CN102996662A - Elastic coupling with sector rubber block and sealing function - Google Patents
Elastic coupling with sector rubber block and sealing function Download PDFInfo
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- CN102996662A CN102996662A CN2012105286612A CN201210528661A CN102996662A CN 102996662 A CN102996662 A CN 102996662A CN 2012105286612 A CN2012105286612 A CN 2012105286612A CN 201210528661 A CN201210528661 A CN 201210528661A CN 102996662 A CN102996662 A CN 102996662A
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Abstract
The invention provides an elastic coupling with a sector rubber block and a sealing function. The elastic coupling is composed of an outer half coupling, an inner half coupling and the sector elastic block, wherein a spline, a shifting block and an annular sealing section bump are arranged on the outer half coupling; a spline, a shifting block and a sealing surface are arranged on the inner half coupling, and the spline of the inner half coupling is used for transferring torque and the like with an external structure; and the shifting block of the outer half coupling is matched with the shifting block of the inner half coupling through the sector rubber block, thereby transferring the torque and the like inside the coupling. The coupling provided by the invention implements the transferring of the torque, a rotating speed and vibration through the sector elastic block and the shifting blocks of the inner and outer half couplings, and can meet the requirements on weight, spatial size, torque, sealing and the like of an underwater vehicle.
Description
Technical field
The present invention relates to a kind of linkage structure, be specially a kind of fan-shaped block rubber elastic coupling with sealing function.
Background technique
The shaft coupling that is used for separating vibration on the engineering is a lot, mainly be divided into nonmetal elastic element shaft coupling and metallic elastic component shaft coupling, ripe nonmetal elastic element shaft coupling comprises saddle type piece elastic coupling (JB/T7684-1995), quincunx elastic coupling (GB/T5272-2002), H shape elastomer block shaft coupling (JB/T5511-1991) etc., and ripe metallic elastic component shaft coupling comprises reed shaft coupling (GB/T12922-1991), flexibility bar shaft coupling (GB/T14653-1993) etc.Wherein saddle type piece elastic coupling is easy for installation, the axial displacement compensation ability is large, buffer shock-absorbing is functional, but boundary dimension is large, allowable rotating speed is low; Quincunx elastic coupling is simple in structure, easy to maintenance, buffer shock-absorbing performance, safe and reliable, applied widely is arranged; H shape elastomer block shaft coupling radial dimension is compact, have certain axially relative displacement and buffer shock-absorbing performance; Reed shaft coupling elasticity is high, damping is large, the buffer shock-absorbing ability is strong, but complex structure, make difficulty, cost is high; Flexibility bar shaft coupling torsional stiffness is large, bearing capacity is high, size is little, lightweight, but compensation rate is little.
The requirement of small-scale underwater vehicle device shaft coupling is lightweight, size is little, the relative size transmitting torque is large, and has good sealing.Various ripe shaft couplings do not satisfy usage requirement, mainly are to satisfy simultaneously above-mentioned three kinds of conditions, such as the H shape elastomer block shaft coupling of standard, nominal torque 560Nm, minimum weight 17.8kg, maximum radial dimension 160mm, total length 224mm, the head and shoulders above usage requirement of weight and size; During the quincunx elastic coupling nominal torque 630Nm of standard, minimum weight 9kg, maximum radial dimension 160mm, total length 224mm.And common shaft coupling does not have sealability.
Summary of the invention
The technical problem that solves
For solving overweight and oversize that ripe shaft coupling exists in the prior art, and without the problem of sealing function, the present invention proposes a kind of fan-shaped block rubber elastic coupling with sealing function.
Technological scheme
Technological scheme of the present invention is:
Described a kind of fan-shaped block rubber elastic coupling with sealing function is characterized in that: be comprised of outer half-coupling, interior half-coupling and fan-shaped elastomer block;
Described outer half-coupling axially has step through-hole; On the small aperture section inwall of described outer half-coupling step through-hole the connection spline is arranged, be used for outer half-coupling and be connected with external structure; N the radially shifting block of projection arranged on the large aperture section internal surface of described outer half-coupling step through-hole, and the shifting block of outer half-coupling is along circumferentially evenly distributing; Ring packing section projection is vertically arranged on the inner end face of half-coupling step through-hole large aperture section outside;
Described interior half-coupling axially has through hole; On the outer section inwall in the described interior half-coupling axial hole connection spline is arranged, be used for interior half-coupling and be connected with external structure; N the radially shifting block of projection arranged on the interior half-coupling outer wall, and the shifting block of interior half-coupling is along circumferentially evenly distributing;
Described interior half-coupling inner segment is inserted in the large aperture section of outer half-coupling step through-hole, and the inner segment internal face in the interior half-coupling axial hole cooperates by seal ring with the ring packing section of outer half-coupling projection outer wall; The shifting block of outer half-coupling intersects with the shifting block of interior half-coupling and cooperates, and is equipped with fan-shaped elastomer block between the shifting block of the shifting block of half-coupling and interior half-coupling outside.
Described a kind of fan-shaped block rubber elastic coupling with sealing function is characterized in that: gapped between the inner segment internal face in outer half-coupling ring packing section projection outer wall and the interior half-coupling axial hole.
Described a kind of fan-shaped block rubber elastic coupling with sealing function, it is characterized in that: the radial height of described outer half-coupling shifting block equals the radial height of interior half-coupling shifting block, and the radial height of outer half-coupling shifting block equals the poor of outer half-coupling step through-hole large aperture section internal face radius and interior half-coupling outer wall radius.
Described a kind of fan-shaped block rubber elastic coupling with sealing function, it is characterized in that: a side that does not contact with external high pressure water, gas at seal ring is equipped with Sealing shield ring.
Beneficial effect
The shaft coupling that the present invention proposes is realized the transmission of moment of torsion, rotating speed and vibration by the shifting block of fan-shaped elastomer block and inside and outside half-coupling, can satisfy the requirements such as submarine navigation device weight, bulk, moment of torsion and sealing.
Description of drawings
Fig. 1: structural representation of the present invention;
The A-A sectional view of Fig. 2: Fig. 1;
Wherein: 1, interior half-coupling; 2, outer half-coupling; 3, O-ring seals; 4, Sealing shield ring; 5, fan-shaped elastomer block.
Embodiment
Below in conjunction with specific embodiment the present invention is described:
With reference to accompanying drawing 1 and accompanying drawing 2, the fan-shaped block rubber elastic coupling with sealing function in the present embodiment is comprised of outer half-coupling 2, interior half-coupling 1 and fan-shaped elastomer block 5.
With reference to accompanying drawing 2, described outer half-coupling axially has step through-hole; On the small aperture section inwall of described outer half-coupling step through-hole the connection spline is arranged, be used for outer half-coupling and be connected transmitting torque, rotating speed and vibration with external structure; With reference to accompanying drawing 1,4 radially shifting blocks of projection are arranged on the large aperture section internal surface of described outer half-coupling step through-hole, and the shifting block of outer half-coupling is along circumferentially evenly distributing; Ring packing section projection is vertically arranged on the inner end face of half-coupling step through-hole large aperture section outside, be used for being sealed and matched with interior half-coupling.
With reference to accompanying drawing 2, described interior half-coupling axially has through hole; On the outer section inwall in the described interior half-coupling axial hole connection spline is arranged, be used for interior half-coupling and be connected transmitting torque, rotating speed and vibration with external structure; 4 radially shifting blocks of projection are arranged on the interior half-coupling outer wall, and the shifting block of interior half-coupling is along circumferentially evenly distributing.
With reference to accompanying drawing 2, described interior half-coupling inner segment is inserted in the large aperture section of outer half-coupling step through-hole, inner segment internal face in the interior half-coupling axial hole and the ring packing section of outer half-coupling projection outer wall are sealed and matched by O RunddichtringO 3, and a side that does not contact with external high pressure water, gas at the O RunddichtringO is equipped with Sealing shield ring, prevents that O-ring seals externally is extruded under high pressure water, the atmospheric pressure effect.Gapped between the inner segment internal face in outer half-coupling ring packing section projection outer wall and the interior half-coupling axial hole, be used for the radial displacement of expansion coupling.
The shifting block of outer half-coupling intersects with the shifting block of interior half-coupling and cooperates, and is equipped with fan-shaped elastomer block 5 between the shifting block of the shifting block of half-coupling and interior half-coupling outside.Shaft coupling in the present embodiment has 8 rubber elasticity pieces that structure is identical.The radial height of described outer half-coupling shifting block equals the radial height of interior half-coupling shifting block, and the radial height of outer half-coupling shifting block equals the poor of outer half-coupling step through-hole large aperture section internal face radius and interior half-coupling outer wall radius, to satisfy moment of torsion, rotating speed and vibration delivery request.
During use, moment of torsion, rotating speed and vibration are transmitted on outer half-coupling or the interior half-coupling, and outer half-coupling or interior half-coupling are delivered to moment of torsion, rotating speed and vibration on the fan-shaped rubber elasticity piece again.Fan-shaped rubber elasticity piece links to each other with interior half-coupling or outer half-coupling again, and moment of torsion, rotating speed and vibration are delivered on interior half-coupling or the outer half-coupling.
Claims (4)
1. the fan-shaped block rubber elastic coupling with sealing function is characterized in that: be comprised of outer half-coupling, interior half-coupling and fan-shaped elastomer block;
Described outer half-coupling axially has step through-hole; On the small aperture section inwall of described outer half-coupling step through-hole the connection spline is arranged, be used for outer half-coupling and be connected with external structure; N the radially shifting block of projection arranged on the large aperture section internal surface of described outer half-coupling step through-hole, and the shifting block of outer half-coupling is along circumferentially evenly distributing; Ring packing section projection is vertically arranged on the inner end face of half-coupling step through-hole large aperture section outside;
Described interior half-coupling axially has through hole; On the outer section inwall in the described interior half-coupling axial hole connection spline is arranged, be used for interior half-coupling and be connected with external structure; N the radially shifting block of projection arranged on the interior half-coupling outer wall, and the shifting block of interior half-coupling is along circumferentially evenly distributing;
Described interior half-coupling inner segment is inserted in the large aperture section of outer half-coupling step through-hole, and the inner segment internal face in the interior half-coupling axial hole cooperates by seal ring with the ring packing section of outer half-coupling projection outer wall; The shifting block of outer half-coupling intersects with the shifting block of interior half-coupling and cooperates, and is equipped with fan-shaped elastomer block between the shifting block of the shifting block of half-coupling and interior half-coupling outside.
2. described a kind of fan-shaped block rubber elastic coupling with sealing function according to claim 1 is characterized in that: gapped between the inner segment internal face in outer half-coupling ring packing section projection outer wall and the interior half-coupling axial hole.
3. described a kind of fan-shaped block rubber elastic coupling with sealing function according to claim 1 and 2, it is characterized in that: the radial height of described outer half-coupling shifting block equals the radial height of interior half-coupling shifting block, and the radial height of outer half-coupling shifting block equals the poor of outer half-coupling step through-hole large aperture section internal face radius and interior half-coupling outer wall radius.
4. described a kind of fan-shaped block rubber elastic coupling with sealing function according to claim 3, it is characterized in that: a side that does not contact with external high pressure water, gas at seal ring is equipped with Sealing shield ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105286612A CN102996662A (en) | 2012-12-10 | 2012-12-10 | Elastic coupling with sector rubber block and sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105286612A CN102996662A (en) | 2012-12-10 | 2012-12-10 | Elastic coupling with sector rubber block and sealing function |
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| Publication Number | Publication Date |
|---|---|
| CN102996662A true CN102996662A (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105286612A Pending CN102996662A (en) | 2012-12-10 | 2012-12-10 | Elastic coupling with sector rubber block and sealing function |
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| CN (1) | CN102996662A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615339A (en) * | 2019-09-17 | 2019-12-27 | 浙江尼邦电梯有限公司 | Coupling for traction elevator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1104284A (en) * | 1964-08-07 | 1968-02-21 | Wellman Bibby Company Ltd | Improvements in or relating to flexible couplings |
| CN87104205A (en) * | 1986-06-25 | 1988-01-13 | 哈克福思股份公司 | Elastic coupling flexible coupling |
| CN2823657Y (en) * | 2005-07-08 | 2006-10-04 | 无锡申穗船舶设备有限责任公司 | Gear hydraulic coupling |
| CN1856673A (en) * | 2003-09-26 | 2006-11-01 | 本田技研工业株式会社 | Balancer driven gear of engine |
| CN102287519A (en) * | 2011-07-19 | 2011-12-21 | 四川保特尼机械设备制造有限公司 | Flexible connection input module for gear speed reducer |
-
2012
- 2012-12-10 CN CN2012105286612A patent/CN102996662A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1104284A (en) * | 1964-08-07 | 1968-02-21 | Wellman Bibby Company Ltd | Improvements in or relating to flexible couplings |
| CN87104205A (en) * | 1986-06-25 | 1988-01-13 | 哈克福思股份公司 | Elastic coupling flexible coupling |
| CN1856673A (en) * | 2003-09-26 | 2006-11-01 | 本田技研工业株式会社 | Balancer driven gear of engine |
| CN2823657Y (en) * | 2005-07-08 | 2006-10-04 | 无锡申穗船舶设备有限责任公司 | Gear hydraulic coupling |
| CN102287519A (en) * | 2011-07-19 | 2011-12-21 | 四川保特尼机械设备制造有限公司 | Flexible connection input module for gear speed reducer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615339A (en) * | 2019-09-17 | 2019-12-27 | 浙江尼邦电梯有限公司 | Coupling for traction elevator |
| CN110615339B (en) * | 2019-09-17 | 2022-05-27 | 浙江尼邦电梯有限公司 | Shaft coupling for traction elevator |
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Application publication date: 20130327 |