CN206750763U - A kind of dust-proof chain - Google Patents
A kind of dust-proof chain Download PDFInfo
- Publication number
- CN206750763U CN206750763U CN201720422434.XU CN201720422434U CN206750763U CN 206750763 U CN206750763 U CN 206750763U CN 201720422434 U CN201720422434 U CN 201720422434U CN 206750763 U CN206750763 U CN 206750763U
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- China
- Prior art keywords
- sleeve
- attached plate
- sealing ring
- chain
- dust
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Abstract
The utility model discloses a kind of dust-proof chain, the loop configuration formed is connected from beginning to end by multiple chain links, chain link includes the outer curved attached plate of the outer curved attached plate of macropore, aperture, inner link, bearing pin and only lock pin, curved attached plate is located at the both sides of inner link respectively outside large and small hole, curved attached plate is connected with inner link by bearing pin outside large and small hole, the bottom of bearing pin is provided with lockhole, and the axis of lockhole intersects and vertical with the axis of bearing pin, only lock pin insertion lockhole;Inner link is fixed with two sleeves by two pieces of inner plates being oppositely arranged and formed, two bore are respectively provided with every piece of inner plate, sleeve inserts in the bore being oppositely arranged respectively, chain link also includes sealing ring, for the both ends of the surface of sleeve respectively beyond plane where two pieces of inner plates outsides, the both ends of sleeve are cased with sealing ring respectively;The increased sealing device of the utility model, it is effective to prevent dust from entering sleeve, dust is effectively improved into the abrasion after guide between aggravation bearing pin and sleeve, substantially increases the service life of chain.
Description
Technical field
It the utility model is related to a kind of chain, more particularly to a kind of dust-proof chain.
Background technology
Cement chain is generally used for conveying ore, coal, the material such as cement medium, cement chain working environment not only with
Strong impact and very severe with substantial amounts of dust, working environment.Because work material and a large amount of dust easily immerse chain
In the hunting link of bar, cause to fill substantial amounts of exotic between chain hinge pin and sleeve in original running clearance, cause to turn
Dynamic gap shrinks, the resistance increase relatively rotated between bearing pin and sleeve, so as to increase the abrasion between bearing pin and sleeve, when
When filler reaches a certain amount of, the stuck of chain is may result in, chain is sent kaka sound when running and finally results in chain breakage
Failure.In order to prevent dust from entering in sleeve, we devise a kind of dust-proof chain with ring structure.
It can effectively prevent dust from entering sleeve using dust-proof chain disclosed in the utility model, effectively improve
Dust enters the abrasion between aggravation bearing pin and sleeve after guide, substantially increases the service life of chain.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of dust-proof chain, to solve
Chain of the prior art, is especially applied in the adverse circumstances containing a large amount of dust, is easily accessible in chain barrel
Dust is so as to causing the technical problem that chain anti-wear performance is poor, service life is short.
The utility model is achieved through the following technical solutions:The utility model discloses a kind of dust-proof chain,
By connecting the loop configuration formed from beginning to end including multiple chain links, chain link includes the outer curved attached plate of macropore, aperture outer curved attached plate, interior chain
Section, bearing pin and only lock pin, the outer curved attached plate of macropore and the outer curved attached plate of aperture are located at the both sides of inner link respectively, and large and small hole excurvation is attached
Plate is connected with inner link by bearing pin, and the bottom of bearing pin is provided with lockhole, and the axis of lockhole intersects and vertical with the axis of bearing pin, only
Lock pin inserts lockhole;Inner link is fixed with two sleeves by two pieces of inner plates being oppositely arranged and formed, each on every piece of inner plate
Provided with two bore, sleeve inserts in the bore being oppositely arranged respectively, and chain link also includes sealing ring, and the both ends of the surface of sleeve surpass respectively
Go out plane where on the outside of two pieces of inner plates, the both ends of sleeve are cased with sealing ring respectively;Can be by sleeve and macropore by sealing ring
Outer curved attached plate and the outer curved attached plate of aperture are sealed, and prevent dust from entering the endoporus of sleeve.
Further, annular deep gouge, the axle of deep gouge are additionally provided with order to which sealing ring is fixed, on the outside of inner plate
Line is overlapped with the axis of sleeve, and the diameter of deep gouge and the external diameter of sealing ring are equal in magnitude, and during installation, the bottom of sealing ring is arranged on
In deep gouge, the top of sealing ring and the inner side of the outer curved attached plate of macropore or the interior side contacts of the outer curved attached plate of aperture, this makes it possible to say
Installation is fixed in sealing ring.
Further, in order to improve sealing effectiveness, more preferable robust seal circle, the outer curved attached plate of macropore and the outer curved attached plate of aperture
Inner side be respectively provided with two circular v-depressions, the top of sealing ring is located in v-depression, when fixed, the axle of sleeve
The ring heart for the annulus that line is formed through v-depression, prevents sealing ring installation deviation from causing sealing bad.
Further, in order to increase the elasticity of sealing ring and improve service life, the material that sealing ring is selected is fine for fourth
Rubber.
Further, installed in order to facilitate sealing ring, there is provided installing space and raising sealing, the both ends of sleeve
The length of place plane is identical on the outside of two pieces of inner plates respectively in face, end face plane where on the outside of inner plate of sleeve
Length is the 1/2~3/4 of sealing ring thickness.
Further, in order to preferably prevent dust from entering the gap of bearing pin and outer curved attached plate, the outer curved attached plate of macropore and small
Curved attached plate is L-shaped outside hole.
The utility model discloses a kind of dust-proof chain can effectively prevent dust from entering sleeve, using the fine rubber of fourth
As sealing ring material, it has Wear-resistant, high-temperature resistant and solved very well because of carrier bar plate rich in very strong elasticity, this elasticity glue
The problem of thick error causes sealing ring to be compacted completely.Inner link middle sleeve assembling protrusion inner plate certain altitude is (dew
Head amount), height of appearing is generally higher than the half thickness of sealing ring one, can effective fixed seal ring, the outer curved attached plate in large and small hole designs V
Type groove structure, sealing ring can be effectively compressed, inner plate is designed with deep gouge, can effective fixed seal ring outer ring movement track;This reality
With the new dust that effectively improves into the abrasion aggravated after guide between bearing pin and sleeve, substantially increase chain uses the longevity
Life.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is inner link structural representation;
Fig. 3 is the outer curved attached plate rearview of macropore;
Fig. 4 is the utility model partial enlarged drawing;
Fig. 5 is deep gouge structural representation;
Fig. 6 is the outer curved attached plate side view of macropore.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
Embodiment 1
Embodiment 1 discloses a kind of dust-proof chain, as shown in figure 1, being formed by being connected from beginning to end including multiple chain links 1
Loop configuration, chain link 1 includes the outer curved attached plate 12 of the outer curved attached plate 11 of macropore, aperture, inner link 13, bearing pin 14 and only lock pin 15,
The outer curved attached plate 11 of macropore and the outer curved attached plate 12 of aperture are located at the both sides of inner link 13 respectively, curved attached plate and inner link outside large and small hole
13 are connected by bearing pin 14, and the bottom of bearing pin 14 is provided with lockhole (not marked in figure), the axis of lockhole and the axis phase of bearing pin 14
Hand over and vertical, only lock pin 15, which is inserted in lockhole, prevents bearing pin 14 from coming off;Inner link 13 is by two pieces of inner plates being oppositely arranged 131
Fix and form with inner plate 132 and two sleeves, two bore (not marked in figure), sleeve 133 are respectively provided with every piece of inner plate
Insert respectively in the bore being oppositely arranged, chain link 1 also includes sealing ring 16, and the both ends of the surface of sleeve 133 are respectively beyond chain in two pieces
Plane where on the outside of plate, as shown in Fig. 2 the part exceeded is referred to as appearing 1331, the both ends of the surface of sleeve are respectively beyond chain in two pieces
The length of plane is identical (i.e. the amount of appearing is equal) where on the outside of plate, and 1331 length of appearing is the 1/2 of the thickness of sealing ring 16.Sleeve
133 both ends are cased with sealing ring 16 respectively;Can be by outside curved attached plate 11 outside sleeve 133 and macropore and aperture by sealing ring 16
Curved attached plate 12 is sealed, and prevents dust from entering the endoporus of sleeve 133, and the outside of inner plate 132 is additionally provided with annular deep gouge 134,
Mark and illustrated at 18 for the amplification of deep gouge 134, as shown in figure 5, the axis of deep gouge 134 overlaps with the axis of sleeve 133, deep gouge 134
Diameter and sealing ring 16 external diameter it is equal in magnitude, during installation, the bottom of sealing ring 16 is arranged in deep gouge 134, sealing ring 16
The inner side of the outer curved attached plate 11 of top and macropore or the interior side contacts of the outer curved attached plate 12 of aperture, this makes it possible to say that sealing ring carries out
It is fixedly mounted, the inner side of the outer curved attached plate 11 of macropore and the outer curved attached plate 12 of aperture is respectively provided with two circular v-depressions
111, as shown in fig. 6, the top of sealing ring 16 is located in v-depression 111, it is v-depression partial enlargement to mark at 17, such as Fig. 4
Shown, when fixed, the axis of sleeve 133 passes through the ring heart of the annulus of the formation of v-depression 111, as shown in figure 3, sealing ring 16 selects
Material is nitrile rubber, and the outer curved attached plate 11 of macropore and the outer curved attached plate 12 of aperture are L-shaped.
Embodiment 2
Embodiment 2 discloses a kind of dust-proof chain, by connecting the ring junction formed from beginning to end including multiple chain links 1
Structure, chain link 1 include the outer curved attached plate 12 of the outer curved attached plate 11 of macropore, aperture, inner link 13, bearing pin 14 and only lock pin 15, macropore excurvation
Attached plate 11 and the outer curved attached plate 12 of aperture are located at the both sides of inner link 13 respectively, and curved attached plate passes through pin with inner link 13 outside large and small hole
Axle 14 connects, and the bottom of bearing pin 14 is provided with lockhole, and the axis of lockhole intersects and vertical with the axis of bearing pin 14, and only lock pin 15 inserts
Prevent bearing pin 14 from coming off in lockhole;Inner link 13 is by two pieces of inner plates being oppositely arranged 131 and inner plate 132 and two sleeves
It is fixed to form, two bore are respectively provided with every piece of inner plate, sleeve 133 inserts in the bore being oppositely arranged respectively, and chain link 1 also wraps
Sealing ring 16 is included, respectively beyond plane where two pieces of inner plates outsides, the part exceeded is referred to as appearing the both ends of the surface of sleeve 133
1331, the length of place plane is identical (i.e. the amount of appearing is equal) on the outside of two pieces of inner plates respectively for the both ends of the surface of sleeve, appears
1331 length is the 3/4 of the thickness of sealing ring 16.The both ends of sleeve 133 are cased with sealing ring 16 respectively;Can by sealing ring 16
Sleeve 133 and curved attached plate 12 outside curved attached plate outside macropore 11 and aperture are sealed, prevent dust from entering the interior of sleeve 133
Hole, the outside of inner plate 132 are additionally provided with annular deep gouge 134, and the axis of deep gouge 134 overlaps with the axis of sleeve 133, deep gouge 134
Diameter and sealing ring 16 external diameter it is equal in magnitude, during installation, the bottom of sealing ring 16 is arranged in deep gouge 134, sealing ring 16
The inner side of the outer curved attached plate 11 of top and macropore or the interior side contacts of the outer curved attached plate 12 of aperture, this makes it possible to say that sealing ring carries out
It is fixedly mounted, the inner side of the outer curved attached plate 11 of macropore and the outer curved attached plate 12 of aperture is respectively provided with two circular v-depressions
111, the top of sealing ring 16 is located in v-depression 111, is v-depression partial enlargement at mark 17, when fixed, sleeve 133
The ring heart for the annulus that axis is formed through v-depression 111, the material that sealing ring 16 is selected be nitrile rubber, macropore curved attached plate outside
11 and the outer curved attached plate 12 of aperture it is L-shaped.
Claims (6)
1. a kind of dust-proof chain, the loop configuration formed, the chain are connected by the chain link including no less than one from beginning to end
Section includes the outer curved attached plate of the outer curved attached plate of macropore, aperture, inner link, bearing pin and only lock pin, curved attached plate and described small outside the macropore
Curved attached plate is located at the both sides of the inner link respectively outside hole, and curved attached plate passes through the pin with the inner link outside the large and small hole
Axis connection, the bottom of the bearing pin are provided with lockhole, and the axis of the lockhole intersects and vertical with the axis of the bearing pin, it is described only
Lock pin inserts the lockhole;The inner link is fixed with two sleeves by two pieces of inner plates being oppositely arranged and formed, every piece of institute
State and two bore are respectively provided with inner plate, the sleeve inserts in the bore being oppositely arranged respectively, it is characterised in that the chain link
Also include sealing ring, the both ends of the surface of the sleeve respectively on the outside of two pieces of inner plates where plane, the two of the sleeve
End is cased with the sealing ring respectively.
2. dust-proof chain as claimed in claim 1, it is characterised in that it is heavy that annular is additionally provided with the outside of the inner plate
Groove, the axis of the deep gouge overlap with the axis of the sleeve, the external diameter size phase of the diameter of the deep gouge and the sealing ring
Deng, installation when, the bottom of the sealing ring is arranged in the deep gouge, the top of the sealing ring and the outer curved attached plate of the macropore
Inner side or the outer curved attached plate of aperture interior side contacts.
3. dust-proof chain as claimed in claim 2, it is characterised in that the outer curved attached plate of the macropore and the outer curved attached plate of aperture
Inner side be respectively provided with two circular v-depressions, the top of the sealing ring is located in the v-depression, when fixed,
The ring heart for the annulus that the axis of the sleeve is formed through the v-depression.
4. dust-proof chain as claimed in claim 1, it is characterised in that the material that the sealing ring is selected is the fine rubber of fourth
Glue.
5. dust-proof chain as claimed in claim 1, it is characterised in that the both ends of the surface of the sleeve exceed two pieces of institutes respectively
It is identical to state the length of place plane on the outside of inner plate, the end face of the sleeve exceeds the length of plane where on the outside of the inner plate
For the 1/2~3/4 of the sealing ring thickness.
6. dust-proof chain as claimed in claim 1, it is characterised in that the outer curved attached plate of the macropore and the aperture excurvation
Attached plate is L-shaped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720422434.XU CN206750763U (en) | 2017-04-21 | 2017-04-21 | A kind of dust-proof chain |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720422434.XU CN206750763U (en) | 2017-04-21 | 2017-04-21 | A kind of dust-proof chain |
Publications (1)
Publication Number | Publication Date |
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CN206750763U true CN206750763U (en) | 2017-12-15 |
Family
ID=60614457
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CN201720422434.XU Active CN206750763U (en) | 2017-04-21 | 2017-04-21 | A kind of dust-proof chain |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106904402A (en) * | 2017-04-21 | 2017-06-30 | 安徽黄山中友链条制造有限公司 | A kind of dust-proof chain |
CN109319385A (en) * | 2018-10-21 | 2019-02-12 | 湖南精正设备制造有限公司 | A kind of transmission chain reducing card object |
CN111664223A (en) * | 2019-03-08 | 2020-09-15 | 大同工业株式会社 | Sealing chain |
-
2017
- 2017-04-21 CN CN201720422434.XU patent/CN206750763U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106904402A (en) * | 2017-04-21 | 2017-06-30 | 安徽黄山中友链条制造有限公司 | A kind of dust-proof chain |
CN109319385A (en) * | 2018-10-21 | 2019-02-12 | 湖南精正设备制造有限公司 | A kind of transmission chain reducing card object |
CN109319385B (en) * | 2018-10-21 | 2020-04-14 | 湖南精正设备制造有限公司 | Reduce driving chain of card thing |
CN111664223A (en) * | 2019-03-08 | 2020-09-15 | 大同工业株式会社 | Sealing chain |
CN111664223B (en) * | 2019-03-08 | 2023-11-24 | 大同工业株式会社 | Sealing chain |
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