CN204267271U - A kind of Mechanical Sealed Type compound Fill valve structure for metering pump - Google Patents
A kind of Mechanical Sealed Type compound Fill valve structure for metering pump Download PDFInfo
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- CN204267271U CN204267271U CN201420738430.9U CN201420738430U CN204267271U CN 204267271 U CN204267271 U CN 204267271U CN 201420738430 U CN201420738430 U CN 201420738430U CN 204267271 U CN204267271 U CN 204267271U
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- valve
- valve body
- metering pump
- seat
- spring
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Abstract
The utility model discloses a kind of Mechanical Sealed Type compound Fill valve structure for metering pump, comprise valve body and be arranged on the sealing configuration in the outer rim of valve body upper end, valve rod is provided with in the center hole of valve body, the utility model adopts the spring of different elasticity coefficient to return seat fast to pull valve rod, and more natural repairing mode can reduce the loss of ante-chamber hydraulic oil; Adopt the regulative mode of adjusting nut formula to improve the Applicable scope of spring, a kind of spring can be used for multiple metering pump working condition requirement; Setscrew nut and back of the body cap is adopted to fix spring regulated quantity, prevent from loosening, the Fill valve of more conventional check ball, this fine motion Fill valve can carry out repairing at regular time and quantity, can not produce the phenomenon such as ante-chamber superpressure, membrane ruptures, motor fever that repairing too much causes; And the utility model instead of original seal ring by sealing configuration, greatly reduce the situation that end face is revealed, improve working life and the dosing accuracy of the pump housing.
Description
Technical field
The utility model relates to metering pump technical field, is specially a kind of Mechanical Sealed Type compound Fill valve structure for metering pump.
Background technique
Conventional metering pump repairing structure adopts nature repairing mode mostly, utilizes the negative pressure in piston seal chamber by normal pressure hydraulic oil suction chamber, reaches the hydraulic oil loss that compensating piston acting produces.This kind of repairing mode exist repairing not in time, the problem such as uncontrollable, the easy superpressure of piston cavity of repairing amount, cause metering pump barrier film can accurately not reach the deformation quantity of design, there is occurring in underpressure, flow too small or barrier film short time the phenomenons such as bad point, motors of metering pumps be hot, have a strong impact on the normal acting of piston, greatly reduce utilization efficiency and the working life of metering pump, for addressing these problems, Chinese patent CN 203756507U discloses a kind of fine motion repairing structure of metering pump, comprise valve body, be placed in the valve rod that also can be free to slide in valve body center hole within it, one end that valve rod is positioned at metering pump housing is vertebral body structure, by the conical surface and valve seal, by setscrew nut, spring seat is fixed on the valve rod the other end, multiple repairing passage be communicated with valve body center hole is had in valve body side, hydraulic oil enters in valve body center hole by repairing passage, back of the body cap and adjusting nut is connected with away from one end of metering pump housing at valve body, by back of the body cap, adjusting nut is positioned, spring is provided with between adjusting nut and spring seat, by the pretightening force of the front and back turn Regulation spring of adjusting nut, and adopt setscrew nut and the back of the body cap spring deformation amount to be fixed, this model utility can remain that piston ante-chamber promotes the hydraulic oil constant volume of barrier film acting, ensures the amount of deformation of metering pump barrier film, improves the reliability that metering pump exports constant flow rate, but in concrete using process, fine motion Fill valve in this patent is easy to the situation occurring that end face is revealed, traditional lip seal circle is adopted not address this problem, and the end in working life of lip seal circle, change frequently and be easy to cause the matching gap of Fill valve mounting point to change, and then affect the metering accuracy of whole metering pump, therefore how to improve the sealing at fine motion Fill valve mounting structure place, be problem demanding prompt solution.
Model utility content
The purpose of this utility model is to provide a kind of Mechanical Sealed Type compound Fill valve structure for metering pump, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of Mechanical Sealed Type compound Fill valve structure for metering pump, comprise valve body and be arranged on the sealing configuration in the outer rim of valve body upper end, valve rod is provided with in the center hole of valve body, one end that valve rod is positioned at metering pump housing is vertebral body structure, this vertebral body structure is by the conical surface and valve seal, the other end of valve rod is fixed with spring seat by setscrew nut, has multiple repairing passage be communicated with valve body center hole in the side of described valve body; Back of the body cap and adjusting nut is connected with away from one end of metering pump housing at valve body, by back of the body cap, adjusting nut is positioned, spring is provided with between described adjusting nut and spring seat, by the pretightening force of the front and back turn Regulation spring of adjusting nut, and setscrew nut and back of the body cap is adopted spring deformation amount to be fixed; Described sealing configuration comprises from top to bottom the machine that peace is arranged on valve body successively and seals seat, corrugated header, rotating ring, stationary ring and stationary seat; Machine envelope seat is arranged on the outer rim upper end of valve body, corrugated header is provided with in the below of machine envelope seat, machine envelope seat and corrugated header are connected by graphite annulus, corrugated header is provided with bellows, bellows one end is arranged on corrugated header, and the other end is connected with rotating ring, and the lower end of rotating ring arranges stationary ring, rotating ring and stationary ring end contact, stationary ring is fixed on stationary seat.
Further, described stationary seat and stationary ring are an entirety by processing nested.
Further, described stationary seat is circular groove shape and one-body molded with valve body lower end.
Further, described stationary seat skin is coated with lumarith.
Compared with prior art, the utility model adopts the spring of different elasticity coefficient to return seat fast to pull valve rod, and more natural repairing mode can reduce the loss of ante-chamber hydraulic oil; Adopt the regulative mode of adjusting nut formula to improve the Applicable scope of spring, a kind of spring can be used for multiple metering pump working condition requirement; Setscrew nut and back of the body cap is adopted to fix spring regulated quantity, prevent from loosening, the Fill valve of more conventional check ball, this fine motion Fill valve can carry out repairing at regular time and quantity, can not produce the phenomenon such as ante-chamber superpressure, membrane ruptures, motor fever that repairing too much causes; And the utility model instead of original seal ring by sealing configuration, greatly reduce the situation that end face is revealed, improve working life and the dosing accuracy of the pump housing.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Mechanical Sealed Type compound Fill valve structure for metering pump of the utility model.
In figure: 1-setscrew nut, 2-spring seat, 3-valve body, 4-adjusting nut, 5-carries on the back cap, 6-repairing passage, 7-stationary seat, 8-stationary ring, 9-rotating ring, 10-bellows, 11-corrugated header, 12-machine envelope seat, 13-valve body, 14-Regulation spring, 15-valve rod, 16-graphite annulus.
Embodiment
Be described in more detail below in conjunction with the technological scheme of embodiment to this patent.
Refer to Fig. 1, a kind of Mechanical Sealed Type compound Fill valve structure for metering pump, the sealing configuration comprising valve body 13 and be arranged in the outer rim of valve body 13 upper end, the valve rod 15 that can freely up and down slide is provided with within it in the center hole of valve body 13, one end that described valve rod 15 is positioned at metering pump housing is vertebral body structure, this vertebral body structure is sealed by the conical surface and valve body 13, the other end of valve rod 15 is fixed with spring seat 2 by setscrew nut 1, multiple repairing passage 6 be communicated with valve body 13 center hole is had in valve body 13 side, hydraulic oil enters in valve body 13 center hole by repairing passage 8, back of the body cap 5 and adjusting nut 4 is connected with away from one end of metering pump housing at valve body 13, positioned by back of the body cap 5 pairs of adjusting nuts 4, spring 14 is provided with between described adjusting nut 4 and spring seat 2, by the pretightening force of the front and back turn Regulation spring 14 of adjusting nut 4, and adopt setscrew nut 1 and back of the body cap 5 spring deformation amount to be fixed,
Described sealing configuration comprises from top to bottom the machine that peace is arranged on valve body 13 successively and seals seat 12, corrugated header 11, rotating ring 9, stationary ring 8 and stationary seat 7; Machine envelope seat 12 is arranged on the outer rim upper end of valve body 13, corrugated header 11 is provided with in the below of machine envelope seat 12, machine envelope seat 7 is connected by graphite annulus 16 with corrugated header 11, corrugated header 11 is provided with bellows 10, bellows 10 one end is arranged on corrugated header 5, the other end is connected with rotating ring 3, the lower end of rotating ring 3 arranges stationary ring, rotating ring 3 and stationary ring 2 end contact, stationary ring 2 is fixed on stationary seat 1, stationary seat 1 and stationary ring 4 are an entirety by process nested, and stationary seat 1 is circular groove shape and one-body molded with valve body 13 lower end; Described stationary seat 1 skin is coated with lumarith.
The utility model adopts the spring of different elasticity coefficient to return seat fast to pull valve rod, and more natural repairing mode can reduce the loss of ante-chamber hydraulic oil; Adopt the regulative mode of adjusting nut formula to improve the Applicable scope of spring, a kind of spring can be used for multiple metering pump working condition requirement; Setscrew nut and back of the body cap is adopted to fix spring regulated quantity, prevent from loosening, the Fill valve of more conventional check ball, this fine motion Fill valve can carry out repairing at regular time and quantity, can not produce the phenomenon such as ante-chamber superpressure, membrane ruptures, motor fever that repairing too much causes; And the utility model instead of original seal ring by sealing configuration, greatly reduce the situation that end face is revealed, improve working life and the dosing accuracy of the pump housing.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned mode of execution, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. the Mechanical Sealed Type compound Fill valve structure for metering pump, it is characterized in that, comprise valve body and be arranged on the sealing configuration in the outer rim of valve body upper end, valve rod is provided with in the center hole of valve body, one end that valve rod is positioned at metering pump housing is vertebral body structure, this vertebral body structure is by the conical surface and valve seal, and the other end of valve rod is fixed with spring seat by setscrew nut, has multiple repairing passage be communicated with valve body center hole in the side of described valve body; Back of the body cap and adjusting nut is connected with away from one end of metering pump housing at valve body, by back of the body cap, adjusting nut is positioned, spring is provided with between described adjusting nut and spring seat, by the pretightening force of the front and back turn Regulation spring of adjusting nut, and setscrew nut and back of the body cap is adopted spring deformation amount to be fixed; Described sealing configuration comprises from top to bottom the machine that peace is arranged on valve body successively and seals seat, corrugated header, rotating ring, stationary ring and stationary seat; Machine envelope seat is arranged on the outer rim upper end of valve body, corrugated header is provided with in the below of machine envelope seat, machine envelope seat and corrugated header are connected by graphite annulus, corrugated header is provided with bellows, bellows one end is arranged on corrugated header, and the other end is connected with rotating ring, and the lower end of rotating ring arranges stationary ring, rotating ring and stationary ring end contact, stationary ring is fixed on stationary seat.
2. a kind of Mechanical Sealed Type compound Fill valve structure for metering pump according to claim 1, is characterized in that, described stationary seat and stationary ring are an entirety by processing nested.
3. a kind of Mechanical Sealed Type compound Fill valve structure for metering pump according to claim 1, described stationary seat is circular groove shape and one-body molded with valve body lower end.
4. a kind of Mechanical Sealed Type compound Fill valve structure for metering pump according to claim 1, described stationary seat skin is coated with lumarith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738430.9U CN204267271U (en) | 2014-11-26 | 2014-11-26 | A kind of Mechanical Sealed Type compound Fill valve structure for metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738430.9U CN204267271U (en) | 2014-11-26 | 2014-11-26 | A kind of Mechanical Sealed Type compound Fill valve structure for metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267271U true CN204267271U (en) | 2015-04-15 |
Family
ID=52802142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420738430.9U Expired - Fee Related CN204267271U (en) | 2014-11-26 | 2014-11-26 | A kind of Mechanical Sealed Type compound Fill valve structure for metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640819A (en) * | 2017-01-24 | 2017-05-10 | 太重集团榆次液压工业有限公司 | Thread plug-in mounting type oil filling valve |
-
2014
- 2014-11-26 CN CN201420738430.9U patent/CN204267271U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640819A (en) * | 2017-01-24 | 2017-05-10 | 太重集团榆次液压工业有限公司 | Thread plug-in mounting type oil filling valve |
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Legal Events
| 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: 20150415 Termination date: 20151126 |