent the valve element 5 from shaking during the up-and-down movement, the guide 104 is disposed inside the fourth housing 14, and the guide 104 is sleeved on the outer periphery of the valve element 5, and the guide 104 plays a guiding role, so as to ensure that the valve element 5 does not shake.
As shown in fig. 5, the discharge head 6 is arranged in a cone structure, which is beneficial to improving the fluidity of the product during discharging.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An adjustable reverse shutoff valve characterized by: the device comprises a shell component, a first joint, a second joint, a one-way valve, an adjusting piece, a plunger rod, a valve core and a discharging head;
the plunger rod and the valve core are respectively movably arranged in the shell component, one end of the plunger rod can be abutted against the adjusting piece, the other end of the plunger rod is connected with one end of the valve core, and the other end of the valve core is connected with the discharging head;
the adjusting piece is adjustably mounted at the top of the shell assembly, can move up and down along the height direction of the shell assembly, and is used for adjusting the moving stroke of the plunger rod;
the shell component is characterized in that a first air inlet cavity, a second air inlet cavity and a liquid inlet cavity are arranged in the shell component, the first air inlet cavity, the second air inlet cavity and the liquid inlet cavity are not communicated with each other, the first joint, the second joint and the one-way valve are respectively arranged on the shell component, the first joint is communicated with the first air inlet cavity, the second joint is communicated with the second air inlet cavity, and the one-way valve is communicated with the liquid inlet cavity.
2. An adjustable reverse shut-off valve according to claim 1 wherein: the plunger rod comprises a rod body, a first connecting piece and a first blocking piece, one end of the first connecting piece is connected to the rod body, and the other end of the first connecting piece is connected to the first blocking piece;
the adjusting part comprises an adjusting screw, a second connecting part and a second blocking part, one end of the second connecting part is connected to the adjusting screw, and the other end of the second connecting part is connected to the second blocking part;
the number of the second connecting pieces and the second stopping pieces is two, the two second connecting pieces are positioned on the periphery of the first stopping piece, the second stopping piece is positioned below the first stopping piece, a stroke area is formed from the top of the second stopping piece to the bottom of the adjusting screw, and the first stopping piece can move up and down in the stroke area.
3. An adjustable reverse shut-off valve according to claim 2 wherein: the first sealing ring, the isolating piece and the bushing assembly are further included;
the first sealing ring and the isolating piece are respectively arranged on the rod body, the first sealing ring is positioned above the isolating piece, and the first air inlet cavity is formed between the first sealing ring and the isolating piece;
the bushing assembly is arranged at the joint of the rod body and the valve core, and the second air inlet cavity is formed between the bushing assembly and the isolating piece.
4. An adjustable reverse shutoff valve according to claim 3 wherein: the isolating piece is provided with a second sealing ring.
5. An adjustable reverse shut-off valve according to claim 3 wherein: the bushing assembly comprises an upper bushing, a lower bushing, a third sealing ring and a fourth sealing ring;
the upper bushing is connected to the lower bushing, the third sealing ring is mounted inside the upper bushing, and the fourth sealing ring is mounted inside the lower bushing.
6. An adjustable reverse shut-off valve according to claim 5 wherein: the bushing assembly further comprises a fifth seal ring, a sixth seal ring and a seventh seal ring;
the fifth sealing ring is arranged on the periphery of the upper bushing, the sixth sealing ring is arranged at the joint of the upper bushing and the lower bushing, and the seventh sealing ring is arranged at the bottom of the lower bushing.
7. An adjustable reverse shutoff valve according to claim 1 wherein: the shell assembly comprises a first shell, a second shell, a third shell, a fourth shell and a fifth shell;
the top of the second shell is connected to the first shell, the bottom of the second shell is connected to the top of the third shell, the top of the fourth shell is connected to the bottom of the third shell, and the bottom of the fourth shell is connected to the top of the fifth shell.
8. An adjustable reverse shut-off valve according to claim 7 wherein: the first housing is provided with a viewing port which is directed towards the plunger rod.
9. An adjustable reverse shut-off valve according to claim 7 wherein: the valve core is sleeved with the guide piece, the guide piece is arranged on the periphery of the valve core, and the guide piece is installed inside the fourth shell.
10. An adjustable reverse shut-off valve according to claim 1 wherein: the discharge head is of a cone structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221324704.0U CN217328610U (en) | 2022-05-30 | 2022-05-30 | Adjustable reverse closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221324704.0U CN217328610U (en) | 2022-05-30 | 2022-05-30 | Adjustable reverse closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217328610U true CN217328610U (en) | 2022-08-30 |
Family
ID=82986389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221324704.0U Active CN217328610U (en) | 2022-05-30 | 2022-05-30 | Adjustable reverse closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217328610U (en) |
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2022
- 2022-05-30 CN CN202221324704.0U patent/CN217328610U/en active Active
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