CN203488584U - Novel shaft coupler of Roots blower - Google Patents

Novel shaft coupler of Roots blower Download PDF

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Publication number
CN203488584U
CN203488584U CN201320614490.5U CN201320614490U CN203488584U CN 203488584 U CN203488584 U CN 203488584U CN 201320614490 U CN201320614490 U CN 201320614490U CN 203488584 U CN203488584 U CN 203488584U
Authority
CN
China
Prior art keywords
shaft coupling
sleeve
coupling piece
shaft
coupling block
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
Application number
CN201320614490.5U
Other languages
Chinese (zh)
Inventor
牛进川
牛余庆
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.)
ZHANGQIU OASIS MACHINERY Co Ltd
Original Assignee
ZHANGQIU OASIS MACHINERY Co Ltd
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 ZHANGQIU OASIS MACHINERY Co Ltd filed Critical ZHANGQIU OASIS MACHINERY Co Ltd
Priority to CN201320614490.5U priority Critical patent/CN203488584U/en
Application granted granted Critical
Publication of CN203488584U publication Critical patent/CN203488584U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A novel shaft coupler of a Roots blower comprises a first shaft coupling block, a second shaft coupling block and a pin shaft. The center of the first shaft coupling block and the center of the second shaft coupling block are respectively provided with a shaft coupling hole. Key grooves are formed in the axial directions of the inner walls of the shaft coupling holes. The novel shaft coupler is characterized by further comprising a sleeve. The first shaft coupling block and the second shaft coupling block are sleeved with the sleeve. The height of the first shaft coupling block and the height of the second shaft coupling block are respectively a half the height of the sleeve. A plurality of first grooves are evenly distributed in the inner wall of the sleeve in the circumferential direction of the sleeve. A plurality of second grooves are evenly formed in the outer walls of the first shaft coupling block and the second shaft coupling block in the circumferential directions of the first shaft coupling block and the second shaft coupling block. The second grooves and the first grooves formed in the inner wall of the sleeve correspond to each other in a one-to-one mode to form an axial through hole. The pin shaft is inserted into the through hole formed by the first grooves and the second grooves. According to the novel shaft coupler of the Roots blower, the firmness of the first shaft coupling block and the second shaft coupling block is improved, the service life of the pin shaft is prolonged, installation is convenient, and the cost is reduced.

Description

Roots blower novel coupler
Technical field
The utility model relates to a kind of coupling, is a kind of roots blower novel coupler specifically.
Background technique
Coupling is that two axles for connecting in different institutions make it common rotation with the mechanical parts of transmitting torque, at present, most coupling are to consist of input shaft connecting end and output shaft connecting end two-part, between them, by bearing pin, connect, this Placement is insecure, and anti-buffer capacity is poor, easily damage, thereby caused the working life of coupling short, need to often keep in repair, had a strong impact on the normal use of coupling.Meanwhile, the connecting end of existing coupling is all with a protruding joint, and material is not only wasted in such design, increases cost, and is inconvenient to install.
Model utility content
The shortcoming existing in order to overcome above-mentioned prior art, the purpose of this utility model is to provide a kind of anti-buffer capacity strong, easy for installation, is connected firmly, the roots blower novel coupler that cost is low.
In order to address the above problem, the utility model is by the following technical solutions: a kind of roots blower novel coupler, comprise the first shaft coupling piece, the second shaft coupling piece and bearing pin, the first shaft coupling piece and the second shaft coupling Kuai center arrange respectively connecting shaft hole, the inwall in connecting shaft hole is provided with keyway on axially, it is characterized in that, it also comprises the sleeve that is placed on the first shaft coupling piece and the second shaft coupling piece outside, the height of described the first shaft coupling piece and the second shaft coupling piece is all set to half of sleeve height, and described sleeve lining is evenly equipped with some the first grooves along its circumferencial direction; On described the first shaft coupling piece and the second shaft coupling piece outer wall, along its circumferencial direction, be evenly provided with some the second grooves, the second described groove and the first groove of sleeve lining setting be the corresponding formation axial hole that arranges one by one, and described bearing pin is inserted in the through hole that the first groove and the second groove form.
Preferably, described the first groove and the second groove are semicircle column type, and described bearing pin is cylinder type.
Further, described sleeve both ends of the surface are provided with back-up ring, and described back-up ring is bolted at sleeve ends.
Further, described keyway arranged outside has block, and described block is secured by bolts in port outside keyway.
The beneficial effects of the utility model are: this roots blower novel coupler connects together the first shaft coupling piece and the second shaft coupling piece by sleeve, in the through hole of the first groove and the relative formation of the second groove, insert bearing pin, guaranteed the soundness that the first shaft coupling piece is connected with the second shaft coupling piece, and after use sleeve, the force bearing point of bearing pin changes, and has extended the working life of bearing pin; The first coupling block and the second coupling block are sleeved in sleeve completely, there is no protruding joint, have not only reduced cost, and convenient installation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described further:
Fig. 1 is plan view of the present utility model;
Fig. 2 is along A-A direction sectional view in Fig. 1;
Fig. 3 is the plan view of the first shaft coupling piece;
Fig. 4 is the plan view of sleeve;
In figure: 1-the first shaft coupling piece, 2-the second shaft coupling piece, 3-bearing pin, 4-connecting shaft hole, 5-keyway, 6-sleeve, 7-the first groove, 8-the second groove, 9-back-up ring, 10-block.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by an embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
As Figure 1-4, a kind of roots blower novel coupler of the utility model, comprise the first shaft coupling piece 1, the second shaft coupling piece 2 and bearing pin 3, the center of the first shaft coupling piece 1 and the second shaft coupling piece 2 arranges respectively connecting shaft hole 4, the inwall in connecting shaft hole 4 is provided with keyway 5 on axially, and the keyway 5 of the connecting shaft hole 4 interior settings of described the first shaft coupling piece 1 and the second shaft coupling piece 2 is on a same straight line.
This roots blower novel coupler also comprises the sleeve 6 that is placed on the first shaft coupling piece 1 and the second shaft coupling piece 2 outsides, the height of described the first shaft coupling piece 1 and the second shaft coupling piece 2 is all set to half of sleeve 6 height, and described sleeve 6 inwalls are evenly equipped with some the first grooves 7 along its circumferencial direction; On described the first shaft coupling piece 1 and the second shaft coupling piece 2 outer walls, along its circumferencial direction, be evenly provided with some the second grooves 8, the first groove 7 of the second described groove 8 and sleeve 6 inwall settings is the corresponding formation axial hole that arranges one by one, and described bearing pin 3 is inserted in the through hole that the first groove 7 and the second groove 8 form.Preferably, described the first groove 7 and the second groove 8 are semicircle column type, and described bearing pin 3 is cylinder type.
As optimization, described sleeve 6 both ends of the surface are provided with back-up ring 9, and described back-up ring 9 is bolted in sleeve 6 ends.
As further optimization, described keyway 5 arranged outside have block 10, and described block 10 is secured by bolts in keyway 5 ports, outside.
In the port of sleeve and keyway, correspondence arranges back-up ring 9 and block respectively, can prevent that dust from entering coupling inside so on the one hand, also can avoid key and bearing pin 3 to skid off in coupling rotation process simultaneously.
During installation, motor output shaft and blower fan input shaft are arranged on respectively in the connecting shaft hole of the first shaft coupling piece 1 and the second shaft coupling piece 2, key inserts in keyway 5, then from sleeve 6 both sides, insert respectively the first shaft coupling piece 1 and the second shaft coupling piece 2, alignment the first groove 7 and the rear insertion bearing pin 3 of the second groove 8 can be realized being connected of motor and blower fan.
The above is preferred implementation of the present utility model; for those skilled in the art; not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications are also regarded as protection domain of the present utility model.

Claims (4)

1. a roots blower novel coupler, comprise the first shaft coupling piece, the second shaft coupling piece and bearing pin, the first shaft coupling piece and the second shaft coupling Kuai center arrange respectively connecting shaft hole, the inwall in connecting shaft hole is provided with keyway on axially, it is characterized in that, it also comprises the sleeve that is placed on the first shaft coupling piece and the second shaft coupling piece outside, and the height of described the first shaft coupling piece and the second shaft coupling piece is all set to half of sleeve height, and described sleeve lining is evenly equipped with some the first grooves along its circumferencial direction; On described the first shaft coupling piece and the second shaft coupling piece outer wall, along its circumferencial direction, be evenly provided with some the second grooves, the second described groove and the first groove of sleeve lining setting be the corresponding formation axial hole that arranges one by one, and described bearing pin is inserted in the through hole that the first groove and the second groove form.
2. roots blower novel coupler according to claim 1, is characterized in that, described the first groove and the second groove are semicircle column type, and described bearing pin is cylinder type.
3. roots blower novel coupler according to claim 1, is characterized in that, described sleeve both ends of the surface are provided with back-up ring, and described back-up ring is bolted at sleeve ends.
4. roots blower novel coupler according to claim 1, is characterized in that, described keyway arranged outside has block, and described block is secured by bolts in port outside keyway.
CN201320614490.5U 2013-09-30 2013-09-30 Novel shaft coupler of Roots blower Expired - Fee Related CN203488584U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320614490.5U CN203488584U (en) 2013-09-30 2013-09-30 Novel shaft coupler of Roots blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320614490.5U CN203488584U (en) 2013-09-30 2013-09-30 Novel shaft coupler of Roots blower

Publications (1)

Publication Number Publication Date
CN203488584U true CN203488584U (en) 2014-03-19

Family

ID=50259420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320614490.5U Expired - Fee Related CN203488584U (en) 2013-09-30 2013-09-30 Novel shaft coupler of Roots blower

Country Status (1)

Country Link
CN (1) CN203488584U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486148A (en) * 2013-09-30 2014-01-01 章丘市绿洲机械有限公司 Novel coupler of Roots blower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486148A (en) * 2013-09-30 2014-01-01 章丘市绿洲机械有限公司 Novel coupler of Roots blower

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GR01 Patent grant
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140319

Termination date: 20140930