CN204773000U - Integral type spindle nose is sealed for concrete mixer - Google Patents
Integral type spindle nose is sealed for concrete mixer Download PDFInfo
- Publication number
- CN204773000U CN204773000U CN201520504859.6U CN201520504859U CN204773000U CN 204773000 U CN204773000 U CN 204773000U CN 201520504859 U CN201520504859 U CN 201520504859U CN 204773000 U CN204773000 U CN 204773000U
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- protection
- yellow
- cushion rubber
- circle
- ring
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Abstract
The utility model relates to an integral type spindle nose is sealed for concrete mixer, glue locking frame, sealed even piece, yellow rubber ring, connecting rod and compress tightly the cover including protection A circle, protection B circle, lock axle sleeve, huang, the lock axle sleeve includes integrated into one piece and coaxial tubulose body and retaining ring, and the retaining ring lies in on the outer periphery of tubulose body and lies in the right -hand member of tubulose body, be equipped with on the right side terminal surface of retaining ring with (mixing) shaft complex draw -in groove, sealed idol, yellow glue locking frame, yellow rubber ring and compress tightly the cover embolia and become integrative with lock shaft liner connection from the left end of lock axle sleeve in proper order, protection B circle encloses normal running fit with the retaining ring fixed connection who locks the axle sleeve, protection B circle with protection A. The utility model discloses the structure is retrencied, and is sealed effectual, long service life. The utility model discloses having avoided the site assembly, having had the simple installation, the result of use has effectively been guaranteed to characteristics that the axiality is high.
Description
Technical field
The utility model relates to a kind of parts of concrete mixer, particularly a kind of concrete mixer integral type shaft head seal.
Background technology
Along with the development of a country or regional society's productivity, the progress of science and technology and the adjustment of the industrial structure, its society is changed to based on the industrial non-agricultural modern city type society such as (secondary industry) and service trade (tertiary industry) gradually by the Traditional Rural type society based on agricultural.Along with urbanization, the construction of road, bridge, building is also more and more frequent.When carrying out the construction of large-sized concrete building, in order to ensure build guality, need constantly to carry out concrete-agitating.Once concrete mixer breaks down do not provide concrete, just all that has been achieved is spoiled in construction before (because on the concrete that solidifies again casting concrete be unstable).And one of major reason causing concrete mixer to break down is exactly cause shaft to occur wearing and tearing due to spillage, once occur wearing and tearing and machine can not stop, finally just cause the damage of concrete mixer.
There is spillage often because wearing and tearing have appearred in its shaft head seal in concrete mixer, thus causes sealing to decline.Therefore a good shaft head seal is the key ensureing concrete mixer service life.Existing shaft head seal is all changed by the shaft head seal of damage when changing, and is installed by all parts of new shaft head seal.Often run into two problems in this process: 1, old shaft head seal, in Long-Time Service process, because mud enters shaft head seal Post RDBMS, causes shaft head seal to disassemble very difficult, often need to pull down with after cutting machine destruction; 2, when filling new shaft head seal, because it is split type, be difficult to the axiality ensureing its each parts, once axiality is not high, its wearing and tearing can be faster.
Utility model content
The purpose of this utility model is to provide a kind of good sealing effect, long service life, and group, dismounting are quick, the concrete mixer integral type shaft head seal that axiality is high.
The technical scheme realizing the utility model object is: the utility model comprises protection A circle, protection B circle, shaft locking sleeve, yellow glue locking rack, sealing couple, yellow cushion rubber, connecting rod and clamping sleeve; Described shaft locking sleeve comprises one-body molded and coaxial tubular body and back-up ring, and the outer circumference surface that back-up ring is positioned at tubular body is positioned at the right-hand member of tubular body; Its right end face of described back-up ring is provided with the draw-in groove coordinated with shaft, and the left end face of back-up ring is provided with the first cannelure; Described sealing couple, yellow glue locking rack, yellow cushion rubber and clamping sleeve are inserted in from the left end of shaft locking sleeve successively and link into an integrated entity with shaft locking sleeve; Its right end face of described yellow glue locking rack is provided with second cannelure corresponding with the first cannelure, and sealing couple is arranged in the first cannelure and the second cannelure; The left end face of described yellow glue locking rack is provided with yellow cushion rubber mounting groove, the bottom of yellow cushion rubber mounting groove be provided with multiple along yellow glue locking rack circumference be uniformly distributed and with the installation screwed hole of yellow glue locking rack axis being parallel; Connecting rod is equipped with in described each installation screwed hole; Described yellow cushion rubber is provided with multiple positioning through hole corresponding with installing screwed hole; Described yellow cushion rubber is arranged in yellow cushion rubber mounting groove, and connecting rod is through the positioning through hole on yellow cushion rubber; Yellow cushion rubber is pressed in yellow cushion rubber mounting groove by the right-hand member of described clamping sleeve, and clamping sleeve and shaft locking sleeve are fixed together; Described protection B circle is fixedly connected with the back-up ring of shaft locking sleeve, and protection B circle encloses with protection A and is rotatably assorted, and protection A circle is fixedly installed on the inwall of teeter chamber; Described protection A encloses, protect B circle, shaft locking sleeve, yellow glue locking rack, seal couple, yellow cushion rubber and clamping sleeve is all coaxially arranged.
The outer circumference surface of above-mentioned back-up ring is provided with locating piece; The inner ring of described protection B circle is provided with the groove coordinated with locating piece.
Above-mentioned protection B circle and protection A enclose relative face and are provided with one or more annular groove coaxial with protection B coil axis; Described protection A circle and protect B to enclose annular lug that relative face is provided with one or more and annular groove corresponding matching; Described protection B circle is enclosed with protection A and is rotatably connected with coordinating of annular lug by annular groove.
Draw-in groove in its right end face of above-mentioned back-up ring is stacked by square indentations and regular hexagon groove and is formed; The center of described square indentations and the center superposition of regular hexagon groove; A limit of described square indentations is parallel with a limit of regular hexagon groove.
The outer circumference surface of above-mentioned back-up ring is arranged with two screwed holes communicated with shaft locking sleeve axes normal and with draw-in groove inside, in screwed hole, is provided with hold-down screw.
Yellow cushion rubber to be pressed in yellow cushion rubber mounting groove and clamping sleeve and shaft locking sleeve to be fixed together by spot welding by above-mentioned clamping sleeve.
The two ends of the inwall of above-mentioned shaft locking sleeve are equipped with the annular groove with shaft locking sleeve axis coaxle, and annular groove internal fixtion is provided with sealing ring.
The inwall that above-mentioned clamping sleeve is corresponding with shaft locking sleeve is provided with the annular groove with clamping sleeve axis coaxle, and annular groove internal fixtion is provided with sealing ring.
The utility model has positive effect: (1) the utility model has carried out parts relative to existing shaft head seal and simplified and adjust, not only assemble convenient, and its structure also considerably increases its wearability, thus improve its service life, for the continuous operation of mixer provides guarantee; (2) the utility model is integrated part, is different from the split part of existing shaft head seal, but just because of it is integral piece, so the axiality of its each parts is better, ensure that its result of use and service life; (3) protect A to enclose in the utility model and protect the structure that is rotatably assorted of B circle to add loop, sealing can be improved further; (4) cooperation of the utility model protection B circle and locating piece, can cooperate together by protection B circle with shaft locking sleeve and ensure rotating effect fast; (5) draw-in groove on the utility model can adapt to square shaft and hexagonal shaft, highly versatile; (6) the utility model can lock shaft further by hold-down screw, improves locking effect; (7) each sealing ring in the utility model all can improve the sealing of whole device; (8) the utility model is owing to being integral type, and only needing when dismantling under external force just can under integral demounting, convenient and swift.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is structural representation of the present utility model;
Fig. 2 is exploded perspective view of the present utility model;
Fig. 3 is sectional view of the present utility model;
Fig. 4 is the structural representation protecting B to enclose in the utility model;
Fig. 5 protects A to enclose and protects the cooperation schematic diagram of B circle in the utility model;
Fig. 6 is the structural representation of shaft locking sleeve in the utility model;
Fig. 7 is the sectional view of shaft locking sleeve in the utility model;
Fig. 8 is the right view of shaft locking sleeve in the utility model;
Fig. 9 is the structural representation of yellow glue locking rack in the utility model.
Detailed description of the invention
See Fig. 1 to Fig. 9, the utility model comprises protection A circle 1, protection B circle 2, shaft locking sleeve 3, yellow glue locking rack 4, sealing couple 5, yellow cushion rubber 6, connecting rod 7 and clamping sleeve 8; Described shaft locking sleeve 3 comprises one-body molded and coaxial tubular body 31 and back-up ring 32, and the outer circumference surface that back-up ring 32 is positioned at tubular body 31 is positioned at the right-hand member of tubular body 31; Its right end face of described back-up ring 32 is provided with the draw-in groove 32-1 coordinated with shaft, and the left end face of back-up ring 32 is provided with the first cannelure 32-2; Described sealing couple 5, yellow glue locking rack 4, yellow cushion rubber 6 and clamping sleeve 8 are inserted in from the left end of shaft locking sleeve 3 successively and link into an integrated entity with shaft locking sleeve 3; Its right end face of described yellow glue locking rack 4 is provided with second cannelure 41 corresponding with the first cannelure 32-2, and sealing couple 5 is arranged in the first cannelure 32-2 and the second cannelure 41; The left end face of described yellow glue locking rack 4 is provided with yellow cushion rubber mounting groove 42, the bottom of yellow cushion rubber mounting groove 42 be provided with multiple along yellow glue locking rack circumference be uniformly distributed and with the installation screwed hole of yellow glue locking rack axis being parallel; Connecting rod 7 is equipped with in described each installation screwed hole; Described yellow cushion rubber 6 is provided with multiple positioning through hole corresponding with installing screwed hole; Described yellow cushion rubber 6 is arranged in yellow cushion rubber mounting groove 42, and connecting rod 7 is through the positioning through hole on yellow cushion rubber 6; Yellow cushion rubber 6 is pressed in yellow cushion rubber mounting groove 42 by the right-hand member of described clamping sleeve 8, and clamping sleeve 8 and shaft locking sleeve 3 is fixed together by the mode of spot welding; The outer circumference surface of described back-up ring 32 is provided with locating piece 32-3; The inner ring of described protection B circle 2 is provided with the groove 21 coordinated with locating piece 32-3; Described protection B circle 2 and protection A enclose 1 relative face and are provided with an annular groove 22 coaxial with protecting B coil axis; Described protection A circle 1 with protect B enclose 2 relative faces be provided with one with the annular lug 11 of annular groove 22 corresponding matching; Described protection B circle 2 is enclosed 1 with protection A and is rotatably connected with coordinating of annular lug 11 by annular groove 22; Described protection A encloses 1 and is fixedly installed on the inwall of teeter chamber; Described protection A circle 1, protection B circle 2, shaft locking sleeve 3, yellow glue locking rack 4, sealing couple 5, yellow cushion rubber 6 and clamping sleeve 8 are all coaxially arranged.
Draw-in groove 32-1 in its right end face of described back-up ring 32 is stacked by square indentations and regular hexagon groove and is formed; The center of described square indentations and the center superposition of regular hexagon groove; A limit of described square indentations is parallel with a limit of regular hexagon groove.
The outer circumference surface of described back-up ring 32 is arranged with two screwed holes communicated with shaft locking sleeve axes normal and with draw-in groove 32-1 inside, is provided with hold-down screw in screwed hole, locks shaft further by hold-down screw.
The two ends of the inwall of described shaft locking sleeve 3 are equipped with the annular groove with shaft locking sleeve axis coaxle, and annular groove internal fixtion is provided with sealing ring.
The inwall that described clamping sleeve 8 is corresponding with shaft locking sleeve 3 is provided with the annular groove with clamping sleeve axis coaxle, and annular groove internal fixtion is provided with sealing ring.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a concrete mixer integral type shaft head seal, is characterized in that: comprise protection A circle (1), protection B encloses (2), shaft locking sleeve (3), yellow glue locking rack (4), sealing couple (5), yellow cushion rubber (6), connecting rod (7) and clamping sleeve (8); Described shaft locking sleeve (3) comprises one-body molded and coaxial tubular body (31) and back-up ring (32), and the outer circumference surface that back-up ring (32) is positioned at tubular body (31) is positioned at the right-hand member of tubular body (31); Its right end face of described back-up ring (32) is provided with the draw-in groove (32-1) coordinated with shaft, and the left end face of back-up ring (32) is provided with the first cannelure (32-2); Described sealing couple (5), yellow glue locking rack (4), yellow cushion rubber (6) and clamping sleeve (8) are inserted in from the left end of shaft locking sleeve (3) successively and link into an integrated entity with shaft locking sleeve (3); Its right end face of described yellow glue locking rack (4) is provided with second cannelure (41) corresponding with the first cannelure (32-2), and sealing couple (5) is arranged in the first cannelure (32-2) and the second cannelure (41); The left end face of described yellow glue locking rack (4) is provided with yellow cushion rubber mounting groove (42), the bottom of yellow cushion rubber mounting groove (42) be provided with multiple along yellow glue locking rack circumference be uniformly distributed and with the installation screwed hole of yellow glue locking rack axis being parallel; Connecting rod (7) is equipped with in described each installation screwed hole; Described yellow cushion rubber (6) is provided with multiple positioning through hole corresponding with installing screwed hole; Described yellow cushion rubber (6) is arranged in yellow cushion rubber mounting groove (42), and connecting rod (7) is through the positioning through hole on yellow cushion rubber (6); Yellow cushion rubber (6) is pressed in yellow cushion rubber mounting groove (42) by the right-hand member of described clamping sleeve (8), and clamping sleeve (8) and shaft locking sleeve (3) are fixed together; Described protection B encloses (2) and is fixedly connected with the back-up ring (32) of shaft locking sleeve (3), protection B circle (2) is enclosed (1) with protection A and is rotatably assorted, and protection A circle (1) is fixedly installed on the inwall of teeter chamber; Described protection A encloses (1), protection B encloses (2), shaft locking sleeve (3), yellow glue locking rack (4), sealing couple (5), yellow cushion rubber (6) and clamping sleeve (8) and all coaxially arranges.
2. a kind of concrete mixer integral type shaft head seal according to claim 1, is characterized in that: the outer circumference surface of described back-up ring (32) is provided with locating piece (32-3); The inner ring of described protection B circle (2) is provided with the groove (21) coordinated with locating piece (32-3).
3. a kind of concrete mixer integral type shaft head seal according to claim 2, is characterized in that: described protection B circle (2) and protection A enclose (1) relative face and be provided with one or more annular groove (22) coaxial with protection B coil axis; Described protection A circle (1) and protect B to enclose annular lug that (2) relative face is provided with one or more and annular groove (22) corresponding matching; Described protection B circle (2) is enclosed (1) with protection A and is rotatably connected with coordinating of annular lug by annular groove (22).
4. a kind of concrete mixer integral type shaft head seal according to claim 1 or 2 or 3, is characterized in that: the draw-in groove (32-1) in its right end face of described back-up ring (32) is stacked by square indentations and regular hexagon groove and is formed; The center of described square indentations and the center superposition of regular hexagon groove; A limit of described square indentations is parallel with a limit of regular hexagon groove.
5. a kind of concrete mixer integral type shaft head seal according to claim 4, it is characterized in that: the outer circumference surface of described back-up ring (32) is arranged with two screwed holes communicated with shaft locking sleeve axes normal and with draw-in groove (32-1) inside, in screwed hole, is provided with hold-down screw.
6. a kind of concrete mixer integral type shaft head seal according to claim 5, is characterized in that: yellow cushion rubber (6) to be pressed in yellow cushion rubber mounting groove (42) and clamping sleeve (8) and shaft locking sleeve (3) to be fixed together by spot welding by described clamping sleeve (8).
7. a kind of concrete mixer integral type shaft head seal according to claim 6, is characterized in that: the two ends of the inwall of described shaft locking sleeve (3) are equipped with the annular groove with shaft locking sleeve axis coaxle, and annular groove internal fixtion is provided with sealing ring.
8. a kind of concrete mixer integral type shaft head seal according to claim 7, it is characterized in that: the inwall that described clamping sleeve (8) is corresponding with shaft locking sleeve (3) is provided with the annular groove with clamping sleeve axis coaxle, annular groove internal fixtion is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504859.6U CN204773000U (en) | 2015-07-13 | 2015-07-13 | Integral type spindle nose is sealed for concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504859.6U CN204773000U (en) | 2015-07-13 | 2015-07-13 | Integral type spindle nose is sealed for concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204773000U true CN204773000U (en) | 2015-11-18 |
Family
ID=54513124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520504859.6U Expired - Fee Related CN204773000U (en) | 2015-07-13 | 2015-07-13 | Integral type spindle nose is sealed for concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204773000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340374A (en) * | 2018-10-30 | 2019-02-15 | 佛山市荣盛龙橡胶密封件有限公司 | A kind of top seal circle of installation easy to disassemble |
-
2015
- 2015-07-13 CN CN201520504859.6U patent/CN204773000U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340374A (en) * | 2018-10-30 | 2019-02-15 | 佛山市荣盛龙橡胶密封件有限公司 | A kind of top seal circle of installation easy to disassemble |
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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: 20151118 Termination date: 20200713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |