CN207034607U - Pressure adjustable type safety valve for thin oil lubricant oil pump - Google Patents
Pressure adjustable type safety valve for thin oil lubricant oil pump Download PDFInfo
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- CN207034607U CN207034607U CN201721004986.5U CN201721004986U CN207034607U CN 207034607 U CN207034607 U CN 207034607U CN 201721004986 U CN201721004986 U CN 201721004986U CN 207034607 U CN207034607 U CN 207034607U
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- pressure
- end cap
- safety valve
- adjustable type
- hole
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Abstract
The utility model discloses a kind of pressure adjustable type safety valve for thin oil lubricant oil pump, including valve body, the valve body is provided with the relief hole for pressure release, is provided with sealing shroud in the relief hole, the sealing shroud is pushed against pressure release bore ends to realize the closure to relief hole by elastic component；Also include the end cap that pressure regulation part and longitudinal section are in "convex" shaped, the path part of the end cap is coaxially stretched into relief hole and connected, and the large diameter portion of the end cap is tight against being provided with valve body end face and between end cap and valve body sealing ring I；The end cap is provided with the centre bore axially penetrated through, and the pressure regulation part can be axially moved or fix along centre bore, and promote elastic component to deform upon so as to form different vent pressures in axial movement；The utility model easily can easily adjust the Opening pressure of safety valve.
Description
Technical field
A kind of oil pump relief valve is the utility model is related to, more particularly to a kind of pressure adjustable type for thin oil lubricant oil pump is pacified
Full valve.
Background technology
In the prior art, the safety valve clamp nut of thin oil lubricant oil pump directly compresses also functions to end face seal simultaneously in place
Effect, when opening pressure of safety valve pressure against regulation, need to unclamp and unload lower compression nut, be adjusted by increasing and decreasing packing ring
The pressure of holddown spring, reach the opening pressure of safety valve of demand, then clamp nut will lock, and use very inconvenient.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of pressure adjustable type safety for thin oil lubricant oil pump
Valve, it easily can easily adjust the Opening pressure of safety valve.
Pressure adjustable type safety valve of the present utility model for thin oil lubricant oil pump, including valve body, the valve body are provided with
For the relief hole of pressure release, be provided with sealing shroud in the relief hole, the sealing shroud by elastic component be pushed against pressure release bore ends with
Realize the closure to relief hole；Also include the end cap of pressure regulation part and longitudinal section in "convex" shaped, the path part of the end cap is same
Shaft extension enters relief hole and connected, and the large diameter portion of the end cap is tight against being provided with valve body end face and between end cap and valve body sealing ring
Ⅰ；The end cap is provided with the centre bore axially penetrated through, and the pressure regulation part can be axially moved or fix along centre bore, and in axial fortune
Elastic component is promoted to deform upon so as to form different vent pressures during dynamic.
Further, the elastic component is stage clip structure, and one end of the elastic component pushes against sealing shroud, other end abutting pressure regulation
Part.
Further, the pressure regulation part includes one-level pylon, the two level pylon and three being sequentially connected vertically and diameter successively decreases
Level pylon；The two level pylon is threadedly coupled with centre bore so that pressure regulation part can be axially moved or fix along relief hole.
Further, the centre bore is sequentially provided with unthreaded hole portion and internal thread part axially inward, on the two level pylon with
Part is provided with sealing ring II corresponding to unthreaded hole portion.
Further, the outer end of the sealing shroud stretches out to form guide sleeve, and the one-level pylon coaxially stretches into guide sleeve
Pilot hole, the elastic component is enclosed on that guide sleeve is outer and one end of elastic component is against the inner face of two level pylon.
Further, the one-level pylon is provided with tightening hole, and holding screw penetrates tightening hole and to the outer face shape of end cap
Into tightening pressure.
Further, the path part of the end cap is coaxially stretched into relief hole and is threadedly coupled.
Pressure adjustable type safety valve of the present utility model for thin oil lubricant oil pump has following advantageous effects：
First, by the end cap locking positioning with sealing ring I on valve body after, then pressure regulation part positioned along centre bore,
The position degree of adjustment pressure regulation part is that may be such that different degrees of deformation occurs for elastic component, can so as to form different vent pressures
Easily easily adjust the Opening pressure of safety valve；
Second, the sealing ring II of sealing ring I and pressure regulation part on end cap effectively can prevent grease from being connect from end cap and valve body
Contacting surface and pressure regulation part are revealed or overflowed with end cap junction；
3rd, after elastic component elastic force is adjusted to specification value by pressure regulation part, then the holding screw that will be carried on pressure regulation part
It is tightened on end cap face, can prevents complete machine during transporting, using etc. due to pressure regulation part pine caused by high vibration
It is dynamic even to come off, so as to which the pressure value for causing valve body normally-open changes and causes the problems such as using upper quality bad,
Ensure the accuracy of opening pressure of safety valve；
4th, the unthreaded hole portion of end cap central bore and the guide sleeve of sealing shroud can exchange casting die and form effective guiding and compress and make
With so that pressure regulation part is steady, accurate movement.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of end cap of the present utility model；
Fig. 3 is the structural representation of regulating part of the present utility model.
Embodiment
As shown in Figure 1 to Figure 3：The pressure adjustable type safety valve for thin oil lubricant oil pump of the present embodiment, including valve body 1,
The valve body 1 is provided with the relief hole 2 for pressure release, is provided with sealing shroud 3 in the relief hole 2, the sealing shroud 3 is by elastic component
4 are pushed against the end of relief hole 2 to realize the closure to relief hole 2；Also include the end cap of pressure regulation part 5 and longitudinal section in "convex" shaped
6, the path part 6a of the end cap 6 coaxially stretches into relief hole 2 and connected, and the large diameter portion 6b of the end cap 6 is tight against in valve body 1
Sealing ring I 7 is provided between end face and end cap 6 and valve body 1；The end cap 6 is provided with the centre bore 61 axially penetrated through, the pressure regulation part
5 can be axially moved or fix along centre bore 61, and promote elastic component 4 to deform upon so as to form difference in axial movement
Vent pressure；Relief hole 2 connects with oil flow channel and pressure release passage, when oil pressure is higher than setting value, sealing shroud 3 be extruded and
Move outward so that oil flow channel connects with pressure release passage and realizes safety relief；Vent pressure is Opening pressure, by elastic component
4 elastic pressure provides, thus can adjust vent pressure by compression elastic piece 4；Outwardly be Fig. 1 in towards a left side direction, inwardly
And towards the direction on the right side in Fig. 1；Sealing ring I 7 for can " O " type rubber ring, play end face seal effect；End cap 6, pressure regulation part 5 are independent
And be equipped with, the movement of pressure regulation part 5 does not interfere with the position of end cap 6, therefore end face seal effect exists all the time；It will carry
After the locking positioning of end cap 6 of sealing ring I 7 is on valve body 1, then pressure regulation part 5 positioned along centre bore 61, adjustment pressure regulation part 5
Position degree may be such that different degrees of deformation occurs for elastic component 4, so as to form different vent pressures, easily can easily adjust
The Opening pressure of whole safety valve.
In the present embodiment, the elastic component 4 is preferably stage clip structure, and one end of the elastic component 4 pushes against sealing shroud 3, another
One end pushes against pressure regulation part 5；Axially position of the elastic component 4 along relief hole 2, the deformation with the movement of pressure regulation part 5, it is easy to adjust pressure release
Pressure.
In the present embodiment, the pressure regulation part 5 includes one-level pylon 51, the two stage column being sequentially connected vertically and diameter successively decreases
Platform 52 and three-level pylon 53；The two level pylon 52 is threadedly coupled with centre bore 61 so that pressure regulation part 5 can be along relief hole 2 axially
Motion is fixed；The section of one-level pylon 51, two level pylon 52 and three-level pylon 53 is rounded and is integrally formed, and its length can
Depending on according to specific needs；For corresponding with the outer face of end cap 6, two level pylon 52 is used to coordinate end cap 6 to slide one-level pylon 51
Connection, three-level pylon 53 are used to be oriented to；The outer surface of two level pylon 52 is provided with external screw thread, is moved by spiral way, motion essence
Really, sealing is strong；Meanwhile the path part of the end cap 6 is coaxially stretched into relief hole 2 and is threadedly coupled.
In the present embodiment, the centre bore 61 is sequentially provided with unthreaded hole portion 61a and internal thread part 61b axially inward, described
It is corresponding with unthreaded hole portion 61a on two level pylon 52 to be partly provided with sealing ring II 9；The aperture of centre bore 61 is straight with two level pylon 52
Footpath is suitable；Unthreaded hole portion 61a improves the guide effect of end cap 6；Sealing ring II for can " O " type rubber ring, play radial seal effect；
The sealing ring II of sealing ring I 7 and pressure regulation part 5 on end cap 6 can effectively prevent grease from end cap 6 and the contact surface of valve body 1 and
Pressure regulation part 5 is revealed or overflowed with the junction of end cap 6.
In the present embodiment, the outer end of the sealing shroud 3 stretches out to form guide sleeve 31, the 51 same shaft extension of one-level pylon
Enter the pilot hole 31a of guide sleeve 31, the elastic component 4 is enclosed on guide sleeve outside and one end of elastic component 4 is against two level pylon 52
Inner face；The aperture of pilot hole is suitable with the diameter of three-level pylon 53；The unthreaded hole portion 61a of the centre bore 61 of end cap 6 and sealing shroud 3
Guide sleeve can exchange casting die 5 and form effective guiding pressuring action so that pressure regulation part 5 is steady, accurate movement.
In the present embodiment, the one-level pylon 51 is provided with tightening hole 5a, and holding screw 8 penetrates tightening hole 5a and to end cap
6 outer face forms tightening pressure；After the elastic force of elastic component 4 is adjusted to specification value by pressure regulation part 5, then by band on pressure regulation part 5
Some holding screws 8 are tightened on the face of end cap 6, can prevent complete machine during transporting, using etc. due to high vibration
Caused by pressure regulation part 5 loosen and even come off, so as to which the pressure value for causing valve body 1 normally-open changes and causes using upper
The problems such as quality is bad, ensure the accuracy of opening pressure of safety valve.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (7)
1. a kind of pressure adjustable type safety valve for thin oil lubricant oil pump, including valve body, the valve body is provided with for pressure release
Relief hole, sealing shroud is provided with the relief hole, the sealing shroud is pushed against pressure release bore ends to realize to pressure release by elastic component
The closure in hole；It is characterized in that：Also include the end cap of pressure regulation part and longitudinal section in "convex" shaped, the path part of the end cap is same
Shaft extension enters relief hole and connected, and the large diameter portion of the end cap is tight against being provided with valve body end face and between end cap and valve body sealing ring
Ⅰ；The end cap is provided with the centre bore axially penetrated through, and the pressure regulation part can be axially moved or fix along centre bore, and in axial fortune
Elastic component is promoted to deform upon so as to form different vent pressures during dynamic.
2. the pressure adjustable type safety valve according to claim 1 for thin oil lubricant oil pump, it is characterised in that：The elasticity
Part is stage clip structure, and one end of the elastic component pushes against sealing shroud, other end abutting pressure regulation part.
3. the pressure adjustable type safety valve according to claim 1 for thin oil lubricant oil pump, it is characterised in that：The pressure regulation
Part includes one-level pylon, two level pylon and the three-level pylon being sequentially connected vertically and diameter successively decreases；The two level pylon is with
Heart hole is threadedly coupled so that pressure regulation part can be axially moved or fix along relief hole.
4. the pressure adjustable type safety valve according to claim 3 for thin oil lubricant oil pump, it is characterised in that：The center
Hole is sequentially provided with unthreaded hole portion and internal thread part axially inward, and be partly provided with corresponding with unthreaded hole portion seals on the two level pylon
Circle II.
5. the pressure adjustable type safety valve according to claim 4 for thin oil lubricant oil pump, it is characterised in that：The sealing
The outer end of set stretches out to form guide sleeve, and the one-level pylon coaxially stretches into the pilot hole of guide sleeve, and the elastic component is enclosed on
Guide sleeve is outer and one end of elastic component is against the inner face of two level pylon.
6. the pressure adjustable type safety valve according to claim 5 for thin oil lubricant oil pump, it is characterised in that：The one-level
Pylon is provided with tightening hole, and holding screw penetrates tightening hole and the outer face to end cap and forms tightening pressure.
7. the pressure adjustable type safety valve according to claim 6 for thin oil lubricant oil pump, it is characterised in that：The end cap
Path part coaxially stretch into relief hole and be threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004986.5U CN207034607U (en) | 2017-08-11 | 2017-08-11 | Pressure adjustable type safety valve for thin oil lubricant oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004986.5U CN207034607U (en) | 2017-08-11 | 2017-08-11 | Pressure adjustable type safety valve for thin oil lubricant oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034607U true CN207034607U (en) | 2018-02-23 |
Family
ID=61487017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721004986.5U Active CN207034607U (en) | 2017-08-11 | 2017-08-11 | Pressure adjustable type safety valve for thin oil lubricant oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108046A (en) * | 2021-03-24 | 2021-07-13 | 西安法士特汽车传动有限公司 | Safety valve and transmission |
-
2017
- 2017-08-11 CN CN201721004986.5U patent/CN207034607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108046A (en) * | 2021-03-24 | 2021-07-13 | 西安法士特汽车传动有限公司 | Safety valve and transmission |
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