CN203847542U - Bolt cover - Google Patents
Bolt cover Download PDFInfo
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- CN203847542U CN203847542U CN201420275288.9U CN201420275288U CN203847542U CN 203847542 U CN203847542 U CN 203847542U CN 201420275288 U CN201420275288 U CN 201420275288U CN 203847542 U CN203847542 U CN 203847542U
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- Prior art keywords
- bolt
- bolt cover
- cavity
- shell
- inlay
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- 238000005260 corrosion Methods 0.000 claims description 18
- 239000004519 grease Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 description 17
- 239000007924 injection Substances 0.000 description 17
- 238000007789 sealing Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及罩子，尤其涉及螺栓罩。The utility model relates to a cover, in particular to a bolt cover.
背景技术Background technique
螺栓是一种常用的紧固件，在各种领域都有广泛的应用。螺栓在紧固物体之后，其螺母和从螺母中伸出的螺纹杆常常暴露在空气中，暴露的螺母和螺纹杆容易受到腐蚀而生锈，特别是在露天的场合。例如在风力发电机组中，风力发电机塔架底部的法兰一般通过螺栓与塔架基础固定，随着风力发电机组的日益大型化，其采用的螺栓常常呈内外两圈分布，其中位于外圈的螺栓位于塔架的外部，容易受到雨雪的侵蚀，常常有锈蚀的情况发生，威胁着风力发电机组的安全。为了保护裸露的螺母和螺纹杆，现有技术一般在其外部罩上防护罩，防护罩一般采用塑料材质制作，通过卡扣或者塑料螺纹孔与螺栓连接。Bolt is a commonly used fastener and has a wide range of applications in various fields. After the bolt is fastened to an object, its nut and the threaded rod protruding from the nut are often exposed to the air, and the exposed nut and threaded rod are easily corroded and rusted, especially in the open air. For example, in wind turbines, the flange at the bottom of the wind turbine tower is generally fixed to the tower foundation through bolts. With the increasing size of wind turbines, the bolts used are often distributed in two circles inside and outside. The bolts located on the outside of the tower are easily corroded by rain and snow, and often rust, which threatens the safety of the wind turbine. In order to protect the exposed nuts and threaded rods, in the prior art, a protective cover is generally placed on the outside thereof, and the protective cover is generally made of plastic material, and is connected with a bolt through a buckle or a plastic threaded hole.
在实现上述技术方案的过程中，发明人发现现有技术中至少存在如下问题：In the process of realizing the above technical solution, the inventor found that at least the following problems existed in the prior art:
1、采用卡扣固定方式进行固定的防护罩，其受到外力时容易脱落，并不能形成牢靠的固定连接，影响其工作的可靠性。1. The protective cover fixed by buckle is easy to fall off when it is subjected to external force, and cannot form a firm fixed connection, which affects the reliability of its work.
2、采用塑料螺纹孔进行连接的防护罩，其螺纹的性能较差，塑料螺纹在旋紧时容易被破坏，也导致其不能可靠地连接在螺栓上。2. The performance of the thread of the protective cover connected by plastic threaded holes is poor, and the plastic thread is easily damaged when tightened, which also causes it to be unable to be reliably connected to the bolt.
实用新型内容Utility model content
本实用新型目的在于提供一种固定更可靠的螺栓罩。The purpose of the utility model is to provide a bolt cover with more reliable fixing.
为了实现上述目的，本实用新型提供了一种螺栓罩，其包括外壳，在所述外壳中嵌有金属材质的内嵌体，在所述内嵌体中设有螺纹孔，在所述外壳的下端设有下端开口的第一腔体，所述第一腔体位于所述内嵌体的下方并与所述螺纹孔连通，所述第一腔体的截面积大于所述螺纹孔的截面积。In order to achieve the above object, the utility model provides a bolt cover, which includes a shell, and an inlay of metal material is embedded in the shell, and a threaded hole is provided in the inlay. The lower end is provided with a first cavity with a lower end opening, the first cavity is located below the inlay and communicates with the threaded hole, the cross-sectional area of the first cavity is larger than the cross-sectional area of the threaded hole .
本实用新型提供的螺栓罩，其中在所述外壳中还可以设有第二腔体，所述第二腔体位于所述内嵌体的上方并与所述螺纹孔连通，所述第二腔体的截面积大于或等于所述螺纹孔的截面积。In the bolt cover provided by the utility model, a second cavity can also be provided in the shell, the second cavity is located above the inlay and communicates with the threaded hole, the second cavity The cross-sectional area of the body is greater than or equal to the cross-sectional area of the threaded hole.
本实用新型提供的螺栓罩，其中在所述外壳上可以设有注油孔，所述注油孔与所述第二腔体连通。In the bolt cover provided by the utility model, an oil injection hole may be provided on the casing, and the oil injection hole communicates with the second cavity.
本实用新型提供的螺栓罩，其中所述内嵌体可以为螺母或内螺纹钢管。In the bolt cover provided by the utility model, the inlay body can be a nut or a steel pipe with internal threads.
本实用新型提供的螺栓罩，其中所述内嵌体可以为内螺纹钢管，在所述内螺纹钢管上设有穿孔，在所述外壳上设有注油孔，所述注油孔与所述穿孔连通。In the bolt cover provided by the utility model, the inlay can be an internally threaded steel pipe, and a perforation is provided on the internally threaded steel pipe, and an oil injection hole is provided on the outer casing, and the oil injection hole communicates with the perforation .
本实用新型提供的螺栓罩，其中所述外壳可以封堵所述内螺纹钢管的上端。In the bolt cover provided by the utility model, the outer casing can block the upper end of the internal threaded steel pipe.
本实用新型提供的螺栓罩，其中在所述外壳的下端面上可以设有密封元件。In the bolt cover provided by the utility model, a sealing element may be arranged on the lower end surface of the housing.
本实用新型提供的螺栓罩，其中所述密封元件可以为密封垫圈、密封胶或者磁性元件。In the bolt cover provided by the utility model, the sealing element can be a sealing washer, a sealant or a magnetic element.
本实用新型提供的螺栓罩，其中所述外壳的材质可以为塑料。In the bolt cover provided by the utility model, the material of the shell can be plastic.
本实用新型提供的螺栓罩，其中在所述第二腔体内可以设有防腐蚀油脂。In the bolt cover provided by the utility model, anti-corrosion grease can be provided in the second cavity.
本实用新型提供的螺栓罩，其中在所述注油孔中可以填充有防腐蚀油脂。In the bolt cover provided by the utility model, the oil injection hole can be filled with anti-corrosion grease.
本实用新型提供的上述技术方案的主要有益效果在于，本实用新型提供的螺栓罩通过金属材质的内嵌体中的螺纹孔与螺栓的从螺栓螺母中伸出的螺纹杆连接，金属材质的螺纹可以可靠地将内嵌体及嵌有内嵌体的外壳固定，保证本实用新型提供的螺栓罩与螺栓连接的可靠性。在使用本实用新型提供的螺栓罩时，可以将本实用新型提供的螺栓罩罩在螺栓的裸露端，使螺栓的螺纹杆经第一腔体后旋入螺纹孔中，之后旋紧本实用新型提供的螺栓罩，螺栓的螺母便被容纳在第一腔体中，外壳的端部也与螺栓周围的物体壁面贴合，从而对螺栓进行保护。The main beneficial effect of the above technical solution provided by the utility model is that the bolt cover provided by the utility model is connected with the threaded rod protruding from the bolt nut of the bolt through the threaded hole in the inlay body made of metal material, and the screw thread of the metal material The inlay and the shell embedded with the inlay can be reliably fixed, ensuring the reliability of the connection between the bolt cover and the bolt provided by the utility model. When using the bolt cover provided by the utility model, the bolt cover provided by the utility model can be covered on the exposed end of the bolt, so that the threaded rod of the bolt is screwed into the threaded hole after passing through the first cavity, and then tightened by the utility model With the provided bolt cover, the nuts of the bolts are accommodated in the first cavity, and the end of the casing is also attached to the wall surface of the object around the bolts, thereby protecting the bolts.
附图说明Description of drawings
图1为本实用新型实施例一的螺栓罩的结构示意图；Fig. 1 is a schematic structural view of a bolt cover according to Embodiment 1 of the present invention;
图2为本实用新型实施例二的螺栓罩的结构示意图；Fig. 2 is a schematic structural view of the bolt cover of the second embodiment of the utility model;
图3为本实用新型实施例三的螺栓罩的结构示意图。Fig. 3 is a schematic structural diagram of a bolt cover according to Embodiment 3 of the present invention.
附图标号说明：Explanation of reference numbers:
1-外壳；11-第一腔体；12-注油孔；13-第二腔体；2-内嵌体；21-螺纹孔；22-穿孔；3-密封元件。1-shell; 11-first cavity; 12-oil injection hole; 13-second cavity; 2-inlay; 21-threaded hole; 22-perforation; 3-sealing element.
具体实施方式Detailed ways
下面结合附图对本实用新型实施例的螺栓罩进行详细描述。The bolt cover of the embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings.
实施例一Embodiment one
如图1所示，其为本实用新型实施例一的螺栓罩的结构示意图，本实施例的螺栓罩，其包括外壳1，在外壳1中嵌有金属材质的内嵌体2，在内嵌体2中设有螺纹孔21，在外壳1的下端设有下端开口的第一腔体11，第一腔体11位于内嵌体2的下方并与螺纹孔21连通，第一腔体11的截面积大于螺纹孔21的截面积。As shown in Figure 1, it is a schematic structural diagram of the bolt cover of the first embodiment of the present invention. The bolt cover of this embodiment includes a shell 1, and an inlay 2 of metal material is embedded in the shell 1. The body 2 is provided with a threaded hole 21, and the lower end of the shell 1 is provided with a first cavity 11 with a lower end opening. The first cavity 11 is located below the inlay body 2 and communicates with the threaded hole 21. The first cavity 11 The cross-sectional area is larger than that of the threaded hole 21 .
本实施例的螺栓罩通过金属材质的内嵌体2中的螺纹孔21与伸出螺栓螺母的螺纹杆连接，金属材质的螺纹可以可靠地将内嵌体2及嵌有内嵌体2的外壳1固定，保证本实施例的螺栓罩与螺栓连接的可靠性。在使用本实施例的螺栓罩时，可以将本实施例的螺栓罩罩在螺栓的裸露端，使螺栓的螺纹杆经第一腔体11后旋入螺纹孔21中，之后旋紧本实施例的螺栓罩，螺栓的螺母便被容纳在第一腔体11中，外壳1的端部也与螺栓周围的物体壁面贴合，从而对螺栓进行保护。优选地，第一腔体11的截面积大于内嵌体2的截面积。The bolt cover of this embodiment is connected with the threaded rod protruding from the bolt nut through the threaded hole 21 in the inlay body 2 made of metal material, and the thread made of metal material can reliably connect the inlay body 2 and the shell embedded with the inlay body 2 1 is fixed to ensure the reliability of the bolt cover and bolt connection of this embodiment. When using the bolt cover of this embodiment, the bolt cover of this embodiment can be covered on the exposed end of the bolt, so that the threaded rod of the bolt is screwed into the threaded hole 21 after passing through the first cavity 11, and then tightened in this embodiment The bolt cover, the nut of the bolt is accommodated in the first cavity 11, and the end of the shell 1 is also attached to the wall surface of the object around the bolt, so as to protect the bolt. Preferably, the cross-sectional area of the first cavity 11 is larger than that of the inlay body 2 .
优选地，在螺纹孔21和第一腔体11内可以设有防腐蚀油脂。防腐蚀油脂可对螺栓进行防腐保护，使用者可以在旋上本实施例的螺栓罩之前将防腐蚀油脂涂抹在螺栓上。Preferably, anti-corrosion grease can be provided in the threaded hole 21 and the first cavity 11 . The anti-corrosion grease can protect the bolts from corrosion, and the user can apply the anti-corrosion grease on the bolts before screwing on the bolt cover of this embodiment.
外壳1的材质可以为金属或木材。优选地，外壳1的材质可以为塑料。采用塑料材质的外壳不易被腐蚀，加工工艺也较为简单，成本较低，可以采用注塑工艺使内嵌体2在外壳1成型时便嵌在外壳1中，减少了螺栓罩的制造难度。优选地，外壳1的材质可以为聚已二酰己二胺(即尼龙66树脂)。The material of the shell 1 can be metal or wood. Preferably, the material of the housing 1 can be plastic. The shell made of plastic is not easy to be corroded, the processing technology is relatively simple, and the cost is low. The injection molding process can be used to make the inlay 2 embedded in the shell 1 when the shell 1 is formed, which reduces the difficulty of manufacturing the bolt cover. Preferably, the material of the housing 1 can be polyhexamethylene adipamide (namely nylon 66 resin).
内嵌体2的截面形状可以为圆形、方形、多边形等。如图1所示，优选地，内嵌体2可以为内螺纹钢管。这种结构适用于螺栓的螺纹杆从螺栓螺母中伸出较长距离的情况。特别是在风力发电机组的预应力混凝土基础中，由于预应力混凝土基础中的锚栓要进行预应力张拉，锚栓的有一段较长的螺纹杆从螺母中伸出，内螺纹钢管可与螺纹杆有较长的螺纹配合，使连接更稳固。The cross-sectional shape of the inlay 2 can be circular, square, polygonal, etc. As shown in FIG. 1 , preferably, the inlay body 2 may be an internally threaded steel pipe. This structure is suitable for situations where the threaded shank of the bolt protrudes a long distance from the bolt nut. Especially in the prestressed concrete foundation of the wind power generating set, because the anchor bolt in the prestressed concrete foundation needs to be prestressed and stretched, a long threaded rod of the anchor bolt protrudes from the nut, and the inner threaded steel pipe can be used with The threaded rod has a longer thread fit for a more secure connection.
外壳1的外壁可以为无孔结构，在需要保养维护螺栓时，可以将本实施例的螺栓罩从螺栓上旋下，在螺纹孔21和第一腔体11内或者螺栓上补充涂抹防腐蚀油脂，之后再将本实施例的螺栓罩重新旋上。进一步地，如图1所示，在内螺纹钢管上可以设有穿孔22，在外壳1上可以设有注油孔12，注油孔12与穿孔22连通。在螺栓服役期间，使用者可以根据需要从注油孔12中经穿孔22向内螺纹钢管内补充防腐蚀油脂，以便于在不拆卸本实施例的螺栓罩的条件下对螺栓进行保养维护，提高工作效率，而且内螺纹钢管与螺栓紧密的配合连接能够减小外壳1中零部件的间隙空间从而减少防腐蚀油脂的用量而避免浪费。进一步地，外壳1可以封堵内螺纹钢管的上端，这样可以进一步减少外壳1与内螺纹钢管的上端之间的间隙空间从而减少防腐蚀油脂的用量而避免浪费。The outer wall of the housing 1 can be a non-porous structure. When the bolts need to be maintained, the bolt cover of this embodiment can be unscrewed from the bolts, and anti-corrosion grease can be applied in the threaded holes 21 and the first cavity 11 or on the bolts. , and then the bolt cover of the present embodiment is re-screwed. Further, as shown in FIG. 1 , a perforation 22 may be provided on the internally threaded steel pipe, and an oil injection hole 12 may be provided on the casing 1 , and the oil injection hole 12 communicates with the perforation 22 . During the service period of the bolt, the user can replenish the anti-corrosion grease from the oil hole 12 through the perforation 22 to the internal threaded steel pipe as required, so as to maintain the bolt without disassembling the bolt cover of this embodiment, and improve the working efficiency. Efficiency, and the tight fitting connection between the internal threaded steel pipe and the bolt can reduce the clearance space of the components in the housing 1, thereby reducing the amount of anti-corrosion grease and avoiding waste. Further, the shell 1 can block the upper end of the internally threaded steel pipe, which can further reduce the gap space between the shell 1 and the upper end of the internally threaded steel pipe, thereby reducing the amount of anti-corrosion grease and avoiding waste.
优选地，可以在注油孔12中填充防腐蚀油脂，这样防腐蚀油脂可以对注油孔12起到一定的封堵作用，防止少量雨水从注油孔12内进入。Preferably, anti-corrosion grease can be filled in the oil injection hole 12 , so that the anti-corrosion grease can block the oil injection hole 12 to a certain extent and prevent a small amount of rainwater from entering the oil injection hole 12 .
进一步地，在外壳1的下端面上可以设有密封元件3。使用者在旋紧本实施例的螺栓罩时，外壳1的端部可以挤压密封元件3，使密封元件3与螺栓周围的物体壁面紧贴，从而对第一腔体11的开口端进行密封，防止防腐蚀油脂的流失和雨水的进入。密封元件3可以采用密封胶或者密封垫圈，密封垫圈的材质可以选用橡胶，密封元件3还可以采用磁性元件，这适用于螺栓所固定的物体为钢等磁吸附材料的情形，磁性元件可以在磁力吸附作用下达到一定的密封效果。Further, a sealing element 3 may be provided on the lower end surface of the housing 1 . When the user tightens the bolt cover of this embodiment, the end of the housing 1 can squeeze the sealing element 3, so that the sealing element 3 is in close contact with the wall surface of the object around the bolt, thereby sealing the opening end of the first cavity 11 , to prevent the loss of anti-corrosion grease and the entry of rainwater. Sealing element 3 can adopt sealant or sealing washer, and the material of sealing washer can be selected rubber, and sealing element 3 can also adopt magnetic element, and this is applicable to the situation that the object fixed by bolt is the magnetic absorption material such as steel, and magnetic element can be in magnetic force A certain sealing effect is achieved under the action of adsorption.
实施例二Embodiment two
如图2所示，其为本实用新型实施例二的螺栓罩的结构示意图，本实施例的螺栓罩与实施例一的螺栓罩的主要区别在于，内嵌体2为螺母。采用螺母作为内嵌体具有更多的优点，螺母是广泛存在的已有配件，易于获得，可以方便地从市场上批量购买，从而使得本实施例的螺栓罩更易于大批量生产，能进一步降低本实施例的螺栓罩制造成本。As shown in FIG. 2 , it is a schematic structural diagram of the bolt cover of the second embodiment of the present invention. The main difference between the bolt cover of the present embodiment and the bolt cover of the first embodiment is that the inlay body 2 is a nut. The use of nuts as inlays has more advantages. Nuts are existing accessories that exist widely, are easy to obtain, and can be conveniently purchased in batches from the market, so that the bolt cover of this embodiment is easier to mass-produce and can further reduce The manufacturing cost of the bolt cover of this embodiment.
若螺栓的裸露端只有较短的螺纹杆从螺栓螺母中伸出，则内嵌体2之上的外壳可以为实心的。对于从螺栓螺母中伸出的螺纹杆较长的情形，如图2所示，在外壳1中还可以设有第二腔体13，第二腔体13位于内嵌体2的上方并与内嵌体2的螺纹孔连通，第二腔体13的截面积大于或等于螺纹孔的截面积。利用第二腔体13也可以容纳较长的螺纹杆。优选地，第二腔体13的截面积可以小于内嵌体2的截面积。The shell above the inlay 2 can be solid if only a short threaded shank protrudes from the bolt nut at the exposed end of the bolt. For the situation that the threaded rod protruding from the bolt nut is longer, as shown in Figure 2, a second cavity 13 can also be provided in the shell 1, and the second cavity 13 is located above the inlay body 2 and is connected to the inner body. The threaded holes of the inlay 2 are connected, and the cross-sectional area of the second cavity 13 is greater than or equal to the cross-sectional area of the threaded holes. Longer threaded rods can also be accommodated by means of the second cavity 13 . Preferably, the cross-sectional area of the second cavity 13 may be smaller than that of the inlay body 2 .
进一步地，如图2所示，在外壳1上可以设有注油孔12，注油孔12可以与第二腔体13连通。在螺栓服役期间，使用者可以根据需要从注油孔12中向第二腔体13内补充防腐蚀油脂，以便于在不拆卸本实施例的螺栓罩的条件下对螺栓进行保养维护，提高工作效率。优选地，可以在注油孔12中填充防腐蚀油脂，这样防腐蚀油脂可以对注油孔12起到一定的封堵作用，防止少量雨水从注油孔12内进入。Further, as shown in FIG. 2 , an oil injection hole 12 may be provided on the housing 1 , and the oil injection hole 12 may communicate with the second cavity 13 . During the service period of the bolt, the user can replenish the anti-corrosion grease from the oil injection hole 12 to the second cavity 13 as needed, so as to maintain the bolt without disassembling the bolt cover of this embodiment and improve work efficiency . Preferably, anti-corrosion grease can be filled in the oil injection hole 12 , so that the anti-corrosion grease can block the oil injection hole 12 to a certain extent and prevent a small amount of rainwater from entering the oil injection hole 12 .
实施例三Embodiment Three
如图3所示，其为本实用新型实施例三的螺栓罩的结构示意图，本实施例的螺栓罩与实施例二的螺栓罩的主要区别在于，本实施例中的内嵌体2为自制的内嵌体，在生产时可以自行加工出螺纹孔21。As shown in Figure 3, it is a schematic structural diagram of the bolt cover of the third embodiment of the present invention. The main difference between the bolt cover of the present embodiment and the bolt cover of the second embodiment is that the inlay 2 in the present embodiment is a self-made The inlay body can process the threaded hole 21 by itself during production.
关于以上实施例，外壳1的外形可以根据需要灵活设计，如可以为圆筒形、六棱柱形、弹头形或者呈多层台阶状回旋体形等。第一腔体11和第二腔体13主要用于容纳其中的物体，因此其横截面形状可以为圆形、多边形或任意其他形状。Regarding the above embodiments, the outer shape of the housing 1 can be flexibly designed according to needs, such as a cylindrical shape, a hexagonal prism shape, a bullet shape, or a multi-layered stepped gyroscopic shape. The first cavity 11 and the second cavity 13 are mainly used for accommodating objects therein, so their cross-sectional shapes may be circular, polygonal or any other shape.
应当指出的是，以上实施例中所说的“外壳1的下端设有下端开口的第一腔体11”、“第一腔体11位于内嵌体2的下方”和“第二腔体13位于内嵌体2的上方”中提及的上下位置关系应当理解为其是为了便于根据附图进行描述，使用者在使用上述的实施例时，整个螺栓罩的方向可以根据具体使用环境中螺栓的裸露头部的方向而设置，如可以如附图中沿竖直方向设置，也可以倒置、倾斜设置或者水平设置。It should be noted that, in the above embodiments, "the lower end of the housing 1 is provided with a first cavity 11 with an open lower end", "the first cavity 11 is located below the inlay body 2" and "the second cavity 13 The upper and lower positional relationship mentioned in "located above the inlay 2" should be understood as for the convenience of description according to the drawings. When the user uses the above-mentioned embodiment, the direction of the entire bolt cover can be adjusted according to the bolt The direction of the bare head can be set, as can be set in the vertical direction as in the accompanying drawings, or it can be set upside down, inclined or horizontally.
以上所述，仅为本实用新型的具体实施方式，但本实用新型的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本实用新型的保护范围之内。因此，本实用新型的保护范围应以所述权利要求的保护范围为准。The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.
Claims (11)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275288.9U CN203847542U (en) | 2014-05-27 | 2014-05-27 | Bolt cover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275288.9U CN203847542U (en) | 2014-05-27 | 2014-05-27 | Bolt cover |
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| CN203847542U true CN203847542U (en) | 2014-09-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131196A (en) * | 2017-05-27 | 2017-09-05 | 华信咨询设计研究院有限公司 | A kind of sill anchor protection device and guard method |
| CN110735842A (en) * | 2018-07-19 | 2020-01-31 | 中国石油天然气股份有限公司 | Bolt guards and bolted assemblies |
-
2014
- 2014-05-27 CN CN201420275288.9U patent/CN203847542U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131196A (en) * | 2017-05-27 | 2017-09-05 | 华信咨询设计研究院有限公司 | A kind of sill anchor protection device and guard method |
| CN110735842A (en) * | 2018-07-19 | 2020-01-31 | 中国石油天然气股份有限公司 | Bolt guards and bolted assemblies |
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