CN203413230U - Pressure-regulating device in pressure relief channel of one-rod maneuvering valve - Google Patents
Pressure-regulating device in pressure relief channel of one-rod maneuvering valve Download PDFInfo
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- CN203413230U CN203413230U CN201320473211.8U CN201320473211U CN203413230U CN 203413230 U CN203413230 U CN 203413230U CN 201320473211 U CN201320473211 U CN 201320473211U CN 203413230 U CN203413230 U CN 203413230U
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Abstract
The utility model provides a pressure-regulating device in a pressure relief channel of a one-rod maneuvering valve, belonging to the technical field of agricultural mechanical equipment and solving the problem that an existing pressure regulating mode is not convenient to use in the hands of a user. The pressure-regulating device comprises a spring which is arranged between a valve core bar and a valve body and ensures that the valve core bar has certain pressure to abut against a fuel outlet of a fuel outlet channel, the other end of the spring abuts against a spring seat, and the spring seat abuts against the valve body through a screw and is connected to the valve body in a spiral mode by the screw. According to the pressure-regulating device in the pressure relief channel of the one-rod maneuvering valve, a spring seat abuts against the valve body through the screw and is connected to the valve body in a spiral mode by the screw, and the axial progress of the spring seat on the valve body can realize stepless regulation of pressure value of the spring, therefore, the structure is simple, and the operation is convenient.
Description
Technical field
The utility model belongs to agricultural machinery equipment technical field, relates to the pressure regulator in an a kind of lever operation valve pressure release passage.
Background technique
Grain combine is called for short combine-harvester, gathers in exactly the combination machine of crops, is harvesting, threshing, the separated cane that can once complete cereal crops, removes the operations such as assorted excess, directly obtains the harvest machinery of grain from field.
Before combine-harvester does not occur; threshing machine and these apparatuses of mechanical harvesting machine; agricultural productivity while greatly improving for 19th century; this makes to use and than few in the past workman, removes to gather in more cereal and become possibility, but an invention of 19 th century later has further improved this efficiency; combine-harvester is combined in one whole harvesting and threshing machine; make peasant go harvesting and threshing with single operation, thereby saved manpower and materials, greatly alleviated peasant's burden.
Combine-harvester is that in farm machinery, structure is the most complicated, scientific and technological content is higher, and manufacturing technology level requires very tight product.In combine-harvester, generally all by a bar driven valve, control the cutting of combine-harvester, threshing, separated, the running of the operation mechanisms such as unloading, in an existing bar driven valve safe pressure relief device, generally comprise on a bar driven valve valve body and offer pressure release passage, on pressure release passage, be provided with split type spool one and spool two, described spool one abuts against the oil outlet place of pressure release passage, spool two is positioned on the spring seat of valve interior wall, between valve body one and valve body two, be provided with the spring that energy spool one abuts against the oil outlet place of above-mentioned pressure release passage under certain pressure, on valve body wall, be also fixedly bolted with valve gap, above-mentioned spring seat is arranged in described valve gap.For different environment, the force value of setting in pressure release passage is different, and force value in setting pressure release passage is to change the force value of setting by changing the axial distance of spring, in above-mentioned structure, people need to open valve gap while needing to change the force value of setting, and between spring one end and spring seat, shell tool is realized the function of pressure regulation, with pad, carry out pressure regulation, to the bad control of pressure regulating, after adjusting, sometimes pressure is too much, and sometimes pressure is inadequate; Above-mentioned this voltage regulating mode is used very inconvenient in client's hand, when opening valve gap, can cause dirt to fall in valve body, the stuck valve rod of meeting when serious, and leakage rate is large, and loading can not promote, and also has degradation series of problems under loading.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, does not need to open valve gap while having proposed a kind of pressure regulation, and pressure regulation is the pressure regulator in a lever operation valve pressure release passage easily.
The purpose of this utility model can realize by following technical proposal: the pressure regulator in an a kind of lever operation valve pressure release passage, this lever operation valve comprises valve body and is opened in oil inlet passage and the oil discharge passage on valve body, on valve body, be provided with the valve rod that makes above-mentioned oil inlet passage and oil discharge passage be communicated with or block, described valve rod relative valve body on valve body is done axial sliding movement, on valve body, also offer the pressure release asphalt channel being connected with above-mentioned oil discharge passage together, be positioned to be provided with on the valve interior wall on pressure release asphalt channel and reach the core bar that a setting value is connected oil discharge passage and pressure release asphalt channel when oil discharge passage oil liquid pressure, described core bar withstands on above-mentioned oil discharge passage oil outlet place, it is characterized in that, this pressure regulator is included between core bar and valve body and is provided with and makes core bar have the spring that certain pressure is resisted against above-mentioned oil discharge passage oil outlet place, the other end of described spring is resisted against on spring seat, this spring seat is conflicted by screw rod and is connected on above-mentioned valve body by screw spiral.
Pressure regulator in this lever operation valve pressure release passage is mainly by spring seat, by screw rod, conflict and be connected on valve body by screw spiral, then spring seat abuts against spring, the adjusting of the axial displacement of spring seat and valve body is exactly the force value of Regulation spring, the axial progress of this spring seat on valve body can be carried out step-less adjustment to the force value of spring, simple in structure, easy to operate.
In pressure regulator in an above-mentioned a kind of lever operation valve pressure release passage, described core bar comprises working end, on working end, offer the ball core groove of indent, on described ball core groove, be placed with the spherical spool that is resisted against above-mentioned oil discharge passage oil outlet place, the lower end of described working end has spring locating column, and above-mentioned spring one end is set on above-mentioned spring locating column and abuts against working end.By locating column, spring is carried out to radial location, prevent spring radial-play in use.
In pressure regulator in an above-mentioned a kind of lever operation valve pressure release passage, on the valve body wall relative with above-mentioned spring, spiral is connected with screw rod, and above-mentioned spring seat is positioned at the top of screw rod and leans with the spiral end of screw rod.
In pressure regulator in an above-mentioned a kind of lever operation valve pressure release passage, described screw rod outer end offers inner spiral hole.
In pressure regulator in an above-mentioned a kind of lever operation valve pressure release passage, described spring seat comprises upper spring seat and lower spring cup, the upper surface of described upper spring seat has spring positioning rod, the other end of above-mentioned spring is set on described spring positioning rod and abuts against upper spring seat, between described upper spring seat and lower spring cup, by attachment post, is connected mutually.The object that this spring seat is divided into upper spring seat and lower spring cup is to make when the spiral progress of Regulation spring seat, does not have influence on spacing to spring of upper spring seat.
In pressure regulator in an above-mentioned a kind of lever operation valve pressure release passage, on described upper spring seat and the attachment post between lower spring cup, be provided with ring-shaped rubber pad.
In pressure regulator in an above-mentioned a kind of lever operation valve pressure release passage, described screw rod is fixed on above-mentioned valve body wall by the mode being spirally connected, and between this screw rod and valve body wall, is provided with sealing gasket.
Compared with prior art, pressure regulator in this lever operation valve pressure release passage is mainly by spring seat, by screw rod, conflict and be connected on valve body by screw spiral, the axial progress of spring seat on valve body can be carried out step-less adjustment to the force value of spring, simple in structure, easy to operate.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this lever operation valve.
In figure, 1, valve body; 2, oil inlet passage; 3, oil discharge passage; 4, valve rod; 5, pressure release asphalt channel; 6, core bar; 6a, working end; 6b, ball core groove; 7, spring; 8, spherical spool; 9, spring locating column; 10, screw rod; 11, spring seat; 12, upper spring seat; 13, lower spring cup; 14, spring positioning rod; 15, attachment post; 16, inner spiral hole; 17, ring-shaped rubber pad; 18, sealing gasket.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, pressure regulator in this lever operation valve pressure release passage, this lever operation valve is mainly comprised of valve body 1, on valve body 1, offer oil inlet passage 2 and oil discharge passage 3, on valve body 1, be also provided with valve rod 4, this valve rod 4 relative valve body 1 on valve body 1 is done axial sliding movement makes above-mentioned oil inlet passage 2 and oil discharge passage 3 in connected state or blocking state, on valve body 1, also offer the pressure release asphalt channel 5 being connected with oil discharge passage 3 together, be positioned to be provided with on valve body 1 inwall on pressure release asphalt channel 5 and reach the core bar 6 that a setting value is connected oil discharge passage 3 and pressure release asphalt channel 5 when oil discharge passage 3 oil liquid pressures, core bar 6 withstands on above-mentioned oil discharge passage 3 oil outlet places, this pressure regulator is included between core bar 6 and valve body 1 and is provided with and makes core bar 6 have the spring 7 that certain pressure is resisted against above-mentioned oil discharge passage 3 oil outlet places, the other end of spring 7 is resisted against on spring seat, this spring seat 11 is conflicted by screw rod 10 and is had screw rod 10 spirals to be connected on above-mentioned valve body 1.
When Practical manufacturing, this core bar 6 is mainly comprised of working end 6a, on the 6a of working end, offer the ball core groove 6b of indent, on ball core groove 6b, be placed with the spherical spool 8 that is resisted against above-mentioned oil discharge passage 3 oil outlet places, the lower end of working end 6a has spring locating column 9, and spring 7 one end are set on above-mentioned spring locating column 9 and abut against working end 6a; On valve body 1 wall relative with above-mentioned spring 7, spiral is connected with screw rod 10, above-mentioned spring seat 11 is positioned at the top of screw rod 10 and leans with the spiral end of screw rod 10, described screw rod 10 outer ends offer inner spiral hole 16, screw rod 10 is fixed on above-mentioned valve body 1 wall by the mode being spirally connected, and between this screw rod 10 and valve body 1 wall, is provided with sealing gasket 18; In order to make when the axial progress of Regulation spring seat, while not having influence on spring seat to spring 7 spacing, the specific design structure of this spring seat is: this spring seat is mainly comprised of upper spring seat 12 and lower spring cup 13, the upper surface of upper spring seat 12 has spring positioning rod 14, the other end of spring 7 is set on described spring positioning rod 14 and abuts against upper spring seat 12, between described upper spring seat 12 and lower spring cup 13, by attachment post 15, is connected mutually; Between upper spring seat 12 and lower spring cup 13, be provided with ring-shaped rubber pad 17.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used herein: valve body 1; Oil inlet passage 2; Oil discharge passage 3; Valve rod 4; Pressure release asphalt channel 5; Core bar 6; Working end 6a; Ball core groove 6b; Spring 7; Spherical spool 8; Spring locating column 9; Screw rod 10; Spring seat 11; Upper spring seat 12; Lower spring cup 13; Spring positioning rod 14; Attachment post 15; Inner spiral hole 16; Ring-shaped rubber pad 17; Sealing gasket 18 terms such as grade, but do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (7)
1. the pressure regulator in a lever operation valve pressure release passage, this lever operation valve comprises valve body (1) and is opened in oil inlet passage (2) and the oil discharge passage (3) on valve body (1), on valve body (1), be provided with the valve rod (4) that makes above-mentioned oil inlet passage (2) and oil discharge passage (3) be communicated with or block, described valve rod (4) is done axial sliding movement at the upper relative valve body (1) of valve body (1), on valve body (1), also offer the pressure release asphalt channel (5) being connected with above-mentioned oil discharge passage (3) together, be positioned to be provided with on valve body (1) inwall on pressure release asphalt channel (5) and reach the core bar (6) that a setting value is connected oil discharge passage (3) and pressure release asphalt channel (5) when oil discharge passage (3) oil liquid pressure, described core bar (6) withstands on above-mentioned oil discharge passage (3) oil outlet place, it is characterized in that, this pressure regulator is included between core bar (6) and valve body (1) and is provided with and makes core bar (6) have the spring (7) that certain pressure is resisted against above-mentioned oil discharge passage (3) oil outlet place, the other end of described spring (7) is resisted against on spring seat (11), this spring seat (11) is conflicted by screw rod (10) and is had screw rod (10) spiral to be connected on above-mentioned valve body (1).
2. the pressure regulator in an a kind of lever operation valve pressure release passage according to claim 1, it is characterized in that, described core bar (6) comprises working end (6a), on working end (6a), offer the ball core groove (6b) of indent, on described ball core groove (6b), be placed with the spherical spool (8) that is resisted against above-mentioned oil discharge passage (3) oil outlet place, the lower end of described working end (6a) has spring locating column (9), and above-mentioned spring (7) one end is set on above-mentioned spring locating column (9) and abuts against working end (6a).
3. the pressure regulator in an a kind of lever operation valve pressure release passage according to claim 2, it is characterized in that, on valve body (1) wall relative with above-mentioned spring (7), spiral is connected with screw rod (10), and above-mentioned spring seat (11) is positioned at the top of screw rod (10) and leans with the spiral end of screw rod (10).
4. the pressure regulator in an a kind of lever operation valve pressure release passage according to claim 3, is characterized in that, described screw rod (10) outer end offers inner spiral hole (16).
5. the pressure regulator in an a kind of lever operation valve pressure release passage according to claim 3, it is characterized in that, described spring seat comprises upper spring seat (12) and lower spring cup (13), the upper surface of described upper spring seat (12) has spring positioning rod (14), the other end of above-mentioned spring (7) is set in described spring positioning rod (14) and goes up and abut against upper spring seat (12), between described upper spring seat (12) and lower spring cup (13), by attachment post (15), is connected mutually.
6. the pressure regulator in an a kind of lever operation valve pressure release passage according to claim 4, is characterized in that, on the attachment post (15) between described upper spring seat (12) and lower spring cup (13), is provided with ring-shaped rubber pad (17).
7. according to the pressure regulator in a kind of lever operation valve pressure release passage described in claim 3 or 4, it is characterized in that, described screw rod (10) is fixed on above-mentioned valve body (1) wall by the mode being spirally connected, and between this screw rod (10) and valve body (1) wall, is provided with sealing gasket (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473211.8U CN203413230U (en) | 2013-08-05 | 2013-08-05 | Pressure-regulating device in pressure relief channel of one-rod maneuvering valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473211.8U CN203413230U (en) | 2013-08-05 | 2013-08-05 | Pressure-regulating device in pressure relief channel of one-rod maneuvering valve |
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| Publication Number | Publication Date |
|---|---|
| CN203413230U true CN203413230U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320473211.8U Expired - Fee Related CN203413230U (en) | 2013-08-05 | 2013-08-05 | Pressure-regulating device in pressure relief channel of one-rod maneuvering valve |
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| CN (1) | CN203413230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763303A (en) * | 2017-11-10 | 2018-03-06 | 浙江东星科技有限公司 | A kind of air conditioner unit of band condensation |
-
2013
- 2013-08-05 CN CN201320473211.8U patent/CN203413230U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763303A (en) * | 2017-11-10 | 2018-03-06 | 浙江东星科技有限公司 | A kind of air conditioner unit of band condensation |
| CN107763303B (en) * | 2017-11-10 | 2023-07-04 | 浙江东星科技有限公司 | Air treatment unit with condensation function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20170805 |
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| CF01 | Termination of patent right due to non-payment of annual fee |