CN111810741A - Straight-through type gas injection priming device - Google Patents
Straight-through type gas injection priming device Download PDFInfo
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- CN111810741A CN111810741A CN202010810165.0A CN202010810165A CN111810741A CN 111810741 A CN111810741 A CN 111810741A CN 202010810165 A CN202010810165 A CN 202010810165A CN 111810741 A CN111810741 A CN 111810741A
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- assembly
- gas injection
- inlet
- straight
- channel
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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
- F16L29/00—Joints with fluid cut-off means
- F16L29/02—Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied
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Abstract
The invention relates to a straight-through type gas injection and liquid injection device, which comprises a fixed assembly and a movable assembly, wherein the fixed assembly is detachably connected with an inlet of the device to be injected with gas, and the movable assembly is screwed into the fixed assembly at one end and can be screwed into the fixed assembly under the action of external force so as to prop open a check valve in the inlet to inject gas and inject liquid; the movable assembly comprises a movable shell, a valve core, a core rod and a pressure spring, wherein the movable shell is in threaded connection with the fixed assembly, an overhead head and a pipe connector interface are formed at two ends of the movable shell respectively, the valve core is arranged in the fixed assembly and is abutted against the overhead head when the movable shell is screwed in, one end of the core rod is connected to the valve core, the other end of the core rod penetrates through the pressure screw body in the fixed assembly, the pressure spring is sleeved on the core rod between the valve core and the pressure screw body, and an air inlet and liquid inlet channel is formed between the pipe. The straight-through gas injection and liquid injection device is simple in structure, small in size and convenient to operate.
Description
Technical Field
The invention relates to the technical field of fluid compensation equipment, in particular to a straight-through type gas injection and liquid injection device.
Background
In the prior art, for example, a fluid compensation device for compensating fluid in a device such as a high-pressure gas-liquid mixing device, a conventional fluid compensation device generally comprises three parts, namely an opening and closing mechanism, a liquid (gas) input passage and a liquid (gas) output passage, wherein the opening and closing mechanism is mostly complex in structure and occupies a large space, so that the liquid (gas) input passage and the liquid (gas) output passage are usually vertically arranged, the overall structure of the device is complex, heavy in weight, large in volume and low in space utilization rate, and the fluid compensation device cannot be used in some occasions with high requirements on liquid (gas) injection space.
Disclosure of Invention
In order to solve the problems, the invention provides a straight-through type gas injection and liquid injection device which is simple in structure, small in size and convenient to operate.
The technical scheme adopted by the invention is as follows: a straight-through type gas injection and liquid injection device comprises a fixed assembly detachably connected with an inlet of the device to be injected with gas and a movable assembly, wherein one end of the movable assembly is in threaded connection with the inside of the fixed assembly and can be screwed in the fixed assembly under the action of external force so as to prop open a check valve in the inlet to inject gas and liquid; the movable assembly comprises a movable shell, a valve core, a core rod and a pressure spring, wherein the movable shell is in threaded connection with the fixed assembly, an overhead head and a pipe connector interface are formed at two ends of the movable shell respectively, the valve core is arranged in the fixed assembly and is abutted against the overhead head when the movable shell is screwed in, one end of the core rod is connected to the valve core, the other end of the core rod penetrates through the pressure screw body in the fixed assembly, the pressure spring is sleeved on the core rod between the valve core and the pressure screw body, and an air inlet and liquid inlet channel is formed between the pipe connector and the inlet.
As a further limitation to the above technical solution, the straight-through liquid injection device further comprises a sealing assembly, wherein the sealing assembly comprises a sealing gasket arranged between the inlet and the pressing screw body, and a sealing ring arranged in the movable housing and the fixed assembly.
As a further limitation to the above technical solution, the intake and intake passage includes a first passage opened between the pipe joint and the overhead head, and a second passage opened on the valve core; the screw pressing body is provided with a third channel which is arranged on the circumference of the screw pressing body.
As a further limitation to the above technical solution, the first channel is a first through hole.
As a further limitation to the above technical solution, the valve core includes a cylindrical body coaxially disposed with the first channel, and an axis body integrally formed with the cylindrical body and disposed in a shape of profiling the inner cavity of the fixing component.
As a further limitation to the above technical solution, the second channel includes a plurality of second through holes provided at intervals on the outer circumferential surface of the cylindrical body and axially penetrating through the cylindrical body, respectively, and a plurality of small channels provided at intervals along the axial direction of the shaft body on the outer surface of the shaft body.
As a further limitation to the above technical solution, the third channel includes a plurality of third through holes circumferentially arranged along the core rod through hole of the compression screw body.
As a further limitation to the above technical solution, the number of the second through holes is three, and the number of the small passages is six.
As a further limitation to the above technical solution, the number of the third through holes is six.
As a further limitation to the above technical solution, the overhead head is spherically disposed.
According to the straight-through type gas injection and liquid injection device, due to the arrangement of the fixing component and the moving component, when the moving shell of the moving component is screwed in under the action of external force, the valve core is pushed by the overhead head to drive the valve rod to move towards the one-way valve, so that the gas inlet and liquid inlet channels are opened, and then fluid is input through the pipe connector, so that fluid compensation is realized, the straight-through type gas injection and liquid injection device is convenient to operate, simple in structure, greatly reduced in size and better in use effect.
Drawings
FIG. 1 is an initial state diagram of a straight-through gas injection and liquid injection device according to the present invention;
FIG. 2 is a diagram illustrating the working state of a straight-through gas injection and liquid injection apparatus according to the present invention;
FIG. 3 is a schematic structural view of the valve cartridge of the present invention;
FIG. 4 is another angular configuration of the valve cartridge of the present invention;
FIG. 5 is a schematic view of the assembly structure of the valve core and the core rod of the present invention;
fig. 6 is a schematic structural view of the snail body of the present invention.
In the figure:
1-injection device to be injected with gas, 11-inlet, 12-one-way valve, 21-fixing component, 22-movable shell, 221-overhead head, 222-pipe interface, 223-first through hole, 23-valve core, 231-cylinder body, 232-shaft body, 233-second through hole, 234-small channel, 24-core rod, 25-pressure spring, 26-pressure screw body, 261-third through hole, 262-core rod through hole, 27-sealing gasket and 28-sealing ring.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
Examples
As shown in fig. 1 to 6, a straight-through gas injection and liquid injection device has an overall structure including a fixing component 21 and a moving component, specifically, the fixing component 21 is detachably connected to an inlet 11 of a device 1 to be injected with gas, in this embodiment, the device 1 to be injected with gas is a high-pressure gas-liquid mixing device, an internal thread is formed at one end of the fixing component 21, an external thread is formed at the inlet 11 of the device 1 to be injected with gas, and the inlet 11 is screwed to the device 1 to be injected with gas.
In this embodiment, one end of the moving assembly is screwed into the fixing assembly 21 and can be screwed into the fixing assembly 21 under an external force to eject the check valve 12 in the inlet 11 for gas injection and liquid injection, specifically, as shown in fig. 1 and fig. 2, the moving assembly includes a moving housing 22, a valve core 23, a core rod 24 and a pressure spring 25, in this embodiment, two ends of the moving housing 22 are respectively formed with an overhead head 221 and a pipe interface 222, the pipe interface 222 is used for connecting an intake pipe, in this embodiment, in order to facilitate the overhead of the valve core 23, the overhead head 221 is arranged in a spherical shape, an external thread is formed on the moving housing 22 between the overhead head 221 and the pipe interface 222, an internal thread is formed on the other end of the fixing assembly 21 far from the end connected with the inlet 11, the moving housing 22 is screwed with the fixing assembly 21, one end of the fixing assembly 21 connected with the moving housing 22 is provided with a mounting hole retracting to the other end of the fixing assembly 21, three-stage stepped holes are formed in the fixing assembly 21 adjacent to the mounting holes, and the sizes of the three-stage stepped holes are sequentially increased from the pipe joint 222 direction to the inlet 11 direction.
Referring to fig. 1 and fig. 2, the valve core 23 is disposed in the fixed component 21 and abuts against the top head 221 when the movable housing 22 is screwed in, and moves toward the inlet 11 under the pushing of the top head 221, specifically, one end of the valve core 23 is installed in the installation hole through the first-stage stepped hole, one end of the core rod 24 is connected to the valve core 23, and the other end is inserted into the pressing screw 26 screwed in the fixed component 21, specifically, the pressing screw 26 is disposed in the third-stage stepped hole, and the pressure spring 25 is sleeved on the core rod 24 between the valve core 23 and the pressing screw 26.
As shown in fig. 1 and fig. 2, the straight-through liquid injection device further includes a sealing assembly, specifically, the sealing assembly includes a sealing gasket 27 disposed between the inlet 11 and the pressing screw 26, and a sealing ring 28 disposed in the movable housing 22 and the fixed assembly 21, specifically, a sealing ring mounting groove is formed in the movable housing 22 between the top head 221 and the external thread section of the movable housing 22, and the sealing ring 28 is mounted in the sealing ring mounting groove.
In this embodiment, the intake and intake channel includes a first channel opened between the pipe joint 222 and the top head 221, a second channel opened on the valve core 23, and a third channel opened on the periphery of the pressing screw body 26, specifically, the first channel is a first through hole 223, as shown in fig. 1 to 4, the valve core 23 includes a cylindrical body 231 coaxially disposed with the first channel, and a shaft body 232 integrally formed with the cylindrical body 231 and disposed in the inner cavity of the fixing component 21 in a shape of profiling, in this embodiment, the cylindrical body 231 extends into the mounting hole through the first-stage stepped hole, the shaft body 232 is disposed in the second-stage stepped hole, as shown in fig. 3 and fig. 4, the second channel includes a plurality of second through holes 233 axially penetrating the cylindrical body 231 and disposed on the outer peripheral surface of the cylindrical body 231 at intervals, and a plurality of small channels 234 axially disposed on the outer surface of the shaft body 232 at intervals along the shaft body 232, in this embodiment, there are three second through holes 233, and six small channels 234.
As shown in fig. 1 in conjunction with fig. 6, the third passage includes a plurality of third through holes 261 circumferentially disposed along the stem through hole 262 of the compression nut 26, and in this embodiment, the number of the third through holes 261 is six.
The operation process of this embodiment is that, when gas injection and liquid injection are required, the movable shell 22 is screwed by external force to move the outer shell towards the direction of the fixed component 21, the top head 221 abuts against the valve core 23 and pushes the valve core 23 to drive the core rod 24 to move towards the inlet 11 until the top head 221 abuts against the end of the mounting hole, the end of the mounting hole is arranged in a conical surface manner, in this process, the core rod 24 ejects the check valve 12 open, the pressure spring 25 compresses, and the gas and liquid inlet channel is opened, when the top head 221 abuts against the end of the mounting hole, gas or liquid injected through the pipe connector 222 enters the axis of the cylindrical body 231 through the first through hole 223, enters the second-stage stepped hole through the second through hole 233 and the small channel 234 in sequence through the axis, and enters the opening through the third through hole 261 to complete gas injection and liquid injection; when the valve needs to be closed, the shell 22 is screwed and moved reversely, the valve core 23 is reset under the action of the pressure spring 25, the one-way valve 12 is reset, and the air inlet and liquid inlet channel is closed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention by equally replacing or changing the technical idea of the present invention within the technical scope of the present invention.
Claims (10)
1. A straight-through gas injection priming device which is characterized in that: the device comprises a fixed assembly detachably connected with an inlet of a device for injecting gas and liquid, and a movable assembly, wherein one end of the movable assembly is in threaded connection with the inside of the fixed assembly and can be screwed in the fixed assembly under the action of external force so as to jack a one-way valve in the inlet open for gas injection and liquid injection; the movable assembly comprises a movable shell, a valve core, a core rod and a pressure spring, wherein the movable shell is in threaded connection with the fixed assembly, an overhead head and a pipe connector interface are formed at two ends of the movable shell respectively, the valve core is arranged in the fixed assembly and is abutted against the overhead head when the movable shell is screwed in, one end of the core rod is connected to the valve core, the other end of the core rod penetrates through the pressure screw body in the fixed assembly, the pressure spring is sleeved on the core rod between the valve core and the pressure screw body, and an air inlet and liquid inlet channel is formed between the pipe connector and the inlet.
2. A flow-through gas injection apparatus according to claim 1, wherein: the straight-through liquid injection device further comprises a sealing assembly, wherein the sealing assembly comprises a sealing gasket arranged between the inlet and the pressing screw body, and a sealing ring arranged in the movable shell and the fixing assembly.
3. A flow-through gas injection apparatus according to claim 1 or 2, wherein: the air inlet and liquid inlet channel comprises a first channel arranged between the pipe connector and the overhead head and a second channel arranged on the valve core; the screw pressing body is provided with a third channel which is arranged on the circumference of the screw pressing body.
4. A flow-through gas injection apparatus according to claim 3, wherein: the first channel is a first through hole.
5. A straight-through gas injection and liquid injection device according to claim 4, wherein: the valve core comprises a cylindrical body and an axis body, wherein the cylindrical body is coaxial with the first channel, and the axis body is integrally formed with the cylindrical body and arranged in the inner cavity of the fixed component in a profiling mode.
6. A straight-through gas injection and liquid injection device according to claim 5, wherein: the second channel comprises a plurality of second through holes which are arranged on the peripheral surface of the cylindrical body at intervals and are respectively axially communicated with the cylindrical body, and a plurality of small channels which are arranged on the outer surface of the shaft body at intervals along the axial direction of the shaft body.
7. A straight-through gas injection and liquid injection device according to claim 6, wherein: the third channel comprises a plurality of third through holes which are circumferentially arranged along the core rod penetrating hole of the compression screw body.
8. A straight-through gas injection and liquid injection device according to claim 6, wherein: the number of the second through holes is three, and the number of the small channels is six.
9. A flow-through gas injection apparatus according to claim 7, wherein: the number of the third through holes is six.
10. A flow-through gas injection apparatus according to claim 1, wherein: the overhead head is arranged in a spherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010810165.0A CN111810741A (en) | 2020-08-13 | 2020-08-13 | Straight-through type gas injection priming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010810165.0A CN111810741A (en) | 2020-08-13 | 2020-08-13 | Straight-through type gas injection priming device |
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| Publication Number | Publication Date |
|---|---|
| CN111810741A true CN111810741A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010810165.0A Pending CN111810741A (en) | 2020-08-13 | 2020-08-13 | Straight-through type gas injection priming device |
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| CN (1) | CN111810741A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849265A (en) * | 2022-06-06 | 2022-08-05 | 河北科技师范学院 | Organic chemistry experiment fractionation device |
-
2020
- 2020-08-13 CN CN202010810165.0A patent/CN111810741A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849265A (en) * | 2022-06-06 | 2022-08-05 | 河北科技师范学院 | Organic chemistry experiment fractionation device |
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