CN218411295U - Flowmeter with good sealing performance - Google Patents
Flowmeter with good sealing performance Download PDFInfo
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- CN218411295U CN218411295U CN202222352639.9U CN202222352639U CN218411295U CN 218411295 U CN218411295 U CN 218411295U CN 202222352639 U CN202222352639 U CN 202222352639U CN 218411295 U CN218411295 U CN 218411295U
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Abstract
The utility model relates to a flowmeter technical field just discloses a flowmeter that leakproofness is good, including surveying buret, fixed mounting survey the shell on buret and the display screen of fixed mounting terminal surface before the shell, the mounting groove has been seted up to the top face symmetry of shell, and the mounting groove is inverted circular truncated cone shape groove, and the bottom face of shell is seted up with the communicating equipment groove of mounting groove, and the equipment groove is the circular recess, install sealed piece with the detachable mode in the mounting groove, the internal face of sealed piece is hugged closely with the internal face of mounting groove, three first seal grooves of group have evenly been seted up to the lateral wall face top-down of mounting groove, and the second seal groove has been seted up to the position that the lateral wall face of sealed piece corresponds first seal groove. The utility model discloses in, set up the leakproofness that three first seal grooves of group, second seal groove and sealing washer increase seal block and mounting groove simultaneously between seal block and mounting groove.
Description
Technical Field
The utility model relates to a flowmeter technical field especially relates to a good flowmeter of leakproofness.
Background
The primary device is called a flow measuring element, which is installed in a pipe of a fluid to be measured and generates a pressure difference proportional to the flow rate (flow velocity) for the secondary device to display the flow rate. The secondary device is called a display instrument. The primary device of the differential pressure flowmeter is often a throttling device or a dynamic pressure measuring device (pitot tube, uniform velocity tube, etc.). The secondary device is various mechanical, electronic and combined differential pressure meters and is matched with a flow display instrument, and the differential pressure sensitive elements of the differential pressure meter are mostly elastic elements.
The differential pressure type flowmeter can receive great vibrations when installation and use, causes the rocking of differential pressure gauge easily, causes the leakproofness between differential pressure gauge and the shell to change.
Therefore, a flowmeter with good sealing performance is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a flowmeter that the leakproofness is good.
In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a flowmeter that leakproofness is good, including surveying buret, fixed mounting survey the display screen of buret on the shell and fixed mounting terminal surface before the shell, the mounting groove has been seted up to the top face symmetry of shell, and the mounting groove is inverted circular truncated cone shape groove, and the bottom face of shell has been seted up with the communicating equipment groove of mounting groove, and the equipment groove is the circular recess, install sealed piece with the detachable mode in the mounting groove, the internal face of sealed piece is hugged closely with the internal face of mounting groove, three first seal grooves of group have evenly been seted up to the lateral wall face top-down of mounting groove, and the second seal groove has been seted up to the position that the lateral wall face of sealed piece corresponds first seal groove, fixed mounting has the sealing washer between first seal groove and the second seal groove, the bottom face fixed mounting of sealed piece has the spring, and the bottom face fixed mounting of spring has the clamp plate, the equipment inslot is provided with the differential pressure gauge, and the bottom face of clamp plate is hugged closely with the top face of differential pressure gauge.
Preferably, a stop ring is fixedly mounted on the bottom end face of the equipment groove, the inner diameter of the stop ring is eight times of the zero-point diameter of the main body of the differential pressure gauge, and a probe part of the differential pressure gauge can penetrate through the stop ring and extend into the measuring pipe.
Preferably, the first sealing groove and the second sealing groove are both rectangular triangular grooves, and the first sealing groove and the second sealing groove can form a complete rectangular groove.
Preferably, the sealing ring is a rubber ring with a rectangular cross section and is in interference fit with the first sealing groove and the second sealing groove.
Preferably, the equipment groove has a diameter one and a half times the diameter of the main body of the differential pressure gauge.
Preferably, a threaded groove is formed in the top end face of the shell corresponding to the position around the mounting groove, the threaded groove is an internal threaded groove, a cover plate is arranged at the top end of the mounting groove, a screw is movably mounted at the position of the cover plate corresponding to the threaded groove, the screw is connected in the threaded groove in a threaded mode, and a sealing gasket is arranged on the bottom end face of the cover plate.
Preferably, the wire observation sealing block and the cover plate of the differential pressure gauge are electrically connected with the display screen.
Advantageous effects
The utility model provides a flowmeter that leakproofness is good. The method has the following beneficial effects:
(1) This flowmeter that leakproofness is good, during the use, when the differential pressure gauge takes place to rock, the spring can be cushioned rocking, avoids differential pressure gauge direct fixation in the shell, to the leakproofness production influence between differential pressure gauge and the shell, sets up the leakproofness that three first seal grooves of group, second seal groove and sealing washer increase seal block and mounting groove simultaneously between seal block and mounting groove.
(2) This flowmeter that leakproofness is good, when needs change differential pressure timing, through dismantling the screw from the thread groove, because of mounting groove and sealed piece are inverted circular truncated cone, can be very convenient take off the sealing washer with sealed piece from the mounting groove and install convenient to detach.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment still falls within the range which can be covered by the technical content disclosed by the present invention without affecting the function and the achievable purpose of the present invention.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a sectional view of the internal structure of the present invention;
fig. 3 is a three-dimensional cross-sectional view of the internal structure of the present invention.
Illustration of the drawings:
1. a measurement pipe; 2. a housing; 3. a display screen; 4. mounting grooves; 5. an equipment groove; 6. a baffle ring; 7. a differential pressure gauge; 8. a first seal groove; 9. a sealing block; 10. a second seal groove; 11. a seal ring; 12. a spring; 13. pressing a plate; 14. a cover plate; 15. a screw; 16. a thread groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example (b): a flowmeter with good sealing performance is disclosed, as shown in figures 1-3, comprising a measuring pipe 1, a housing 2 fixedly mounted on the measuring pipe 1 and a display screen 3 fixedly mounted on the front end face of the housing 2, wherein a mounting groove 4 is symmetrically formed in the top end face of the housing 2, the mounting groove 4 is an inverted circular groove, a device groove 5 communicated with the mounting groove 4 is formed in the bottom end face of the housing 2, the device groove 5 is a circular groove, a sealing block 9 is detachably mounted in the mounting groove 4, the inner wall face of the sealing block 9 is tightly attached to the inner wall face of the mounting groove 4, three groups of first sealing grooves 8 are uniformly formed in the top-down side wall face of the mounting groove 4, a second sealing groove 10 is formed in the position, corresponding to the first sealing groove 8, of the side wall face of the sealing block 9, a sealing ring 11 is fixedly mounted between the first sealing groove 8 and the second sealing groove 10, a spring 12 is fixedly mounted on the bottom end face of the sealing block 9, a pressing plate 13 is fixedly mounted on the bottom end face of the spring 12, a differential pressure gauge 7 is arranged in the device groove 5, and the differential pressure gauge 7 is tightly attached to the top end face of the differential gauge 7, when the differential gauge 7 shakes, the spring 12 can buffer the differential gauge 7 to avoid the direct impact on the housing 2, and the differential pressure gauge 7.
The bottom end face of the equipment groove 5 is fixedly provided with a baffle ring 6, the inner diameter of the baffle ring 6 is eight times of the diameter of the main body of the differential pressure gauge 7, and the probe part of the differential pressure gauge 7 can penetrate through the baffle ring 6 and extend into the measuring pipe 1.
The first sealing groove 8 and the second sealing groove 10 are both right-angled triangular grooves, and the first sealing groove 8 and the second sealing groove 10 can form a complete rectangular groove.
The sealing ring 11 is a rubber ring with a rectangular cross section and is in interference fit with the first sealing groove 8 and the second sealing groove 10, so that the sealing performance is improved.
The diameter of the equipment groove 5 is one-to-five times the diameter of the main body of the differential pressure gauge 7, so that the differential pressure gauge 7 can rock in the equipment groove 5.
The top end face of the shell 2 is provided with a thread groove 16 corresponding to the position around the mounting groove 4, the thread groove 16 is an inner thread groove, the top end of the mounting groove 4 is provided with a cover plate 14, the cover plate 14 is movably provided with a screw 15 corresponding to the position of the thread groove 16, the screw 15 is in threaded connection with the thread groove 16, the bottom end face of the cover plate 14 is provided with a sealing gasket, the screw 15 is screwed up in the thread groove 16, the cover plate 14 is tightly pressed on the sealing block 9, and the sealing block 9 is tightly attached to the mounting groove 4.
And the wire observation sealing block 9 and the cover plate 14 of the differential pressure gauge 7 are electrically connected with the display screen 3, and the penetrating part is sealed by sealant.
The utility model discloses a theory of operation: during the use, when differential pressure gauge 7 takes place to rock, spring 12 can be to rocking buffering, avoids differential pressure gauge 7 snap-on in shell 2, produces the influence to the leakproofness between differential pressure gauge 7 and the shell 2, sets up the leakproofness that three first seal grooves 8 of group, second seal groove 10 and sealing washer 11 increase seal block 9 and mounting groove 4 simultaneously between seal block 9 and mounting groove 4.
When differential pressure gauge 7 needs to be changed, through dismantling screw 15 from thread groove 16, because of mounting groove 4 and sealed piece 9 are inverted circular truncated cone, can be very convenient take off sealing washer 11 and sealed piece 9 from mounting groove 4 and install convenient to detach.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a flowmeter that leakproofness is good, is including surveying shell (2) and display screen (3) of fixed mounting terminal surface before shell (2) on surveying shell (1), fixed mounting survey buret (1), its characterized in that: mounting groove (4) have been seted up to the top face symmetry of shell (2), and mounting groove (4) are the inverted round platform groove, and the bottom face of shell (2) is seted up with communicating equipment groove (5) of mounting groove (4), and equipment groove (5) are circular groove, install sealing block (9) with the detachable mode in mounting groove (4), the internal face of sealing block (9) is hugged closely with the internal face of mounting groove (4), three first seal groove (8) of group have evenly been seted up to the side wall face top-down of mounting groove (4), and second seal groove (10) have been seted up to the position that the side wall face of sealing block (9) corresponds first seal groove (8), fixed mounting has sealing washer (11) between first seal groove (8) and second seal groove (10), the bottom face fixed mounting of sealing block (9) has spring (12), and the bottom face fixed mounting of spring (12) has clamp plate (13), be provided with differential pressure gauge (7) in equipment groove (5), the bottom face of clamp plate (13) is hugged closely with the top face of differential pressure gauge (7).
2. A flowmeter according to claim 1, wherein: the bottom end face of the equipment groove (5) is fixedly provided with a baffle ring (6), the inner diameter of the baffle ring (6) is eight times of the zero point of the diameter of the main body of the differential pressure gauge (7), and the probe part of the differential pressure gauge (7) can penetrate through the baffle ring (6) and extend into the measuring pipe (1).
3. A flowmeter having a good seal according to claim 1, wherein: the first sealing groove (8) and the second sealing groove (10) are both right-angled triangular grooves, and the first sealing groove (8) and the second sealing groove (10) can form a complete rectangular groove.
4. A flowmeter having a good seal according to claim 1, wherein: the sealing ring (11) is a rubber ring with a rectangular cross section and is in interference fit with the first sealing groove (8) and the second sealing groove (10).
5. A flowmeter having a good seal according to claim 1, wherein: the diameter of the equipment groove (5) is one-half and five times of the diameter of the main body of the differential pressure gauge (7).
6. A flowmeter having a good seal according to claim 1, wherein: the top end face of the shell (2) is provided with a thread groove (16) corresponding to the position around the mounting groove (4), the thread groove (16) is an internal thread groove, the top end of the mounting groove (4) is provided with a cover plate (14), the position of the cover plate (14) corresponding to the thread groove (16) is movably provided with a screw (15), the screw (15) is in threaded connection with the thread groove (16), and the bottom end face of the cover plate (14) is provided with a sealing gasket.
7. A flowmeter having a good seal according to claim 1, wherein: and the wire observation sealing block (9) and the cover plate (14) of the differential pressure gauge (7) are electrically connected with the display screen (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222352639.9U CN218411295U (en) | 2022-09-05 | 2022-09-05 | Flowmeter with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222352639.9U CN218411295U (en) | 2022-09-05 | 2022-09-05 | Flowmeter with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218411295U true CN218411295U (en) | 2023-01-31 |
Family
ID=85030377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222352639.9U Active CN218411295U (en) | 2022-09-05 | 2022-09-05 | Flowmeter with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218411295U (en) |
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2022
- 2022-09-05 CN CN202222352639.9U patent/CN218411295U/en active Active
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