CN203412978U - Shaft coupling with function of electrical insulation - Google Patents
Shaft coupling with function of electrical insulation Download PDFInfo
- Publication number
- CN203412978U CN203412978U CN201320487423.1U CN201320487423U CN203412978U CN 203412978 U CN203412978 U CN 203412978U CN 201320487423 U CN201320487423 U CN 201320487423U CN 203412978 U CN203412978 U CN 203412978U
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- ring gear
- fixing pin
- ring
- coupling
- couplings
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Abstract
The utility model relates to a shaft coupling with a function of electrical insulation. The shaft coupling consists of two half shaft couplings (1) and an internal-tooth ring (2) which is sleeved outside the two half shaft couplings (1), wherein internal teeth of the internal-tooth ring (2) are engaged with external teeth of the two half shaft couplings (1); the internal-tooth ring (2) is made from an insulating material, a fixing pin (3) is arranged on the internal-tooth ring (2) along the radial direction of the internal-tooth ring (2) in a penetrating manner, the outer end of the fixing pin (3) and the internal-tooth ring (2) are of detachable fixed connection, and the inner end of the fixing pin (3) extends into a gap between the two half shaft couplings (1) so as to locate the internal-tooth ring (2) in the axial direction; the internal wall of the internal-tooth ring (2) is of an axial through structure, and the internal-tooth ring (2) can axially slide relative to the half shaft couplings (1) after the fixing pin (3) is disassembled, so that the half shaft couplings (1) can be disengaged from the internal-tooth ring (2). The shaft coupling has electrical insulation property, and the internal-tooth ring can slide along the axial direction, so that a main shaft can be conveniently separated from a driven shaft.
Description
Technical field
The utility model relates to coupling, is specifically related to a kind of crown gear coupling with electric insulation functions.
Background technique
Coupling, is for connecting two axles (driving shaft and driven shaft) in different institutions, makes it common rotation with the mechanical parts of transmitting torque.Coupling has a variety of, and wherein conventional have a gear coupling, and gear coupling is comprised of a ring gear and two half-couplings with external tooth.When the external tooth on half-coupling is crowned teeth, such gear coupling is crown gear coupling.Gear coupling radial dimension is little, and bearing capacity is large, and the axle that is usually used in low-speed heave-load working condition is transmission, and highi degree of accuracy also can be used for high-speed drive through dynamically balanced gear coupling.Because crown gear coupling can allow larger angular displacement with respect to straight-tooth coupling, can improve the contact conditions of tooth, improve the ability of transmitting torque, increase the service life, inside and outside native land, all extensively adopt crown gear coupling.
Existing crown gear coupling, is to form with the half-coupling of external tooth and the ring gear that is enclosed within outside two half-couplings by two, and external tooth is crowned teeth.Existing crown gear coupling has the following disadvantages: 1, integral body is metal material, without electrical insulating property; 2, ring gear cannot slide vertically, is not easy to main shaft separated with driven shaft.
Summary of the invention
The utility model object is to provide a kind of coupling with electric insulation functions, and to solve prior art without electrical insulating property, and ring gear cannot slide vertically, is not easy to the main shaft problem separated with driven shaft.
For achieving the above object, the first technological scheme that the utility model adopts is: a kind of coupling with electric insulation functions, by two, with the half-coupling of external tooth and the ring gear that is enclosed within outside two half-couplings, form, described external tooth is crowned teeth, and the internal tooth of ring gear is meshed with the external tooth of two half-couplings; Described ring gear is insulation material, along ring gear on ring gear, radially wear from outside to inside a fixing pin, the outer end of this fixing pin is detachable being fixedly connected with ring gear, and the inner of fixing pin extends in the gap between two half-couplings, to locate in the axial direction ring gear; Under use state, between the inner of described fixing pin and at least one half-coupling, there is gap; And the inwall of ring gear is communicating structure vertically, after dismounting fixing pin, ring gear relatively half-coupling slides vertically, makes half-coupling deviate from ring gear.
Related content in technique scheme is explained as follows:
1, in such scheme, " under use state; have gap between the inner of described fixing pin and at least one half-coupling " refers to the use state of this coupling after installation, because two half-couplings have been connected with driving shaft/driven shaft, the axial position of two half-couplings has been positioned, the gap width between two half-couplings has been fixed, and this gap width must be greater than the inner radial dimension of fixing pin, and guarantees that fixing pin can not contact two half-couplings all the time simultaneously.
2, in such scheme, a metal retaining ring is connected on the outer end of described fixing pin, this metal retaining ring is around the circumferential open loop structure of ring gear, this metal Fixing shrink ring is placed in the periphery of ring gear, between the two ends of its opening, by a connecting band, connect, between the outer end that makes fixing pin with this and ring gear, form detachable being fixedly connected with.Further, each the outside bending of the end, two ends of the opening of described metal retaining ring forms hook portion, and described connecting band is an elastic ring, and this elastic ring is placed in the hook portion at two ends, with the elastic force of elastic ring, forces metal retaining ring to tighten up.
The second technological scheme that the utility model adopts is: a kind of coupling with electric insulation functions, by two, with the half-coupling of external tooth and the ring gear that is enclosed within outside two half-couplings, form, described external tooth is crowned teeth, and the internal tooth of ring gear is meshed with the external tooth of two half-couplings; Described ring gear is insulation material, along ring gear on ring gear, radially wear from outside to inside a fixing pin, the outer end of this fixing pin is detachable being fixedly connected with ring gear, the inner of fixing pin is insulation material, the inner of this insulation material extends in the gap between two half-couplings, to locate in the axial direction ring gear; And the inwall of ring gear is communicating structure vertically, after dismounting fixing pin, ring gear relatively half-coupling slides vertically, makes half-coupling deviate from ring gear.
Related content in technique scheme is explained as follows:
In such scheme, a metal retaining ring is connected on the outer end of described fixing pin, this metal retaining ring is around the circumferential open loop structure of ring gear, this metal Fixing shrink ring is placed in the periphery of ring gear, between the two ends of its opening, by a connecting band, connect, between the outer end that makes fixing pin with this and ring gear, form detachable being fixedly connected with.Further, each the outside bending of the end, two ends of the opening of described metal retaining ring forms hook portion, and described connecting band is an elastic ring, and this elastic ring is placed in the hook portion at two ends, with the elastic force of elastic ring, forces metal retaining ring to tighten up.
Design principle of the present utility model and the effect of bringing:
The utility model is the improvement of carrying out on existing crown gear coupling basis, the utility model changes ring gear into the structure of axial perforation on the one hand, so that ring gear relatively half-coupling slide vertically and make half-coupling can deviate from ring gear, but on ring gear, establish a fixing pin, the inner of this fixing pin is stretched in the gap between two half-couplings, reaches the effect of location ring gear; When coupling is worked, existence due to fixing pin, ring gear is can not being shifted of location in the axial direction, when needs are dismantled driving shaft or driven shaft, operator first unloads fixing pin, then, just ring gear can be shifted to vertically on one side, the half-coupling that the axle that will tear open is connected is directly deviate from ring gear, and this unloading process is very convenient; The utility model changes internal tooth casing to adopt insulation material on the other hand, and by guarantee that under use state, fixing pin can not touch two half-couplings simultaneously, or directly use the inner of fixing pin instead insulation material, thereby realized the electrical insulation between two half-couplings.
Accompanying drawing explanation
Fig. 1 is that the master of the utility model example structure looks partial schematic sectional view;
Fig. 2 is that partial schematic sectional view is looked on a left side of Fig. 1.
In above accompanying drawing: 1, half-coupling; 2, ring gear; 3, fixing pin; 4, metal retaining ring; 5, connecting band.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment one: shown in Fig. 1, Fig. 2:
A coupling with electric insulation functions, shown in Fig. 1, Fig. 2, forms with the half-coupling 1 of external tooth and the ring gear 2 that is enclosed within outside two half-couplings 1 by two, and described external tooth is crowned teeth, and the internal tooth of ring gear 2 is meshed with the external tooth of two half-couplings 1.
Shown in Fig. 1, Fig. 2, described ring gear 2 is insulation material, concrete available engineering plastics, along ring gear 2 on ring gear 2, radially wear from outside to inside a fixing pin 3, the outer end of this fixing pin 3 is detachable being fixedly connected with ring gear 2, the inner of fixing pin 3 extends in the gap between two half-couplings 1, to locate in the axial direction ring gear 2.
Shown in Fig. 1, Fig. 2, under use state, between the inner of described fixing pin 3 and at least one half-coupling 1, there is gap, to guarantee that under use state, fixing pin 3 at most only may contact with a half-coupling 1, can not contact two half-couplings 1 simultaneously, avoid fixing pin 3 in 1 conduction of two half-couplings.
And shown in Figure 1, the inwall of ring gear 2 is communicating structure vertically, after dismounting fixing pin 3, ring gear 2 relatively half-coupling 1 slides vertically, makes half-coupling 1 directly deviate from ring gear 2.
Outer end about fixing pin 3 is fixedly connected with the detachable of ring gear 2, has multiple specific implementation in reality, such as 1 of fixing pin 3 outer ends and ring gear are to be threaded, and during dismounting, can outwards screw out fixing pin 3.
Referring to Fig. 1, shown in Fig. 2, the give an example outer end of fixing pin 3 and the detachable fixed connection structure of ring gear 2 of the present embodiment is: a metal retaining ring 4 is connected on the outer end of described fixing pin 3, this metal retaining ring 4 is around the circumferential open loop structure of ring gear 2, this metal retaining ring 4 is placed in the periphery of ring gear 2, between the two ends of its opening, by a connecting band 5, connect, further again, each the outside bending of the end, two ends of the opening of described metal retaining ring 4 forms hook portion, described connecting band 5 is an elastic ring, this elastic ring is placed in the hook portion at two ends, elastic force with elastic ring forces metal retaining ring 4 to tighten up.So-called elastic ring can adopt an annular elastic cord.
Embodiment two: shown in Fig. 1, Fig. 2:
A coupling with electric insulation functions, shown in Fig. 1, Fig. 2, forms with the half-coupling 1 of external tooth and the ring gear 2 that is enclosed within outside two half-couplings 1 by two, and described external tooth is crowned teeth, and the internal tooth of ring gear 2 is meshed with the external tooth of two half-couplings 1; Be with embodiment one difference: the inner of described fixing pin 3 also adopts insulation material, even the inner of fixing pin 3 contacts two half-couplings 1 and also can not conduct electricity under use state simultaneously.
Other,, with embodiment one, repeat no more here.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (6)
1. a coupling with electric insulation functions, by two half-couplings with external tooth (1) and be enclosed within the outer ring gear (2) of two half-couplings (1) and form, described external tooth is crowned teeth, and the internal tooth of ring gear (2) is meshed with the external tooth of two half-couplings (1); It is characterized in that: described ring gear (2) is insulation material, ring gear (2) is upper radially wears a fixing pin (3) from outside to inside along ring gear (2), the outer end of this fixing pin (3) is detachable being fixedly connected with ring gear (2), the inner of fixing pin (3) extends in the gap between two half-couplings (1), to locate in the axial direction ring gear (2); Under use state, between the inner of described fixing pin (3) and at least one half-coupling (1), there is gap; And the inwall of ring gear (2) is communicating structure vertically, after dismounting fixing pin (3), ring gear (2) relatively half-coupling (1) slides vertically, makes half-coupling (1) deviate from ring gear (2).
2. there is according to claim 1 the coupling of electric insulation functions, it is characterized in that: a metal retaining ring (4) is connected on the outer end of described fixing pin (3), this metal retaining ring (4) is around the circumferential open loop structure of ring gear (2), this metal retaining ring (4) is placed in the periphery of ring gear (2), between the two ends of its opening, by a connecting band (5), connect, between the outer end that makes fixing pin (3) with this and ring gear (2), form detachable being fixedly connected with.
3. there is according to claim 2 the coupling of electric insulation functions, it is characterized in that: each the outside bending of the end, two ends of the opening of described metal retaining ring (4) forms hook portion, described connecting band (5) is an elastic ring, this elastic ring is placed in the hook portion at two ends, with the elastic force of elastic ring, forces metal retaining ring (4) to tighten up.
4. a coupling with electric insulation functions, by two half-couplings with external tooth (1) and be enclosed within the outer ring gear (2) of two half-couplings (1) and form, described external tooth is crowned teeth, and the internal tooth of ring gear (2) is meshed with the external tooth of two half-couplings (1); It is characterized in that: described ring gear (2) is insulation material, ring gear (2) is upper radially wears a fixing pin (3) from outside to inside along ring gear (2), the outer end of this fixing pin (3) is detachable being fixedly connected with ring gear (2), the inner of fixing pin (3) is insulation material, the inner of this insulation material extends in the gap between two half-couplings (1), to locate in the axial direction ring gear (2); And the inwall of ring gear (2) is communicating structure vertically, after dismounting fixing pin (3), ring gear (2) relatively half-coupling (1) slides vertically, makes half-coupling (1) deviate from ring gear (2).
5. there is according to claim 4 the coupling of electric insulation functions, it is characterized in that: a metal retaining ring (4) is connected on the outer end of described fixing pin (3), this metal retaining ring (4) is around the circumferential open loop structure of ring gear (2), this metal retaining ring (4) is placed in the periphery of ring gear (2), between the two ends of its opening, by a connecting band (5), connect, between the outer end that makes fixing pin (3) with this and ring gear (2), form detachable being fixedly connected with.
6. there is according to claim 5 the coupling of electric insulation functions, it is characterized in that: each the outside bending of the end, two ends of the opening of described metal retaining ring (4) forms hook portion, described connecting band (5) is an elastic ring, this elastic ring is placed in the hook portion at two ends, with the elastic force of elastic ring, forces metal retaining ring (4) to tighten up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320487423.1U CN203412978U (en) | 2013-08-09 | 2013-08-09 | Shaft coupling with function of electrical insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320487423.1U CN203412978U (en) | 2013-08-09 | 2013-08-09 | Shaft coupling with function of electrical insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412978U true CN203412978U (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320487423.1U Expired - Fee Related CN203412978U (en) | 2013-08-09 | 2013-08-09 | Shaft coupling with function of electrical insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110582380A (en) * | 2017-05-02 | 2019-12-17 | 艾沛克斯品牌公司 | Electric insulation coupling |
| CN110945257A (en) * | 2017-07-21 | 2020-03-31 | Kwd德雷斯登连接器有限公司 | Coupling and method for manufacturing the same |
-
2013
- 2013-08-09 CN CN201320487423.1U patent/CN203412978U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110582380A (en) * | 2017-05-02 | 2019-12-17 | 艾沛克斯品牌公司 | Electric insulation coupling |
| CN110582380B (en) * | 2017-05-02 | 2021-01-01 | 艾沛克斯品牌公司 | Electric insulation coupling |
| CN110945257A (en) * | 2017-07-21 | 2020-03-31 | Kwd德雷斯登连接器有限公司 | Coupling and method for manufacturing the same |
| CN110945257B (en) * | 2017-07-21 | 2022-03-25 | Kwd德雷斯登连接器有限公司 | Coupling and method for manufacturing the same |
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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: 20140129 Termination date: 20200809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |