CN209804549U - Pressure switch with good sealing performance - Google Patents
Pressure switch with good sealing performance Download PDFInfo
- Publication number
- CN209804549U CN209804549U CN201920982484.2U CN201920982484U CN209804549U CN 209804549 U CN209804549 U CN 209804549U CN 201920982484 U CN201920982484 U CN 201920982484U CN 209804549 U CN209804549 U CN 209804549U
- Authority
- CN
- China
- Prior art keywords
- pipe
- pressure switch
- air inlet
- connecting pipe
- inlet pipe
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 210000001503 joint Anatomy 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
the utility model discloses a pressure switch that sealing performance is good relates to the pressure switch field, and the problem that sealed effect is not good enough when connecting to current pressure switch now proposes following scheme, and it includes the pressure switch body, and the both sides of pressure switch body have right intake pipe, left intake pipe respectively, and right intake pipe, left intake pipe all are connected with the breather pipe through coupling assembling, coupling assembling includes that an organic whole sets up the first connecting pipe at right intake pipe or left intake pipe tip, and the other end an organic whole of first connecting pipe is provided with the butt joint pipe. The utility model discloses a setting of breather pipe, first connecting pipe, butt joint pipe, first sealing washer, go-between, second connecting pipe, third sealing washer, taper sleeve pipe and second sealing washer can obtain the quadruple sealed effect when breather pipe and this body coupling of pressure switch, under multiple sealing for it is sealed effectual, and it is firm to connect, whole simple structure, and the cost of manufacture is low.
Description
Technical Field
The utility model relates to a pressure switch field especially relates to a pressure switch that sealing performance is good.
Background
With the continuous development of the society, the continuous update of scientific technology, the production and manufacturing technology of electrical appliances is more and more mature, a pressure switch is a device combined with an electrical appliance switch, when the preset fluid pressure is reached, a switch contact acts, the pressure switch is mainly applied to industrial equipment such as power plants, petrifaction industry and metallurgy industry to output alarm or control signals, the pressure switch has important application in the industrial field, can prevent the damage of important devices in production engineering, avoids the occurrence of major production accidents, and the sealing effect of the connection of the gas pressure switch is directly related to the performance reliability of products.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the sealing effect is not good enough when the existing pressure switch is connected, and providing a pressure switch with good sealing performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A pressure switch with good sealing performance comprises a pressure switch body, wherein a right air inlet pipe and a left air inlet pipe are respectively arranged on two sides of the pressure switch body, the right air inlet pipe and the left air inlet pipe are respectively connected with a vent pipe through a connecting assembly, the connecting assembly comprises a first connecting pipe integrally arranged at the end part of the right air inlet pipe or the left air inlet pipe, the other end of the first connecting pipe is integrally provided with a butt joint pipe, the vent pipe is in threaded connection with the first connecting pipe, a conical sleeve pipe is fixedly sleeved on the outer side of the vent pipe, an annular chute is arranged at the end part of the right air inlet pipe, a connecting ring is in sliding fit on the annular chute, a circular sleeve pipe sleeved on the outer side of the first connecting pipe is fixed on one side of the connecting ring, a second connecting pipe is fixed on the inner side of the circular sleeve pipe, the second, a second sealing ring sleeved on the outer side of the first connecting pipe is arranged between the ventilating pipe and the connecting ring in a cushioning mode, a first sealing ring is sleeved on the outer side of the butt-joint pipe, and one side of the first sealing ring is in contact with the inner side wall of the ventilating pipe.
Preferably, the inner side of one end, far away from the connecting ring, of the circular sleeve is provided with a conical thread, and the conical sleeve is in threaded connection with the conical thread.
Preferably, the diameter of the first connecting pipe is consistent with the diameter of the right air inlet pipe or the left air inlet pipe, a first external thread is arranged on the outer side wall of the first connecting pipe, and a first internal thread matched with the first external thread is arranged on the inner side of the end part of the vent pipe.
Preferably, the inner side of the second connecting pipe is provided with a second internal thread, and the outer side of the end part of the vent pipe is provided with a second external thread matched with the second connecting pipe.
Preferably, the length of the annular sliding chute is greater than the thickness of the connecting ring, the length of the annular sliding chute is matched with the length of the circular sleeve, and the length of the first sealing ring is greater than the length of the butt joint pipe.
Preferably, the diameters of the first sealing ring, the second sealing ring and the third sealing ring are sequentially increased, and the first sealing ring, the second sealing ring and the third sealing ring are made of rubber materials.
The utility model has the advantages that: through the setting of breather pipe, first connecting pipe, butt joint pipe, first sealing washer, go-between, second connecting pipe, third sealing washer, taper sleeve pipe and second sealing washer, can obtain quadruple sealed effect when breather pipe and pressure switch body coupling, under multiple seal for sealed effectual, just connect firmly, whole simple structure, the cost of manufacture is low.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the arrangement of the first connecting pipe of the present invention.
Reference numbers in the figures: 1 pressure switch body, 2 right intake pipes, 3 left intake pipes, 4 breather pipes, 5 annular chutes, 6 first connecting pipes, 7 butt joint pipes, 8 first sealing rings, 9 connecting rings, 10 circular sleeve pipes, 11 second connecting pipes, 12 second sealing rings, 13 tapered sleeve pipes, 14 third sealing rings and 15 tapered threads.
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.
Referring to fig. 1-2, a pressure switch with good sealing performance comprises a pressure switch body 1, wherein two sides of the pressure switch body 1 are respectively provided with a right air inlet pipe 2 and a left air inlet pipe 3, the right air inlet pipe 2 and the left air inlet pipe 3 are both connected with a vent pipe 4 through a connecting assembly, the connecting assembly comprises a first connecting pipe 6 integrally arranged at the end part of the right air inlet pipe 2 or the left air inlet pipe 3, the other end of the first connecting pipe 6 is integrally provided with a butt joint pipe 7, the vent pipe 4 is in threaded connection with the first connecting pipe 6, the outer side of the vent pipe 4 is fixedly sleeved with a conical sleeve 13, the end part of the right air inlet pipe 2 is provided with an annular chute 5, the annular chute 5 is in sliding fit with a connecting ring 9, one side of the connecting ring 9 is fixedly provided with a circular sleeve 10 sleeved at the outer side of the first connecting pipe 6, a third sealing ring 14 sleeved on the vent pipe 4 is arranged between the second connecting pipe 11 and the conical sleeve 13, a second sealing ring 12 sleeved on the outer side of the first connecting pipe 6 is arranged between the vent pipe 4 and the connecting ring 9 in a padding mode, a first sealing ring 8 is sleeved on the outer side of the butt joint pipe 7, one side of the first sealing ring 8 is contacted with the inner side wall of the vent pipe 4, a conical thread 15 is arranged on the inner side of one end, away from the connecting ring 9, of the circular sleeve 10, the conical sleeve 13 is in threaded connection with the conical thread 15, the diameter of the first connecting pipe 6 is consistent with that of the right air inlet pipe 2 or the left air inlet pipe 3, a first external thread is arranged on the outer side wall of the first connecting pipe 6, a first internal thread matched with the first external thread is arranged on the inner side of the end part of the vent pipe 4, a second internal thread is arranged on the, the length of the annular chute 5 is greater than the thickness of the connecting ring 9, the length of the annular chute 5 is matched with the length of the circular sleeve 10, the length of the first sealing ring 8 is greater than the length of the butt joint pipe 7, the diameters of the first sealing ring 8, the second sealing ring 12 and the third sealing ring 14 are sequentially increased, and the first sealing ring 8, the second sealing ring 12 and the third sealing ring 14 are made of rubber materials.
The utility model discloses when using, at first revolve breather pipe 4 on first connecting pipe 6, at this moment, breather pipe 4 and the first sealing washer 8 that 6 extrudees the butt joint pipe 7 outside of first connecting pipe obtain first heavy seal, later rotate go-between 9 and make second connecting pipe 11 in breather pipe 4 tip, third sealing washer 14 revolves on taper sleeve 13, at this in-process, go-between 9 and breather pipe 4 extrude second sealing washer 12 and accomplish the second heavy seal, second connecting pipe 11 and taper sleeve 13 extrude third sealing washer 14 and accomplish the third heavy seal, and the circular sleeve 10 and the taper sleeve 13 that set up pass through awl threaded connection, awl thread self possesses certain sealed effect, thereby can further carry out the fourth heavy seal, make the sealed effectual when breather pipe 4 is connected with pressure switch body 1 under the effect of multiple seal, and connect firmly.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A pressure switch with good sealing performance comprises a pressure switch body (1), wherein a right air inlet pipe (2) and a left air inlet pipe (3) are respectively arranged on two sides of the pressure switch body (1), the right air inlet pipe (2) and the left air inlet pipe (3) are respectively connected with a vent pipe (4) through a connecting assembly, the pressure switch is characterized in that the connecting assembly comprises a first connecting pipe (6) which is integrally arranged at the end part of the right air inlet pipe (2) or the left air inlet pipe (3), a butt joint pipe (7) is integrally arranged at the other end of the first connecting pipe (6), the vent pipe (4) is in threaded connection with the first connecting pipe (6), a conical sleeve (13) is fixedly sleeved on the outer side of the vent pipe (4), an annular chute (5) is arranged at the end part of the right air inlet pipe (2), a connecting ring (9) is in sliding fit on the annular chute (5), a circular sleeve (10) sleeved, the inboard of circular sleeve pipe (10) is fixed with second connecting pipe (11), and second connecting pipe (11) threaded connection is in the outside of breather pipe (4), be equipped with third sealing washer (14) of suit on breather pipe (4) between second connecting pipe (11) and taper sleeve pipe (13), fill up between breather pipe (4) and go-between (9) and be equipped with second sealing washer (12) of suit in the first connecting pipe (6) outside, the outside cover of butt joint pipe (7) is equipped with first sealing washer (8), the inside wall contact of one side and breather pipe (4) of first sealing washer (8).
2. The pressure switch with good sealing performance according to claim 1, wherein the inner side of one end of the circular sleeve (10) far away from the connecting ring (9) is provided with a conical thread (15), and the conical sleeve (13) is in threaded connection with the conical thread (15).
3. The pressure switch with good sealing performance according to claim 1, wherein the diameter of the first connecting pipe (6) is consistent with the diameter of the right air inlet pipe (2) or the left air inlet pipe (3), the outer side wall of the first connecting pipe (6) is provided with a first external thread, and the inner side of the end part of the vent pipe (4) is provided with a first internal thread matched with the first external thread.
4. The pressure switch with good sealing performance according to claim 1, wherein the inner side of the second connecting pipe (11) is provided with a second internal thread, and the outer side of the end part of the vent pipe (4) is provided with a second external thread matched with the second connecting pipe (11).
5. A pressure switch with good sealing performance according to claim 1, characterized in that the length of the annular chute (5) is greater than the thickness of the connecting ring (9), the length of the annular chute (5) is adapted to the length of the circular sleeve (10), and the length of the first sealing ring (8) is greater than the length of the butt joint pipe (7).
6. The pressure switch with good sealing performance according to claim 1, wherein the diameters of the first sealing ring (8), the second sealing ring (12) and the third sealing ring (14) are sequentially increased, and the first sealing ring (8), the second sealing ring (12) and the third sealing ring (14) are made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982484.2U CN209804549U (en) | 2019-06-27 | 2019-06-27 | Pressure switch with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982484.2U CN209804549U (en) | 2019-06-27 | 2019-06-27 | Pressure switch with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209804549U true CN209804549U (en) | 2019-12-17 |
Family
ID=68817620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920982484.2U Expired - Fee Related CN209804549U (en) | 2019-06-27 | 2019-06-27 | Pressure switch with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209804549U (en) |
-
2019
- 2019-06-27 CN CN201920982484.2U patent/CN209804549U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |