CN204458778U - A kind of combination lock washer - Google Patents
A kind of combination lock washer Download PDFInfo
- Publication number
- CN204458778U CN204458778U CN201520122595.8U CN201520122595U CN204458778U CN 204458778 U CN204458778 U CN 204458778U CN 201520122595 U CN201520122595 U CN 201520122595U CN 204458778 U CN204458778 U CN 204458778U
- Authority
- CN
- China
- Prior art keywords
- lock washer
- wedge surface
- lining
- packing ring
- packing rings
- 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.)
- Ceased
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model provides a kind of combination lock washer, for preventing bolt looseness, described lock washer comprises two the identical packing rings being coaxially assembled into one, the two sides of each packing ring is respectively equipped with serrated face and wedge surface, the wedge surface of two packing rings matches with wedge surface and contacts, the through-hole wall of two packing ring is provided with the lining running through two packing rings, lining uses metal or nonmetallic material to be made, lining uses material to propose to select according to user, lock washer of the present utility model is when using for the first time and reuse, fitting operation is convenient, not by bolt material, the restriction of length, avoid gluing skidding to be separated to come off with two packing rings during dismounting, drop the phenomenons such as loss, anti-loosing effect is good, can repeatedly use.
Description
Technical field
The utility model relates to a kind of combination lock washer.
Background technique
Two packing rings that existing bolt generally adopts two chip architectures identical are locking, gasket construction is: one side arranges serrated face wherein, sawtooth is comparatively intensive, another side is arranged acclive wedge surface, the sawtooth of wedge surface is comparatively sparse, the face wherein cooperatively interacted is acclive wedge surface, two gasket sleeves of said structure are adopted to be contained in anti-loosing effect on bolt relatively good, the serrated face of one of them packing ring embeds the substrate surface be connected, the serrated face stud bolt head surface of another packing ring, serves good anti-loosing effect.When be rotated counterclockwise unclamp bolt time, after the wedge surface between two packing ring gets over a wedge surface, the bolt be mated can unclamp to be pulled down.
But when staff installs, because two packing rings are separated, must, by suitable for two packing ring wedge surfaces, install cumbersome again, especially when reusing, workman needs carefully to contrast attachment face and could install correctly.Current solution is glued together by two packing rings, during installation more for convenience, but the glue of coating is easy to the wedge surface having filled and led up intermediate tie, make to skid between latter two packing ring wedge surface of gluing, easily cause bolt looseness, in unloading process, easily there is single packing ring to come off loss simultaneously, cause and cannot reuse.
Model utility content
The purpose of this utility model is to solve the problem, and provide a kind of combination lock washer, anti-loosing effect is good, and easy for installation, is convenient to reuse, easy care.
In order to solve the problems of the technologies described above, the technical solution of the utility model is,
A kind of combination lock washer, for preventing bolt looseness, during use, lock washer is placed on bolt head lower position, bolt looseness is prevented after bolton, described lock washer comprises two the identical packing rings being coaxially assembled into one, the two sides of each packing ring is respectively equipped with serrated face and wedge surface, and the wedge surface of two packing rings matches close contact, and the through-hole wall of two packing rings is provided with the lining running through two packing rings.The lead angle angle being greater than bolt by the gradient angle of inclination of wedge surface stops bolt looseness.
Further, described lining is connected with precision-fit between through-hole wall.The two ends of described lining are provided with flanging, make the external diameter of bush end face position be greater than the external diameter of lining intermediate portion, stop two packing rings to depart from.
Further, described lining can, according to user's request, use metallic material or nonmetallic material to make.Further, the endoporus of described pair of packing ring is provided with chamfering in aperture, serrated face one end.After through hole put into by lining, rely on bush end face place external diameter to be greater than packing ring diameter of bore and stop that packing ring comes off, thus two washer sets are become to be integrated.
Further, the length of described lining is less than the total length of bonded washer.
Further, described wedge surface and serrated face are tilt relative to the transverse section of packing ring, and wedge surface and serrated face are all covered with the ring surface of whole packing ring, and close-packed arrays is arranged, and forms the surface of contact that height rises and falls.Difference is, two packing ring wedge surface angle correspondences together after, wedge surface angle is greater than the lead angle of corresponding bolt specification, stop bolt looseness.Serrated face is comparatively intensive, inlays for being formed with substrate surface and bolt head surface.
The utility model compared with prior art has the following advantages and good effect:
1, the two packing rings be combined into one, do not re-use adhesive glue water, can repeatedly use, and fitting operation is convenient.
2, bonded washer adopts bush drop-preventing from structure, avoids gluing skidding, and when preventing dismounting, single packing ring comes off loss, provides better anti-loosing effect.
3, this bonded washer is not by the restriction of bolt material, length, as long as reserved the specification size of bolt, namely can be mass processing.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of combination lock washer specific embodiment described in the utility model;
Fig. 2 is the Facad structure schematic diagram of described combination lock washer specific embodiment;
Fig. 3 is the serrated face side structural representation of a wherein packing ring;
Fig. 4 is the wedge surface side structural representation of packing ring shown in Fig. 3;
Fig. 5 is the front view of packing ring shown in Fig. 3;
Fig. 6 is bush structure schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to shown in Fig. 1-2, this embodiment is a kind of combination lock washer, be installed on below bolt head or nut, for preventing bolt looseness, comprise packing ring 1 and packing ring 2, two packing rings are coaxially assembled into one, and the through-hole wall of two packing ring is provided with the lining 3 running through two packing rings, and lining 3 prevents two single packing rings from departing from.
Packing ring 1 is identical with packing ring 2 structure, the two sides structure of packing ring 1 as in Figure 3-5, and wherein one side is serrated face 1-1, another side is wedge surface 1-2, same, and the wherein one side of packing ring 2 is serrated face 2-1, another side is wedge surface 2-2, and wedge surface 1-2 and the 2-2 of two packing rings matches close contact.
Now only illustrate that the structure of packing ring 1 is described, the structure of packing ring 2 is identical with it.Wedge surface 1-2 and serrated face 1-1 is tilt relative to the transverse section of packing ring 1, all tilt to a direction, and wedge surface 1-2 and serrated face 1-1 is all covered with on the ring surface of whole packing ring, wedge surface 1-2 is with certain angle of inclination, and serrated face 1-1 is zigzag outer contacting face.Wedge surface 1-2 is the fitting surface of two packing rings, and the serrated face of bonded washer two outer surface is comparatively intensive, inlays for being formed with substrate surface and bolt head or nut head lower surface.
Wedge surface and serrated face are all be close to setting, form the surface of contact that height rises and falls.Wedge surface is equivalent to sparse serrated face, and wedge surface is the fitting surface of two packing rings, and the serrated face at bonded washer two ends is comparatively intensive, for locking.
As shown in Figure 6, the two ends of lining 3 are provided with flanging 3-1, make the external diameter of lining 3 endface position be greater than the external diameter of lining intermediate portion, stop two packing rings to depart from.
Precision-fit between lining 3 outer wall and the through-hole wall of bonded washer, rely on bush end face position external diameter to be greater than lining intermediate portion outside dimension and depart to stop two panels packing ring, lining 3 is adopted made of plastic.Adopt lining 3 two washer combinations to be integrated, prevent two packing rings to be separated, conveniently repeatedly repeat to install and use.Lining 3 also can adopt other nonmetallic material or metallic material to make.
As further improvement of this embodiment, in order to increase the stability of packing ring anti-loosing effect, the convenience of installation and reusability.The through-hole wall of packing ring 1 closes on serrated face 1-1 one end and is provided with chamfering 1-3, the through-hole wall of packing ring 2 closes on serrated face 2-1 one end and is provided with chamfering (not shown on figure), after two packing rings are assembled together, two chamfering positions away from, be namely equivalent to arrange chamfering respectively at the through-hole wall two ends of two packing ring.Washer chamfer contacts with lining flanging 3-1.The separation of packing ring 1,2 when dismantling comes off to rely on the flanging 3-1 of lining 3 to stop.The length of lining 3 is lower than packing ring 1 simultaneously, and the total thickness of 2, does not contact bolt (nut) end face and substrate surface at bolt tightening back bush 3 like this, do not affect bolt pretightening.Meanwhile, chamfering is provided with at aperture, the both sides place of lining 3.This chamfering prevents the R angle making screw root and bolt head contact position during bolt pretightening from occurring hard contact.
Lining 3 uses comparatively flexible material to make, and decreases in screwing process the rigid friction that can not produce between packing ring inwall and bolt shank, improves the accuracy of pretightening force.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (6)
1. a combination lock washer, for preventing bolt looseness, it is characterized in that: described lock washer comprises two the identical packing rings being coaxially assembled into one, the two sides of each packing ring is respectively equipped with serrated face and wedge surface, the wedge surface of two packing rings matches contact, and the through-hole wall of two packing rings is provided with the lining running through two packing rings.
2. combine lock washer according to claim 1, it is characterized in that: be connected between described lining and through-hole wall, the two ends of described lining are provided with flanging.
3. combine lock washer according to claim 1, it is characterized in that: described lining adopts metal or nonmetallic material to make.
4. combine lock washer according to claim 1, it is characterized in that: the endoporus of described two packing rings is provided with chamfering at aperture place, serrated face one end.
5. combine lock washer according to claim 4, it is characterized in that: the length of described lining is less than the total thickness of combination lock washer.
6. combine lock washer according to claim 1, it is characterized in that: described wedge surface and serrated face are tilt relative to the transverse section of packing ring, and wedge surface and serrated face are all covered with the ring surface of whole packing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520122595.8U CN204458778U (en) | 2015-03-03 | 2015-03-03 | A kind of combination lock washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520122595.8U CN204458778U (en) | 2015-03-03 | 2015-03-03 | A kind of combination lock washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458778U true CN204458778U (en) | 2015-07-08 |
Family
ID=53665669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520122595.8U Ceased CN204458778U (en) | 2015-03-03 | 2015-03-03 | A kind of combination lock washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458778U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321602A (en) * | 2016-07-07 | 2017-01-11 | 中国第汽车股份有限公司 | Lock washer |
| CN108374829A (en) * | 2018-05-08 | 2018-08-07 | 苏州征之魂专利技术服务有限公司 | A kind of composite material punching press gasket |
| CN108612731A (en) * | 2018-05-08 | 2018-10-02 | 苏州征之魂专利技术服务有限公司 | A kind of Composition spacer stamping material structure |
-
2015
- 2015-03-03 CN CN201520122595.8U patent/CN204458778U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321602A (en) * | 2016-07-07 | 2017-01-11 | 中国第汽车股份有限公司 | Lock washer |
| CN108374829A (en) * | 2018-05-08 | 2018-08-07 | 苏州征之魂专利技术服务有限公司 | A kind of composite material punching press gasket |
| CN108612731A (en) * | 2018-05-08 | 2018-10-02 | 苏州征之魂专利技术服务有限公司 | A kind of Composition spacer stamping material structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180303 |
|
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20180612 Decision number of declaring invalidation: 36223 Granted publication date: 20150708 |