CN218818531U - Check valve with switch indication - Google Patents
Check valve with switch indication Download PDFInfo
- Publication number
- CN218818531U CN218818531U CN202223066835.6U CN202223066835U CN218818531U CN 218818531 U CN218818531 U CN 218818531U CN 202223066835 U CN202223066835 U CN 202223066835U CN 218818531 U CN218818531 U CN 218818531U
- Authority
- CN
- China
- Prior art keywords
- valve
- rod
- valve body
- connecting rod
- pointer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000011521 glass Substances 0.000 claims description 9
- 230000009466 transformation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
- Check Valves (AREA)
Abstract
The utility model relates to a take check valve of switch instruction, including the valve body and locate valve rod and valve clack in the valve body, on the valve rod was located to the valve clack for open and shut the passageway in the valve body, the valve rod is connected in the valve body through the pivot, and the check valve still includes the pointer, and the pointer includes instruction portion and connecting rod, and the one end of instruction portion is the closed angle form, and the one end of connecting rod is connected to the other end, and the other end of connecting rod passes the casing of valve body and connects the valve rod and rotate along with the rotation of valve rod, and the coaxial setting of pivot of connecting rod and valve rod. Compared with the prior art, the utility model has the advantages of can need not the mode through dismantling the check valve and can discover, also need not any electrified transformation when the check valve takes place the normal during operation of failing such as bite.
Description
Technical Field
The utility model relates to a check valve especially relates to a check valve of band switch instruction.
Background
The check valve is a valve which is automatically opened and closed by medium flowing and is used for preventing the medium in the pipeline from flowing backwards, and is also called as a check valve. The check valve generally comprises a valve body, a valve cover, a valve rod and a valve clack, wherein a medium positively passes through a channel to jack up the valve clack and the valve rod, and the medium normally passes through the channel; when the medium reversely passes through the channel, the check valve is closed because the valve clack and the valve rod can not move reversely, thereby achieving the purpose of preventing the medium from flowing backwards.
At present, because of resistance between a valve rod and a valve body connecting piece, the check valve used for a long time is easy to jam, and the valve clack does not fall back. And, back such as the emergence jam is inside at the valve body to check valve rod and valve clack, is difficult to be surveyed personnel's discovery by the inspection, causes great loss to the system easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take check valve of switch instruction, through design one with valve rod fixed connection's pointer, and set up the instruction portion of pointer in the outside of the casing of valve body, thereby can be at valve rod pivoted in-process, it rotates together to drive outside instruction portion, and then change the instruction that the directive realization check valve state of instruction portion closed angle form one end, thereby can discover through the mode of dismantling the check valve when the check valve takes place to fail normal work such as unsmooth, also need not any electrified transformation.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a take check valve of switch instruction, includes the valve body and locates valve rod and valve clack in the valve body, the valve clack is located on the valve rod for open and shut the passageway in the valve body, the valve rod is connected in the valve body through the pivot, the check valve still includes the pointer, the pointer includes instruction portion and connecting rod, the one end of instruction portion is the closed angle form, and the other end is connected the one end of connecting rod, the other end of connecting rod passes the casing of valve body and connects the valve rod rotates along with the rotation of valve rod, and the coaxial setting of pivot of connecting rod and valve rod.
The check valve further comprises a glass cover, and the glass cover is sleeved on the outer side of the pointer.
The pointer further comprises a dial plate, and the dial plate is sleeved on the connecting rod and fixed on the outer surface of the shell of the valve body.
And the dial plate is provided with a mark pattern.
The valve body is internally provided with a limiting and supporting part for limiting the rotation angle of the valve rod.
One side of the valve clack is arranged by protruding the tail end of the valve rod.
The cross-section of valve clack is the arc, and protruding side sets up towards positive flow direction.
The root of the valve rod is bent, and the valve clack is wrapped in the valve rod.
The valve rod and the valve clack are connected through a screw.
The utility model provides a take check valve of switch instruction, includes the valve body and locates valve rod and valve clack in the valve body, the valve clack is located on the valve rod for open and shut the passageway in the valve body, the valve rod is connected in the valve body through the pivot, the check valve still includes the pointer, the pointer includes instruction portion and connecting rod, the one end of instruction portion is the closed angle form, and the other end is connected the one end of connecting rod, the other end of connecting rod the valve rod rotates along with the rotation of valve rod, the coaxial setting of pivot of connecting rod and valve rod, and the object of valve body correspond to the position of instruction portion is equipped with the observation window.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through designing a pointer with valve rod fixed connection to set up the outside at the casing of valve body with the instruction portion of pointer, thereby can drive outside instruction portion and rotate together at valve rod pivoted in-process, and then change the instruction that the direction of instruction portion closed angle form one end realized the check valve state, thereby can not need not through the mode of dismantling the check valve and can discover when the normal operating such as the check valve emergence bite, also need not any electrified transformation.
2. Through setting up the glass housing, can protect the pointer to improve holistic environmental suitability, can use under abominable operational environment.
3. The learning cost of workers can be reduced by setting the identification patterns.
4. The design of spacing supporting part can avoid the too big check failure state that leads to of valve rod turned angle.
5. The root of valve rod is the bending form, can set up the root of valve rod in being close to entry one side to save inside occupation space.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a block diagram of the valve stem of fig. 1.
FIG. 4 is a schematic diagram of a pointer panel.
Wherein: 1. the valve comprises a valve body, 2, a pointer, 3, a valve rod, 4, a valve clack, 5 and a glass housing.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The utility model provides a take check valve of switch instruction, as shown in fig. 1 to 4, including valve body 1 and locate valve rod 3 and valve clack 4 in the valve body 1, valve clack 4 is located on the valve rod 3, a passageway in the valve body 1 for opens and shuts, valve rod 3 is connected in valve body 1 through the pivot, check valve still includes pointer 2, pointer 2 includes instruction portion and connecting rod, the one end of instruction portion is the sharp horn shape, the one end of connecting rod is connected to the other end, the other end of connecting rod passes valve body 1's casing and connects valve rod 3 and rotate along with valve rod 3's rotation, and the connecting rod sets up with the pivot is coaxial of valve rod 3.
Through designing one pointer 2 with 3 fixed connection of valve rod, and set up the outside at the casing of valve body 1 with pointer 2's instruction portion, thereby can drive outside instruction portion and rotate together at 3 pivoted in-processes of valve rod, and then change the instruction that the pointing of instruction portion closed angle form one end realized the check valve state, thereby can not need not to discover through the mode of dismantling the check valve when the check valve takes place the normal work of jam etc. also need not any electrified transformation.
In some embodiments, the check valve further comprises a glass cover, the glass cover is sleeved on the outer side of the pointer 2, and the pointer 2 can be protected by arranging the glass cover 5, so that the overall environmental adaptability is improved, and the check valve can be used in severe working environments.
In some embodiments, the pointer 2 further includes a dial plate, the dial plate is sleeved on the connecting rod and fixed on the outer surface of the casing of the valve body 1, and the dial plate is provided with identification patterns, so that the learning cost of workers can be reduced by setting the identification patterns.
In some embodiments, the valve body 1 is internally provided with a limiting support part for limiting the rotation angle of the valve rod 3, and the design of the limiting support part can avoid the condition that the rotation angle of the valve rod 3 is too large to cause the non-return failure.
In some embodiments, one side of the valve flap 4 protrudes from the end of the valve rod 3, the cross section of the valve flap 4 is arc-shaped, and the protruding side is arranged towards the forward flow direction, so that the valve flap can dredge the stress around when the valve flap is in forward conduction, and can gather the stress towards the center when the valve flap is in reverse flow stopping, thereby increasing the opening rate of the valve body 1 and improving the stability in the non-return state.
In some embodiments, the root of the valve rod 3 is curved, and the valve flap 4 is wrapped inside, so that the root of the valve rod 3 can be arranged on one side close to the inlet, thereby saving the internal occupied space.
In addition, valve rod 3 and valve clack 4 pass through bolted connection, can realize dismantling the connection, make things convenient for the replacement of consumptive material. And the pointer 2 and the valve rod 3 are connected by welding, so that the connection is firmer.
The main difference between this embodiment and embodiment 1 is that the pointer 2 is partially used for observation, in embodiment 1, observation is mainly realized by a mode of externally arranging an indication part, but in this embodiment, the indication part is internally arranged, but observation is performed by a mode of arranging an observation window on a housing of the valve body 1, specifically, the check valve with switch indication comprises a valve body 1, a valve rod 3 and a valve clack 4 which are arranged in the valve body 1, the valve clack 4 is arranged on the valve rod 3 and is used for opening and closing a channel in the valve body 1, and the valve rod 3 is connected in the valve body 1 through a rotating shaft.
Except for this portion, the rest of this embodiment is the same as embodiment 1, and all combinations of the specific means in embodiment 1 can be applied to this embodiment.
Claims (10)
1. The utility model provides a take check valve of switch instruction, includes the valve body and locates valve rod and valve clack in the valve body, the valve clack is located on the valve rod for open and shut the passageway in the valve body, the valve rod is connected in the valve body through the pivot, its characterized in that, check valve still includes the pointer, the pointer includes instruction portion and connecting rod, the one end of instruction portion is the closed angle form, and the other end is connected the one end of connecting rod, the other end of connecting rod passes the casing of valve body and connects the valve rod rotates along with the rotation of valve rod, and the coaxial setting of pivot of connecting rod and valve rod.
2. The inverted valve with the switch indication function according to claim 1, further comprising a glass cover, wherein the glass cover is sleeved outside the pointer.
3. The check valve with the switch indication as claimed in claim 1, wherein the pointer further comprises a dial plate, and the dial plate is sleeved on the connecting rod and fixed on the outer surface of the housing of the valve body.
4. The check valve with switch indication of claim 3, wherein a logo pattern is arranged on the dial plate.
5. The check valve with the switch indication function as claimed in claim 1, wherein a limiting support part for limiting a rotation angle of the valve rod is arranged inside the valve body.
6. The check valve with switch indication of claim 5, wherein one side of the valve flap protrudes from the end of the valve stem.
7. The inverted valve with switch indication of claim 1, wherein the valve flap is arcuate in cross-section and the convex side is oriented in the forward flow direction.
8. The check valve with switch indication of claim 1, wherein a root of the valve stem is curved and encloses the valve flap.
9. The inverted valve with switch indication of claim 1, wherein the valve stem and flap are connected by a screw.
10. The utility model provides a take check valve of switch instruction, includes the valve body and locates valve rod and valve clack in the valve body, the valve clack is located on the valve rod for the passageway in the valve body opens and shuts, the valve rod is connected in the valve body through the pivot, its characterized in that, check valve still includes the pointer, the pointer includes instruction portion and connecting rod, the one end of instruction portion is the closed angle form, and the other end is connected the one end of connecting rod, the other end of connecting rod the valve rod rotates along with the rotation of valve rod, the coaxial setting of pivot of connecting rod and valve rod, and the object of valve body corresponding to the position of instruction portion is equipped with the observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223066835.6U CN218818531U (en) | 2022-11-18 | 2022-11-18 | Check valve with switch indication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223066835.6U CN218818531U (en) | 2022-11-18 | 2022-11-18 | Check valve with switch indication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218818531U true CN218818531U (en) | 2023-04-07 |
Family
ID=87258935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223066835.6U Withdrawn - After Issue CN218818531U (en) | 2022-11-18 | 2022-11-18 | Check valve with switch indication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218818531U (en) |
-
2022
- 2022-11-18 CN CN202223066835.6U patent/CN218818531U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20230407 Effective date of abandoning: 20231229 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20230407 Effective date of abandoning: 20231229 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |