CN208967159U - A kind of oiling exhaust bolt - Google Patents
A kind of oiling exhaust bolt Download PDFInfo
- Publication number
- CN208967159U CN208967159U CN201821623628.7U CN201821623628U CN208967159U CN 208967159 U CN208967159 U CN 208967159U CN 201821623628 U CN201821623628 U CN 201821623628U CN 208967159 U CN208967159 U CN 208967159U
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- valve body
- hole
- screw
- exhaust
- oiling
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Abstract
A kind of oiling exhaust bolt comprising the locating part of screw one end is arranged in a valve body, a screw being arranged on the valve body, first sealing ring being folded between the valve body and screw and one.The valve body includes an exhaust valve body, an exhaust valve base connecting with exhaust valve body and a through-hole opened up along the axial direction of the exhaust valve body.The through-hole includes two diameter first through hole incremented by successively and the second through-hole.Second inner side wall of through hole is provided with screw thread.The screw includes that an ailhead, two diameters the first nail rod and the second nail rod incremented by successively and one are set in the screw thread bulge loop being arranged on the outside of second nail rod.The screw thread bulge loop is mutually spirally connected with screw thread.This oiling exhaust bolt structure is simple, easy to operate, and exhaust valve and oil valve are combined, that is, reduces costs and improves competitiveness.
Description
Technical field
The utility model belongs to hydraulic press field, especially a kind of oiling exhaust bolt.
Background technique
It is well known that hydraulic press includes oil storage tank and hydraulic cylinder.Currently, being respectively arranged with phase on the oil storage tank
The oil valve and exhaust valve mutually separated.It requires to tighten closing for the oil valve and exhaust valve when the hydraulic press is in transport, with
The oil leakage in oil storage tank is avoided to go out.And it is in use, and need to open the exhaust valve, to be connected to atmospheric pressure, so as to
The hydraulic oil in oil storage tank to be pumped into hydraulic cylinder.
The different location of oil storage tank is separately positioned on just because of the exhaust valve and oil valve at present, is using hydraulic press
When it is troublesome, it has not been convenient to, and will increase manufacturing cost and installation assembling cost, be unfavorable for reducing the cost of entire hydraulic press,
Improve competitiveness.
Utility model content
In view of this, the present invention provides a kind of oilings for combining the exhaust valve and oil valve to be vented spiral shell
Nail, to solve the above technical problems.
A kind of oiling exhaust bolt comprising a valve body, a screw being arranged on the valve body, one be folded in
The locating part of screw one end is arranged in the first sealing ring between the valve body and screw and one.The valve body includes one
A exhaust valve body, an exhaust valve base being connect with exhaust valve body and an axial direction along the exhaust valve body
The through-hole opened up.The through-hole includes two diameter first through hole incremented by successively and the second through-hole.On the inside of second through-hole
Wall is provided with screw thread.The screw includes an ailhead, two diameters the first nail rod and the second nail rod incremented by successively, Yi Jiyi
It is a to be set in the screw thread bulge loop being arranged on the outside of second nail rod.The screw thread bulge loop is mutually spirally connected with screw thread.Described first is close
Seal ring is set in the first nail rod and seals the gap between the screw and valve body in the screw and valve body close-fitting.It is described
Locating part far from one end diameter of valve body is greater than the diameter of first through hole and for limiting first nail rod by from described first
It is extracted out in through-hole.
Further, screw thread is set on the outside of the exhaust valve body.
Further, the oiling exhaust bolt is arranged on the oil storage tank of hydraulic press, and passes through exhaust valve body outside
Screw thread spiral shell set on the oil storage tank, the oiling exhaust bolt further includes one and is folded between the valve body and oil storage tank
Second sealing ring, second seal ring set are located on the outside of exhaust valve body and for sealing between the valve body and oil storage tank
Gap.
Further, chamfering is arranged in the outside of the one end of the exhaust valve base close to ailhead.
Further, the ailhead preferably crimps ailhead.
Further, the diameter of second nail rod is less than the second through-hole diameter.
Further, first seal ring set is located on the outside of the first nail rod, and the internal diameter of first sealing ring is preferred etc.
In the diameter of the first nail rod, outer diameter is preferably equal to the outer diameter of the second nail rod.
Further, the material preferred rubber of the locating part.
Compared with prior art, oiling exhaust bolt provided by the utility model can control the outflow of the oil in oil storage tank,
With the connection of external atmosphere pressure.When the hydraulic press is in transport, tighten setting screw on a hydraulic press, make valve body and screw it
Between the first sealing ring seal the first through hole.And when hydraulic press needs in use, only needing to unscrew the screw makes
First sealing ring no longer seals the connection of the first through hole and external atmosphere pressure, so that the oil valve and row
Air valve is combined into one, and then can simplify operation, can also reduce manufacturing cost and installation cost, provides the competing of the hydraulic press
Strive power.
Detailed description of the invention
Fig. 1 is the assembling structure schematic diagram that oiling exhaust bolt provided by the utility model is assemblied in oil storage tank
Fig. 2 is the partial enlargement structural representation of A in Fig. 1.
Specific embodiment
Specific embodiment of the utility model is further elaborated below.It should be understood that herein to this
The explanation of utility model embodiment is not used to limit the protection scope of the utility model.
It as shown in Figure 1 to Figure 2, is the structural schematic diagram of oiling exhaust bolt provided by the utility model.It needs to illustrate
, the oiling exhaust bolt is using on a hydraulic press.It is well known that the hydraulic press includes 1 He of oil storage tank
One hydraulic cylinder 2 being connect with the oil storage tank 1.It is understood, however, that the hydraulic press further includes other some functions
Module, such as piston rod, buffer unit should be the technology that those skilled in the art fly to know, no longer detailed one by one herein
It describes in detail bright.The oiling exhaust bolt includes 20, sandwicheds of a valve body 10, one screws being arranged on the valve body 10
The first sealing ring 30 between the valve body 10 and screw 20, one is arranged in the locating part 40, Yi Jiyi of 20 one end of screw
A the second sealing ring 50 being folded between the valve body 10 and oil storage tank 1.
The valve body 10 includes one and is vented valve body 11 and an exhaust valve base 12 connecting with exhaust valve body 11,
An and through-hole 13 opened up along the axial direction of 10 main body of exhaust valve.Screw thread is set on the outside of the exhaust valve body 11, with
Just exhaust valve body 11 is spirally connected with oil storage tank 1, to being arranged the oiling exhaust bolt on the hydraulic press.The exhaust
Chamfering is arranged close to the outside of one end of following ailheads 21 in valve base 12, and the outer dimension of the exhaust valve base 12 is greater than described
It is vented the outer dimension of valve body 11, so as to which second sealing ring 50 is folded in the exhaust valve base 12 and oil storage
Between tank 1, achieve the purpose that seal the valve body 10 and oil storage tank 1, to prevent leak-stopping oil.The through-hole 13 is arranged in the valve body 10
Axial centre and including two diameters first through hole 131 incremented by successively and the second through-hole 132.In second through-hole 132
Screw thread 133 is provided on side wall for the screw that is spirally connected.The diameter of second through-hole 132 is greater than the first through hole
131 diameter to form a step, so as to the first sealing ring 40 described in 20 sandwiched of screw.
The screw 20 is screwed onto the first nail on the valve body 10 and incremented by successively including 21, two diameters of an ailhead
Bar 22 and the second nail rod 23 and a screw thread bulge loop 24 being arranged on the outside of second nail rod 23.The axis of the ailhead 21
Outside side wall is preferably provided with cotton ginning ailhead, to be made when in use with increasing the frictional force between manpower and the ailhead 21
It obtains and is more convenient when turning screw 20.First nail rod 22 be inserted into the first through hole 131 and its diameter be less than this first
The diameter of through-hole 131, to form airspace.In addition it is also convenient for that the locating part 40 is arranged.The diameter of second nail rod 23
Less than 132 diameter of the second through-hole, so that the second nail rod 23 and the second through-hole 132 generate gap, easy to exhaust.The screw thread is convex
Ring 24 is mutually spirally connected with tapped through hole 133, so that screw 20 will be screwed on valve body 10, completes the assembling of the screw 20.
First sealing ring 30 be set in the first nail rod 30 and be folded between the screw 20 and valve body 10 with
The screw 20 and valve body 10 seal the gap between the screw 20 and valve body 10 when tightening.First sealing ring 30 is arranged
In 22 outside of the first nail rod, the internal diameter of first sealing ring 30 is preferably equal to the diameter of the first nail rod 22, and outer diameter is preferably equal to
The outer diameter of second nail rod 23 is to guarantee leakproofness.
The locating part 40 is screwed onto first nail rod 22 and including an insertion section 41 and one and the insertion section
The limiting section 42 of 41 connections.The insertion section 41 is screwed onto first nail rod 22 and second through-hole 131 can be inserted.
The limiting section 42 be a taper type, i.e., the maximum gauge of the taper type be greater than second through-hole 131 diameter, so as to
It will be dropped out from through-hole 13 to avoid screw 20.The material preferred rubber of the locating part 40.
Second sealing ring 50 be set in exhaust valve body 11 outside and for seal the valve body 10 and oil storage tank 1 it
Between gap, to avoid oil leak between valve body 10 and oil storage tank 1.
Compared with prior art, oiling exhaust bolt provided by the utility model can control the outflow of the oil in oil storage tank 1,
With the connection of external atmosphere pressure.When the hydraulic press is in transport, setting screw 20 on a hydraulic press is tightened, valve body 10 and spiral shell are made
The first sealing ring 30 between nail 20 seals the first through hole 131.And when hydraulic press needs in use, only needing to unscrew
The screw 20 makes first sealing ring 30 no longer seal the connection of the first through hole 131 with external atmosphere pressure, from
And make the oil valve and exhaust valve be combined into one, and then can simplify operation, manufacturing cost can also be reduced and be mounted to
This, provides the competitiveness of the hydraulic press
The above is only the preferred embodiments of the utility model, are not used to the limitation protection scope of the utility model, any
Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.
Claims (8)
1. a kind of oiling exhaust bolt is arranged on the oil storage tank (1) of hydraulic press, it is characterised in that: the oiling is vented spiral shell
Nail is folded in the valve body (10) including a valve body (10), a screw (20) being arranged on the valve body (10), one
The locating part (40) of the first sealing ring (30) and a setting in screw (20) one end between screw (20), the valve
Body (10) includes exhaust valve body (11), an exhaust valve base (12) connecting with exhaust valve body (11), Yi Jiyi
The through-hole (13) that a axial direction along exhaust valve body (11) opens up, the through-hole (13) includes that two diameters are incremented by successively
First through hole (131) and the second through-hole (132), the second through-hole (132) inner sidewall are provided with screw thread (133), the screw
(20) including an ailhead (21), two diameters the first nail rod (22) and the second nail rod (23) incremented by successively and a set
The screw thread bulge loop (24) being located on the outside of second nail rod (23), the screw thread bulge loop (24) are mutually spirally connected with screw thread (133), institute
The first sealing ring (30) is stated to be set on the first nail rod (22) and at the screw (20) and valve body (10) close-fitting described in sealing
Gap between screw (20) and valve body (10), it is logical that the diameter of the one end of the locating part (40) far from valve body (10) is greater than first
The diameter in hole (131) is simultaneously extracted out from the first through hole (131) for limiting first nail rod (22).
2. oiling exhaust bolt as described in claim 1, it is characterised in that: spiral shell is arranged on the outside of the exhaust valve body (11)
Line.
3. oiling exhaust bolt as claimed in claim 2, it is characterised in that: hydraulic press is arranged in the oiling exhaust bolt
It on oil storage tank (1), and is set on the oil storage tank (1) by the screw thread spiral shell on the outside of exhaust valve body (11), the oiling is vented spiral shell
Nail further includes second sealing ring (50) being folded between the valve body (10) and oil storage tank (1), second sealing ring
(50) it is set on the outside of exhaust valve body (11) and for sealing the gap between the valve body (10) and oil storage tank (1).
4. oiling exhaust bolt as described in claim 1, it is characterised in that: the exhaust valve base (12) is close to ailhead (21)
One end outside be arranged chamfering.
5. oiling exhaust bolt as described in claim 1, it is characterised in that: the ailhead (21) preferably crimps ailhead.
6. oiling exhaust bolt as described in claim 1, it is characterised in that: the diameter of second nail rod (23) is less than second
Through-hole (132) diameter.
7. oiling exhaust bolt as described in claim 1, it is characterised in that: first sealing ring (30) is set in the first nail
On the outside of bar (22), the internal diameter of first sealing ring (30) is preferably equal to the diameter of the first nail rod (22), and outer diameter is preferably equal to the
The outer diameter of two nail rods (23).
8. oiling exhaust bolt as described in claim 1, it is characterised in that: the material preferred rubber of the locating part (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821623628.7U CN208967159U (en) | 2018-09-30 | 2018-09-30 | A kind of oiling exhaust bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821623628.7U CN208967159U (en) | 2018-09-30 | 2018-09-30 | A kind of oiling exhaust bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208967159U true CN208967159U (en) | 2019-06-11 |
Family
ID=66758221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821623628.7U Active CN208967159U (en) | 2018-09-30 | 2018-09-30 | A kind of oiling exhaust bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208967159U (en) |
-
2018
- 2018-09-30 CN CN201821623628.7U patent/CN208967159U/en active Active
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