CN201916017U - Engine and engine oil pressure limiting valve of same - Google Patents
Engine and engine oil pressure limiting valve of same Download PDFInfo
- Publication number
- CN201916017U CN201916017U CN2011200165523U CN201120016552U CN201916017U CN 201916017 U CN201916017 U CN 201916017U CN 2011200165523 U CN2011200165523 U CN 2011200165523U CN 201120016552 U CN201120016552 U CN 201120016552U CN 201916017 U CN201916017 U CN 201916017U
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- Prior art keywords
- valve
- engine oil
- pressure limiting
- oil pressure
- limiting valve
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Abstract
The utility model discloses an engine oil pressure limiting valve, which is connected onto an engine oil filter seat (1) of an engine, and comprises a sleeve-shaped valve body (2), wherein a valve port (21) and a ball sealer body (3) combined with the valve port (21) are arranged at the upper end part of the valve body (2); a first drainhole (22) used for being communicated with the valve port (21) and the inner cavity (11) of the engine oil filter seat (1) when the ball sealer body (3) is opened is also formed at the upper end part of the valve body (2); and a second drainhole (23) communicated with the inner cavity (11) of the engine oil filter seat (1) is further formed on the side wall of the inner cavity of the valve body (2) below the ball sealer body (3) when the ball sealer body (3) is opened. The structural design of the engine oil pressure limiting valve can ensure that the pressure limiting valve is opened under a set pressure, so as to improve the working stability of the pressure limiting valve. Furthermore, the utility model also discloses an engine including the engine oil pressure limiting valve.
Description
Technical field
The utility model relates to technical field of engines, particularly a kind of engine oil pressure limiting valve.In addition, the utility model also relates to a kind of motor that comprises this engine oil pressure limiting valve.
Background technique
Motor all needs enough machine oil under various rotating speeds, keeping enough engine oil pressures, thereby guarantee the lubricated of each parts of motor.If but engine oil pressure is too high, will cause problems such as oil pump overload, pipeline and parts break, therefore pressure-limit valve need be installed on motor, make the engine oil pressure maximum value of motor be no more than specified value.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the structural representation of a kind of typical engine oil pressure limiting valve in the prior art; Fig. 2 is that the AA of engine oil pressure limiting valve among Fig. 1 is to sectional view; Fig. 3 is installed to the structural representation on the oil filter seat of motor for the engine oil pressure limiting valve among Fig. 1.
As depicted in figs. 1 and 2, engine oil pressure limiting valve of the prior art comprise the valve body 2 of sleeve shape ', valve body 2 ' the upper end portion offer valve port 2 ' 1, valve port 2 ' 1 be combined with sealed spheroid 3 '; Valve body 2 ' inner chamber in be provided with elastic member 5 ', elastic member 5 ' one ends compress sealed spheroid 3 ', the other end be supported in the bonnet 4 of valve body 2 ' underpart ' on.
As shown in Figure 3, the engine oil pressure limiting valve with its valve body 2 ' be installed on oil filter seat 1 ' inner chamber 1 ' 1 in, when in-engine engine oil pressure surpasses specified value, engine oil pressure overcome elastic member 5 ' elastic force, promotion sealed spheroid 3 ' move downward, thereby open valve port 2 ' 1, this moment, machine oil was through valve port 2 ' 1, flow out by the first draining hole 2 ' 2 on the sidewall of valve body 2 ' upper end portion then, flowed to oil filter seat 1 ' inner chamber 1 ' 1, thereby reduced the pressure of in-engine machine oil.When in-engine engine oil pressure is within specified value, this moment engine oil pressure less than elastic member 5 ' elastic force, sealed spheroid 3 ' move upward reseals valve port 2 ' 1.
Yet there is following defective in above-mentioned engine oil pressure limiting valve of the prior art:
As shown in Figure 3, when sealed spheroid 3 ' unlatching valve port 2 ' 1, when machine oil is flowed out by the first draining hole 2 ' 2, part machine oil can along sealed spheroid 3 ' and valve body 2 ' inwall between the gap enter in the valve body 2 ' inner chamber of sealed spheroid 3 ' below, this part machine oil is when temperature is low, viscosity is bigger, mobile relatively poor, can not from the valve body 2 ' inner chamber of sealed spheroid 3 ' below, flow out fast, thereby this part machine oil can sealed spheroid 3 ' below valve body 2 ' inner chamber in produce a pressure, this pressure and elastic member 5 ' elastic force be the power of sealed spheroid 3 ' sealing valve port 2 ' 1 of making, this pressure and elastic member 5 ' the elastic force sum make sealed spheroid 3 ' the regulation engine oil pressure under can't open valve port 2 ' 1, thereby make in-engine engine oil pressure greater than specified value, the reliability of work relatively poor.
In view of this, how engine oil pressure limiting valve of the prior art being improved, thereby improve its reliability, is the problem that those skilled in the art need solution badly.
The model utility content
The technical problems to be solved in the utility model is for providing a kind of engine oil pressure limiting valve, and the structural design of this engine oil pressure limiting valve can guarantee that pressure-limit valve opens under the pressure of regulation, thereby effectively improves the reliability of its work.In addition, another technical problem that will solve of the utility model is for providing a kind of motor that comprises this engine oil pressure limiting valve.
For solving the problems of the technologies described above, the utility model provides a kind of engine oil pressure limiting valve, is connected on the oil filter seat of motor, comprises the valve body of sleeve shape, the sealed spheroid that the upper end portion of described valve body is provided with valve port and cooperates with described valve port; Also be provided with the first draining hole that is communicated with the inner chamber of described valve port and described oil filter seat when described sealed spheroid is opened on the sidewall of the upper end portion of described valve body; When opening, described sealed spheroid further offers the second draining hole that is communicated with the inner chamber of described oil filter seat on the sidewall of the body cavity of described sealed spheroid below.
Preferably, the quantity in the described second draining hole is a plurality of, and each described second draining hole circumferentially evenly being provided with along described valve body.
Preferably, the quantity in the described second draining hole is four.
Preferably, the quantity in the described first draining hole is four, and each described first draining hole circumferentially evenly being provided with along described valve body.
Preferably, the described second draining hole is positioned at the below in the described first draining hole, and each described second draining hole and each described first draining span setting.
Preferably, the underpart of described valve body is provided with bonnet, further is provided with elastic member in the inner chamber of described valve body, and described elastic member one end compresses described sealed spheroid, and the other end is supported on the described bonnet.
Preferably, further be provided with pad between the end face of described bonnet and described oil filter seat.
In addition, for solving the problems of the technologies described above, the utility model also provides a kind of motor, comprise oil filter seat and be located at this oil filter seat on the engine oil pressure limiting valve; Described pressure-limit valve is above-mentioned each described engine oil pressure limiting valve.
On the basis of existing technology, further offer the second draining hole that is communicated with the inner chamber of described oil filter seat on the sidewall of engine oil pressure limiting valve provided by the utility model body cavity below the described sealed spheroid when sealed spheroid is opened.Thereby when sealed spheroid is opened valve port, machine oil is gone out by the first draining orifice flow, this moment, part machine oil can enter along the gap between sealed spheroid and the valve interior wall in the body cavity of spheroid below, owing to offer the second draining hole on the sidewall of the body cavity of spheroid below, thereby this part machine oil can be gone out by the second draining orifice flow, thereby this moment spheroid below body cavity in can not produce the power of sealed spheroid closure of making, thereby make the power of sealed spheroid closure still be the elastic force of simple elastic member, thereby this pressure-limit valve can remain under the pressure of regulation and open, thereby significantly improved the reliability of work.
In addition, the motor that comprises the said engine oil pressure-limit valve provided by the utility model, the technique effect of its technique effect and said engine oil pressure-limit valve is basic identical, does not repeat them here.
Description of drawings
Fig. 1 is the structural representation of a kind of typical engine oil pressure limiting valve in the prior art;
Fig. 2 is that the AA of engine oil pressure limiting valve among Fig. 1 is to sectional view;
Fig. 3 is installed to the structural representation on the oil filter seat of motor for the engine oil pressure limiting valve among Fig. 1;
Fig. 4 is the structural representation of engine oil pressure limiting valve among a kind of embodiment of the utility model;
Fig. 5 is that the BB of engine oil pressure limiting valve among Fig. 4 is to sectional view;
Fig. 6 is installed to the structural representation on the oil filter seat of motor for the engine oil pressure limiting valve among Fig. 4.
Wherein, the corresponding relation between reference character and the component names is among Fig. 1 to Fig. 3:
1 ' oil filter seat; 1 ' 1 inner chamber; 2 ' valve body; 2 ' 1 valve ports; 2 ' 2 first draining holes; 3 ' sealed spheroid; 4 ' bonnet; 5 ' elastic member;
Corresponding relation among Fig. 4 to Fig. 6 between reference character and the component names is:
1 oil filter seat; 11 inner chambers; 2 valve bodies; 21 valve ports; 22 first draining holes; 22 second draining holes; 3 sealed spheroids; 4 bonnets; 5 elastic members; 6 pads.
Embodiment
The utility model core is for providing a kind of engine oil pressure limiting valve, and the structural design of this engine oil pressure limiting valve can guarantee that pressure-limit valve opens under the pressure of regulation, thereby effectively improves the reliability of its work.In addition, another core of the utility model is for providing a kind of motor that comprises this engine oil pressure limiting valve.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 4, Fig. 5 and Fig. 6, Fig. 4 is the structural representation of engine oil pressure limiting valve among a kind of embodiment of the utility model; Fig. 5 is that the BB of engine oil pressure limiting valve among Fig. 4 is to sectional view; Fig. 6 is installed to the structural representation on the oil filter seat of motor for the engine oil pressure limiting valve among Fig. 4.
As shown in Figure 4 and Figure 5, in one embodiment, engine oil pressure limiting valve provided by the utility model comprises the valve body 2 of sleeve shape, and the upper end portion of this valve body 2 is provided with valve port 21, and this valve port 21 is combined with the sealed spheroid 3 of pressure-limit valve; Also be provided with elastic member 5 in the inner chamber of valve body 2, these elastic member 5 one end low pressure seal spheroids 3, the other end is supported on the bonnet 4 of pressure-limit valve; In addition, as shown in Figure 4 and Figure 5, also be provided with the first draining hole 22 on the sidewall of valve body 2 upper end portions, this first draining hole 22 is communicated with the inner chamber 11 of valve port 21 and oil filter seat 1 when sealed spheroid 3 is opened.
As shown in Figure 6, the engine oil pressure limiting valve is connected on the oil filter seat 1 of motor, and this oil filter seat 1 is provided with inner chamber 11, and the engine oil pressure limiting valve is threadedly connected in this inner chamber 11 with its valve body 2.As shown in Figure 6, when in-engine engine oil pressure surpasses specified value, engine oil pressure overcomes the elastic force of elastic member 5, promoting sealed spheroid 3 moves downward, thereby open valve port 21, this moment, machine oil was through valve port 21, then by the first draining hole, 22 outflows on the sidewall of valve body 2 upper end portions, flow to the inner chamber 11 of oil filter seat 1, thereby reduced the pressure of in-engine machine oil.When in-engine engine oil pressure was within specified value, engine oil pressure was less than the elastic force of elastic member 5 at this moment, and sealed spheroid 3 moves upward, and reseals valve port 21.
Please also refer to Fig. 4, Fig. 5 and Fig. 6, on the basis of above-mentioned prior art, further offer the second draining hole 23 that is communicated with the inner chamber 11 of oil filter seat 1 on the sidewall of valve body 2 inner chambers of sealed spheroid 3 belows when sealed spheroid 3 is opened.The below in the first draining hole 22 is located in this second draining hole 23, and as shown in Figure 6, when sealed spheroid 3 is opened, that is sealed spheroid 3 is when moving downward position shown in Figure 6, and this second draining hole 23 is opened on the sidewall of valve body 2 inner chambers of sealed spheroid 3 belows this moment.
As shown in Figure 6, when sealed spheroid 3 is opened valve port 21, machine oil is flowed out by the first draining hole 22, this moment, part machine oil can enter along the gap between sealed spheroid 3 and valve body 2 inwalls in valve body 2 inner chambers of sealed spheroid 3 belows, owing to offer the second draining hole 23 on the sidewall of valve body 2 inner chambers of spheroid 3 belows, thereby this part machine oil can be flowed out by the second draining hole 23, thereby this moment sealed spheroid 3 belows valve body 2 inner chambers in can not produce the power of sealed spheroid 3 closures of making, thereby make the power of sealed spheroid 3 closures still be the elastic force of simple elastic member 5, thereby this pressure-limit valve can remain under the pressure of regulation and open, thereby significantly improved the reliability of work.
Need to prove that in the above-described embodiments, all do not limit for the shape and the quantity in the second draining hole 23, second draining hole 23 of arbitrary shape and the second draining hole 23 of any amount are all within protection domain of the present utility model.
Particularly, in order to improve the draining efficient in the second draining hole 23, the quantity in the second draining hole 23 can be for a plurality of, and these a plurality of second draining holes 23 can circumferentially evenly being provided with along valve body 2.Particularly, the quantity in this second draining hole 23 can be four.
Certainly, as shown in Figure 4 and Figure 5, the quantity in the first draining hole 22 also can be four, and the second draining hole 23 is positioned at the below in the first draining hole 22, and as shown in Figure 4, each second draining hole 23 and each first draining hole 22 are provided with at interval.This kind structural design can so that the machine oil in sealed spheroid 3 below valve bodies 2 inner chambers can be as early as possible flow out by the second draining hole 23, thereby improve the efficient that flows out; In addition, this kind structural design also can guarantee the structural strength of valve body 2.
On the basis of above-mentioned any technological scheme, can make further improvement.Particularly, as shown in Figure 6, further be provided with pad 6 between the end face of bonnet 4 and oil filter seat 1.By quantity and the thickness of adjusting this pad 6, can adjust the elastic force of elastic member 5, and then can adjust the specified value of motor inner engine oil pressure.
In addition, the utility model also provides a kind of motor, and this motor comprises oil filter seat 1, and this oil filter seat 1 is provided with the engine oil pressure limiting valve; Particularly, this engine oil pressure limiting valve is the engine oil pressure limiting valve in above-mentioned any technological scheme.Particularly, as shown in Figure 6, this oil filter seat 1 is provided with inner chamber 11, and the outer wall of the valve body 2 of pressure-limit valve is connected in by screw-thread fit on the inwall of oil filter seat 1, and the underpart of valve body 2 is again by bonnet 4 sealings then.Other parts of described motor can be with reference to prior art, and this paper no longer launches.
More than motor provided by the utility model and engine oil pressure limiting valve thereof are described in detail.Used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. an engine oil pressure limiting valve is connected on the oil filter seat (1) of motor, comprises the valve body (2) of sleeve shape, the sealed spheroid (3) that the upper end portion of described valve body (2) is provided with valve port (21) and cooperates with described valve port (21); Also be provided with the first draining hole (22) that is communicated with the inner chamber (11) of described valve port (21) and described oil filter seat (1) when described sealed spheroid (3) is opened on the sidewall of the upper end portion of described valve body (2); It is characterized in that, further offer the second draining hole (23) that is communicated with the inner chamber (11) of described oil filter seat (1) on the sidewall of valve body (2) inner chamber of described sealed spheroid (3) below when described sealed spheroid (3) is opened.
2. engine oil pressure limiting valve according to claim 1 is characterized in that the quantity in the described second draining hole (23) is a plurality of, and each described second draining hole (23) circumferentially evenly being provided with along described valve body (2).
3. as engine oil pressure limiting valve as described in the claim 2, it is characterized in that the quantity in the described second draining hole (23) is four.
4. as engine oil pressure limiting valve as described in the claim 3, it is characterized in that the quantity in the described first draining hole (22) is four, and each described first draining hole (22) circumferentially evenly being provided with along described valve body (2).
5. as engine oil pressure limiting valve as described in the claim 4, it is characterized in that the described second draining hole (23) is positioned at the below in the described first draining hole (22), and each described second draining hole (23) is provided with at interval with each described first draining hole (22).
6. as claim 1 to 5 engine oil pressure limiting valve as described in each, it is characterized in that, the underpart of described valve body (2) is provided with bonnet (4), further be provided with elastic member (5) in the inner chamber of described valve body (2), described elastic member (5) one ends compress described sealed spheroid (3), and the other end is supported on the described bonnet (4).
7. as engine oil pressure limiting valve as described in the claim 6, it is characterized in that, further be provided with pad (6) between the end face of described bonnet (4) and described oil filter seat (1).
8. motor, comprise oil filter seat (1) and be located at this oil filter seat (1) on the engine oil pressure limiting valve; It is characterized in that described engine oil pressure limiting valve is each described engine oil pressure limiting valve of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200165523U CN201916017U (en) | 2011-01-19 | 2011-01-19 | Engine and engine oil pressure limiting valve of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200165523U CN201916017U (en) | 2011-01-19 | 2011-01-19 | Engine and engine oil pressure limiting valve of same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201916017U true CN201916017U (en) | 2011-08-03 |
Family
ID=44415817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200165523U Expired - Lifetime CN201916017U (en) | 2011-01-19 | 2011-01-19 | Engine and engine oil pressure limiting valve of same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201916017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032020A (en) * | 2011-01-19 | 2011-04-27 | 潍柴动力股份有限公司 | Engine and engine oil pressure limiting valve thereof |
| CN106402629A (en) * | 2016-12-20 | 2017-02-15 | 湖南机油泵股份有限公司 | Anti-blocking high-pressure protection pressure limiting valve and engine oil pump |
-
2011
- 2011-01-19 CN CN2011200165523U patent/CN201916017U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032020A (en) * | 2011-01-19 | 2011-04-27 | 潍柴动力股份有限公司 | Engine and engine oil pressure limiting valve thereof |
| CN102032020B (en) * | 2011-01-19 | 2013-01-02 | 潍柴动力股份有限公司 | Engine and engine oil pressure limiting valve thereof |
| CN106402629A (en) * | 2016-12-20 | 2017-02-15 | 湖南机油泵股份有限公司 | Anti-blocking high-pressure protection pressure limiting valve and engine oil pump |
| CN106402629B (en) * | 2016-12-20 | 2019-01-29 | 湖南机油泵股份有限公司 | Anti- clamping stagnation high voltage protective pressure limiting valve and lubricating oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Weifang Weichai Deutz Diesel Engine Co., Ltd. Assignor: Weichai Dynamic Co., Ltd. Contract record no.: 2011990001066 Denomination of utility model: Engine and engine oil pressure limiting valve thereof Granted publication date: 20110803 License type: Exclusive License Record date: 20111129 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110803 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |