CN220134406U - Cylinder head bolt - Google Patents
Cylinder head bolt Download PDFInfo
- Publication number
- CN220134406U CN220134406U CN202321680065.6U CN202321680065U CN220134406U CN 220134406 U CN220134406 U CN 220134406U CN 202321680065 U CN202321680065 U CN 202321680065U CN 220134406 U CN220134406 U CN 220134406U
- Authority
- CN
- China
- Prior art keywords
- supporting screw
- sleeved
- protection
- cylinder head
- rod
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model relates to the technical field of cylinder head bolts, in particular to a cylinder head bolt which comprises a supporting screw rod, wherein a protection assembly is sleeved on the upper part of the outer surface of the supporting screw rod, a first sealing ring is sleeved on the upper part of the outer surface of the supporting screw rod and is positioned below the protection assembly, a connecting nut and a flat gasket are sleeved on the lower part of the outer surface of the supporting screw rod, and the flat gasket is positioned on the upper part of the connecting nut; the protection subassembly is including protecting the circle frame, upper frame wall fixedly connected with inserted bar in the protection circle frame, protection circle frame lower extreme fixedly connected with No. two sealing rings, protection circle frame inside casing wall fixedly connected with rubber ring, protection circle frame cup joints with supporting screw. According to the cylinder head bolt, the supporting screw rod can be protected in the use process by sleeving the protection assembly with the supporting screw rod, so that the supporting screw rod is prevented from being exposed outside for a long time and oxidized, and the stability is improved.
Description
Technical Field
The utility model relates to the technical field of cylinder head bolts, in particular to a cylinder head bolt.
Background
The cylinder head bolt is a stud bolt for fastening the cylinder head on the cylinder body, the number and the size of the stud bolt are different, the stud bolt is generally and fixedly arranged on the top surface of the cylinder body, and the stud bolt is made of high-quality carbon steel or low-carbon alloy steel and is subjected to thermal refining, and at least has the following defects in the use process of the existing cylinder head bolt: 1. the existing cylinder head bolt is not easy to protect the cylinder head bolt in the use process, and the upper part of the cylinder head bolt is exposed outside for a long time and is easy to oxidize; 2. the existing cylinder head bolt is easy to leak in the process of connecting with the cylinder head, so that a new cylinder head bolt is proposed.
Disclosure of Invention
The utility model mainly aims to provide a cylinder head bolt which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the cylinder head bolt comprises a supporting screw, wherein a protection component is sleeved on the upper part of the outer surface of the supporting screw, a first sealing ring is sleeved on the upper part of the outer surface of the supporting screw, the first sealing ring is positioned below the protection component, a connecting nut and a flat gasket are sleeved on the lower part of the outer surface of the supporting screw, the flat gasket is positioned on the upper part of the connecting nut, a sealing gasket is sleeved on the lower part of the outer surface of the supporting screw, and the sealing gasket is positioned on the upper part of the flat gasket;
the protection subassembly is including protecting the circle frame, upper frame wall fixedly connected with inserted bar in the protection circle frame, protection circle frame lower extreme fixedly connected with No. two sealing rings, protection circle frame inside casing wall fixedly connected with rubber ring, protection circle frame cup joints with supporting screw.
Preferably, the supporting screw comprises a supporting rod, a clamping groove is formed in the middle of the upper end of the supporting rod, a sealing sleeve is fixedly sleeved on the upper portion of the outer surface of the supporting rod, a third sealing ring is sleeved on the upper portion of the outer surface of the supporting rod, the third sealing ring is located the lower portion of the sealing sleeve, and the supporting rod is connected with the protection assembly in a penetrating mode.
Preferably, the support rod comprises a rod body, an annular groove is formed in the upper portion of the outer surface of the rod body, a first thread is formed in the lower portion of the outer surface of the rod body, a support rod is fixedly connected to the lower end of the rod body, a sealing block is fixedly sleeved on the upper portion of the outer surface of the rod body, the sealing block is located on the upper portion of the annular groove, and the rod body is connected with a third sealing ring in a penetrating mode.
Preferably, the inserting rod is connected with the clamping groove in a penetrating mode.
Preferably, the first sealing ring is sleeved with the annular groove.
Compared with the prior art, the utility model has the following beneficial effects:
1. through setting up the protection subassembly, be provided with the protection round frame on the protection subassembly, cup joint protection round frame and supporting screw, and the inserted bar on the protection subassembly is connected with the draw-in groove interlude on the supporting screw, can strengthen the connection between protection subassembly and the supporting screw, and the rubber ring can carry out anti-skidding effect to the connection of protection subassembly and supporting screw to improve the fastness of connection between protection subassembly and the supporting screw;
2. through setting up supporting screw, be provided with the ring channel on supporting screw, at supporting screw and cylinder head connection in-process, no. one sealing ring cup joints with the ring channel, no. three sealing rings contact with the cylinder head upper end to the sealed pad cylinder head inner wall contacts, can strengthen the sealed effect of supporting screw and cylinder head connection in-process.
Drawings
FIG. 1 is a schematic view of the overall structure of a cylinder head bolt of the present utility model;
FIG. 2 is a schematic view of the overall structure of a cylinder head bolt guard assembly according to the present utility model;
FIG. 3 is a schematic view of the overall structure of a support screw for a cylinder head bolt according to the present utility model;
fig. 4 is a schematic view showing the whole structure of a support rod of a cylinder head bolt according to the present utility model.
In the figure: 1. a support screw; 2. a protective assembly; 3. a first sealing ring; 4. a coupling nut; 5. a flat gasket; 6. a sealing gasket; 21. a protective round frame; 22. a rod; 23. a second seal ring; 24. a rubber ring; 11. a support rod; 12. a clamping groove; 13. a third seal ring; 14. sealing sleeve; 111. a rod body; 112. an annular groove; 113. a first thread; 114. a support rod; 115. and a sealing block.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, the present utility model provides a technical solution:
the cylinder head bolt comprises a supporting screw 1, wherein a protection component 2 is sleeved on the upper part of the outer surface of the supporting screw 1, a first sealing ring 3 is sleeved on the upper part of the outer surface of the supporting screw 1, the first sealing ring 3 is positioned below the protection component 2, a connecting nut 4 and a plain washer 5 are sleeved on the lower part of the outer surface of the supporting screw 1, the plain washer 5 is positioned on the upper part of the connecting nut 4, a sealing gasket 6 is sleeved on the lower part of the outer surface of the supporting screw 1, and the sealing gasket 6 is positioned on the upper part of the plain washer 5;
in this embodiment, the protection assembly 2 includes a protection round frame 21, an insert rod 22 is fixedly connected to an upper frame wall in the protection round frame 21, a second sealing ring 23 is fixedly connected to a lower end of the protection round frame 21, a rubber ring 24 is fixedly connected to an inner frame wall of the protection round frame 21, and the protection round frame 21 is sleeved with the supporting screw 1; the inserted link 22 is connected with the clamping groove 12 in a penetrating way, the protection assembly 2 is arranged to protect the connection between the supporting screw 1 and the cylinder cover, the inserted link 22 is connected with the clamping groove 12 on the supporting screw 1 in a penetrating way, the rubber ring 24 is contacted with the upper part of the outer surface of the supporting rod 11, and the connection between the protection assembly 2 and the supporting screw 1 can be enhanced, so that the exposed supporting screw 1 is protected.
In the embodiment, the supporting screw 1 comprises a supporting rod 11, a clamping groove 12 is formed in the middle of the upper end of the supporting rod 11, a sealing sleeve 14 is fixedly sleeved on the upper portion of the outer surface of the supporting rod 11, a third sealing ring 13 is sleeved on the upper portion of the outer surface of the supporting rod 11, the third sealing ring 13 is positioned on the lower portion of the sealing sleeve 14, and the supporting rod 11 is connected with the protection component 2 in a penetrating manner; the support rod 11 comprises a rod body 111, an annular groove 112 is formed in the upper portion of the outer surface of the rod body 111, a first thread 113 is formed in the lower portion of the outer surface of the rod body 111, a support rod 114 is fixedly connected to the lower end of the rod body 111, a sealing block 115 is fixedly sleeved on the upper portion of the outer surface of the rod body 111, the sealing block 115 is located on the upper portion of the annular groove 112, and the rod body 111 is connected with a third sealing ring 13 in a penetrating mode; the first sealing ring 3 is sleeved with the annular groove 112, the third sealing ring 13 is connected with the cylinder cover by arranging the supporting screw 1, the annular groove 112 is sleeved with the first sealing ring 3, the sealing effect in the process of connecting the supporting screw 1 with the cylinder cover can be enhanced, the air leakage caused by the connection of the supporting screw 1 with the cylinder cover is avoided, and the stability is improved.
It should be noted that, the present utility model is a cylinder head bolt, in the use process, the first sealing ring 3 is sleeved with the annular groove 112 on the supporting screw 1, then the supporting screw 1 is connected with the cylinder head in a penetrating way, meanwhile, the sealing gasket 6 contacts with the inner wall of the cylinder head, the third sealing ring 13 on the supporting screw 1 contacts with the cylinder head, and is limited by the sealing sleeve 14, so that the connection between the supporting screw 1 and the cylinder head can be sealed, the air leakage phenomenon is avoided when the supporting screw 1 is connected with the cylinder head, the stability is improved, in the connection process of the supporting screw 1 and the cylinder head, the inserting rod 22 on the protecting component 2 is connected with the clamping groove 12 on the supporting screw 1 in a penetrating way, and the rubber ring 24 in the protecting round frame 21 contacts with the upper part of the outer surface of the supporting rod 11, so that the connection between the protecting component 2 and the supporting screw 1 can be enhanced, the supporting screw 1 exposed outside is protected by the protecting component 2, the supporting screw 1 is prevented from being oxidized and damaged, and the stability is improved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A cylinder head bolt comprising a support screw (1), characterized in that: the upper part of the outer surface of the supporting screw rod (1) is sleeved with a protection component (2), the upper part of the outer surface of the supporting screw rod (1) is sleeved with a first sealing ring (3), the first sealing ring (3) is positioned below the protection component (2), the lower part of the outer surface of the supporting screw rod (1) is sleeved with a connecting nut (4) and a plain washer (5), the plain washer (5) is positioned on the upper part of the connecting nut (4), the lower part of the outer surface of the supporting screw rod (1) is sleeved with a sealing gasket (6), and the sealing gasket (6) is positioned on the upper part of the plain washer (5);
the protection assembly (2) comprises a protection round frame (21), an inserting rod (22) is fixedly connected to the upper frame wall in the protection round frame (21), a second sealing ring (23) is fixedly connected to the lower end of the protection round frame (21), a rubber ring (24) is fixedly connected to the inner frame wall of the protection round frame (21), and the protection round frame (21) is sleeved with the supporting screw (1).
2. A cylinder head bolt as defined in claim 1, wherein: the supporting screw (1) comprises a supporting rod (11), a clamping groove (12) is formed in the middle of the upper end of the supporting rod (11), a sealing sleeve (14) is fixedly sleeved on the upper portion of the outer surface of the supporting rod (11), a third sealing ring (13) is sleeved on the upper portion of the outer surface of the supporting rod (11), the third sealing ring (13) is located at the lower portion of the sealing sleeve (14), and the supporting rod (11) is connected with the protection component (2) in a penetrating mode.
3. A cylinder head bolt according to claim 2, wherein: the support rod (11) comprises a rod body (111), an annular groove (112) is formed in the upper portion of the outer surface of the rod body (111), a first thread (113) is formed in the lower portion of the outer surface of the rod body (111), a support rod (114) is fixedly connected to the lower end of the rod body (111), a sealing block (115) is fixedly sleeved on the upper portion of the outer surface of the rod body (111), the sealing block (115) is located on the upper portion of the annular groove (112), and the rod body (111) is connected with a third sealing ring (13) in an penetrating mode.
4. A cylinder head bolt as defined in claim 1, wherein: the inserted link (22) is connected with the clamping groove (12) in a penetrating way.
5. A cylinder head bolt as defined in claim 1, wherein: the first sealing ring (3) is sleeved with the annular groove (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321680065.6U CN220134406U (en) | 2023-06-29 | 2023-06-29 | Cylinder head bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321680065.6U CN220134406U (en) | 2023-06-29 | 2023-06-29 | Cylinder head bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134406U true CN220134406U (en) | 2023-12-05 |
Family
ID=88961115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321680065.6U Active CN220134406U (en) | 2023-06-29 | 2023-06-29 | Cylinder head bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134406U (en) |
-
2023
- 2023-06-29 CN CN202321680065.6U patent/CN220134406U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |