CN209959628U - Temperature measurement air release plug for closed hydraulic oil tank - Google Patents
Temperature measurement air release plug for closed hydraulic oil tank Download PDFInfo
- Publication number
- CN209959628U CN209959628U CN201920190912.8U CN201920190912U CN209959628U CN 209959628 U CN209959628 U CN 209959628U CN 201920190912 U CN201920190912 U CN 201920190912U CN 209959628 U CN209959628 U CN 209959628U
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- Prior art keywords
- hole
- oil tank
- hydraulic oil
- temperature
- connecting part
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- Withdrawn - After Issue
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 9
- 239000010720 hydraulic oil Substances 0.000 title claims description 38
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 239000000523 sample Substances 0.000 claims abstract description 40
- 238000013022 venting Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The utility model discloses a temperature measurement gassing end cap for closed hydraulic tank, including first connecting portion and the second connecting portion of dismantling the connection with first connecting portion, be equipped with the sealing plug between first connecting portion and the second connecting portion, the second connecting portion includes the second bolt body, the outside of second bolt body lower part is equipped with the second external screw thread with the female thread fit of screw hole, second bolt body bottom is inwards sunken to form second taper hole, be equipped with the perforation that is used for placing the temperature probe in the first bolt body, this application reaches the seal to the temperature probe through the deformation of sealing plug through the sealing plug that sets up elastic construction, and simultaneously this application installs the temperature probe in the hydraulic tank through the original gassing hole on the hydraulic tank for the temperature probe position is fixed, has improved measurement accuracy, and the temperature probe can be pulled out and inserted, therefore, the coded temperature probe detection line is easy to damage, and the safety performance of the arrangement is improved.
Description
Technical Field
The utility model relates to a closed hydraulic tank technical field specifically is a temperature measurement gassing end cap for closed hydraulic tank.
Background
Compared with an open hydraulic oil tank, the closed hydraulic oil tank can be added with hydraulic oil in full volume, so that the volume of the oil tank under the same volume is relatively small, and the closed hydraulic oil tank is gradually applied to industrial vehicles. The oil temperature in a hydraulic oil tank needs to be monitored when a vehicle is subjected to performance testing, a temperature probe cannot be installed in a closed oil tank due to the fact that the closed oil tank is filled with hydraulic oil, the temperature probe and a detection line are inserted into the oil tank along an oil suction pipe of the oil tank in the traditional method, then the closed oil tank is connected with a low-pressure rubber oil suction pipe, and a hose clamp is used for clamping.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature measurement gassing end cap for closed hydraulic tank to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a temperature measurement and deflation plug for a closed hydraulic oil tank comprises a first connecting part and a second connecting part detachably connected with the first connecting part, wherein a sealing plug is arranged between the first connecting part and the second connecting part, and temperature probes are inserted on the first connecting part, the sealing plug and the second connecting part;
the first connecting part comprises a first bolt body, a threaded hole for connecting the second connecting part, a first conical hole for placing a sealing plug and a first through hole for placing a temperature probe are sequentially arranged in the first bolt body, and the threaded hole, the first conical hole and the first through hole are coaxially arranged;
the second connecting part comprises a second bolt body, a second external thread matched with the internal thread of the threaded hole is arranged on the outer side of the lower part of the second bolt body, the bottom end of the second bolt body is inwards recessed to form a second taper hole, and a through hole for placing a temperature probe is formed in the first bolt body;
the sealing plug comprises an upper cone and a lower cone which are fixedly connected, the sealing plug gradually shrinks from the middle to two ends, the lower cone is inserted into a first conical hole in the first connecting portion, the upper cone is inserted into a second conical hole in the second connecting portion, a second through hole for placing a temperature probe is formed in the lower cone, and a notch for placing the temperature probe is formed in the upper cone.
As a further aspect of the present invention: and a first external thread used for being in threaded connection with a hydraulic oil tank is arranged on the outer side of the screw rod at the lower part of the first bolt body.
As a further aspect of the present invention: and a sealing ring is arranged at the lower end of the upper screw head of the first screw body.
As a further aspect of the present invention: the lower end of the upper screw head of the first screw body is provided with an annular groove, and the sealing ring is fixedly arranged in the annular groove.
As a further aspect of the present invention: the conical surface angle of the lower cone is the same as that of the first conical hole, and the conical surface angle of the upper cone is larger than that of the second conical hole.
As a further aspect of the present invention: the middle part of the sealing plug is provided with at least one sealing ring with an annular knot.
As a further aspect of the present invention: a cavity is formed in the sealing plug, the lower end of the cavity is communicated with the upper end of the second through hole, and the notch extends from the top end of the upper cone to the inner wall of the cavity.
As a further aspect of the present invention: the incision is a cross-shaped incision.
As a further aspect of the present invention: the middle part of the upper cone body is provided with a protrusion, the lower end face of the second cone-shaped hole is in pressure joint with the upper end of the protrusion, and the protrusion is of a continuous annular structure or a spaced point-shaped structure arranged on the periphery.
As a further aspect of the present invention: the threaded hole, the first taper hole, the first through hole, the notch, the second through hole, the second taper hole and the through hole are coaxially arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the sealing plug with the elastic structure is arranged, the sealing of the temperature probe is achieved through the deformation of the sealing plug, meanwhile, the temperature probe is installed in the hydraulic oil tank through the original air vent on the hydraulic oil tank, the position of the temperature probe is fixed, the measurement precision is improved, and the probe can be plugged, so that the coded temperature probe detection line is easy to damage, and the safety performance of the arrangement is improved;
2. this application pulls out the back of inserting at temperature probe, still can realize effectual sealed, has guaranteed hydraulic tank's sealed effect, and this application equipment is simple reliable moreover, can adapt the hydraulic tank of multiple different grade type, need not to modify hydraulic tank, has improved the adaptability of product.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of a first connection portion of the present invention;
fig. 3 is a schematic structural view of the sealing plug of the present invention;
fig. 4 is a cross-sectional view of the sealing plug of the present invention;
fig. 5 is a half sectional view of a second connecting portion of the present invention;
FIG. 6 is a schematic view of the temperature measurement state of the present invention;
FIG. 7 is a schematic view of the structure of the utility model in use;
in the figure: 1-a first connecting part, 11-a first bolt body, 12-a first external thread, 13-an internal thread, 14-an annular groove, 15-a threaded hole, 16-a first tapered hole, 17-a through hole, 2-a sealing ring, 3-a sealing plug, 31-a through hole, 32-a lower cone, 33-a sealing ring, 34-an upper cone, 35-a notch, 36-a bulge, 4-a second connecting part, 41-a second bolt body, 42-a second external thread, 43-a cylindrical end, 44-a through hole, 45-a second tapered hole, 5-a temperature probe and 6-a hydraulic oil tank.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-7, in an embodiment of the present invention, a temperature measurement deflation plug for a closed hydraulic oil tank includes a first connection portion 1 and a second connection portion 4 detachably connected to the first connection portion 1, a sealing plug 3 is disposed between the first connection portion 1 and the second connection portion 4, a temperature probe 5 is inserted on the first connection portion 1, the sealing plug 3 and the second connection portion 4, and the first connection portion 1 is detachably connected to a housing of the hydraulic oil tank 6;
the first connecting part 1 comprises a first bolt body 11, the first bolt body 11 comprises a screw rod and a bolt head, a first external thread 12 for being in threaded connection with the hydraulic oil tank 6 is arranged on the outer side of the screw rod, an annular groove 14 is arranged at the position, close to the screw rod, of the lower end of the bolt head, a sealing ring 2 is detachably connected to the inner shell of the annular groove 14, the first connecting part 1 can be further in sealed connection with the hydraulic oil tank 6 through the sealing ring 2, a threaded hole 15 for being connected with the second connecting part 4, a first conical hole 16 for placing a sealing plug 3 and a first through hole 17 for placing a temperature probe 5 are sequentially arranged in the first bolt body 11, the threaded hole 15, the first conical hole 16 and the first through hole 17 are coaxially arranged, and the cone angle of the first conical hole;
the second connecting part 4 comprises a second bolt body 41, a second external thread 42 matched with the internal thread of the threaded hole 15 is arranged on the outer side of the lower part of the second bolt body 41, the second connecting part 4 is in threaded connection with the first connecting part 1 through the matching of the second external thread 42 of the second connecting part 4 and the internal thread 13, the bottom end of the second bolt body 41 is inwards recessed to form a second conical hole 45, the conical angle of the second conical hole 45 is 30 degrees, and a through hole 44 used for placing a temperature probe is arranged in the second bolt body 41;
the sealing plug 3 is of an elastic rubber structure, the sealing plug 3 comprises an upper cone 34 and a lower cone 32 which are fixedly connected, the sealing plug 3 gradually shrinks from the middle to two ends, the angles of the conical surfaces of the upper cone 34 and the lower cone 32 are both 60 degrees, a sealing ring 33 of an annular structure is arranged at the joint of the lower cone 32 and the upper cone 34, in the embodiment, two sealing rings 33 of the annular structure are arranged in parallel, the lower cone 32 is inserted into a first conical hole 16 on the first connecting part 1, the upper cone 34 is inserted into a second conical hole 45 on the second connecting part 4, a protrusion 36 is arranged in the middle of the upper cone 34, the lower end surface of the second conical hole 45 is connected to the upper end of the protrusion 36 in a pressing manner, the protrusion 36 is of a continuous annular structure or a circumferentially arranged spaced point-shaped structure in the embodiment, the protrusion 36 is a point-shaped protrusion arranged at intervals, a cavity is arranged inside the sealing plug 3, a second through hole 31 for, a cut 35 for placing the temperature probe 5 is arranged in the upper cone 34, the lower end of the cavity is communicated with the upper end of the second through hole 31, the cut 35 extends from the top end of the upper cone 34 to the inner wall of the cavity, and a vertically through channel for placing the temperature probe 5 is formed on the sealing plug 3 through the cut 35, the cavity and the second through hole 31;
meanwhile, the threaded hole 15, the first taper hole 16, the first through hole 17, the notch 35, the second through hole 31, the second taper hole 45 and the through hole 44 are coaxially arranged, so that the temperature probe 5 can sequentially pass through the through hole 44, the second taper hole 45, the notch 35, the second through hole 31, the first taper hole 16 and the first through hole 17, and further the temperature probe 5 and a connecting line on the temperature probe 5 can be inserted into the hydraulic oil tank 6 through the outer side of the hydraulic oil tank 6.
When the utility model is used, the first connecting part 1 is arranged on the air vent of the hydraulic oil tank 6 through the first external thread 12, and then is screwed up through the thread, because the sealing ring 2 is arranged at the joint of the first connecting part 1 and the hydraulic oil tank 6, the sealing performance of the joint of the first connecting part 1 and the hydraulic oil tank 6 can be ensured, then the lower cone 32 of the sealing plug 3 is placed in the first conical hole 16, because the conical angles of the first conical hole 16 and the lower cone 32 are the same and are 60 degrees, the sealing plug can be tightly attached, then the second connecting part 4 is connected to the first connecting part 1, so that the bottom of the second conical hole 45 at the lower end of the second connecting part 4 is contacted with the upper end of the protrusion 36, then the temperature probe 5 sequentially passes through the perforation 44, the second conical hole 45, the incision 35, the second through hole 31, the first conical hole 16 and the first through hole 17, and the state is as shown in figure 7, then the second connecting part 4 is screwed, so that the second taper hole 45 in the second connecting part 4 extrudes the upper cone 34 downwards, the upper cone 34 deforms under the action of pressure, namely, the upper cone contracts in the pressure direction and extends in the direction vertical to the pressure, so that under the action of deformation of the sealing plug 3, the through hole 31 at the lower end of the sealing plug 3 extrudes the outer surface of the temperature probe 5 inserted in the through hole 31, and further surface sealing between the sealing plug 3 and the temperature probe 5 can be formed, due to extension of the sealing plug 3 in the horizontal direction, the sealing ring 33 extrudes the inner wall of the threaded hole 15 on the first bolt body 11, and further surface sealing is formed between the first connecting part 3 and the first connecting part 1, and therefore effective sealing between the temperature probe 5 and the hydraulic oil tank 6 is achieved through three groups of surface sealing of the first connecting part 1 and the hydraulic oil tank 6, the sealing plug 3 and the first connecting part 1, and the temperature probe 5, the temperature of the hydraulic oil in the hydraulic oil tank 6 can be detected;
after the temperature detection is finished, the second connecting part 4 is rotated to enable the second connecting part 4, the sealing plug 3 and the first connecting part 1 to be in a loose state, then the temperature probe 5 is taken out, the second connecting part 4 is screwed, because the top end of the sealing plug 3 is the notch 35 with the cross-shaped structure, after the temperature probe 5 is pulled out, the upper cone 34 rebounds and merges under the elastic action, and further a sealing structure is formed at the upper cone 34, and simultaneously the second connecting part 4 is screwed, the second cone hole 45 at the lower end of the second connecting part 4 extrudes the protrusion 36 on the upper cone 34, so that an inward contraction pressure is formed on the upper cone 34, and the sealing effect at the notch 35 is further improved, at the moment, the effective sealing at the air vent of the hydraulic oil tank 6 is achieved through the sealing at three positions of the first connecting part 1 and the hydraulic oil tank 6, and the sealing plug 3, the first connecting part 1 and, when needing to refuel hydraulic tank 5, only need rotatory first connecting portion 1 for the face seal of first connecting portion 1 and hydraulic tank 6 department is inefficacy, and the gas in the oil tank can spill over from this place this moment, and then can refuel hydraulic tank 6.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The temperature measurement and deflation plug for the closed hydraulic oil tank is characterized by comprising a first connecting part (1) and a second connecting part (4) detachably connected with the first connecting part (1), wherein a sealing plug (3) is arranged between the first connecting part (1) and the second connecting part (4), and temperature probes (5) are inserted into the first connecting part (1), the sealing plug (3) and the second connecting part (4);
the first connecting part (1) comprises a first bolt body (11), a threaded hole (15) for connecting the second connecting part (4), a first conical hole (16) for placing the sealing plug (3) and a first through hole (17) for placing the temperature probe (5) are sequentially formed in the first bolt body (11), and the threaded hole (15), the first conical hole (16) and the first through hole (17) are coaxially arranged;
the second connecting part (4) comprises a second bolt body (41), a second external thread (42) matched with the internal thread of the threaded hole (15) is arranged on the outer side of the lower part of the second bolt body (41), the bottom end of the second bolt body (41) is inwards recessed to form a second taper hole (45), and a through hole (44) for placing a temperature probe is formed in the second bolt body (41);
the sealing plug (3) comprises an upper cone (34) and a lower cone (32) which are fixedly connected, the sealing plug (3) gradually shrinks from the middle to two ends, the lower cone (32) is inserted into a first tapered hole (16) in the first connecting portion (1), the upper cone (34) is inserted into a second tapered hole (45) in the second connecting portion (4), a second through hole (31) for placing the temperature probe (5) is formed in the lower cone (32), and a notch (35) for placing the temperature probe (5) is formed in the upper cone (34).
2. The temperature-measuring and air-releasing plug for the closed hydraulic oil tank as claimed in claim 1, wherein a first external thread (12) for threaded connection with the hydraulic oil tank is arranged on the outer side of the lower screw of the first bolt body (11).
3. The temperature-measuring and air-releasing plug for the closed hydraulic oil tank as claimed in claim 1, wherein the lower end of the upper screw head of the first bolt body (11) is provided with a sealing ring (2).
4. The temperature-measuring and air-releasing plug for the closed hydraulic oil tank as claimed in claim 3, characterized in that the lower end of the upper screw head of the first bolt body (11) is provided with an annular groove (14), and the sealing ring (2) is fixedly arranged in the annular groove (14).
5. The plug for measuring the temperature and venting of a closed hydraulic tank according to claim 1, wherein the angle of the conical surface of the lower cone (32) is the same as the angle of the conical surface of the first tapered hole (16), and the angle of the conical surface of the upper cone (34) is greater than the angle of the conical surface of the second tapered hole (45).
6. The temperature-measuring and air-releasing plug for a closed hydraulic oil tank as claimed in claim 1, characterized in that the sealing plug (3) is provided in its middle with at least one annularly-joined sealing ring (33).
7. The temperature-measuring and air-releasing plug for the closed hydraulic oil tank is characterized in that a cavity is formed in the sealing plug (3), the lower end of the cavity is communicated with the upper end of the second through hole (31), and the notch (35) extends from the top end of the upper cone (34) to the inner wall of the cavity.
8. The temperature-measuring and air-releasing plug for the closed hydraulic oil tank as claimed in claim 1, characterized in that the cut (35) is a cross-shaped cut.
9. The temperature-measuring and air-releasing plug for the closed hydraulic oil tank as claimed in claim 1, wherein a protrusion (36) is arranged in the middle of the upper cone (34), the lower end surface of the second cone-shaped hole (45) is pressed on the upper end of the protrusion (36), and the protrusion (36) is of a continuous annular structure or a circumferentially arranged spaced dot-shaped structure.
10. The temperature-measuring and air-releasing plug for the closed hydraulic oil tank is characterized in that the threaded hole (15), the first tapered hole (16), the first through hole (17), the notch (35), the second through hole (31), the second tapered hole (45) and the through hole (44) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920190912.8U CN209959628U (en) | 2019-02-12 | 2019-02-12 | Temperature measurement air release plug for closed hydraulic oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920190912.8U CN209959628U (en) | 2019-02-12 | 2019-02-12 | Temperature measurement air release plug for closed hydraulic oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959628U true CN209959628U (en) | 2020-01-17 |
Family
ID=69237101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920190912.8U Withdrawn - After Issue CN209959628U (en) | 2019-02-12 | 2019-02-12 | Temperature measurement air release plug for closed hydraulic oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737118A (en) * | 2019-02-12 | 2019-05-10 | 安徽合力股份有限公司 | A kind of thermometric expanding plug for closed type hydraulic oil tank |
-
2019
- 2019-02-12 CN CN201920190912.8U patent/CN209959628U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737118A (en) * | 2019-02-12 | 2019-05-10 | 安徽合力股份有限公司 | A kind of thermometric expanding plug for closed type hydraulic oil tank |
| CN109737118B (en) * | 2019-02-12 | 2024-02-09 | 安徽合力股份有限公司 | Temperature-measuring and air-discharging plug for closed hydraulic oil tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200117 Effective date of abandoning: 20240209 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200117 Effective date of abandoning: 20240209 |