CN202691398U - Fork truck lift oil cylinder tee joint - Google Patents
Fork truck lift oil cylinder tee joint Download PDFInfo
- Publication number
- CN202691398U CN202691398U CN 201220260104 CN201220260104U CN202691398U CN 202691398 U CN202691398 U CN 202691398U CN 201220260104 CN201220260104 CN 201220260104 CN 201220260104 U CN201220260104 U CN 201220260104U CN 202691398 U CN202691398 U CN 202691398U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- external thread
- thread section
- fork truck
- ring seal
- 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 - Fee Related
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model relates to the technical field of fork trucks, and particularly relates to a fork truck lift oil cylinder tee joint which comprises a joint body, wherein the joint body is respectively provided with an oil cylinder interface, an oil inlet, and a flow dividing port; a back external thread segment and a front external thread segment are arranged on the excircle wall of the oil cylinder interface; the back external thread segment is connected with a nut; an annular groove is formed between the back external thread segment and the front external thread segment; a gasket and an annular seal ring are sleeved on the excircle wall of the annular groove; and the gasket is arranged between the nut and the annular seal ring. When the fork truck lift oil cylinder tee joint provided by the utility model is used, the annular seal ring is tightly pressed by the nut and the gasket, so that the annular seal ring forms a sealing surface at the oil cylinder interface, which further enhances the sealing property of the fork truck lift oil cylinder tee joint, and eliminates the phenomenon of oil leakage at the oil cylinder interface. The fork truck lift oil cylinder tee joint has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like.
Description
Technical field
The utility model relates to the fork truck technical field, particularly a kind of forklift lifting oil cylinder tee union.
Background technique
Fork truck has loading and unloading and carrying function at present, and maneuverability can adapt to changeable loading and unloading and carrying requirement, so fork truck is applied to a lot of different places.Because fork truck generally used, the function of fork truck is also constantly perfect, thereby so that various oil-way pipe connects frequently, bears pressure and sealability with regard to what greatly reduce each connecting body like this.As: the lift cylinder as the fork truck hydraulic power supply can connect a tee union usually, and selects one of them port as the bridge that connects other interface; But the oilhole pressure of lift cylinder is larger, and the sealability of tee union is relatively poor, so that the frequent leakage of oil in the joint of the oilhole of lift cylinder and tee union, the user is worried because often needing to change tee union, also brings certain economic loss to the user simultaneously.Become the in the industry focus of research so how to guarantee the problems such as the sealability of various oil-way pipes and voltage endurance capability.
The model utility content
The purpose of this utility model is for the defective of prior art and deficiency, and forklift lifting oil cylinder tee union a kind of simple in structure, reasonable in design, easy to use is provided.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of forklift lifting oil cylinder tee union described in the utility model, comprise joint body, described joint body is respectively equipped with oil cylinder interface, filler opening and split-flow opening, the cylindrical wall of described oil cylinder interface is provided with rear external thread section and front external thread section, the described rear external thread section nut that has been threaded, be provided with annular groove between described rear external thread section and the described front external thread section, be nested with pad and O-ring seal on the cylindrical wall of described annular groove, described pad is arranged between nut and the O-ring seal.
Further, the outer shroud slightly larger in diameter of described O-ring seal ring diameter outside front external thread section.
Further, the cross section of described O-ring seal is toroidal.
Further, described O-ring seal adopts rubber material to make.
After adopting said structure, the utility model beneficial effect is: a kind of forklift lifting oil cylinder tee union described in the utility model, comprise joint body, described joint body is respectively equipped with the oil cylinder interface, filler opening and split-flow opening, the cylindrical wall of described oil cylinder interface is provided with rear external thread section and front external thread section, the described rear external thread section nut that has been threaded, be provided with annular groove between described rear external thread section and the described front external thread section, be nested with pad and O-ring seal on the cylindrical wall of described annular groove, described pad is arranged between nut and the O-ring seal, when using the utility model, pressing O-ring seal by nut and pad, make O-ring seal form sealing surface one at the oil cylinder jointing, and then strengthened forklift lifting oil cylinder tee union sealability, stopped the oil leakage phenomenon of oil cylinder jointing.The utlity model has simple in structurely, arrange rationally, the advantage such as fabricating cost is low.
Description of drawings
Fig. 1 is sectional view of the present utility model;
Fig. 2 is plan view of the present utility model;
Description of reference numerals:
1, joint body; 11, oil cylinder interface; 111, rear external thread section; 112, annular groove; 113, front external thread section; 12, filler opening; 13, split-flow opening; 2, nut; 3, pad; 4, O-ring seal.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1 and Figure 2, a kind of forklift lifting oil cylinder tee union described in the utility model, comprise joint body 1, described joint body 1 is respectively equipped with oil cylinder interface 11, filler opening 12 and split-flow opening 13, oil cylinder interface 11 is connected with the lift cylinder interface, filler opening 12 is connected with the interface (or solenoid valve) of hydraulic oil unit, and split-flow opening 13 is connected with other oil pipe.
The cylindrical wall of described oil cylinder interface 11 is provided with rear external thread section 111 and front external thread section 113, and front external thread section 113 is connected with the interface thread of lift cylinder, described rear external thread section 111 nut 2 that has been threaded; Be provided with annular groove 112 between described rear external thread section 111 and the described front external thread section 113, be nested with pad 3 and O-ring seal 4 on the cylindrical wall of described annular groove 112, described pad 3 is arranged between nut 2 and the O-ring seal 4.Front external thread section 113 precession lift cylinder interfaces of the present utility model just stop to screw action until O-ring seal 4 compresses the end face of lift cylinder interface; Utilize nut 2 extruding pads 3 this moment, pad 3 stressed rear extruding O-ring seals 4, O-ring seal 4 is subjected to external force extrusion-deformation, thereby O-ring seal 4 is fully contacted with the end face of lift cylinder interface, forms a sealing surface, plays seal action.
In order to allow the O-ring seal 4 of extrusion can be fully and the end contact of lift cylinder interface, guarantee its due sealing effect, so the cross section of O-ring seal 4 should be toroidal, and the outer ring diameter of described O-ring seal 4 is larger than front external thread section 113 outer ring diameters.
In order to increase the sealability of O-ring seal 4, increase its elasticity, described O-ring seal 4 should adopt rubber material to make.
When connecting lift cylinder with the utility model, can strengthen forklift lifting oil cylinder tee union sealability, stop the oil leakage phenomenon of lift cylinder jointing; And the long service life of forklift lifting oil cylinder tee union, not fragile, thus reduce user's economic loss.In addition, this is simple in structure, reasonable in design, low cost of manufacture.
The above only is preferred embodiments of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (4)
1. forklift lifting oil cylinder tee union, comprise joint body (1), described joint body (1) is respectively equipped with oil cylinder interface (11), filler opening (12) and split-flow opening (13), it is characterized in that: the cylindrical wall of described oil cylinder interface (11) is provided with rear external thread section (111) and front external thread section (113), described rear external thread section (111) nut (2) that has been threaded, be provided with annular groove (112) between described rear external thread section (111) and the described front external thread section (113), be nested with pad (3) and O-ring seal (4) on the cylindrical wall of described annular groove (112), described pad (3) is arranged between nut (2) and the O-ring seal (4).
2. forklift lifting oil cylinder tee union according to claim 1, it is characterized in that: the outer shroud slightly larger in diameter of described O-ring seal (4) is ring diameter outside front external thread section (113).
3. forklift lifting oil cylinder tee union according to claim 1 and 2, it is characterized in that: the cross section of described O-ring seal (4) is toroidal.
4. forklift lifting oil cylinder tee union according to claim 3 is characterized in that: described O-ring seal (4) adopts rubber material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260104 CN202691398U (en) | 2012-06-02 | 2012-06-02 | Fork truck lift oil cylinder tee joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260104 CN202691398U (en) | 2012-06-02 | 2012-06-02 | Fork truck lift oil cylinder tee joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202691398U true CN202691398U (en) | 2013-01-23 |
Family
ID=47547020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220260104 Expired - Fee Related CN202691398U (en) | 2012-06-02 | 2012-06-02 | Fork truck lift oil cylinder tee joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202691398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216656A (en) * | 2013-04-01 | 2013-07-24 | 无锡富盛阀业有限公司 | Brass ball valve sealing device for refrigerator |
| CN106764193A (en) * | 2017-03-02 | 2017-05-31 | 张明 | A kind of flared type taper thread free flow coupling body |
-
2012
- 2012-06-02 CN CN 201220260104 patent/CN202691398U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216656A (en) * | 2013-04-01 | 2013-07-24 | 无锡富盛阀业有限公司 | Brass ball valve sealing device for refrigerator |
| CN106764193A (en) * | 2017-03-02 | 2017-05-31 | 张明 | A kind of flared type taper thread free flow coupling body |
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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: 20130123 Termination date: 20150602 |
|
| EXPY | Termination of patent right or utility model |