KR200485475Y1 - Protection cap for a T-type nipple - Google Patents

Protection cap for a T-type nipple Download PDF

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Publication number
KR200485475Y1
KR200485475Y1 KR2020160005629U KR20160005629U KR200485475Y1 KR 200485475 Y1 KR200485475 Y1 KR 200485475Y1 KR 2020160005629 U KR2020160005629 U KR 2020160005629U KR 20160005629 U KR20160005629 U KR 20160005629U KR 200485475 Y1 KR200485475 Y1 KR 200485475Y1
Authority
KR
South Korea
Prior art keywords
nipple
protective cap
cap
protection cap
nipples
Prior art date
Application number
KR2020160005629U
Other languages
Korean (ko)
Inventor
손승완
홍영완
이동진
Original Assignee
주식회사 센트랄
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 주식회사 센트랄 filed Critical 주식회사 센트랄
Priority to KR2020160005629U priority Critical patent/KR200485475Y1/en
Application granted granted Critical
Publication of KR200485475Y1 publication Critical patent/KR200485475Y1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
    • F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
    • F16N21/02—Lubricating nipples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
    • F16N21/06—Covering members for nipples, conduits or apertures

Abstract

The object of the present invention is to provide a T-shaped nipple protection cap capable of preventing loss of the protective cap from being separated from the T-shaped nipple and protecting both sides of the nipple with a single product.
In order to achieve the above object, the present invention provides a lubricating oil supply device for a lubricating oil, comprising: a pair of nipples provided on both sides of an injection pipe into which a lubricant is injected, A T-shaped nipple protection cap comprising a first protection cap and a second protection cap respectively coupled to the pair of nipples, and a connection member integrally connected between the first protection cap and the second protection cap .

Description

T-shaped nipple protection cap {Protection cap for a T-type nipple}

The present invention relates to a T-shaped nipple protection cap, and more particularly, to a T-shaped nipple for preventing leakage of a protective cap from a T-shaped nipple for injecting a lubricant such as grease, Shaped nipple protection cap.

Generally, a universal joint is a universal joint in which two axes that transmit power are spaced apart from each other, or two axes are disposed on the same axial line, As a kind of shaft joint used, it is used in a connecting portion such as a propeller shaft, a drive shaft, or a steering device in an automobile.

1 and 2, the universal joint 100 is installed between a driving shaft S1 for transmitting power and a propelling shaft S2 for receiving the power. The universal joint 100 includes a first yoke 110 And the second yoke 120 of the propelling shaft S2 and the first yoke 110 and the second yoke 120 so that the first yoke 110 and the second yoke 120 are perpendicularly coupled And a cross shaft 130.

The cross shaft 130 has a shaft header portion 133 protruded in four directions perpendicular to each other in the body 131. A needle bearing (not shown) is formed on the outer side surface of the shaft header portion 133, And a bearing cap 134 is coupled to the bearing cap 134.

The first yoke 110 and the second yoke 120 are formed with first fitting holes 111 and 112 and second fitting holes 121 and 122 through which the bearing cap 134 is inserted. Accordingly, the cross shaft 130 is rotatably coupled to the first yoke 110 and the second yoke 120.

On one side of the body 131 of the cross shaft 130, a grease (not shown) is inserted between the shaft header portion 133 and the needle bearing (not shown) and the bearing cap 134 to prevent friction, And a T-shaped nipple 140 for supplying a lubricant such as a lubricant.

The T-shaped nipple 140 includes an injection pipe 141 into which a lubricant is injected, and first nipples 142 and second nipples 143 protruding from both sides of the injection pipe 141 to receive lubricant.

After the lubricant is injected into the first and second nipples 142 and 143, as shown in FIGS. 3 and 4, the first and second nipples 142 and 143, (10, 10-1, 10-2) are coupled to the first nipple (142) and the second nipple (143), respectively, in order to prevent foreign matter from entering into the interior of the first housing (130). The protective cap 10 has a structure in which a receiving groove 12 for receiving the nipples 142 and 143 is formed in the body 11.

Conventionally, the protective caps 10, 10-1, and 10-2 include a first protective cap 10-1 coupled to the first nipple 142, a second protective cap 10-1 coupled to the second nipple 143, The protection caps 10, 10-1 and 10-2 can be prevented from vibrating due to the rotation and swinging of the cruciform shaft 130 during running of the vehicle or by the user's poor management. The nipples 142 and 143 are separated and lost.

As a prior art related to such a nipple protection cap, there is disclosed in Korean Utility Model Publication No. 20-1998-043228, a grease having a separation preventing tip portion for preventing the head portion of the nipple from being separated from the receiving groove formed inside the protective cap, A configuration of a nipple protection cap is disclosed.

As another prior art, in Utility Model Publication (Y1) No. 1993-0006023, an insertion groove is formed in the main body of the apparatus, a nipple is provided on the bottom surface of the insertion groove, a female thread is formed on the side surface of the insertion groove, And a lubricant nipple protection cap formed with a male screw portion engaged with the lubricant nipple.

However, the nipple protection cap of the aforementioned Utility Model Publication (U) No. 20-1998-043228 is disadvantageous in that the coupling between the protection cap and the nipple is not rigid, and the nipple protection cap of the aforementioned Utility Model Publication (Y1) 1993-0006023 Can be applied only to a structure built in the insertion groove of the main body of the apparatus, so that the application range thereof is limited.

The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a T-shaped nipple protection cap capable of preventing loss due to separation of a protective cap from a T-shaped nipple and protecting both nipples with a single product. It has its purpose.

The T-shaped nipple protection cap 200 of the present invention for realizing the above-described object is provided on both sides of the injection pipe 141 into which the lubricant is injected, and is provided with a pair of nipples 142 and 143 Shaped nipple protection cap (200) coupled to the pair of nipples (142, 143) so as to be detachably coupled to the pair of nipples (142, 143) A protective cap 210 and a second protective cap 220; And a connection member 230 which is integrally connected between the first protective cap 210 and the second protective cap 220. The connection member 230 may be formed of a material such as a metal, A first connection member 230a connecting one end of the lower end of the second protection cap 220 and one end of the lower end of the second protection cap 220; And a second connection member 230b connecting the other end of the lower end of the first connection member 230a and the other end of the second connection member 230b, And the folded portion 240 to which the other end of the first linking member 230a and the other end of the second linking member 230b are connected are respectively connected to the first protective cap 210 and the second protective cap 220 Is formed with a groove (241) for allowing the connection member (230) to be folded smoothly with reference to the connecting member (230).

A first nipple 142 located at one side of the pair of nipples 142 and 143 is accommodated in the first protective cap 210 and a first nipple accommodating groove 142 having a shape corresponding to the first nipple 142 A second nipple 143 located on the other of the pair of nipples 142 and 143 is accommodated in the second protective cap 220 and a second nipple 143 corresponding to the second nipple 143 The second nipple receiving groove 222 may be formed.

delete

The first connection member 230a and the second connection member 230b are convexly curved outwardly in a direction opposite to each other. The first connection member 230a is connected to one side of the injection tube 141 And the second connection member 230b may be coupled to the other side of the injection tube 141.

The first protection cap 210, the second protection cap 220, and the connection member 230 may be made of rubber or synthetic resin.

The upper end of the first protective cap 210 and the upper end of the second protective cap 220 may have flange portions 213 and 223 functioning as a handle.

The T-shaped nipple 140 may be used to supply a lubricant to the cross shaft 130 of the universal joint 100.

According to the T-shaped nipple protection cap according to the present invention, the first protection cap and the second protection cap for protecting the first and second nipples formed on both sides of the injection tube are integrally connected by the connecting member, Shaped nipple is prevented from being lost due to the detachment of the protective cap, and the nipple on both sides can be protected by a single product.
When the protection cap is coupled to the T-shaped nipple, the first connection member and the second connection member are connected to the lower end of the first protection cap and the lower end of the second protection cap, The first protective cap and the second protective cap are tightly pulled in the direction toward the first nipple and the second nipple, respectively, so that the first protective cap and the second protective cap are separated from each other, It is possible to prevent the first nipple and the second nipple from being separated from each other and firmly maintain the coupled state.
When the first protection cap and the second protection cap are respectively coupled to the first and second nipples by forming grooves on the folded portions on both sides where the first connection member and the second connection member are connected, The first protective cap and the second protective cap can be easily coupled to the first nipple and the second nipple without applying a large force.

Figure 1 is a perspective view of a universal joint,
Fig. 2 is an exploded perspective view of Fig. 1,
3 is a perspective view showing a state where a conventional T-shaped nipple protection cap is coupled to a T-shaped nipple,
4 is a front view and a longitudinal sectional view (b) of a conventional T-shaped nipple protection cap,
5 is a perspective view showing a T-shaped nipple protection cap according to the present invention coupled to a T-shaped nipple,
6 is a perspective view and (b) a longitudinal sectional view of the T-shaped nipple protective cap according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Here, the same reference numerals are used for the same constituent elements as those of the prior art, and a detailed description thereof will be omitted for the same elements as those described in the prior art, I will explain.

FIG. 5 is a perspective view showing a T-shaped nipple protection cap coupled to a T-shaped nipple according to the present invention, and FIG. 6 is a perspective view and (b) a longitudinal sectional view of a T-shaped nipple protection cap according to the present invention.

In one embodiment, the T-shaped nipple protection cap 200 of the present invention is used to supply a lubricant such as grease to the cruciform shaft 130 constituting the universal joint 100.

As described in the related art, the cross shaft 130 has a body 131 and a shaft header 133 protruded in four directions perpendicular to each other in the body 131, and the shaft header 133, And a bearing cap 134 is coupled to the outer side of the needle bearing (not shown).

A lubricant such as grease is applied to one side of the body 131 of the cruciform shaft 130 to prevent friction between the cruciform shaft 130 and the bearing bearing 134 And a T-shaped nipple 140 for supplying a T-shaped nipple.

The T-shaped nipple 140 includes an injection pipe 141 into which a lubricant is injected, and first nipples 142 and second nipples 143 protruding from both sides of the injection pipe 141 to receive lubricant.

The T-shaped nipple protection cap 200 of the present invention includes a first protection cap 210 coupled to the first nipple 142, a second protection cap 220 coupled to the second nipple 143, And a connection member 230 integrally connected between the first protective cap 210 and the second protective cap 220.

The first protective cap 210 has a first nipple receiving groove 212 formed in the first body 211 and corresponding to the first nipple 142 to receive the first nipple 142 A first flange portion 213 protruding outward from an upper end of the first body 211 and having a first flange portion 213 functioning as a handle when the first protection cap 210 is coupled to or separated from the first nipple 142, Respectively.

The second protective cap 220 has the same structure as the first protective cap 210. The second protective cap 220 has a shape corresponding to the second nipple 143 in the second body 221, A second nipple receiving groove 222 is formed in the second nipple receiving groove 222 and the second nipple receiving groove 222 is formed in the second nipple receiving groove 222. The second nipple receiving groove 222 is formed in the upper end of the second body 221, A second flange portion 223 functioning as a handle is formed.

The connection member 230 includes a first connection member 230a connecting one end of the first protection cap 210 and one end of the second protection cap 220, And a second connecting member 230b connecting the other end of the second protective cap 220 to the other end of the second protective cap 220.

The first linking member 230a and the second linking member 230b are curved outwardly so as to extend in opposite directions. When the first protective cap 210 and the second protective cap 220 are coupled to the first nipple 142 and the second nipple 143 respectively, And the second connecting member 230b is positioned so as to extend around the other side of the injection tube 141 so that the T-shaped nipple protection cap 200 extends from the T-shaped nipple 140 Can be prevented from being separated.

The first protective cap 210, the second protective cap 220, and the connecting members 230 and 230a and 230b may be made of elastic rubber or synthetic resin.

When the first protective cap 210 and the second protective cap 220 are coupled to the first nipple 142 and the second nipple 143 respectively, 230a and 230b are bent so that the first nipple 142 and the second nipple receiving groove 222 of the second protective cap 220 are opposed to each other, The first protective cap 210 is coupled to the first nipple 142 to be received in the first nipple receiving groove 212 and the second nipple 143 is coupled to the second nipple receiving groove 222, (220) to the second nipple (143).

The first nipple receiving groove 212 and the second nipple receiving groove 222 formed in the first protective cap 210 and the second protective cap 220 are made of a stretchable material, The outer surface of the first nipple 142 and the outer surface of the second nipple 143 are formed to correspond to the first protective cap 210 and the second protective cap 220, The sealed state can be maintained. Therefore, it is possible to prevent foreign matter such as dust from entering the inside of the cross shaft 130 through the first nipple 142 and the second nipple 143.

The first protective cap 210 and the second protective cap 220 are connected to each other by the connecting member 230 so that the first protective cap 210 and the second protective cap 220 are connected to each other. The first nipple 142 and the second nipple 143 can be firmly held and the first nipple 142 and the second nipple 143 located on both sides can be protected simultaneously by one product .

Also, since the T-shaped nipple protection cap 200 of the present invention has a structure in which the first protection cap 210 and the second protection cap 220 are integrally formed, the protective cap 10 (10-1, 10-2 10-1 and 10-2, which may be caused by a separate component, can be solved, and the configuration of the apparatus can be simplified. The first connection member 230a and the second connection member 230b are connected to the lower end of the first protection cap 210 and the lower end of the second protection cap 220, The first connection member 230a and the second connection member 230b are positioned to be in close contact with the outer surface of the injection tube 141 and the first and second connection members 230a and 230b are positioned in close contact with the outer surface of the injection tube 141, The protective cap 220 is pulled tightly in the direction toward the first nipple 142 and the second nipple 143 so that the first protective cap 210 and the second protective cap 220 are separated from the first nipple 142 And the second nipple 143 can be prevented from being separated from each other and the joined state can be firmly maintained. The grooves 241 are formed in the folded portions 240 at both sides where the first and second connection members 230a and 230b are connected to each other so that the first and second protection caps 210, Since the first and second protective caps 220 and 220 can be flexibly folded on the basis of the connecting member 230 when the first and second nipples 142 and 143 are coupled to the first and second nipples 142 and 143, Can be easily coupled to the first nipple 142 and the second nipple 143 without applying a large force.

In the present specification, the T-shaped nipple protection cap 200 of the present invention is described as being attached to the T-shaped nipple 140 used for supplying lubricant to the cross shaft 130 of the universal joint. However, Is not limited to such an application, and it is obvious that it can be widely applied to various fields in which a T-shaped nipple is used.

10: protective cap 11: body
12: Nipple accommodating groove 100: Universal joint
110: first yoke 111, 112: first fitting hole
120: second yoke 121, 122: second fitting hole
130: Cross shaft 131: Body
132: inlet 133: shaft header part
134: Bearing cap 140: T-shaped nipple
141: injection tube 142: first nipple
143: second nipple 200: protective cap
210: first protective cap 211: first body
212: first nipple receiving groove 213: first flange portion
220: second protection cap 221: second body
222: second nipple receiving groove 223: second flange portion
230: connecting member 230a: first connecting member
230b: second connecting member 240: folded portion
241: groove S1: drive shaft
S2: Propeller shaft

Claims (7)

The nipple 140 is coupled to the pair of nipples 142 and 143 by a pair of nipples 142 and 143 formed on both sides of the injection pipe 141 into which the lubricant is injected and includes a pair of nipples 142 and 143 into which the lubricant flows, Shaped nipple protection cap (200)
A first protective cap 210 and a second protective cap 220 respectively coupled to the pair of nipples 142 and 143; And a connection member (230) integrally connected between the first protective cap (210) and the second protective cap (220)
The connection member 230 includes a first connection member 230a connecting one end of the lower end of the first protection cap 210 and one end of the lower end of the second protection cap 220, And a second connection member 230b connecting the other end of the lower end of the cap 210 to the other end of the lower end of the second protection cap 220,
A folded portion 240 to which one end of the first linking member 230a and one end of the second linking member 230b are connected to each other and a second end of the first linking member 230a and the second linking member 230b The folded part 240 to which the other end of the second protective cap 220 is connected is provided with a groove 241 for flexibly folding the first protective cap 210 and the second protective cap 220 on the basis of the connecting member 230, ) Is formed on the inner surface of the T-shaped nipple protection cap. The method according to claim 1,
A first nipple 142 located at one side of the pair of nipples 142 and 143 is accommodated in the first protective cap 210 and a first nipple accommodating groove 142 having a shape corresponding to the first nipple 142 (212) is formed,
A second nipple 143 located at the other one of the pair of nipples 142 and 143 is accommodated in the second protective cap 220 and a second nipple accommodating groove 142 having a shape corresponding to the second nipple 143 (222) is formed on the outer peripheral surface of the T-shaped nipple. delete The method according to claim 1,
The first linking member 230a and the second linking member 230b are curved in an outwardly convex shape so as to extend in opposite directions,
Wherein the first connection member 230a extends around one side of the injection tube 141 and the second connection member 230b extends over the other side of the injection tube 141. [ T-Shaped Nipple Protective Cap. The method according to claim 1,
Wherein the first protective cap (210), the second protective cap (220), and the connecting member (230) are made of rubber or synthetic resin. The method according to claim 1,
Wherein a flange portion (213, 223) functioning as a handle is formed on the upper end of the first protective cap (210) and the upper end of the second protective cap (220). The method according to claim 1,
Wherein the T-shaped nipple (140) is used for supplying a lubricant to the cross shaft (130) of the universal joint (100).
KR2020160005629U 2016-09-29 2016-09-29 Protection cap for a T-type nipple KR200485475Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020160005629U KR200485475Y1 (en) 2016-09-29 2016-09-29 Protection cap for a T-type nipple

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020160005629U KR200485475Y1 (en) 2016-09-29 2016-09-29 Protection cap for a T-type nipple

Publications (1)

Publication Number Publication Date
KR200485475Y1 true KR200485475Y1 (en) 2018-01-15

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ID=61275139

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Application Number Title Priority Date Filing Date
KR2020160005629U KR200485475Y1 (en) 2016-09-29 2016-09-29 Protection cap for a T-type nipple

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5188564A (en) * 1991-03-28 1993-02-23 Dana Corporation Lubrication device for universal joint assembly
US8434597B2 (en) * 2008-12-11 2013-05-07 Fluid Defense Systems, Llc Fitting cover
US8875842B2 (en) * 2009-09-08 2014-11-04 Aktiebolaget Skf Cap for a grease nipple
CN104154403B (en) * 2014-08-08 2016-06-29 诸暨市樱芝雪机械有限公司 A kind of multifunctional lubricating oil gun pump nozzle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5188564A (en) * 1991-03-28 1993-02-23 Dana Corporation Lubrication device for universal joint assembly
US8434597B2 (en) * 2008-12-11 2013-05-07 Fluid Defense Systems, Llc Fitting cover
US8875842B2 (en) * 2009-09-08 2014-11-04 Aktiebolaget Skf Cap for a grease nipple
CN104154403B (en) * 2014-08-08 2016-06-29 诸暨市樱芝雪机械有限公司 A kind of multifunctional lubricating oil gun pump nozzle

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