CN206769636U - A kind of lower sheave for industrial sliding door - Google Patents
A kind of lower sheave for industrial sliding door Download PDFInfo
- Publication number
- CN206769636U CN206769636U CN201720569848.5U CN201720569848U CN206769636U CN 206769636 U CN206769636 U CN 206769636U CN 201720569848 U CN201720569848 U CN 201720569848U CN 206769636 U CN206769636 U CN 206769636U
- Authority
- CN
- China
- Prior art keywords
- annular
- sliding door
- hole
- lower sheave
- pulley
- 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
Links
- 238000003466 welding Methods 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Pulleys (AREA)
Abstract
It the utility model is related to a kind of lower sheave for industrial sliding door, including the pulley body for being rolled on slide rail, the centre of the pulley body is provided with annular through-hole, bearing is provided with annular through-hole, bearing includes outer ring, inner ring, ball and retainer, ball rollably can be placed on retainer, and actively can be placed in together between outer ring and inner ring with retainer, and the inwall of annular through-hole is connected by welding with outer ring；The utility model is：Bearing is provided with annular through-hole, rotating shaft is fixedly connected through inner ring and with inner ring, and the both ends of rotating shaft are connected by mounting bracket with door, it ensure that pulley pulley resistance to sliding when being rolled on slide rail is smaller, it is easy to pulley rolling, it is easy to sliding door, ensure that the stability in roll and reliability of the lower sheave for industrial sliding door；And discharged pulley and the possibility to rub occurred with rotating shaft, the possibility for causing pulley easy to wear is avoided, and then extend the service life of the lower sheave for industrial sliding door.
Description
Technical field
It the utility model is related to a kind of lower sheave for industrial sliding door.
Background technology
It includes being used for the pulley body rolled on slide rail the existing lower sheave for industrial sliding door, pulley body
Centre is provided with annular through-hole, and rotating shaft is provided with the annular through-hole, and the both ends of the rotating shaft are connected by mounting bracket with door；This
Kind pulley can cause pulley resistance to sliding larger when being slided on slide rail, inconvenient pulley rolling, and then influence sliding door；It is and sliding
Friction between wheel and rotating shaft is also larger, causes pulley easy to wear, and then shorten the use of the lower sheave for industrial sliding door
Life-span.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of high intensity, pulley slip resistance
The lower sheave for industrial sliding door that power is small, is easy to sliding door and increases the service life.
What the technical solution of the utility model was realized in：A kind of lower sheave for industrial sliding door, including for
The pulley body rolled on slide rail, the centre of the pulley body are provided with annular through-hole, axle are provided with the annular through-hole
Hold, the bearing includes outer ring, inner ring, ball and retainer, and the ball rollably can be placed on retainer, and and retainer
Actively it can be placed in together between outer ring and inner ring, it is in ripple that the inwall of the annular through-hole, which is circumferentially equably provided with some sections,
Unrestrained dentation is welded to connect a little, and the inwall of the annular through-hole is connected by welding with outer ring.
By using above-mentioned technical proposal, bearing is provided with annular through-hole, rotating shaft is fixed through inner ring and with inner ring
Connection, and the both ends of rotating shaft are connected by mounting bracket with door, ensure that pulley in rolling on slide rail pulley resistance to sliding compared with
It is small, it is easy to pulley rolling, is easy to sliding door, ensure that the stability in roll and reliability of the lower sheave for industrial sliding door；And
Pulley is discharged and the possibility to rub has occurred with rotating shaft, avoided the possibility for causing pulley easy to wear, and then extended and moved for industry
The service life of the lower sheave of door.The inwall of annular through-hole is circumferentially equably provided with some sections of welding in wave dentation and connected
Contact, the inwall of annular through-hole are connected by welding with outer ring, ensure that bearing is connected more firmly and stably with pulley body,
It is more stable to ensure that pulley rolls on slide rail.
The utility model is further arranged to：Being welded to connect on the annular through-hole inwall is a little provided with six sections, and presses
Even circumferential is distributed.
By using above-mentioned technical proposal, multi-point welding, further improve bearing be connected with pulley body it is more firm
Gu and stably, both connection effects are more preferable.
The utility model is further arranged to：The dust cap for blocking dust is provided between the outer ring and inner ring.
By using above-mentioned technical proposal, prevent dust from entering, discharge influences the possibility that ball easily wears, and then extends
The service life of bearing, also extend the service life of lower sheave for industrial sliding door.
The utility model is further arranged to：The periphery of the pulley body is provided with annular groove, the annular groove
Groove width from bottom land toward notch prescription to becoming larger.
Preferably：The annular groove includes left side wall and right side wall, and the junction of the left side wall and right side wall is in circle
Arc structure, and left side wall and angle formed by right side wall are right angle.
By using above-mentioned technical proposal, the groove width of annular groove is from bottom land toward notch prescription to becoming larger and left side wall
Junction with right side wall is in convex structure, with reference under, improves the bearing capacity of pulley body, enhances pulley body
Bulk strength, and then extend the service life of the lower sheave for industrial sliding door.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model embodiment structure half section schematic diagram；
Fig. 2 is that the utility model embodiment structure regards schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Fig. 1-Fig. 2, the utility model discloses a kind of lower sheave for industrial sliding door, including in cunning
The pulley body 1 rolled on rail, in the utility model specific embodiment, the centre of the pulley body 1 is provided with annular and led to
Hole 100, bearing is provided with the annular through-hole, the bearing includes outer ring 2, inner ring 3, ball 4 and retainer 5, the rolling
Pearl 4 can be rollably placed on retainer 5, and can be actively placed between outer ring 2 and inner ring 3 together with retainer 5, the annular
The inwall of through hole 100 is circumferentially equably provided with some sections and is welded to connect a little 101 in wave dentation, the annular through-hole
100 inwall is connected by welding with outer ring 2.
The diameter of the annular through-hole 100 is identical with the diameter of the outer wall of outer ring 2.
By using above-mentioned technical proposal, bearing is provided with annular through-hole, rotating shaft is fixed through inner ring and with inner ring
Connection, and the both ends of rotating shaft are connected by mounting bracket with door, ensure that pulley in rolling on slide rail pulley resistance to sliding compared with
It is small, it is easy to pulley rolling, is easy to sliding door, ensure that the stability in roll and reliability of the lower sheave for industrial sliding door；And
Pulley is discharged and the possibility to rub has occurred with rotating shaft, avoided the possibility for causing pulley easy to wear, and then extended and moved for industry
The service life of the lower sheave of door.The inwall of annular through-hole is circumferentially equably provided with some sections of welding in wave dentation and connected
Contact, the inwall of annular through-hole are connected by welding with outer ring, ensure that bearing is connected more firmly and stably with pulley body,
It is more stable to ensure that pulley rolls on slide rail.
In the utility model specific embodiment, being welded to connect on the inwall of annular through-hole 100 a little 101 is provided with six
Section, and be circumferentially uniformly distributed.
By using above-mentioned technical proposal, multi-point welding, further improve bearing be connected with pulley body it is more firm
Gu and stably, both connection effects are more preferable.
In the utility model specific embodiment, it is provided between the outer ring 2 and inner ring 3 for blocking the dust-proof of dust
Lid 6.
By using above-mentioned technical proposal, prevent dust from entering, discharge influences the possibility that ball easily wears, and then extends
The service life of bearing, also extend the service life of lower sheave for industrial sliding door.
In the utility model specific embodiment, the periphery of the pulley body 100 is provided with annular groove 102, described
The groove width of annular groove 102 is from bottom land toward notch prescription to becoming larger；The annular groove 102 includes left side wall 1021 and the right side
Side wall 1022, the junction of the left side wall 1021 and right side wall 1022 be in convex structure 1023, and left side wall 1021 and the right side
Angle formed by side wall 1022 is right angle.
By using above-mentioned technical proposal, the groove width of annular groove is from bottom land toward notch prescription to becoming larger and left side wall
Junction with right side wall is in convex structure, with reference under, improves the bearing capacity of pulley body, enhances pulley body
Bulk strength, and then extend the service life of the lower sheave for industrial sliding door.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. a kind of lower sheave for industrial sliding door, including the pulley body for being rolled on slide rail, it is characterised in that：It is described
The centre of pulley body is provided with annular through-hole, is provided with bearing in the annular through-hole, the bearing include outer ring, inner ring,
Ball and retainer, the ball rollably can be placed on retainer, and can actively be placed in retainer outer ring and interior together
Between circle, the inwall of the annular through-hole is circumferentially equably provided with some sections of being welded to connect a little in wave dentation, described
The inwall of annular through-hole is connected by welding with outer ring.
A kind of 2. lower sheave for industrial sliding door according to claim 1, it is characterised in that：The annular through-hole inwall
On be welded to connect and be a little provided with six sections, and be circumferentially uniformly distributed.
A kind of 3. lower sheave for industrial sliding door according to claim 1, it is characterised in that：The outer ring and inner ring it
Between be provided with dust cap for blocking dust.
A kind of 4. lower sheave for industrial sliding door according to claim 1, it is characterised in that：Outside the pulley body
It is provided with annular groove week, the groove width of the annular groove is from bottom land toward notch prescription to becoming larger.
A kind of 5. lower sheave for industrial sliding door according to claim 4, it is characterised in that：The annular groove includes
Left side wall and right side wall, the junction of the left side wall and right side wall is in convex structure, and formed by left side wall and right side wall
Angle is right angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569848.5U CN206769636U (en) | 2017-05-22 | 2017-05-22 | A kind of lower sheave for industrial sliding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569848.5U CN206769636U (en) | 2017-05-22 | 2017-05-22 | A kind of lower sheave for industrial sliding door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206769636U true CN206769636U (en) | 2017-12-19 |
Family
ID=60640876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720569848.5U Expired - Fee Related CN206769636U (en) | 2017-05-22 | 2017-05-22 | A kind of lower sheave for industrial sliding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206769636U (en) |
-
2017
- 2017-05-22 CN CN201720569848.5U patent/CN206769636U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |