CN218542867U

CN218542867U - Double-layer sealed cylinder cover bolt

Info

Publication number: CN218542867U
Application number: CN202222271150.9U
Authority: CN
Inventors: 姚华健; 陈广
Original assignee: Guangzhou Baostep Auto Parts Industrial Ltd
Current assignee: Guangzhou Baostep Auto Parts Industrial Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-02-28
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a double-deck sealed cylinder cap bolt relates to cylinder cap bolt technical field, and this double-deck sealed cylinder cap bolt aims at solving prior art down can not carry out double-deck sealed processing, the poor technical problem of sealed effect to cylinder cap bolt. The head bolt includes a center post; the upper end fixed mounting of center post has the spliced pole, and the upper end fixed mounting of spliced pole has the roof, and the outside of spliced pole is provided with seal assembly, and the mounting groove has been seted up to the upper end of roof, and the outside fixed mounting of center post has the external screw thread, and the bottom fixed mounting of center post has the threaded rod, and the outside of threaded rod is provided with seal assembly down, lower seal assembly and threaded rod threaded connection. This double-deck sealed cylinder cap bolt only needs to install the processing through the setting of external screw thread to the center post, seals the processing to roof department through the setting of last seal assembly, seals the processing to the bottom through the setting of lower seal assembly to the double-deck sealed processing to cylinder cap bolt has been realized.

Description

Double-layer sealed cylinder head bolt

Technical Field

The utility model belongs to the technical field of the cylinder cap bolt, concretely relates to double-deck sealed cylinder cap bolt.

Background

Nowadays, a cylinder cover is installed on a cylinder body and is often contacted with high-temperature and high-pressure gas, so that the cylinder cover bears a large thermal load and a large mechanical load, cooling water holes in the lower end surface of the cylinder cover are communicated with cooling water holes in the cylinder body, and cylinder cover bolts are usually used for fixing the cylinder cover.

At present, the utility model patent that patent number is CN201822016274.6 discloses a cylinder head bolt, aims at providing a sealed effectual, simple structure and structural strength's cylinder head bolt, and its technical scheme main points are that the bolt body includes the bolt head and with bolt head interconnect's screw rod, be equipped with the bolt gasket between bolt head and the screw rod, be equipped with seal assembly on the bolt gasket, this seal assembly is including setting up a plurality of mounting ring grooves on the bolt gasket and setting up the sealing washer in the mounting ring groove, and each mounting ring groove all is the ring form, and each mounting ring groove is concentric circles and sets up, the thickness of sealing washer is greater than the groove depth of mounting ring groove, and the thickness difference between the two is between 0.8-1mm, the utility model is suitable for a fastener technical field. The cylinder head bolt is sealed by the single sealing ring, but the double-layer sealing treatment cannot be carried out on the cylinder head bolt in the using process of the cylinder head bolt, and the sealing effect is poor.

Therefore, in order to solve the problem that the conventional double-layer sealing cylinder head bolt cannot be sealed in a double-layer mode after being used, the practicability of the device needs to be improved.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art, the utility model aims to provide a double-deck sealed cylinder cap bolt, this double-deck sealed cylinder cap bolt aims at solving prior art down can not carry out double-deck sealed processing, the poor technical problem of sealed effect to cylinder cap bolt.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a double-layer sealed cylinder head bolt, which comprises a central column; the upper end fixed mounting of center post has the spliced pole, the upper end fixed mounting of spliced pole has the roof, the outside of spliced pole is provided with seal assembly, the mounting groove has been seted up to the upper end of roof, the outside fixed mounting of center post has the external screw thread, the bottom fixed mounting of center post has the threaded rod, the outside of threaded rod is provided with seal assembly down, seal assembly down with threaded rod threaded connection.

When the double-layer sealed cylinder cover bolt adopting the technical scheme is used, the center column is installed and processed through the arrangement of the external threads, the top plate is sealed and processed through the arrangement of the upper sealing assembly, and the bottom is sealed and processed through the arrangement of the lower sealing assembly, so that the double-layer sealing processing of the cylinder cover bolt is realized.

Further, go up seal assembly's inside including first draw-in groove, first draw-in groove sets up in the outside of spliced pole, the inboard of first draw-in groove is provided with the sealing washer, the sealing washer with first draw-in groove block is connected, is connected through the block of sealing washer and first draw-in groove and is convenient for change the processing to the sealing washer, improves sealed effect through setting up of sealing washer.

Furthermore, the interior of the upper sealing assembly comprises a second clamping groove, the second clamping groove is formed in the outer side of the connecting column, a sealing sleeve is arranged on the inner side of the second clamping groove and is connected with the second clamping groove in a clamping mode, the sealing sleeve is installed and processed through the clamping connection of the sealing sleeve and the second clamping groove, and the sealing sleeve is used for sealing the top plate.

Furthermore, go up seal assembly's inside including the installation nut, the installation nut set up in the outside of threaded rod, the installation nut with threaded rod threaded connection is through installing the nut along the rotatory twist of threaded rod, installs the processing to the installation nut.

Further, go up seal assembly's inside including sealed the pad, sealed pad set up in seal assembly's upper end down, sealed pad with threaded rod sliding connection seals the processing through sealed setting up to the bottom.

Further, go up seal assembly's inside including the reinforcement nut, the reinforcement nut set up in the outside of threaded rod, the reinforcement nut with threaded rod threaded connection carries out fixed processing to the installation nut position through the threaded connection who consolidates nut and threaded rod.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a double-deck sealed cylinder cap bolt installs the processing through the setting of external screw thread to the center post, be connected through the sealing washer and the block of first draw-in groove and be convenient for change the processing to the sealing washer, improve sealed effect through the setting of sealing washer, be connected through the block of seal cover with the second draw-in groove and install the processing to the seal cover, seal the processing to roof department through the seal cover, twist through installing the nut along the threaded rod is rotatory, install the processing to the installation nut, seal the processing to the bottom through the setting of sealed pad, carry out fixed processing to the installation nut position through the threaded connection of reinforcing nut and threaded rod, thereby the double-deck sealed processing to the cylinder cap bolt has been realized.

Drawings

Fig. 1 is a schematic three-dimensional structure according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the expanded structure of the embodiment of the present invention;

FIG. 3 is a schematic structural view of a cross-section of an embodiment of the present invention;

fig. 4 is a schematic structural view showing the section of the embodiment of the present invention.

The labels in the figures are: 1. a central column; 2. connecting columns; 3. a top plate; 4. an upper seal assembly; 5. mounting grooves; 6. an external thread; 7. a threaded rod; 8. a lower seal assembly; 9. a first card slot; 10. a seal ring; 11. a second card slot; 12. sealing sleeves; 13. installing a nut; 14. a gasket; 15. and reinforcing the screw cap.

Detailed Description

The present embodiment is a head bolt for double-layer sealing, a schematic perspective view of which is shown in fig. 1, and a schematic expanded view of which is shown in fig. 2, the head bolt including a center pillar 1; the upper end fixed mounting of center post 1 has spliced pole 2, the upper end fixed mounting of spliced pole 2 has roof 3, the outside of spliced pole 2 is provided with seal assembly 4, mounting groove 5 has been seted up to the upper end of roof 3, the outside fixed mounting of center post 1 has external screw thread 6, the bottom fixed mounting of center post 1 has threaded rod 7, the outside of threaded rod 7 is provided with seal assembly 8 down, lower seal assembly 8 and threaded rod 7 threaded connection.

For the present embodiment, the shape and structure of the central column 1 are set according to practical application, for example, the central column 1 may have a rectangular structure, an arc structure, a polygonal structure, or the like.

Wherein, the inside of going up seal assembly 4 is including first draw-in groove 9, first draw-in groove 9 is seted up in the outside of spliced pole 2, the inboard of first draw-in groove 9 is provided with sealing washer 10, sealing washer 10 is connected with first draw-in groove 9 block, be connected through the block of sealing washer 10 with first draw-in groove 9 and be convenient for change the processing to sealing washer 10, improve sealed effect through setting up of sealing washer 10, the inside of going up seal assembly 4 is including second draw-in groove 11, second draw-in groove 11 is seted up in the outside of spliced pole 2, the inboard of second draw-in groove 11 is provided with seal cover 12, seal cover 12 is connected with second draw-in groove 11 block, be connected through the block of seal cover 12 with second draw-in groove 11 and carry out installation to seal cover 12, carry out sealing process to roof 3 department through seal cover 12.

The specific embodiment is a cylinder head bolt for double-layer sealing, the schematic sectional structure is shown in fig. 3, the schematic sectional expanded structure is shown in fig. 4, the inner part of the upper sealing component 4 comprises a mounting nut 13, the mounting nut 13 is arranged on the outer side of the threaded rod 7, the mounting nut 13 is in threaded connection with the threaded rod 7, the mounting nut 13 is screwed in by rotating the mounting nut 13 along the threaded rod 7, the mounting nut 13 is mounted and processed, the inner part of the upper sealing component 4 comprises a sealing gasket 14, the sealing gasket 14 is arranged at the upper end of the lower sealing component 8, the sealing gasket 14 is in sliding connection with the threaded rod 7, and the bottom is sealed and processed by the arrangement of the sealing gasket 14.

Simultaneously, go up seal assembly 4's inside including reinforcing nut 15, reinforcing nut 15 sets up in the outside of threaded rod 7, and reinforcing nut 15 and threaded rod 7 threaded connection carry out fixed processing to installation nut 13 position through reinforcing nut 15 and threaded rod 7's threaded connection.

When using this technical scheme's double-deck sealed cylinder cap bolt, install through setting up of external screw thread 6 and handle center post 1, be connected through the block of sealing washer 10 with first draw-in groove 9 and be convenient for change the processing to sealing washer 10, improve sealed effect through setting up of sealing washer 10, install processing to sealing washer 12 through the block connection of sealing washer 12 with second draw-in groove 11, seal processing to roof 3 department through sealing washer 12, twist along the rotation of threaded rod 7 with mounting nut 13, install processing to mounting nut 13, seal processing to the bottom through the setting up of sealed pad 14, fix processing mounting nut 13 position through the threaded connection of reinforcing nut 15 and threaded rod 7, thereby realized the double-deck sealed processing to cylinder cap bolt.

Claims

1. A double-layer sealed head bolt including a center post; the sealing device is characterized in that a connecting column is fixedly mounted at the upper end of the central column, a top plate is fixedly mounted at the upper end of the connecting column, an upper sealing assembly is arranged on the outer side of the connecting column, a mounting groove is formed in the upper end of the top plate, an external thread is fixedly mounted on the outer side of the central column, a threaded rod is fixedly mounted at the bottom end of the central column, a lower sealing assembly is arranged on the outer side of the threaded rod, and the lower sealing assembly is in threaded connection with the threaded rod.

2. The double-layer sealed cylinder head bolt as claimed in claim 1, wherein the upper sealing assembly includes a first clamping groove therein, the first clamping groove is disposed on the outer side of the connecting column, a sealing ring is disposed on the inner side of the first clamping groove, and the sealing ring is engaged with the first clamping groove.

3. The double-layer sealed cylinder cover bolt as claimed in claim 1, wherein the upper sealing assembly includes a second clamping groove therein, the second clamping groove is provided at the outer side of the connecting column, a sealing sleeve is provided at the inner side of the second clamping groove, and the sealing sleeve is connected with the second clamping groove in a clamping manner.

4. The double-seal head bolt according to claim 1, wherein the upper seal assembly includes a mounting nut inside, the mounting nut being disposed on an outer side of the threaded rod, the mounting nut being in threaded connection with the threaded rod.

5. The double-seal head bolt according to claim 4, wherein the upper seal assembly includes a seal gasket disposed at an upper end thereof, the seal gasket being slidably coupled to the threaded shaft.

6. The double-sealed deck bolt as defined in claim 5, wherein said upper seal assembly includes a reinforcing nut on an inside thereof, said reinforcing nut being disposed on an outside of said threaded shaft, said reinforcing nut being threadedly coupled to said threaded shaft.