CN201517547U

CN201517547U - Bolt protection case

Info

Publication number: CN201517547U
Application number: CN200920029993XU
Authority: CN
Inventors: 姜考成
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-18
Filing date: 2009-07-18
Publication date: 2010-06-30
Anticipated expiration: 2019-07-18

Abstract

The utility model discloses a bolt protection case, belonging to the fastener design use technical field. The bolt protection case is composed of a cavity formed by a case of tubular structure and the special features are that: the bolt protection case comprises a structure capable of increasing the friction force of the outer wall of the case, and the cavity is a male tab shaped structure mated with the bolt exposure size structure and a locking structure is arranged on the inner wall of the case at the upper part of the shoulder and an automatic positioning structure is arranged on the inner wall of the case at the lower part of the shoulder. The bolt protection case has features of simple structure, convenient operation, hard to break off, integrated protection and the protection cases of different structure forms are provided based on different environments and use conditions to prolong the service life of the bolt.

Description

A kind of bolt protecting jacket

Technical field

The utility model relates to anchor design operation technique field, relates in particular to the bolt protecting jacket in a kind of bolt using process.

Background technique

Be accompanied by putting into operation of every Infrastructure such as railway, mine, harbour, electric power, expressway, urban construction, brought into play irreplaceable effect as the bolt of fastening piece.Along with the expansion gradually of using scope, usage quantity is more and more, and various Environmental Conditions and condition impel maintenance cost also more and more higher.How to reduce maintenance expenses, reduce the maintenance rate that produces because of corrosion, improve the working life of bolt, this has been the problem of those skilled in the art of the present technique's common concern.Someone once had the bolt material component content now with changing, or existing bolt was carried out the surface-treated method solve this technical problem, and it is finally applied is not too desirable.This is those skilled in the art of the present technique's habitual practice for the way of smearing anti-corrosive grease, ointment in the exposed part of bolt.Contact with related substance and take blocked method to completely cut off the bolt exposed part, reduce the damage that corrosion produces, with the working life of improving bolt also be a kind of way.Wherein the patent No. of China national Department of Intellectual Property notice of authorization is: No. 200820053394.7 the disclosed technological scheme of utility model patent is exactly an example, this technological scheme selects for use the scheme of tubular cover directly to be sleeved on exposed bolt part, it is that suit is imperfect that this technological scheme itself exists one, the 2nd, and the caducous technological deficiency of simple suit.Use the technological scheme of what structure on earth, what material to make the product of this technological scheme, be still the problem of those skilled in the art of the present technique's research by.

Summary of the invention

Goal of the invention of the present utility model is to improve disadvantages of background technology; and provide a kind of simple in structure, difficult drop-off, protection complete, easy to operate; the protecting jacket of different structure form can be provided according to varying environment and service condition, prevent corrosion, prolong the bolt bolt protecting jacket in working life.

Foregoing invention purpose of the present utility model is achieved by implementing following technological scheme; a kind of bolt protecting jacket; it is that the cavity that the body by tubular structure forms is constituted; its special way is that described bolt protecting jacket comprises the structure that the body outer wall is provided with increases the frictional force function; cavity is boss shape structure for what be complementary with the exposed dimensional structure of bolt; the body inwall on its convex shoulder top is provided with locking mechanism, and the body inwall of convex shoulder bottom is provided with position structure voluntarily.

For further realizing foregoing invention purpose of the present utility model, preferred scheme is in the above-mentioned described technological scheme: above-mentioned described body external shape is frustoconic shape, cylindrical shape, boss shape or terrace with edge shape.The structure that increases the frictional force function on the above-mentioned described body outer wall is that outer wall is arranged to many prismatics, or the surface of outer wall is provided with longitudinal stripe, ripple or decorative pattern.The locking mechanism on above-mentioned described cavity convex shoulder top for be threaded, back taper is pegged graft, ripple is pegged graft or the longitudinal stripe socket.The position structure voluntarily of above-mentioned described cavity convex shoulder bottom is that the bottom body inwall of convex shoulder becomes circle hole shape, interior hexagon or interior dodecagon.The port of above-mentioned described cavity convex shoulder bottom body inwall is provided with an angle of deflection.

The utility model is compared with background technique has following positive effect and outstanding characteristics: the technological scheme that first the utility model is adopted is to be provided with locking mechanism on the body inwall on convex shoulder top, the bolt protecting jacket directly can be fastened on whole exposed bolt surface, the body inwall of convex shoulder bottom is provided with position structure voluntarily, the direct locate mode of bolt protecting jacket tightly is enclosed within on the outer surface circumference of nut, in conjunction with firm, difficult drop-off, not only overcome the caducous technological deficiency that exists in the background technique, but also suit whole exposed part reach the protection complete minimizing corrosion effect, this compares than background technique has positive progress and effect; It two is in the technical solution of the utility model body outer wall to be provided with the structure that increases the frictional force function, its purpose is exactly to overcome body outer wall smooth in the background technique, in installing and keeping in repair, because of producing to send out inadequately, frictional force slides, easier cunning when there is water on its surface particularly, cause work progress to waste time and energy, this compares the outstanding characteristics simple in structure, more convenient to operate that truly have with background technique; It three is that the utility model is taked according to different service condition requirements; select the bolt protecting jacket technological scheme of different structure to satisfy its usability; as different Environmental Conditions such as railway, harbour, sea, electric power; bolt protecting jacket described in the utility model all different from material, structure, mounting type; more help protecting bolt; the characteristics that prolong its working life, this compares with background technique and truly has outstanding substantive distinguishing features and progress.

Description of drawings

The structure of a kind of bolt protecting jacket of the utility model is provided by following accompanying drawing.

Fig. 1 is a structural representation of a kind of bolt protecting jacket of the utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is another structural representation of a kind of bolt protecting jacket of the utility model.

Fig. 4 is the A-A sectional view of Fig. 3.

Fig. 5 is a structural representation again of a kind of bolt protecting jacket of the utility model.

Fig. 6 is the A-A sectional view of Fig. 5.

Fig. 7 is a structural representation again of a kind of bolt protecting jacket of the utility model.

Fig. 8 is the A-A sectional view of Fig. 7.

Wherein description of reference numerals is: body inwall 4-convex shoulder 5-convex shoulder bottom, 1-body 2-body outer wall 3-convex shoulder top body inwall 6-cavity 7-angle of deflection

Embodiment

Describe the specific structural details of a kind of bolt protecting jacket of the utility model in detail and install and use process below in conjunction with accompanying drawing.

Embodiment 1, a kind of bolt protecting jacket (referring to accompanying drawing 1, accompanying drawing 2), and it is to protect to be satisfied with the bolt and nut exposed part that track uses, and with anti-corrosion, improves its working life and be precondition.The external shape of the body 1 of present embodiment is on the basis of frustoconic shape structural design, the surface of its body outer wall 2 can be provided with at least 6 faceted pebbles, and constitute many terrace with edges structure, the structural feature that cavity 6 is complementary for the physical dimension that is applicable to railway bolt and nut exposed part, be the boss shape, the top body inwall 3 of convex shoulder 4 is a screw connection structure, its Dimensions and rail bolt are measure-alike, the bottom body inwall 5 of convex shoulder 4 is the circular port structure, and its aperture size and rail nut diameter dimension are complementary.The bolt protecting jacket of present embodiment is to adopt black engineering plastics single injection-molded, more than constitutes a static structure of a kind of bolt protecting jacket of the utility model.

Embodiment 2; a kind of bolt protecting jacket (referring to accompanying drawing 3, accompanying drawing 4); it is with harbour service (particularly harbour) equipment, protects with bolt, the nut exposed part of uses such as sludge drainage pipe connection as crane, dredging works, and causing damage with anti-corrosion is that prerequisite designs.The body 1 usefulness rubber material of present embodiment processes; its external shape is columnar structured; the surface of body outer wall 2 is provided with longitudinal stripe; cavity 6 is complementary with the physical dimension of used bolt and nut exposed part; be the boss shape; the top body inwall 3 of convex shoulder 4 is a back taper formula structure; the projection of its back taper formula can be sleeved on the surface of bolt and play fixing function; the bottom body inwall 5 of convex shoulder 4 is interior hexagonal structure; the external diameter of its size and nut is complementary; generally slightly smaller; so that utilize the tension of rubber material that the described bolt protecting jacket of present embodiment location is also combined with the bolt and nut that exposes securely; prevent because of sea wind; seawater is given bolt; the serious corrosion that nut brings is to improve its working life.More than constitute another static structure of a kind of bolt protecting jacket of the utility model.

Embodiment 3, a kind of bolt protecting jacket (referring to accompanying drawing 5, accompanying drawing 6), and it designs its exposed part protection with the bolt and nut that urban public utilities (as street lamp, electric wire, road sign, guardrail etc.) use.The body 1 of present embodiment is that to adopt high pressure polyethylene plastic to mix not homochromy mother injection molded, look mother's color is to reach the requirement that is suitable for different facility colors, the external shape of body 1 is the boss shape, the bottom body outer wall 2 of its convex shoulder 4 has decorative pattern, to increase the frictional force function of outer surface.Cavity 6 is complementary with the physical dimension of used bolt and nut exposed part, is the boss shape, and the top body inwall 3 of convex shoulder 4 is a circle hole shape, is processed with a plurality of ripples on the wall of its circle hole shape, and fixing function is played on the surface that its corrugated projection can be sleeved on bolt.The bottom body inwall 5 of convex shoulder 4 is interior 12 corner structures, and the external diameter of its size and nut is complementary.Can securely be sleeved on purpose on bolt, the nut to reach protecting jacket.More than constitute a static structure again of a kind of bolt protecting jacket of the utility model.

Embodiment 4, a kind of bolt protecting jacket (referring to accompanying drawing 7, accompanying drawing 8), and it is to protect to prerequisite with the bolt and nut that the connection of power department high-voltage power-line is used to design.The body 1 of present embodiment is to adopt silica gel material ageing-resistant, anti-bursting by freezing to process.The external shape of body 1 is the frustoconic shape structure, and the surface of body outer wall 2 can be provided with longitudinal stripe, also can not establish longitudinal stripe because of the silica gel material sassafras coefficient height that rubs itself.Cavity 6 is complementary with the physical dimension of the bolt and nut of protecting, and is the boss shape, and the top body inwall 3 of convex shoulder 4 is a circle hole shape, is processed with longitudinal stripe on the wall of its circle hole shape, and its longitudinal stripe is fixed with screwing in the bolt thread surface.The bottom body inwall 5 of convex shoulder 4 is a circle hole shape, and its size is littler than nut diameter, so that utilize the tension of silica gel that itself and nut, bolt are combined as a whole securely.The lower end mouth of cavity 6 has a chamfering as angle of deflection 7.More than constitute a static structure again of a kind of bolt protecting jacket of the utility model.

When described bolt protecting jacket of the present utility model comes into operation; no matter the bolt protecting jacket of the sort of structure of putting down in writing among the embodiment all should be coated with its cavity 6 and spread anti-corrosive grease; directly socket or screw-in connection all can be fixedly mounted on bolt, the nut; the bolt of being protected, nut all separate with the former material that contacts afterwards; reach and exempt to allow bolt and nut weather to get rusty; thereby improved the working life of the bolt and nut of protection, reduced maintenance expenses.

Claims

1. bolt protecting jacket; it is that the cavity that the body by tubular structure forms is constituted; it is characterized in that described bolt protecting jacket comprises the structure that the body outer wall is provided with increases the frictional force function; cavity is boss shape structure for what be complementary with the exposed dimensional structure of bolt; the body inwall on convex shoulder top is provided with locking mechanism, and the body inwall of convex shoulder bottom is provided with position structure voluntarily.

2. bolt protecting jacket according to claim 1 is characterized in that described body external shape is frustoconic shape, cylindrical shape, boss shape or terrace with edge shape.

3. bolt protecting jacket according to claim 1 and 2 it is characterized in that the structure of increase frictional force function on the described body outer wall is that outer wall is arranged to many prismatics, or the surface of outer wall is provided with longitudinal stripe, ripple or decorative pattern.

4. bolt protecting jacket according to claim 1, the locking mechanism that it is characterized in that described cavity convex shoulder top for be threaded, back taper is pegged graft, ripple is pegged graft or the longitudinal stripe socket.

5. bolt protecting jacket according to claim 1, the position structure voluntarily that it is characterized in that described cavity convex shoulder bottom are that the bottom body inwall of convex shoulder becomes circle hole shape, interior hexagon or interior dodecagon.

6. bolt protecting jacket according to claim 1 or 5 is characterized in that the port of described cavity convex shoulder bottom body inwall is provided with an angle of deflection.