CN203363622U - Grease nipple - Google Patents
Grease nipple Download PDFInfo
- Publication number
- CN203363622U CN203363622U CN 201320404789 CN201320404789U CN203363622U CN 203363622 U CN203363622 U CN 203363622U CN 201320404789 CN201320404789 CN 201320404789 CN 201320404789 U CN201320404789 U CN 201320404789U CN 203363622 U CN203363622 U CN 203363622U
- Authority
- CN
- China
- Prior art keywords
- grease nipple
- grease
- boss
- hole
- ball
- 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.)
- Ceased
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- 239000004519 grease Substances 0.000 title claims abstract description 116
- 210000002445 nipple Anatomy 0.000 title claims abstract description 77
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000000428 dust Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 10
- 230000000994 depressogenic effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Transmission Devices (AREA)
Abstract
A grease nipple comprises a grease nipple body, an internal circlip, a spring and a ball. An axial center through hole is formed in the grease nipple body and comprises an upper hole and a lower hole which are communicated with each other, the upper hole and the lower hole are connected through a conical surface, and the ball is arranged on the conical surface. A clamping groove is formed in the inner wall of the lower hole, and the internal circlip is arranged in the clamping groove. The spring is arranged in the lower hole, and the two ends of the spring abut against the ball and the internal circlip respectively. A boss is integrally arranged in the middle of the outer surface of the grease nipple body, lower external threads are formed in the portion, below the boss, of the outer surface of the grease nipple body, and upper external threads are formed in the portion, above the boss, of the outer surface of the grease nipple body. An upper sealing gasket is arranged above the boss, and a lower sealing gasket is arranged below the boss, and the part, located above the upper sealing gasket, of the upper external threads are in threaded connection with a connector or a dust cap. Due to the fact that the grease nipple is in threaded connection with a grease gun, the sealing effect is good, and work efficiency is high. Due to the fact that a spherical surface makes contact with the conical surface to form a sealing structure, the grease nipple will not be damaged easily after being used for several times, and the dust cap can be used for preventing pollution.
Description
Technical field
The utility model belongs to the lubricating fitting field, particularly a kind of grease nipple, and this grease nipple is arranged on the component of machine that needs grease lubrication.
Background technique
Need on the machinery of grease lubrication at some at present, or need, on the part of high pressure grease tensioner, grease nipple often to be housed, utilize the grease gun supporting with it that grease is joined on equipment needed thereby.Domestic known straight-through grease nozzle structure is the oil inlet end of an end for being connected with grease gun at present, and the other end is for being with externally threaded cylindrical body, and inside has a through hole to run through two ends.Spring and steel ball are arranged in interior bone.The diameter of steel ball is greater than the diameter of bore of the oil inlet end be connected with grease gun, and steel ball contacts with interior cylinder hole end surface and forms sealing under the effect of spring force.Grease gun and grease nipple be connected with two kinds of forms, known A type grease gun head comprises the oil inlet end be connected with grease gun, delivery pressure by grease gun overcomes grease nipple contained spring resistance, and steel ball is depressed, and grease enters in component by the gap between grease nipple endoporus and steel ball.Known Type B Head for lubricating screw is sharp type, and Head for lubricating screw is the round mouth plane, and the rifle head inserts the oil inlet end endoporus be connected with grease gun steel ball is depressed, grease access arrangement inside.
There is following problem in traditional grease nipple:
1.A the accuracy of alignment of type, two kinds of rifle heads of Type B and grease nipple is bad, often has in use grease to extrude, inefficiency, and easily cause the illusion of equipment oil leakage when repair apparatus.
2. the grease nipple working environment is generally more severe, and the oil inlet end that traditional grease nipple is connected with grease gun is sudden and violent to be leaked outside, has pollutant and is wrapped on oil nozzle, and while again adding grease, the cleaning difficulty, easily join inside parts by pollutant, and equipment is caused damage.
3. traditional grease nipple, when high pressure conditions is used, bears pressure lower, and sealing effect is bad, and, because wall thickness is thinner, oil nozzle intensity is not high, and repeatedly service failure is very fast.
The model utility content
The purpose of this utility model is for the easy leakage of oil of traditional grease nipple, and easy contaminated problem, provide a kind of grease nipple, this grease nipple good sealing effect.
The technological scheme adopted is:
A kind of grease nipple, comprise grease nipple body, internal circlip, spring and ball.
Its technological points is:
Offer axial central through bore in the grease nipple body, central through bore comprises that the diameter in the ，Shang hole, He Xia hole, upper hole be interconnected is less than the diameter in lower hole, and upper hole connects by conical surface between the He Xia hole, and the conical surface place is equiped with ball.
Lower hole inwall offers draw-in groove, is equiped with internal circlip in draw-in groove.
Be equiped with spring in lower hole, the two ends of spring are supported mutually with ball and internal circlip respectively.
Described ball is steel ball, and the element of cone of described conical surface place circular cone and vertical direction included angle A are 30 degree-45 degree.
This external surface of grease nipple integral middle is provided with boss, and the outer surface that the grease nipple body is positioned at the boss below is provided with lower external thread, and the outer surface that the grease nipple body is positioned at the boss top is provided with upper external thread.
Boss top is provided with sealing gasket, and the below of boss is provided with the lower seal pad, the part that upper external thread is positioned at the sealing gasket top be threaded joint or dust cap.Upper sealing gasket and lower seal pad are the fine copper sealing gasket.
Being connected between grease gun and grease nipple is threaded, and under working state, has dust cap dustproof.It is 0-300MPa that this grease nipple can bear pressure range.
Its advantage is:
1. the utility model becomes grease nipple to be threaded with the connecting end design of grease gun, easy to connect, good sealing effect, high working efficiency.
The utility model grease nipple with adopt the sealing of fine copper sealing gasket between workpiece is connected, affected by operating ambient temperature little, can bear sealing load larger, sealing effect is better.
3. the utility model is in when design, and the distance of grease nipple body central through bore conical surface and end face is large, and grease nipple intensity when bearing high pressure is higher, and sealing configuration is that sphere contacts with conical surface, and repeatedly use is not fragile.
4. the utility model has down dust cap in working order, can prevent the contaminants oil nozzle.
The accompanying drawing explanation
Fig. 1 is that traditional grease nipple partly cuts open structural representation.
The sectional view that Fig. 2 is the grease gun A type rifle head of being combined with traditional grease nipple.
The plan view that Fig. 3 is the grease gun A type rifle head of being combined with traditional grease nipple.
The sectional view that Fig. 4 is the grease gun Type B rifle head of being combined with traditional grease nipple.
The plan view that Fig. 5 is the grease gun Type B rifle head of being combined with traditional grease nipple.
Structural representation when Fig. 6 is the utility model fatten.
Fig. 7 adds the structural representation of dust cap under the utility model working state.
Fig. 8 is the structural representation that the utility model is used in conjunction with the tapered thread sealing.
The sectional view that Fig. 9 is the grease nipple body.
The plan view that Figure 10 is the grease nipple body.
Embodiment
A kind of grease nipple, comprise grease nipple body 1, internal circlip 2, spring 4 and ball 6.
Offer axial central through bore 8 in grease nipple body 1, central through bore 8 comprises that the diameter in the upper hole 9 that is interconnected and 10，Shang hole, lower hole 9 is less than the diameter in lower hole 10, between upper hole 9 and lower hole 10, by conical surface 11, connects, and conical surface 11 places are equiped with ball 6.
Be equiped with spring 4 in lower hole 10, the two ends of spring 4 are supported mutually with ball 6 and internal circlip 2 respectively.
Described ball 6 is steel ball, and the element of cone of described conical surface 11 place circular cones and vertical direction included angle A are 30 degree.
Upper external thread and lower external thread are straight thread, and upper external thread is positioned at sealing gasket 5 top straight threads and is connected with joint 7, and this is the oil-feed state.
Oil-feed is backed out joint 7 after finishing, the dust cap 14 of screwing on, and this is working state, can prevent that grease nipple is contaminated.
Steel ball contacts with conical surface 11, and between steel ball and conical surface 11, line contacts, and forms linear sealing.
The boss 12 of described grease nipple body 1 has outer hexagonal structure.Joint 7 outsides have outer hexagonal structure.
Its using method is:
The boss 12 of described grease nipple body 1 has outer hexagonal structure, by interior hexagonal socket wrench, grease nipple body 1 is screwed in and needs to add on the component of grease, between grease nipple body 1 and workpiece, there is the fine copper sealing gasket to play seal action, porose with check ring 2 at the central through bore 8 of grease nipple body 1, spring 4 and steel ball, internal circlip 2 is arranged in the draw-in groove on central through bore 8, spring 4 one side pressures are on internal circlip 2, the other end has steel ball, steel ball contacts with the conical surface 11 of the central through bore 8 of grease nipple body 1 under the effect of spring force, form linear sealing.The upper external thread of grease nipple body 1 is connected with the internal thread of joint 7, joint 7 inside are tapped through hole, outside has outer hexagonal structure, joint 7 can be tightened on the upper external thread of grease nipple body 1 by interior six square box socket wrench, between joint 7 and grease nipple body 1, have the fine copper sealing gasket to play seal action.Joint 7 with externally threaded grease gun hose coupling 13(Fig. 6) be connected, grease relies on the delivery pressure of grease gun to overcome the resistance of spring, steel ball is depressed, thereby form gap between the conical surface 11 on steel ball and central through bore 8, grease enters the component inside that needs to add grease by gap.After stopping adding grease, steel ball resets under the effect of the power of spring 4, and steel ball contacts again with conical surface 11, forms sealing.If add the inner high pressure that forms of the component of grease, grease nipple is equivalent to an one-way valve, and steel ball is combined closely with conical surface 11 under the internal high pressure effect, stops internal oil pressure to be revealed.
Add the component interpolation grease of grease at needs after, joint 7 is taken off, tighten dust cap 14.The upper external thread of 14 pairs of grease nipple bodies 1 of dust cap plays the effect of proofing dust and protecting, when using next time, only needs simply dust cap 14 to be backed out, and after erection joint 7, can connect grease gun, and without the pollutant around the cleaning grease nipple, installation efficiency is high.
Oil-feed is backed out joint 7 after finishing, and changes dust cap 14, and this is working state, can prevent that grease nipple is contaminated.
Grease nipple by between joint 7 and grease gun for being threaded, at grease nipple body 1 and need to add between the part of grease and between grease nipple body 1 and joint 7 the fine copper sealing gasket is arranged respectively, during normal operation, the upper external thread of grease nipple body 1 has dust cap 14.
Claims (4)
1. a grease nipple, comprise grease nipple body (1), internal circlip (2), spring (4) and ball (6); It is characterized in that:
Offer axial central through bore (8) in grease nipple body (1), central through bore (8) comprises upper hole (9) and the lower hole (10) be interconnected, the diameter in upper hole (9) is less than the diameter of lower hole (10), between upper hole (9) and lower hole (10), by conical surface (11), connect, conical surface (11) locates to be equiped with ball (6);
Lower hole (10) inwall offers draw-in groove, is equiped with internal circlip (2) in draw-in groove;
Be equiped with spring (4) in lower hole (10), the two ends of spring (4) are supported mutually with ball (6) and internal circlip (2) respectively.
2. a kind of grease nipple according to claim 1, it is characterized in that: described ball (6) is steel ball, the element of cone of described conical surface (11) place circular cone and vertical direction included angle A are 30 degree-45 degree.
3. a kind of grease nipple according to claim 1, it is characterized in that: grease nipple body (1) outer surface integral middle is provided with boss (12), the outer surface that grease nipple body (1) is positioned at boss (12) below is provided with lower external thread, and the outer surface that grease nipple body (1) is positioned at boss (12) top is provided with upper external thread;
Boss (12) top is provided with sealing gasket (5), and the below of boss (12) is provided with lower seal pad (3), the part that upper external thread is positioned at sealing gasket (5) top be threaded joint (7) or dust cap (14).
4. a kind of grease nipple according to claim 3, is characterized in that: go up sealing gasket (5) and lower seal pad (3) and be the fine copper sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320404789 CN203363622U (en) | 2013-07-09 | 2013-07-09 | Grease nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320404789 CN203363622U (en) | 2013-07-09 | 2013-07-09 | Grease nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203363622U true CN203363622U (en) | 2013-12-25 |
Family
ID=49811381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320404789 Ceased CN203363622U (en) | 2013-07-09 | 2013-07-09 | Grease nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203363622U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429876A (en) * | 2014-09-30 | 2017-12-01 | 内瓦利克控股有限公司 | Fluid supplying apparatus |
| CN108533941A (en) * | 2018-03-09 | 2018-09-14 | 漯河安润设备有限公司 | The accurate fluidic device of adjustable straight line and rotary kiln tyre lubricating fluid fluidic system |
| CN113983341A (en) * | 2021-11-05 | 2022-01-28 | 济南中正金码科技有限公司 | Large-flow automatic drip-proof nozzle |
-
2013
- 2013-07-09 CN CN 201320404789 patent/CN203363622U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429876A (en) * | 2014-09-30 | 2017-12-01 | 内瓦利克控股有限公司 | Fluid supplying apparatus |
| CN108533941A (en) * | 2018-03-09 | 2018-09-14 | 漯河安润设备有限公司 | The accurate fluidic device of adjustable straight line and rotary kiln tyre lubricating fluid fluidic system |
| CN113983341A (en) * | 2021-11-05 | 2022-01-28 | 济南中正金码科技有限公司 | Large-flow automatic drip-proof nozzle |
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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: GAO RUN Free format text: FORMER OWNER: LI HONGWEI Effective date: 20140528 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 110051 SHENYANG, LIAONING PROVINCE TO: 037301 DATONG, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140528 Address after: 037301 Shanxi province Datong equipment manufacturing industrial park Datong Tonghua Mining Machinery Manufacturing Co., Ltd. Patentee after: Gao Run Address before: 1809 Wanda Xintiandi, 18 South Street, Heping District, Heping District, Liaoning, Taiyuan 110051, China, Shenyang Patentee before: Li Hongwei |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160829 Address after: 100096 Beijing city Changping District Huilongguan Huang Road No. 19, No. 2 hospital 1603 Patentee after: Beijing bashkai Guanhua Technology Co. Ltd. Address before: 037301 Shanxi province Datong equipment manufacturing industrial park Datong Tonghua Mining Machinery Manufacturing Co., Ltd. Patentee before: Gao Run |
|
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20210105 Decision number of declaring invalidation: 47401 Granted publication date: 20131225 |
|
| IW01 | Full invalidation of patent right |