CN208759386U - A kind of rotation axis shaft end hold-down mechanism - Google Patents

A kind of rotation axis shaft end hold-down mechanism Download PDF

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Publication number
CN208759386U
CN208759386U CN201821235196.2U CN201821235196U CN208759386U CN 208759386 U CN208759386 U CN 208759386U CN 201821235196 U CN201821235196 U CN 201821235196U CN 208759386 U CN208759386 U CN 208759386U
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CN
China
Prior art keywords
wall
shaft body
rotation shaft
accessory
fixedly connected
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Active
Application number
CN201821235196.2U
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Chinese (zh)
Inventor
汤礼进
陈志明
丁娜
丁丁
周志芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Dongshengda Precision Machinery Parts Co Ltd
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Anhui Dongshengda Precision Machinery Parts Co Ltd
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Priority to CN201821235196.2U priority Critical patent/CN208759386U/en
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Publication of CN208759386U publication Critical patent/CN208759386U/en
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Abstract

The utility model discloses a kind of rotation axis shaft end hold-down mechanisms, including rotation shaft body and accessory, accessory is socketed on the outside of the rotation shaft body, and the circular through hole connecting with rotation shaft body is offered on the side wall of accessory, annular groove is offered on the inner wall of the circular through hole, multiple U-shaped parts are fixedly connected on the inner wall of the annular groove, and the same end cap is rotatably connected between multiple U-shaped parts, arc block is fixedly connected on the lateral wall of the end cap, and arc block and the notch of U-shaped part are slidably connected, multiple positioning mechanisms connecting with rotation shaft body are installed on the side wall of the end cap, the circular through hole is equipped with the clamp system connecting with rotation shaft body far from the side of end cap.The utility model ensure that the stability of rotation shaft body, and avoiding rotation shaft body, there is a situation where be detached from accessory when in use.

Description

A kind of rotation axis shaft end hold-down mechanism
Technical field
The utility model relates to rotation axis compaction techniques field more particularly to a kind of rotation axis shaft end hold-down mechanisms.
Background technique
In the assembly of common mechanical components, shaft end covers the compression of component, and shaft end ring and its bolt is mostly used to screw The frame mode of compression.
This shaft end compressing structure is most widely used in the component of machine of smaller size, but big used in size, special It is not used in the component of machine of axially outwardly power and impact vibration load working condition, hold-down bolt is in the big rotation of large scale Under the double action of complicated alternate stress and pretightning force that inertia, impact vibration and axial force are formed, just it is easy for being broken, deposits In the substantial equipment security risk that great end components fall off or fly out.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of rotation axis shaft end proposed Hold-down mechanism.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of rotation axis shaft end hold-down mechanism, including rotation shaft body and accessory, the outside socket of the rotation shaft body There is accessory, and offer the circular through hole connecting with rotation shaft body on the side wall of accessory, is opened on the inner wall of the circular through hole Equipped with annular groove, multiple U-shaped parts are fixedly connected on the inner wall of the annular groove, and be rotatablely connected between multiple U-shaped parts There is the same end cap, arc block is fixedly connected on the lateral wall of the end cap, and the notch of arc block and U-shaped part slides and connects It connects, multiple positioning mechanisms connecting with rotation shaft body is installed, the circular through hole is far from end cap on the side wall of the end cap Side be equipped with and the clamp system that connect of rotation shaft body.
Preferably, the mounting hole of multiple left and right connections is offered on the side wall of the accessory.
Preferably, threaded hole corresponding with U-shaped part position is offered on the side wall of the accessory, and threaded hole internal screw thread connects It is connected to the first bolt, the first bolt-through arc block is simultaneously rotatablely connected with the notch inner wall of U-shaped part.
Preferably, the positioning mechanism includes the strip groove being provided on end cap sidewalls, and bar shaped is provided in strip groove Block is fixedly connected with connecting rod on the side wall of the bar blocks, and connecting rod is fixedly connected with movable block far from one end of bar blocks, institute State movable block and be fixedly connected with installation part far from one end of connecting rod, and installation part through strip groove inner wall and with rotation shaft body Connection.
Preferably, the second bolt, and the inner wall of the second bolt and strip groove are threaded on the side wall of the bar blocks It is rotatablely connected, offers the installation notch connected with installation part on the side wall of the rotation shaft body.
Preferably, the clamp system includes the circular groove being provided on circular through hole inner wall, in the circular groove It is fixedly connected with annular element, multiple springs are evenly equipped on the inner wall of the annular element, and spring is fixed far from one end of annular element It is connected with arc fixture block, the lateral wall contact connectio of the one end of the arc fixture block far from spring and rotation shaft body, the ring It is fixedly connected with multiple link blocks on the lateral wall of shape part, and is fixedly connected between link block and accessory by third bolt.
Compared with prior art, the utility model has the following beneficial effects:
1, by being equipped with multiple positioning mechanisms connecting with rotation shaft body on the side wall of end cap, specifically, pacifying Under piece installing and the mating connection effect of the installation notch on rotation shaft body side wall, it ensure that the stability of rotation shaft body, keep away Exempting from rotation shaft body, there is a situation where be detached from accessory when in use.
2, by being provided with clamp system far from the side of end cap in circular through hole, the work to rotation axis ontology cache is played With, and have the effect of further fixing, improve the bonding strength between rotation shaft body and accessory, reduce accessory fall off or The case where flying out.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of rotation axis shaft end hold-down mechanism structural schematic diagram;
Fig. 2 is the partial enlarged view in Fig. 1 at A;
Fig. 3 be the utility model proposes a kind of rotation axis shaft end hold-down mechanism clamp system side schematic view;
Fig. 4 be the utility model proposes a kind of rotation axis shaft end hold-down mechanism accessory side schematic view.
In figure: 1 rotation shaft body, 2 accessories, 3 circular through holes, 4U type part, 5 end caps, 6 arc blocks, 7 positioning mechanisms, 8 clamp Mechanism, 9 mounting holes, 10 strip grooves, 11 bar blocks, 12 connecting rods, 13 movable blocks, 14 link blocks, 15 installation parts, 16 installation notch, 17 annular elements, 18 springs, 19 arc fixture blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
Referring to Fig.1-4, a kind of rotation axis shaft end hold-down mechanism, including rotation shaft body 1 and accessory 2, rotation shaft body 1 Outside is socketed with accessory 2, and the circular through hole 3 connecting with rotation shaft body 1 is offered on the side wall of accessory 2, wherein accessory 2 Side wall on offer it is multiple left and right connection mounting holes 9, convenient for accessory 2 with outside device be attached, circular through hole 3 Annular groove is offered on inner wall, multiple U-shaped parts 4 are fixedly connected on the inner wall of annular groove, and is turned between multiple U-shaped parts 4 It is dynamic to be connected with the same end cap 5, arc block 6, and the notch of arc block 6 and U-shaped part 4 are fixedly connected on the lateral wall of end cap 5 It is slidably connected, specifically, offering threaded hole corresponding with U-shaped 4 position of part on the side wall of accessory 2, and threaded hole internal screw thread connects It is connected to the first bolt, the first bolt-through arc block 6 is simultaneously rotatablely connected with the notch inner wall of U-shaped part 4, in the effect of the first bolt Under, it ensure that the bonding strength between arc block 6 and U-shaped part 4, when in use, the case where avoiding arc block 6 from rotating, separately Outside, when being without the use of, the first bolt can be removed, and the disassembly with accessory 2 can be realized in rotary end cover 5.
Wherein, multiple positioning mechanisms 7 connecting with rotation shaft body 1 are installed, positioning mechanism 7 wraps on the side wall of end cap 5 The strip groove 10 being provided on 5 side wall of end cap is included, and is provided with bar blocks 11 in strip groove 10, it is fixed on the side wall of bar blocks 11 It is connected with connecting rod 12, and connecting rod 12 is fixedly connected with movable block 13 far from one end of bar blocks 11, movable block 13 is far from connecting rod 14 One end be fixedly connected with installation part 15, and installation part 15 through strip groove 10 inner wall and connect with rotation shaft body 1, more Body, the second bolt is threaded on the side wall of bar blocks 11, and the second bolt and the inner wall of strip groove 10 are rotatablely connected, and are turned The installation notch 16 connected with installation part 15 are offered on the side wall of moving axis ontology 1, under the action of positioning mechanism 7, tool Body, by the mating connection of the installation notch 16 on installation part 15 and rotation 1 side wall of shaft body, it ensure that rotation shaft body 1 Stability, avoid rotation shaft body 1 when in use occur disengaging accessory 2.
Wherein, circular through hole 3 is equipped with the clamp system 8 connecting with rotation shaft body 1 far from the side of end cap 5, specifically , clamp system 8 includes the circular groove being provided on 3 inner wall of circular through hole, it is fixedly connected with annular element 17 in circular groove, Multiple springs 18 are evenly equipped on the inner wall of annular element 17, and spring 18 is fixedly connected with arc fixture block far from one end of annular element 17 19, the one end of arc fixture block 19 far from spring 18 and the lateral wall for rotating shaft body 1 connect, on the lateral wall of annular element 17 Multiple link blocks 20 are fixedly connected with, and are fixedly connected between link block 20 and accessory 2 by third bolt, are clamped by setting Mechanism 8 plays the role of buffering rotation shaft body 1, and has the effect of further fixing.
When the utility model is used, being inserted into shaft body 1 is rotated in the circular through hole 3 on 2 side wall of accessory, and turning end Lid 5 makes the notch of arc block 6 and U-shaped part 4 on 5 side wall of end cap be cooperatively connected, and is consolidated under the action of the first bolt It is fixed, by stretching the bar blocks 11 in strip groove 10, so that installation part 15 extends to the installation notch on rotation 1 side wall of shaft body In 16, and bar blocks 11 are fixed under the action of the second bolt, the effect of positioning is played to rotation shaft body 1, in addition, By being provided with clamp system 8 far from the side of end cap 5 in circular through hole 3, specifically, matching in spring 18 and arc fixture block 19 It closes under use, plays the role of buffering to rotation shaft body 1.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of rotation axis shaft end hold-down mechanism, including rotation shaft body (1) and accessory (2), which is characterized in that the rotation axis It is socketed on the outside of ontology (1) accessory (2), and it is logical that the circle connecting with rotation shaft body (1) is offered on the side wall of accessory (2) Hole (3) offers annular groove on the inner wall of the circular through hole (3), is fixedly connected on the inner wall of the annular groove more A U-shaped part (4), and the same end cap (5) are rotatably connected between multiple U-shaped parts (4), it is solid on the lateral wall of the end cap (5) Surely it is connected with arc block (6), and arc block (6) and the notch of U-shaped part (4) are slidably connected, is installed on the side wall of the end cap (5) There are multiple positioning mechanisms (7) connecting with rotation shaft body (1), the circular through hole (3) is equipped with far from the side of end cap (5) The clamp system (8) being connect with rotation shaft body (1).
2. a kind of rotation axis shaft end hold-down mechanism according to claim 1, which is characterized in that the side wall of the accessory (2) On offer it is multiple left and right connection mounting holes (9).
3. a kind of rotation axis shaft end hold-down mechanism according to claim 1, which is characterized in that the side wall of the accessory (2) On offer threaded hole corresponding with U-shaped part (4) position, and threaded hole internal screw thread is connected with the first bolt, first bolt It is rotatablely connected through arc block (6) and with the notch inner wall of U-shaped part (4).
4. a kind of rotation axis shaft end hold-down mechanism according to claim 1, which is characterized in that positioning mechanism (7) packet The strip groove (10) being provided on end cap (5) side wall is included, and is provided with bar blocks (11), the bar blocks in strip groove (10) (11) it is fixedly connected on side wall connecting rod (12), and connecting rod (12) is fixedly connected with movable block far from the one end of bar blocks (11) (13), the movable block (13) is fixedly connected with installation part (15) far from the one end of connecting rod (12), and installation part (15) runs through item The inner wall of shape slot (10) is simultaneously connect with rotation shaft body (1).
5. a kind of rotation axis shaft end hold-down mechanism according to claim 4, which is characterized in that the side of the bar blocks (11) The second bolt is threaded on wall, and the second bolt and the inner wall of strip groove (10) are rotatablely connected, the rotation shaft body (1) Side wall on offer with installation part (15) connect installation notch (16).
6. a kind of rotation axis shaft end hold-down mechanism according to claim 1, which is characterized in that clamp system (8) packet The circular groove being provided on circular through hole (3) inner wall is included, is fixedly connected with annular element (17), the ring in the circular groove It is evenly equipped on the inner wall of shape part (17) multiple springs (18), and spring (18) is fixedly connected with arc far from the one end of annular element (17) The lateral wall of clevis block (19), the arc fixture block (19) one end and rotation shaft body (1) far from spring (18) connects, It is fixedly connected with multiple link blocks (14) on the lateral wall of the annular element (17), and leads between link block (14) and accessory (2) Third bolt is crossed to be fixedly connected.
CN201821235196.2U 2018-08-02 2018-08-02 A kind of rotation axis shaft end hold-down mechanism Active CN208759386U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821235196.2U CN208759386U (en) 2018-08-02 2018-08-02 A kind of rotation axis shaft end hold-down mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821235196.2U CN208759386U (en) 2018-08-02 2018-08-02 A kind of rotation axis shaft end hold-down mechanism

Publications (1)

Publication Number Publication Date
CN208759386U true CN208759386U (en) 2019-04-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821235196.2U Active CN208759386U (en) 2018-08-02 2018-08-02 A kind of rotation axis shaft end hold-down mechanism

Country Status (1)

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CN (1) CN208759386U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110076431A (en) * 2019-05-27 2019-08-02 青岛亿联集团股份有限公司 A kind of workshop processing of green building aluminum alloy mould plate is equipped with automatic welding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110076431A (en) * 2019-05-27 2019-08-02 青岛亿联集团股份有限公司 A kind of workshop processing of green building aluminum alloy mould plate is equipped with automatic welding

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