CN219774784U - Pressure gauge sealing joint with overflow bowl - Google Patents
Pressure gauge sealing joint with overflow bowl Download PDFInfo
- Publication number
- CN219774784U CN219774784U CN202321209158.0U CN202321209158U CN219774784U CN 219774784 U CN219774784 U CN 219774784U CN 202321209158 U CN202321209158 U CN 202321209158U CN 219774784 U CN219774784 U CN 219774784U
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- Prior art keywords
- connecting rod
- overflow bowl
- overflow
- bowl
- pressure gauge
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- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 238000012795 verification Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure gauge sealing joint with an overflow bowl, which comprises a connecting rod and a connecting nut arranged at the top of the connecting rod, wherein a through hole is formed in the connecting rod along the axial direction, an external thread for connecting a verification table is formed in the lower part of the connecting rod, a wrench clamping part is arranged on a rod body of the connecting rod, the overflow bowl is movably sleeved on the rod body of the connecting rod, the overflow bowl and the wrench clamping part are in a dislocation state in the process of assembling the connecting rod and the verification table, and the wrench clamping part is exposed; after the connecting rod is assembled with the verification table, the overflow bowl slides to the periphery of the clamping part of the wrench along the rod body of the connecting rod, and the clamping part of the wrench is shielded by the overflow bowl. The utility model can solve the problem of overlong connecting rod under the condition of using the overflow bowl in the existing pressure gauge calibrating device.
Description
Technical Field
The utility model relates to the technical field of pressure gauge verification, in particular to a pressure gauge sealing joint with an overflow bowl.
Background
When the pressure gauge is used for a period of time, internal parts are worn and deformed, so that various faults or magnitude changes of the gauge can be caused, accuracy is lost, and an out-of-tolerance phenomenon is generated. In order to ensure the accuracy of the pressure gauge value, so as to achieve the purpose of indicating correct, safe and reliable operation, the pressure gauge should be subjected to periodic verification.
Due to factors such as the use environment of the pressure gauge or the selection of a verification pressure source medium, oil stains possibly exist at the joint of the pressure gauge, and during verification, if the sealing of the joint of the pressure gauge is problematic, the oil stains overflow from the joint to cause pollution to other elements of the verification equipment, and in order to keep the verification equipment clean, an overflow bowl is usually required to be arranged at the joint to catch the overflowed oil stains. The traditional overflow bowl is fixed on the connecting rod, once fixed, the connecting rod is difficult to move, however, the connecting rod needs to be assembled on the verification table, and the connecting rod can be assembled on the verification table in a sealing mode by the spanner clamping part of the connecting rod during assembling, so that the connecting rod needs to be provided with two positions, wherein one position is used for installing the overflow bowl, the other position is used for arranging the spanner clamping part, the two positions further cause excessive increase of the length of the connecting rod, and the miniaturization and the compactification of the verification device are inconvenient.
Disclosure of Invention
The utility model aims to provide a pressure gauge sealing joint with an overflow bowl, which is used for solving the problem that a connecting rod is too long when the overflow bowl is used in the existing pressure gauge calibrating device.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a manometer sealing joint with overflow bowl, includes the connecting rod and installs the coupling nut at the connecting rod top, and the connecting rod is provided with the through-hole along the axial, and the connecting rod lower part is provided with the external screw thread that is used for connecting the examination platform, and the shaft of connecting rod is provided with spanner clamping portion, and the shaft movable sleeve of connecting rod is equipped with the overflow bowl, and the connecting rod is equipped with the in-process of examination platform, and overflow bowl and spanner clamping portion are in dislocation state, and spanner clamping portion exposes; after the connecting rod is assembled with the verification table, the overflow bowl slides to the periphery of the clamping part of the wrench along the rod body of the connecting rod, and the clamping part of the wrench is shielded by the overflow bowl.
Optionally, the periphery profile of overflow bowl is bowl form structure, and the bottom central point of overflow bowl puts upwards extends and forms hollow cup joint post, the connecting rod runs through cup joint post, cup joints the annular space between post and the periphery perisporium of overflow bowl and be the overflow chamber.
Optionally, the plane where the top end of the peripheral wall of the overflow bowl is located is taken as a projection plane, the axial direction of the connecting rod is taken as a projection direction, the peripheral wall of the overflow bowl gradually expands from bottom to top, and the projection area of the connecting nut on the projection plane is covered at the maximum expansion position of the peripheral wall of the overflow bowl.
Optionally, the top of the socket post is higher than the highest face of the overflow chamber.
Optionally, the upper portion of connecting rod is equipped with the first step portion that is used for preventing that coupling nut from deviating from the connecting rod upper end, and coupling nut's inboard is equipped with the second step portion, and under connecting rod and the coupling nut assembled state, second step portion and first step portion butt.
Optionally, the draw-in groove has been seted up to the upper portion perisporium of connecting rod, and the draw-in groove is located first step below, installs the spacing rand that is used for preventing that coupling nut from deviating from downwards along the connecting rod in the draw-in groove.
Optionally, a first annular groove is formed in the top end of the connecting rod and surrounds the outer side of the through hole, and a first sealing ring is arranged in the first annular groove.
Optionally, an auxiliary wrench rotating part is coaxially arranged on the connecting nut, and the auxiliary wrench part is of an outer hexagon structure.
Optionally, the bottom of overflow bowl is provided with the oil outlet, and oil outlet department is connected with out the oil pipe way, installs out the oily valve on oil outlet or the oil pipe way.
Optionally, the sleeve joint post of overflow bowl adopts hard material, and sleeve joint post through hole's aperture slightly is greater than or equal to the external diameter of connecting rod, has seted up the second annular groove in the top of spanner card portion of holding on the connecting rod, is provided with the second sealing washer in the second annular groove, and when the spanner card portion of holding was sheltered from by the overflow bowl, overflow bowl and second sealing washer closely cooperate.
By adopting the technical scheme, the utility model has the following advantages:
according to the utility model, through the structure that the overflow bowl is arranged on the connecting rod in a position changeable manner, the two positions of the traditional connecting rod are combined into one, so that the length of the connecting rod is greatly reduced, and the compact design of the calibrating device is facilitated.
Drawings
FIG. 1 is a schematic perspective view of one embodiment of the present utility model (overflow bowl and wrench catch in a misaligned state);
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of the structure of the wrench clamping part of the present utility model in a shielded state;
fig. 6 is a schematic cross-sectional structure of fig. 5.
Reference numerals: 1. connecting rod, 11, through-hole, 12, first step portion, 13, spacing rand, 14, first annular groove, 15, the second sealing washer, 2, coupling nut, 21, second step portion, 22, auxiliary wrench rotation portion, 3, spanner clamping portion, 4, overflow bowl, 5, cup joint the post.
Detailed Description
In order to make the technical objects, technical solutions and advantageous effects of the present utility model more clear, the technical solutions of the present utility model are further described below with reference to fig. 1 to 6 and specific embodiments.
Example 1:
the utility model provides a manometer sealing joint with overflow bowl, including connecting rod 1 and installing the coupling nut 2 at connecting rod 1 top, connecting rod 1 is provided with through-hole 11 along the axial, connecting rod 1 lower part is provided with the external screw thread that is used for connecting the examination platform, coupling nut 2 rotationally overlaps and establishes on connecting rod 1, coupling nut 2 is used for connecting the outer double-screw bolt of adapter rod or pressure gauge to be examined, connecting rod 1's shaft is provided with spanner clamping portion 3, and connecting rod 1's shaft movable sleeve is equipped with overflow bowl 4, connecting rod 1 and examination platform assembly in-process, overflow bowl 4 is in dislocation state with spanner clamping portion 3, spanner clamping portion 3 exposes, in this embodiment, overflow bowl 4 is located spanner clamping portion 3 top; after the connecting rod 1 is assembled with the verification table, the overflow bowl 4 slides to the periphery of the wrench clamping part 3 along the rod body of the connecting rod 1, and subsequently receives overflow greasy dirt, and the wrench clamping part 3 is shielded by the overflow bowl 4.
When the connecting rod 1 is used, the connecting nut 2 and the overflow bowl 4 are assembled on the connecting rod 1 in sequence, the spanner clamping part 3 of the connecting rod 1 is exposed, then the connecting rod 1 is installed on the verification table, during installation, the spanner clamping part 3 on the connecting rod 1 is clamped by using a spanner to rotate, the connecting rod 1 can be screwed into the installation part of the verification table, after the connecting rod 1 is assembled with the verification table, the spanner clamping part 3 is not required to be used, the overflow bowl 4 is moved downwards, the overflow bowl 4 covers the spanner clamping part 3, and overflow greasy dirt can be received through the overflow bowl 4.
The design that overflow bowl 4 position can be changed can satisfy the position demand under overflow bowl 4 service condition and the non-service condition simultaneously, and under the overflow bowl 4 service condition, overflow bowl 4 pull open with coupling nut 2 the distance, can avoid waiting to examine manometer installation process and receive the influence, prevent during the operation hand mistake and touch overflow bowl 4, under the overflow bowl 4 non-service condition, expose spanner clamping portion 3 and do benefit to the installation of connecting rod 1.
Example 2:
this embodiment is based on embodiment 1, and only the differences from embodiment 1 will be described here.
In this embodiment, the periphery profile of overflow bowl 4 is bowl-shaped structure, and the bottom central point of overflow bowl 4 puts upwards and extends and form hollow cup joint post 5, connecting rod 1 runs through cup joint post 5, cup joints the annular space between post 5 and the periphery perisporium of overflow bowl 4 and be the overflow chamber.
Further, in this embodiment, the outer periphery of the top end of the socket post 5 is in a rounded structure, so that the overflow oil can smoothly flow into the overflow bowl 4 without being retained on the end surface of the socket post 5.
Example 3:
this embodiment is based on embodiment 2, and only the differences from embodiment 2 will be described here.
In this embodiment, the plane where the top end of the peripheral wall of the overflow bowl 4 is located is taken as a projection plane, the axial direction of the connecting rod 1 is taken as a projection direction, the peripheral wall of the overflow bowl 4 gradually expands from bottom to top, and the largest expansion part of the peripheral wall of the overflow bowl 4 covers the projection area of the connecting nut 2 on the projection plane.
In this embodiment, when the cross sections of the connecting nut 2 and the peripheral wall of the overflow bowl 4 are circular, the diameter of the largest expansion part of the peripheral wall of the overflow bowl 4 is larger than the diameter of the connecting nut 2.
The structure that the peripheral perisporium of overflow bowl 4 gradually expands from bottom to top makes the peripheral perisporium bottom shrink of overflow bowl 4, and the top expands outward, has compact advantage, and the top expands outward and can cover the projection area of coupling nut 2, is convenient for fully catch overflow oil, simultaneously, and the perisporium expands outward and also is favorable to pouring overflow oil in the overflow chamber.
Example 4:
this embodiment is based on embodiment 2, and only the differences from embodiment 2 will be described here.
In this embodiment, the top of the socket post 5 is higher than the highest surface of the overflow cavity, so as to prevent overflow oil in the overflow cavity from overflowing from the through hole of the socket post 5.
Example 5:
this embodiment is based on embodiment 1, and only the differences from embodiment 1 will be described here.
In this embodiment, the upper portion of the connecting rod 1 is provided with a first step portion 12 for preventing the connecting nut 2 from falling out from the upper end of the connecting rod 1, the inner side of the connecting nut 2 is provided with a second step portion 21, and in the assembled state of the connecting rod 1 and the connecting nut 2, the second step portion 21 is abutted against the first step portion 12, and by means of the abutment of the two step portions, the fastening reverse force of the connecting nut 2 to the adapter rod or the stud outside the pressure gauge to be detected can be provided.
Example 6:
this embodiment is based on embodiment 5, and only the differences from embodiment 5 will be described here.
In this embodiment, a clamping groove is formed in the upper peripheral wall of the connecting rod 1, the clamping groove is located below the first step portion 12, and a limiting collar 13 for preventing the connecting nut 2 from falling down along the connecting rod 1 is installed in the clamping groove.
When the connecting nut 2 is assembled on the connecting rod 1, the connecting nut 2 moves upwards from below along the connecting rod 1 until the second step part 21 abuts against the first step part 12, the connecting nut 2 cannot move upwards continuously, the clamping groove is exposed below the connecting nut 2, and the limiting clamping ring 13 is clamped into the clamping groove, so that the assembly can be completed.
Example 7:
this embodiment is based on embodiment 1, and only the differences from embodiment 1 will be described here.
In this embodiment, the top end of the connecting rod 1 and the outer side surrounding the through hole 11 are provided with a first annular groove 14, and a first sealing ring is arranged in the first annular groove 14, so that sealing assembly can be realized when the connecting nut 2 is connected with the self-joint of the pressure gauge to be detected.
Specifically, when the pressure gauge to be detected is installed, the self joint of the pressure gauge to be detected is inserted into the inner hole of the connecting nut 2, then the connecting nut 2 is screwed, so that the inner thread of the connecting nut 2 is screwed with the outer thread of the self joint of the pressure gauge to be detected until the self joint of the pressure gauge to be detected abuts against and compresses the first sealing ring, and the sealing assembly of the joint of the pressure gauge to be detected is completed.
Example 8:
this embodiment is based on embodiment 1, and only the differences from embodiment 1 will be described here.
In this embodiment, an auxiliary wrench rotating portion 22 is coaxially disposed on the connection nut 2, and the auxiliary wrench portion has an outer hexagonal structure, so that a wrench can be used for assisting in screwing the connection nut and the self-connector of the pressure gauge to be detected.
Further, in this embodiment, an anti-slip portion is provided on the outer periphery of the connection nut 2, the anti-slip portion is provided with anti-slip lines, and the auxiliary wrench portion is located below the anti-slip portion. In other embodiments, the auxiliary wrench portion is not limited to being disposed below the anti-skid portion.
Example 9:
this embodiment is based on embodiment 1, and only the differences from embodiment 1 will be described here.
In this embodiment, the bottom of overflow bowl 4 is provided with the oil outlet, and oil outlet department is connected with out the oil pipe way, installs out the oily valve on oil outlet or the oil pipe way.
The overflow oil in the overflow bowl 4 can be led into an oil supply container or a sewage draining container through the oil outlet pipeline, and the oil stain in the overflow bowl 4 can be removed without taking out the overflow bowl 4, so that the method is more convenient; the oil outlet valve can be used for guiding out overflow oil by controlling the opening and closing of the oil outlet valve when the overflow bowl 4 is full or when the oil stain is discharged.
Example 10:
the main difference between this embodiment and other embodiments is that the sleeve joint column 5 of the overflow bowl 4 is made of hard material, the aperture of the through hole of the sleeve joint column 5 is slightly larger than or equal to the outer diameter of the connecting rod 1, a second annular groove is formed above the wrench clamping part 3 on the connecting rod 1, a second sealing ring 15 is arranged in the second annular groove, when the wrench clamping part 3 is shielded by the overflow bowl 4, the overflow bowl 4 is tightly matched with the second sealing ring 15, sealing between the overflow bowl 4 and the connecting rod 1 is completed, and overflow oil stains can be prevented from flowing between the overflow bowl 4 and the connecting rod 1.
In other embodiments, the sleeve joint column 5 of the overflow bowl 4 may also be made of a composite elastic material, and in the unassembled state, the aperture of the through hole at the top end of the sleeve joint column 5 is smaller than the outer diameter of the connecting rod 1, so as to ensure that the top end of the sleeve joint column 5 can be tightly attached to the connecting rod 1 after assembly, thereby realizing the sealing effect. Simultaneously, cup joint the aperture of post 5 through hole and reduce gradually from bottom to top, this structural design is favorable to reducing cup joint post 5 other positions and connecting rod 1 in close contact with, only needs to keep cup jointing the top of post 5 and connecting rod 1 closely laminating, when realizing sealedly, further makes things convenient for the user to carry out the action of reciprocates overflow bowl 4.
The above embodiments are not limited in any way by the shape, materials, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the protection scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a manometer sealing joint with overflow bowl, includes the connecting rod and installs the coupling nut at the connecting rod top, and the connecting rod is provided with the through-hole along the axial, and the connecting rod lower part is provided with the external screw thread that is used for connecting examination platform, its characterized in that: the rod body of the connecting rod is provided with a spanner clamping part, the rod body of the connecting rod is movably sleeved with an overflow bowl, and the overflow bowl and the spanner clamping part are in a dislocation state in the process of assembling the connecting rod and the verification table, and the spanner clamping part is exposed; after the connecting rod is assembled with the verification table, the overflow bowl slides to the periphery of the clamping part of the wrench along the rod body of the connecting rod, and the clamping part of the wrench is shielded by the overflow bowl.
2. A pressure gauge sealing joint with overflow bowl as defined in claim 1, wherein: the periphery profile of overflow bowl is bowl form structure, and the bottom central point of overflow bowl puts upwards extends and forms hollow cup joint post, the connecting rod runs through cup joint post, cup joints the annular space between post and the periphery perisporium of overflow bowl and be the overflow chamber.
3. A pressure gauge sealing joint with overflow bowl as claimed in claim 2, wherein: the top end of the peripheral wall of the overflow bowl is taken as a projection surface, the axial direction of the connecting rod is taken as a projection direction, the peripheral wall of the overflow bowl gradually expands from bottom to top, and the projection area of the connecting nut on the projection surface is covered at the maximum expansion part of the peripheral wall of the overflow bowl.
4. A pressure gauge sealing joint with overflow bowl as claimed in claim 2, wherein: the top of the sleeving column is higher than the highest surface of the overflow cavity.
5. A pressure gauge sealing joint with overflow bowl as defined in claim 1, wherein: the upper portion of connecting rod is equipped with the first step portion that is used for preventing that coupling nut from deviating from the connecting rod upper end, and coupling nut's inboard is equipped with the second step portion, and under connecting rod and the coupling nut assembled state, second step portion and first step portion butt.
6. A pressure gauge sealing joint with overflow bowl as defined in claim 5, wherein: the draw-in groove has been seted up to the upper portion perisporium of connecting rod, and the draw-in groove is located first step below, installs the spacing rand that is used for preventing that coupling nut from deviating from downwards along the connecting rod in the draw-in groove.
7. A pressure gauge sealing joint with overflow bowl as defined in claim 1, wherein: the connecting rod top just encircles the outside of through-hole and has seted up first annular groove, is provided with first sealing washer in the first annular groove.
8. A pressure gauge sealing joint with overflow bowl as defined in claim 1, wherein: the connecting nut is coaxially provided with an auxiliary wrench rotating part.
9. A pressure gauge sealing joint with overflow bowl as defined in claim 1, wherein: the bottom of overflow bowl is provided with the oil outlet, and oil outlet department is connected with out the oil pipe way, installs out the oily valve on oil outlet or the oil pipe way.
10. A pressure gauge sealing joint with overflow bowl according to any of claims 2 to 9, characterized in that: the sleeve joint post of overflow bowl adopts hard material, and sleeve joint post through hole's aperture slightly is greater than or equal to the external diameter of connecting rod, has seted up the second annular groove in the top of spanner card portion of holding on the connecting rod, is provided with the second sealing washer in the second annular groove, and when the spanner card portion of holding was sheltered from by the overflow bowl, overflow bowl and second sealing washer closely cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209158.0U CN219774784U (en) | 2023-05-18 | 2023-05-18 | Pressure gauge sealing joint with overflow bowl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209158.0U CN219774784U (en) | 2023-05-18 | 2023-05-18 | Pressure gauge sealing joint with overflow bowl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774784U true CN219774784U (en) | 2023-09-29 |
Family
ID=88107084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321209158.0U Active CN219774784U (en) | 2023-05-18 | 2023-05-18 | Pressure gauge sealing joint with overflow bowl |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774784U (en) |
-
2023
- 2023-05-18 CN CN202321209158.0U patent/CN219774784U/en active Active
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