CN201071939Y - Instrument block valve with up and down double-thrust ball bearing structure - Google Patents

Instrument block valve with up and down double-thrust ball bearing structure Download PDF

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Publication number
CN201071939Y
CN201071939Y CNU2007200402791U CN200720040279U CN201071939Y CN 201071939 Y CN201071939 Y CN 201071939Y CN U2007200402791 U CNU2007200402791 U CN U2007200402791U CN 200720040279 U CN200720040279 U CN 200720040279U CN 201071939 Y CN201071939 Y CN 201071939Y
Authority
CN
China
Prior art keywords
valve
valve rod
steel balls
boss
thrust ball
Prior art date
Application number
CNU2007200402791U
Other languages
Chinese (zh)
Inventor
朱义芳
Original Assignee
江苏星河集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏星河集团有限公司 filed Critical 江苏星河集团有限公司
Priority to CNU2007200402791U priority Critical patent/CN201071939Y/en
Application granted granted Critical
Publication of CN201071939Y publication Critical patent/CN201071939Y/en

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Abstract

The utility model relates to a meter cut-off valve with a vertical dual thrust ball bearing structure used in an industrial automation control system. The utility model comprises a valve body, a valve core, a lower valve rod, an upper valve rod, a hand wheel and a valve cover, and the utility model is characterized in that a reverse V-shaped dummy club is arranged at the lower end of the upper valve rod, and steel balls with the set number are evenly distributed on the reverse V-shaped arc surface of the dummy club; a bearing seat is arranged at the top end of the lower valve rod, steel balls with the set number are also evenly distributed above the bearing seat, and the steel balls are contacted with the bottom surface of the dummy club; threaded sleeves are arranged above the dummy club and the steel balls, connecting nuts connected with the upper and the lower valve rods are arranged on the external peripheries of the threaded sleeves, and the upper and the lower ends of the connecting nuts are respectively matched with the threaded sleeves and the upper end of the lower valve rod through a thread. The intermediate section of the valve cover is provided with a structure with double-column type left and right parts and integral opened type front and rear parts. The utility model has the advantages that the structure is simple, the operation is easy, the service life is long, the heat elimination is rapid, and the sealing degree of filling material can be adjusted and operated conveniently.

Description

Have the instrument block valve of dual thrust ball bearing structure up and down
Technical field
The utility model is the opening/shutting controller that is widely used in the industrial automation control system liquid in all kinds of instrumentation pipelines or gas, especially a kind of instrument block valve of dual thrust ball bearing structure up and down that has.
Background technique
At present, the instrument block valve that a kind of novel structure is arranged, it places stuffing seal with the self-centering spool of a kind of energy, during work, the rotation handwheel drives lower valve rod by upper valve rod by the attaching nut and spool is made straight line motion up and down, reaches the purpose (as ZL200520075044.7) of keying, the pressure-resistant seal performance is reliable, but since between upper and lower valve rod and the attaching nut for to be connected firmly, cause the hard friction between the metal easily and produce wearing and tearing, thereby shortened the working life of valve.And conventional valve gap is closed, is unfavorable for like this dispelling the heat and the packing seal degree being regulated and operated.
Summary of the invention
Technical problem to be solved in the utility model, be to provide a kind of become go up lower valve rod be connected to firmly that rolling connection, rapid heat dissipation, packing seal degree are regulated easily, long product lifecycle have an instrument block valve of dual thrust ball bearing structure up and down.
As follows for solving the technological scheme that above technical problem adopts: the utility model comprises the lower valve rod and the upper valve rod of valve body, spool, spool top, handwheel is equipped with at the upper valve rod top, valve gap is equipped with on valve body top, the underpart that it is characterized in that upper valve rod is designed to " eight " font boss, is evenly equipped with φ 2~6 steel balls of setting quantity on " eight " font cambered surface of boss; Top at lower valve rod is provided with bearing support, φ 2~6 steel balls of the uniform setting quantity in bearing support top, and steel ball contacts with the bottom surface of boss; Above boss and φ 2~6 steel balls, a swivel nut is set, the attaching nut who connects upper and lower valve rod is set in the swivel nut periphery again, attaching nut's upper and lower end is complementary with screw thread with the upper end of swivel nut and lower valve rod respectively, and the attaching nut bottom is provided with the locknut in order to locking.In addition, position, valve gap stage casing is designed to about for queen post and front and back be whole unenclosed construction.
Owing to adopted above technological scheme, its effect is conspicuous:
1, go up between the lower valve rod and connect,, reduced the hard grind damage so greatly improved greasy property for rolling, operate free and relaxed, simple in structure, long service life.
2, because valve gap is whole unenclosed construction, help quick heat radiating, the packing seal degree can be regulated and operate easily.
Description of drawings
Fig. 1 is vertical section structure figure of the present utility model.
Fig. 2 cuts open figure for the amplification office at the continuous position of upper and lower valve rod among Fig. 1.
Fig. 3 cuts open figure for the master office of looking of valve gap (8) among Fig. 1.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the A-A sectional view of Fig. 3.
Among the figure: 1, valve body 2, spool 3, lower valve rod 4, filler pad 5, filler 6, Gland 7, locknut 8, valve gap 9, locknut 10, attaching nut 11, bearing support 12, swivel nut 13, upper valve rod 14, handwheel 15, steel ball φ 2~616, " eight " font boss 17, steel ball φ 2~6
Embodiment
As Fig. 1, Fig. 2, the utility model is a kind of instrument block valve of dual thrust ball bearing structure up and down that has, it comprises the lower valve rod (3) and the upper valve rod (13) of valve body (1), spool (2), spool top, handwheel (14) is equipped with at the upper valve rod top, valve body top is equipped with valve gap (8), the underpart that it is characterized in that upper valve rod (13) is provided with " eight " font boss (16), is evenly equipped with φ 2~6 steel balls (15) of setting quantity on " eight " font cambered surface of boss; On the top of lower valve rod (3) bearing support (11) is set, the bearing support top is evenly equipped with φ 2~6 steel balls (17) of setting quantity, and steel ball contacts with the bottom surface of boss (16); Top at boss and φ 2~6 steel balls (15) is provided with swivel nut (12), be provided with in the swivel nut periphery again and connect upper and lower valve rod attaching nut (10), attaching nut's upper and lower end is complementary with screw thread with the upper end of swivel nut (12) and lower valve rod (3) respectively, and the attaching nut bottom is provided with the locknut (9) (as Fig. 2) in order to locking.
Heat dissipating state when improving work in the instrument block valve is whole unenclosed construction (as Fig. 3, Fig. 4, Fig. 5) for queen post and front and back about valve gap (8) position, stage casing is provided with again.
Owing to connect for rolling between the lower valve rod on the utility model, so when work, upper valve rod (13) rotates by handwheel (14), make straight line motion up and down by screw thread simultaneously, lower valve rod (3) is only made straight line motion up and down, and is more free and relaxed during operation.Again because valve gap (8) is a unenclosed construction, so rapid heat dissipation.When the seal degree of filler (5) reduces because of friction, can tighten Gland (6) easily.

Claims (2)

1. one kind has the instrument block valve of dual thrust ball bearing structure up and down, it comprises the lower valve rod (3) and the upper valve rod (13) of valve body (1), spool (2), spool top, handwheel (14) is equipped with at the upper valve rod top, valve gap (8) is equipped with on valve body top, the underpart that it is characterized in that upper valve rod (13) is provided with " eight " font boss (16), is evenly equipped with φ 2~6 steel balls (15) of setting quantity on " eight " font cambered surface of boss; Be provided with bearing support (11) on the top of lower valve rod (3), the bearing support top is evenly equipped with φ 2~6 steel balls (17) of setting quantity, and steel ball contacts with the bottom surface of boss (16); Top at boss and φ 2~6 steel balls (15) is provided with swivel nut (12), the attaching nut (10) who connects upper and lower valve rod is set in the swivel nut periphery, attaching nut's upper and lower end is complementary with screw thread with the upper end of swivel nut (12) and lower valve rod (3) respectively, and the attaching nut bottom is provided with the locknut (9) in order to locking.
2. the instrument block valve of dual thrust ball bearing structure up and down that has according to claim 1 is that queen post and front and back are whole unenclosed construction about its valve gap (8) position, stage casing is provided with.
CNU2007200402791U 2007-07-05 2007-07-05 Instrument block valve with up and down double-thrust ball bearing structure CN201071939Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200402791U CN201071939Y (en) 2007-07-05 2007-07-05 Instrument block valve with up and down double-thrust ball bearing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200402791U CN201071939Y (en) 2007-07-05 2007-07-05 Instrument block valve with up and down double-thrust ball bearing structure

Publications (1)

Publication Number Publication Date
CN201071939Y true CN201071939Y (en) 2008-06-11

Family

ID=39550497

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200402791U CN201071939Y (en) 2007-07-05 2007-07-05 Instrument block valve with up and down double-thrust ball bearing structure

Country Status (1)

Country Link
CN (1) CN201071939Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101961927A (en) * 2010-03-28 2011-02-02 宁波精达机电科技有限公司 Overhead cylinder type four-column pressure machine
CN102563097A (en) * 2012-03-02 2012-07-11 江苏星河集团有限公司 Novel instrument diaphragm valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101961927A (en) * 2010-03-28 2011-02-02 宁波精达机电科技有限公司 Overhead cylinder type four-column pressure machine
CN101961927B (en) * 2010-03-28 2015-07-22 宁波精达成形装备股份有限公司 Overhead cylinder type four-column pressure machine
CN102563097A (en) * 2012-03-02 2012-07-11 江苏星河集团有限公司 Novel instrument diaphragm valve

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080611

C17 Cessation of patent right