CN2895840Y - Novel elastic pretightening mechanism - Google Patents
Novel elastic pretightening mechanism Download PDFInfo
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- CN2895840Y CN2895840Y CN 200620102031 CN200620102031U CN2895840Y CN 2895840 Y CN2895840 Y CN 2895840Y CN 200620102031 CN200620102031 CN 200620102031 CN 200620102031 U CN200620102031 U CN 200620102031U CN 2895840 Y CN2895840 Y CN 2895840Y
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- cylinder
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- taper lock
- stressing
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- 238000013461 design Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to a Novel elastic pretightening mechanism which comprises a cylinder with the fixed basal portion and a spring which wraps out of the cylinder, one end of the spring acts on the pressure piece, and the other end acts on the end of the cylinder. The characteristics lie in that at least two cone locking pieces which lock together are arranged at the periphery of the cylinder end, a bracelet of cone cavity wraps the periphery of the cone locking pieces, and one end of the spring acts on the bracelet. The utility model has the advantages of that: the design is reasonable, the structure is simple and difficult to be worn, the service time is long and easy to be popularized; the operation is easy, the disassembly and the maintenance are convenient; the running stability is high, safety is good and the shake is no influence to the device, and the wear and working noise are small; the device is unnecessary to add the lubricant to make the pollution.
Description
Technical field
The utility model relates to field of mechanical technique, especially relates to a kind of structure improvement to New Elasticity Pre-stressing Organization.
Background technique
The elasticity pre-tightening mechanism is widely used in various occasions, and all is that several elasticity pre-tightening mechanisms use simultaneously in the ordinary course of things.As shown in Figure 1, be a kind of spring pretightening mechanism that comparatively extensively adopts at present.The base portion of cylinder 1 is fixed on the fixed body 9 (for example worktable), is with spring 2 on cylinder 1, and the two ends of spring 2 act on respectively on the locking mechanism at compressing member 3 and cylinder 1 top.As Fig. 1, the locking mechanism here is two nuts 8, can regulate the size of pretightening force by the height of adjusting nut 8.
Mainly there is following defective in above-mentioned scheme: 1. the size of pretightening force is difficult to control, when particularly a plurality of elasticity pre-tightening mechanisms use simultaneously, is difficult to guarantee that the pretightening force of each elasticity pre-tightening mechanism equates.2. poor repeatability, the pretightening force size of each time adjusting are difficult for repeating realizing.3. it is very inconvenient to mount and dismount, and need nut be disassembled by instrument, and the replacement when spring damages is very inconvenience also.4. in the course of the work,, thereby changed the size of pretightening force, caused the stability of work not high, even might cause nut to break away from, caused fault because vibrations cause the loosening of nut easily.5. owing to be that rigidity contact between the base portion of cylinder and the compressing member, wear and tear easily when working, cause and rock, not only operating noise is big, also can influence the normal operation of equipment; And need lubricating oil filling in use, pollute easily.
People have carried out long-term exploration for this reason, have proposed diversified improvement project.For example, Chinese patent literature discloses a kind of scyewed joint pre-pressing structure (application number: CN02261503.2), comprise first connected member and second connected member and be arranged at therebetween spiro column, the nut body or the bolt head that it is characterized in that described spiro column one end are provided with several screws, and it is provided with corresponding tensioning screw; The other end roof pressure of described tensioning screw is on the connected member that is subjected to the spiro column pressing.This scheme is complex structure not only, and it is also very inconvenient to use, and does not solve the existing in prior technology defective fully.
Summary of the invention
The utility model mainly is to solve existing in prior technology to mount and dismount very inconveniently, need nut be disassembled by instrument, and the replacement when spring damages is the unusual technical problem of inconvenience etc. also; Provide a kind of reasonable in design, simple in structure, be convenient to installation and removal, maintained New Elasticity Pre-stressing Organization easily.
It is that the size that solves the existing in prior technology pretightening force is difficult to control that the utility model also has a purpose, when particularly a plurality of elasticity pre-tightening mechanisms use simultaneously, is difficult to guarantee the equal technical problem of pretightening force of each elasticity pre-tightening mechanism; Provide a kind of pretightening force of each elasticity pre-tightening mechanism constant, the New Elasticity Pre-stressing Organization that realization dynamics is easily set.
It is to solve existing in prior technology in the course of the work that the utility model has a purpose again, because vibrations cause the loosening of nut easily, thereby changed the size of pretightening force, cause the stability of work not high, even might cause nut to break away from, cause fault, and cause technical problems such as lubricant pollution easily; Provide a kind of structure firm, the stability of work is high, and Security is good, shockproof influence, the not New Elasticity Pre-stressing Organization that can be polluted.
The utility model has a purpose in addition be the base portion that solves the existing in prior technology cylinder with compressing member between be that rigidity contacts, at the work lubricant oil of the time need annotating, wearing and tearing easily, cause and rock, not only operating noise is big, also can influence the normal operation of equipment, form technical problems such as lubricant pollution; Provide a kind of not easy to wear, long service life, the New Elasticity Pre-stressing Organization of the lubricant oil that need not to annotate.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: New Elasticity Pre-stressing Organization, comprise the cylinder that a foundation portion is fixing, on cylinder, be with spring, one end of spring acts on the compressing member, the other end acts on the end of cylinder, it is characterized in that periphery, described cylinder end is provided with at least two taper lock dogs that snap together, be with a hoop cover with conical cavity in the periphery of taper lock dog, an end of described spring acts on hoop and puts.
The utility model has creatively utilized taper principle wide at the top and narrow at the bottom, adopt taper lock dog and the synergy of hoop cover that spring clip is enclosed within the cylinder, abandoned completely by screwing or relax nut, thereby tightened or draw spring, reached pretension purpose traditional approach.Because the elastic force of spring is consistent, can realize the dynamics unanimity of each elasticity pre-tightening mechanism so easily; And the unanimity of each time pretightening force.
For the ease of pressure is acted on the compressing member, as preferably, be provided with a cushion cover between described cylinder base portion and the compressing member, an end of described spring acts on the cushion cover.In addition,, also can change the cushion cover of different heights size, to change the compression degree of spring for strength of adjustment.
For fear of owing to after long-time the use, produce the space owing to wear and tear between cushion cover and the cylinder, cause cylinder to rock.As preferably, be provided with a body of making by high-abrasive material between described cushion cover and the cylinder.The friction factor of body is little, has self lubricity, and is wear-resistant.
As preferably, described cylinder end is provided with an annular bayonet socket, and described taper lock dog is arranged in the annular bayonet socket.
As preferably, described hoop cover periphery is provided with an annular convex ring, and an end of described spring acts on the annular convex ring.Utilize the active force of spring will bind round cover and withstand on the taper lock dog, can be stuck on the cylinder to guarantee the taper lock dog.
As preferably, the tapering of described taper lock dog is 5～30 degree.
As preferably, periphery, described cylinder end is provided with two taper lock dogs that snap together, the cross section semicircular in shape of described taper lock dog.The number of the taper lock dog here can be set according to actual needs, in general adopts two semicircular halfbodies to surround an annular and gets final product.
Therefore, the utlity model has following advantage: 1, reasonable in design, simple in structure, and not easy to wear, long service life is easy to promote; 2, danger and labor intensity are less, and pretightening force control is accurate, and the pretightening force of each elasticity pre-tightening mechanism is constant, and realization dynamics is easily set; 3, easy and simple to handle, convenient disassembly, maintenance is convenient; 4. the stability of work is high, and Security is good, can not be subjected to vibration influence, and wearing and tearing are few, and operating noise is little; 5. need not the lubricant oil of annotating, can not cause lubricant pollution.
Description of drawings
Accompanying drawing 1 is a kind of sectional structure schematic representation of prior art;
Accompanying drawing 2 is a kind of sectional structure schematic representation of the present utility model;
Accompanying drawing 3 is structural representations of a kind of taper lock dog of the present utility model;
Accompanying drawing 4 is schematic top plan view of a kind of two taper lock dogs of combining of the present utility model.
Among the figure, cylinder 1, annular bayonet socket 11, spring 2, compressing member 3, taper lock dog 4, hoop cover 5, annular convex ring 51, cushion cover 6, body 7, nut 8, fixed body 9.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
As shown in Figure 2, New Elasticity Pre-stressing Organization, the foundation portion that comprises is fixed on the cylinder 1 on the fixed body 9, is with spring 2 on cylinder 1, and an end of spring 2 acts on the compressing member 3, and the other end acts on the end of cylinder 1.Cylinder 1 end is provided with an annular bayonet socket 11, and periphery, cylinder 1 end is provided with two taper lock dogs 4 that snap together.Here the taper lock dog 4 that is disposed is 2 at least, could guarantee that like this taper lock dog 4 can dismantle easily.As shown in Figure 3 and Figure 4, taper lock dog 4 is arranged in the annular bayonet socket 11, and the size of tapering is 13 degree.Be with a hoop cover 5 with conical cavity in the periphery of taper lock dog 4, hoop cover 5 peripheries are provided with an annular convex ring 51.The cross section semicircular in shape of taper lock dog 4, if plural taper lock dog 4, then its cross section is fan-shaped.One end of spring 2 acts on the annular convex ring 51 of hoop cover 5.
Be provided with a cushion cover 6 between cylinder 1 base portion and compressing member 3, be provided with a body 7 of being made by high-abrasive material between cushion cover 6 and the cylinder 1, the other end of spring 2 then acts on the cushion cover 6.The body here should adopt friction factor little, and good material is made to have self lubricity and wear resistance, so just need not the lubricant oil of annotating, and also can not cause lubricant pollution.For example, teflon.
During use, cylinder 1 is fixed on the fixed body 9, and cushion cover 6 and body 7 are located in the hole of compressing member 3.On cylinder 1, hoop cover 5 is enclosed within on the cylinder 1 and presses down the annular bayonet socket 11 that exposes cylinder 1 end with spring housing, taper lock dog 4 is stuck on the annular bayonet socket 11, and unclamps hoop cover 5, and hoop cover 5 is enclosed within on the taper lock dog 4.Utilize tapering with 4 lockings of taper lock dog.Because the intensity of spring is consistent, the compressed degree of spring also is consistent, so just can guarantee that the dynamics of each mechanism equates, has saved loaded down with trivial details adjustment process.
When needing dismounting or changing spring, only need with hoop cover 5 to make hoop cover 5 and taper lock dog 4 break away from that taking-up locking block 4 can be changed toward drop-down.If do not change the length of spring, also can realize the adjusting of pretightening force by changing cushion cover 6 or hoop cover 5 and taper lock dog 4.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as cylinder 1, annular bayonet socket 11, spring 2, compressing member 3, taper lock dog 4, hoop cover 5, annular convex ring 51, cushion cover 6, body 7, nut 8, fixed body 9 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. New Elasticity Pre-stressing Organization, comprise the cylinder (1) that a foundation portion is fixing, on cylinder (1), be with spring (2), one end of spring (2) acts on the compressing member (3), the other end acts on the end of cylinder (1), it is characterized in that described cylinder (1) periphery, end is provided with at least two taper lock dogs (4) that snap together, be with a hoop cover (5) with conical cavity in the periphery of taper lock dog (4), an end of described spring (2) acts on the hoop cover (5).
2. New Elasticity Pre-stressing Organization according to claim 1 is characterized in that being provided with a cushion cover (6) between described cylinder (1) base portion and the compressing member (3), and an end of described spring (2) acts on the cushion cover (6).
3. New Elasticity Pre-stressing Organization according to claim 2 is characterized in that being provided with a body of being made by high-abrasive material (7) between described cushion cover (6) and the cylinder (1).
4. according to claim 1 or 2 or 3 described New Elasticity Pre-stressing Organizations, it is characterized in that described cylinder (1) end is provided with an annular bayonet socket (11), described taper lock dog (4) is arranged in the annular bayonet socket (11).
5. according to claim 1 or 2 or 3 described New Elasticity Pre-stressing Organizations, it is characterized in that described hoop cover (5) periphery is provided with an annular convex ring (51), an end of described spring (2) acts on the annular convex ring (51).
6. New Elasticity Pre-stressing Organization according to claim 4 is characterized in that described hoop cover (5) periphery is provided with an annular convex ring (51), and an end of described spring (2) acts on the annular convex ring (51).
7. according to claim 1 or 2 or 3 described New Elasticity Pre-stressing Organizations, the tapering that it is characterized in that described taper lock dog (4) is 5～30 degree.
8. New Elasticity Pre-stressing Organization according to claim 4, the tapering that it is characterized in that described taper lock dog (4) are 5～30 degree.
9. according to claim 1 or 2 or 3 described New Elasticity Pre-stressing Organizations, it is characterized in that described cylinder (1) periphery, end is provided with two taper lock dogs (4) that snap together, the cross section semicircular in shape of described taper lock dog (4).
10. New Elasticity Pre-stressing Organization according to claim 4 is characterized in that described cylinder (1) periphery, end is provided with two taper lock dogs (4) that snap together, the cross section semicircular in shape of described taper lock dog (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620102031 CN2895840Y (en) | 2006-03-27 | 2006-03-27 | Novel elastic pretightening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620102031 CN2895840Y (en) | 2006-03-27 | 2006-03-27 | Novel elastic pretightening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2895840Y true CN2895840Y (en) | 2007-05-02 |
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ID=38065416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620102031 Expired - Fee Related CN2895840Y (en) | 2006-03-27 | 2006-03-27 | Novel elastic pretightening mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2895840Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840198A (en) * | 2011-10-28 | 2012-12-26 | 南通天华和睿科技创业有限公司 | Pre-tightening thread locking component |
| CN101767658B (en) * | 2008-12-30 | 2014-05-28 | 上海航天设备制造总厂 | Method for adjusting pretightening force of butterfly spring |
-
2006
- 2006-03-27 CN CN 200620102031 patent/CN2895840Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767658B (en) * | 2008-12-30 | 2014-05-28 | 上海航天设备制造总厂 | Method for adjusting pretightening force of butterfly spring |
| CN102840198A (en) * | 2011-10-28 | 2012-12-26 | 南通天华和睿科技创业有限公司 | Pre-tightening thread locking component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yiwu City Easy-to-Open Cap Industry Co. Assignor: Luo Libo Contract fulfillment period: 2008.9.1 to 2013.8.31 Contract record no.: 2008330001141 Denomination of utility model: Novel elastic pretightening mechanism Granted publication date: 20070502 License type: Exclusive license Record date: 20081017 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.1 TO 2013.8.31; CHANGE OF CONTRACT Name of requester: YIWU CITYN EASY-OPEN COVER INDUSTRIAL CO., LTD. Effective date: 20081017 |
|
| ASS | Succession or assignment of patent right |
Owner name: YIWU CITY EASY-TO-OPEN CAP INDUSTRY CO. Free format text: FORMER OWNER: LUO LIBO Effective date: 20111110 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111110 Address after: 322000, No. 711, Dan Xi Road, Yiwu, Zhejiang Patentee after: Yiwu City Easy-to-Open Cap Industry Co. Address before: 322000, No. 711, Dan Xi Road, Yiwu, Zhejiang Patentee before: Luo Libo |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070502 Termination date: 20150327 |
|
| EXPY | Termination of patent right or utility model |