CN202132299U - Oil compensating valve for proportional multitandem valve - Google Patents
Oil compensating valve for proportional multitandem valve Download PDFInfo
- Publication number
- CN202132299U CN202132299U CN201120234809U CN201120234809U CN202132299U CN 202132299 U CN202132299 U CN 202132299U CN 201120234809 U CN201120234809 U CN 201120234809U CN 201120234809 U CN201120234809 U CN 201120234809U CN 202132299 U CN202132299 U CN 202132299U
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- CN
- China
- Prior art keywords
- valve
- spring
- seat
- proportional
- multitandem
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an oil compensating valve for a proportional multitandem valve. The oil compensating valve comprises a valve seat, a sealing ring, a spring, a spring seat and a valve core, wherein the sealing ring is matched with the valve seat; the spring, the spring seat and the valve core are arranged in the valve seat; and the spring adopts a conical spiral spring. Owing to adoption of the conical spiral spring, the oil compensating valve provided by the utility model has the advantages that the axial size can be greatly reduced, the structure is more compact, the mounting size is small, and the structure and size requirement of the proportional multitandem valve is satisfied, as a result, the oil compensating valve is widely applicable to the proportional multitandem valve with a compact structure.
Description
Technical field
The utility model relates to a kind of Fill valve, more particularly relates to a kind of proportional multi-path valve and uses Fill valve.
Background technique
Known multi-way valve is used Fill valve at present, generally all adopts cylindrically coiled spring, owing to pressed and height restriction by cylindrically coiled spring, axial dimension is big, and therefore existing Fill valve can not use above the proportional multi-path valve of compact structure.
Summary of the invention
The technical problem that the utility model will solve provides a kind of proportional multi-path valve and uses Fill valve; The technological scheme that it adopts is: a kind of proportional multi-path valve is used Fill valve; Comprise valve seat; With the seal ring that valve seat matches, place spring, spring seat and spool in the valve seat, wherein said spring is a tapered coil spring.
The utility model technical characteristics further is:
Said spool is provided with the targeting part that is complementary with valve seat.
Said spool is provided with oil guide slot.
The beneficial effect of the utility model is: because the utility model has adopted tapered coil spring; Therefore axial dimension can reduce greatly, and structure is compact more, and installation dimension is little; Satisfy proportional multi-path valve arrangement size needs, therefore can be widely used on the proportional multi-path valve of compact structure.
Description of drawings
Fig. 1 is the utility model structure sectional view;
Fig. 2 is the assembling schematic representation of the utility model and proportional multi-path valve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Referring to figs. 1 through shown in Figure 2, a kind of proportional multi-path valve is used Fill valve, comprises the seal ring 2 that valve seat 1 and valve seat 1 match, and places spring 3, spring seat 4 and spool 5 in the valve seat, and wherein said spring 3 is a tapered coil spring.
For ease of installing, in the embodiment shown in fig. 1, said spool 5 is provided with the targeting part 501 that is complementary with valve seat 1, also is provided with oil guide slot 502 on the said spool simultaneously.
In practical application,, on proportional multi-path valve body 6, mounting hole is arranged with reference to Fig. 2; Fixed valve base 1 successively, seal ring 2, tapered coil spring 3; Spring seat 4 and Fill valve spool 5; The hole coupling of the Fill valve spool lower end conical surface and proportional multi-path valve oil back chamber 601, Fill valve spool 5 guarantee the spool 5 lower end conical surfaces and 601 sealings of proportional multi-path valve oil back chamber through upper end targeting part 501 and valve seat 1 coupling.When negative pressure appearred in oil pocket 602, the oil of oil back chamber 601 the insides was pushed Fill valve spool 5 open, and tapered coil spring 3 above the compression is to oil pocket 602 repairings.
Because the utility model adopted tapered coil spring, so axial dimension can reduce greatly, and structure is compact more, and installation dimension is little, satisfies proportional multi-path valve arrangement size needs, therefore can be widely used on the proportional multi-path valve of compact structure.
Claims (3)
1. a proportional multi-path valve is used Fill valve, comprises the seal ring that valve seat and valve seat match, and places spring, spring seat and spool in the valve seat, and it is characterized in that: described spring is a tapered coil spring.
2. proportional multi-path valve as claimed in claim 1 is used Fill valve, it is characterized in that: said spool is provided with the targeting part that is complementary with valve seat.
3. proportional multi-path valve as claimed in claim 1 is used Fill valve, it is characterized in that: said spool is provided with oil guide slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120234809U CN202132299U (en) | 2011-07-05 | 2011-07-05 | Oil compensating valve for proportional multitandem valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120234809U CN202132299U (en) | 2011-07-05 | 2011-07-05 | Oil compensating valve for proportional multitandem valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132299U true CN202132299U (en) | 2012-02-01 |
Family
ID=45521068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120234809U Expired - Lifetime CN202132299U (en) | 2011-07-05 | 2011-07-05 | Oil compensating valve for proportional multitandem valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202132299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148037A (en) * | 2013-03-20 | 2013-06-12 | 镇江华瑞液压机械有限公司 | High-safety combined oil inlet valve |
-
2011
- 2011-07-05 CN CN201120234809U patent/CN202132299U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148037A (en) * | 2013-03-20 | 2013-06-12 | 镇江华瑞液压机械有限公司 | High-safety combined oil inlet valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI QT HYDRAULIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI QT FLUID TECHNOLOGY CO., LTD. Effective date: 20120524 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120524 Address after: 201801 Shanghai Jiading District Malu Town Great Road No. 501 three layer Patentee after: Shanghai Qiangtian Hydraulic Technology Co., Ltd. Address before: Jiading District, Malu Town, Shanghai City Sheng Road No. 1080-2 201801 Patentee before: Shanghai Qiangtian Liquid Technology Co., Ltd. |