CN207777026U - A kind of head gasket - Google Patents

Abstract

The utility model is related to cylinder technical fields,In particular a kind of head gasket,Including cylinder pad body,Pass through the snorkel of setting,It ensure that when inner seal ring is poorly sealed close,Gas in cylinder can be exported by snorkel,And the setting of spring stack,It ensure that being bonded for movable plate and the rubber ring,And then it ensure that the leakproofness in transparent pipe,And the setting of transparent pipe,Facilitate the situation inside observation transparent pipe,And the serum cap for passing through setting,Because of the shell extensibility of serum cap,It ensure that the volume in transparent pipe can become larger,Pass through valve and transparent pipe,When full water built-in toward transparent pipe,When thering is gas to appear,It will produce bubble in transparent pipe,Facilitate observation and monitoring,It avoids because being not tight seal indiscoverable problem,The utility model is simple in structure,It is easy to use,And the problem of capable of finding to be not tight seal in time,It largely avoids because finding not in time to cause damages to cylinder,It is suitable to promote.

Description

A kind of head gasket

Technical field

The utility model is related to cylinder technical field, specially a kind of head gasket.

Background technology

Also known as its function of cylinder gasket is filled up between cylinder block and head to head gasket between cylinder head and cylinder block Microscopic void, ensure there is a good leakproofness at faying face, and then ensure that the sealing of combustion chamber prevents cylinder leakage tester and water jacket Leak, with continually strengthening for internal combustion engine, thermic load and mechanical load are continuously increased, and the leakproofness of head gasket is more and more heavy Wanting requirements of the to structure and material is:There is enough intensity under the combustion gas action condition of high temperature and pressure and high corrosion, it is resistance to Heat；Many damages are rotten, corrosion-resistant；With certain elasticity, the unevenness of faying face can be compensated, to ensure to seal；Use the longevity Life length, but after long-term use, it is no longer close often to will appear sealing, leads to being short of power for cylinder, more serious to hinder And cylinder body, but be difficult to judge that sealing is not close at present, lead to that replacement head gasket cannot be carried out in time, in consideration of it, I Propose a kind of head gasket.

Utility model content

The purpose of this utility model is to provide a kind of head gaskets, mentioned above in the background art in head gasket to solve The problems such as being difficult to find when sealing untight.

To achieve the above object, the utility model provides the following technical solutions：

A kind of head gasket, including cylinder pad body, the cylinder pad body include being located at head gasket body center position The cylinder-bore opened up is set, four corners of the cylinder pad body are equipped with screw hole, and the bottom of the cylinder pad body is equipped with Several inner seal rings, and the inner seal ring is located at the edge of the cylinder-bore and screw hole, the cylinder pad body Exterior bottom is equipped with exterior seal ring；

The head gasket body interior is equipped with testing agency, and the testing agency includes being located at level in cylinder pad body to set The vertical section of the snorkel set, the snorkel is connected through the head gasket body bottom portion inner wall with inside, and described logical For the vertical section of tracheae between the inner seal ring and the exterior seal ring, the other end of the snorkel runs through the cylinder On the outside of pad body, the outside upright of the cylinder pad body is equipped with transparent pipe, and the snorkel through the transparent pipe with it is interior Portion is connected, and the top of the transparent pipe is equipped with serum cap, and the snorkel is located at described transparent pipe one end and is internally provided with valve, The valve includes being located at the fixes sleeve being fixedly installed inside the snorkel, and be located in the fixes sleeve described interior close Seal one end is equipped with limit bucket, and the limit bucket position is equipped with rubber ring in the fixes sleeve side, is erected in the fixes sleeve It is directly equipped with sieve pore steel plate, the sieve pore steel plate is located at the limit bucket side and is equipped with spring stack, and the spring stack is far from the sieve Hole steel plate one end is fixedly connected with movable plate.

Preferably, the vertical section area of the movable plate is two points of vertical section area of the fixes sleeve inner wall One of

Preferably, it is described limit bucket inner wall vertical section area be the movable plate vertical section area two/ One.

Preferably, the material of the transparent pipe is PC plastic pipe.

Preferably, the material of the inner seal ring and the exterior seal ring is rubber, and model is DN300.

Compared with prior art, the beneficial effects of the utility model：This head gasket ensure that by the snorkel of setting When inner seal ring is poorly sealed close, fixing sleeve that the gas in cylinder can be exported by snorkel, and pass through setting Cylinder and sieve pore steel plate, ensure that the fixation to movable plate and spring stack, and the setting of spring stack, ensure that movable plate with it is described The fitting of rubber ring, and then ensure that the leakproofness in transparent pipe, and the setting of transparent pipe, it facilitates inside observation transparent pipe Situation, and by the serum cap of setting, it because of the shell extensibility of serum cap, ensure that the volume in transparent pipe can become larger, lead to Valve and transparent pipe are crossed, when toward transparent pipe built-in full water, when having gas to appear, gas is will produce in transparent pipe Bubble, facilitates observation and monitoring, avoids because being not tight seal indiscoverable problem, and the utility model is simple in structure, It is easy to use, and the problem of can find to be not tight seal in time, largely avoid because finding not in time to make cylinder It is suitable to promote at harm.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the internal structure chart of toolbox in the utility model；

Fig. 3 is the structural schematic diagram of valve in the utility model.

In figure：1, cylinder pad body；11, cylinder-bore；12, screw hole；13, inner seal ring；14, exterior seal ring；2, detection machine Structure；21, snorkel；22, valve；221, fixes sleeve；2211, bucket is limited；2212, rubber ring；222, sieve pore steel plate；2221、 Spring stack；223, movable plate；23, transparent pipe；231, serum cap.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：

A kind of head gasket, including cylinder pad body 1, cylinder pad body 1 include being opened up positioned at 1 middle position of cylinder pad body Cylinder-bore 11, four corners of cylinder pad body 1 are equipped with screw hole 12, and the bottom of cylinder pad body 1 is equipped with several interior close Seal 13, and inner seal ring 13 is located at the edge of cylinder-bore 11 and screw hole 12, the exterior bottom of cylinder pad body 1 is equipped with The material of exterior seal ring 14, inner seal ring 13 and exterior seal ring 14 is rubber, and model is DN300, ensure that leakproofness.

Cylinder pad body 1 is internally provided with testing agency 2, and testing agency 2 includes horizontally disposed in cylinder pad body 1 Snorkel 21 ensure that when inner seal ring 13 is poorly sealed close, the gas energy in cylinder by the snorkel 21 of setting It is enough exported by snorkel 21, the vertical section of snorkel 21 is connected through 1 bottom interior wall of cylinder pad body with inside, and ventilates The vertical section of pipe 21 is between inner seal ring 13 and exterior seal ring 14, and the other end of snorkel 21 is outside cylinder pad body 1 The outside upright of side, cylinder pad body 1 is equipped with transparent pipe 23, and snorkel 21 is connected through transparent pipe 23 with inside, transparent The top of pipe is equipped with serum cap 231, and snorkel 21 is located at 23 one end of transparent pipe and is internally provided with valve 22, and valve 22 includes being located to lead to The fixes sleeve 221 of pipe fixed setting, and by the fixes sleeve of setting 221 and sieve pore steel plate 222, it ensure that work The fixation of movable plate 223 and spring stack 2221, and be located at 13 one end of inner seal ring in fixes sleeve 221 and be equipped with limit bucket 2211, Limit bucket 2211 is located at 221 side of fixes sleeve and is equipped with rubber ring 2212, and sieve pore steel plate is equipped with vertically in fixes sleeve 221 222, sieve pore steel plate 222 is located at limit bucket 2211 side and is equipped with spring stack 2221, and the setting of spring stack 2221, ensure that activity Plate 223 is bonded with rubber ring 2212, and then ensure that the leakproofness in transparent pipe 23, and spring stack 2221 is far from sieve pore steel plate 222 one end are fixedly connected with movable plate 223, and the vertical section area of movable plate 223 is the vertical section of 221 inner wall of fixes sleeve The half of area, limit 2211 inner wall of bucket vertical section area be movable plate 223 vertical section area two/ One, the material of transparent pipe 23 is PC plastic pipe, and the setting of transparent pipe 23, facilitates the situation inside observation transparent pipe 23, and It ensure that the volume in transparent pipe 23 can become larger because of the shell extensibility of serum cap 231 by the serum cap 231 of setting, lead to Valve 22 and transparent pipe 23 are crossed, when toward 23 built-in full water of transparent pipe, when thering is gas to appear, in transparent pipe 23 Bubble is will produce, observation and monitoring are facilitated, is avoided because being not tight seal indiscoverable problem.

The operation principle of the utility model：When in use, it by 23 built-in full water of transparent pipe, is driven and is lived by spring stack 2221 Movable plate 223 is bonded to each other with rubber ring 2212, is avoided water and is flowed into cylinder, when inner seal ring 13 is when sealing untight It waits, the gas that cylinder generates at work is flowed out from gap, and then enters the sky between inner seal ring 13 and exterior seal ring 14 Intracavitary, gas is by the inflow valve 22 of snorkel 21 at this time, and under the effect of the pressure, gas causes movable plate 223 by expansion It is moved backward by spring stack 2221, gas is flowed by sieve pore steel plate 222 in transparent pipe 23 at this time, and gas is when meeting water Bubble can be will produce, due to the extendability of serum cap 231, serum cap 231 can raise up, and worker is transparent by observing at this time In pipe 23, when bubble occurs in inside, illustrates that sealing is not close, and then can timely carry out replacement head gasket, avoid Harm is caused due to sealing not close, the utility model is simple in structure, easy to use, and can find to seal in time Not tight problem largely avoids because finding not in time to cause damages to cylinder, suitable to promote.

Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within this claimed practicality In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of head gasket, including cylinder pad body (1), it is characterised in that：The cylinder pad body (1) includes being located at the gas Four corners of the cylinder-bore (11) that cylinder pad body (1) middle position opens up, the cylinder pad body (1) are equipped with screw hole (12), the bottom of the cylinder pad body (1) is equipped with several inner seal rings (13), and the inner seal ring (13) is located at institute The edge of cylinder-bore (11) and screw hole (12) is stated, the exterior bottom of the cylinder pad body (1) is equipped with exterior seal ring (14)；

The cylinder pad body (1) is internally provided with testing agency (2), and the testing agency (2) includes being located at cylinder pad body (1) Interior horizontally disposed snorkel (21), the vertical section of the snorkel (21) through cylinder pad body (1) bottom interior wall with Inside is connected, and the vertical section of the snorkel (21) be located at the inner seal ring (13) and the exterior seal ring (14) it Between, for the other end of the snorkel (21) on the outside of the cylinder pad body (1), the outside of the cylinder pad body (1) is perpendicular It is directly equipped with transparent pipe (23), and the snorkel (21) is connected through the transparent pipe (23) with inside, the transparent pipe Top is equipped with serum cap (231), and the snorkel (21) is located at the transparent pipe (23) one end and is internally provided with valve (22), described Valve (22) includes being located at the fixes sleeve (221) being fixedly installed inside the snorkel, and the fixes sleeve (221) is upper It is equipped with limit bucket (2211) in the inner seal ring (13) one end, the limit bucket (2211) is located at the fixes sleeve (221) Side is equipped with rubber ring (2212), and sieve pore steel plate (222), the sieve pore steel plate are equipped with vertically in the fixes sleeve (221) (222) it is located at limit bucket (2211) side and is equipped with spring stack (2221), the spring stack (2221) is far from the sieve pore steel Plate (222) one end is fixedly connected with movable plate (223).

2. head gasket according to claim 1, it is characterised in that：The vertical section area of the movable plate (223) is institute State the half of the vertical section area of fixes sleeve (221) inner wall.

3. head gasket according to claim 1, it is characterised in that：The vertical section area of described limit bucket (2211) inner wall For the half of the vertical section area of the movable plate (223).

4. head gasket according to claim 1, it is characterised in that：The material of the transparent pipe (23) is PC plastic pipe.

5. head gasket according to claim 1, it is characterised in that：The inner seal ring (13) and the exterior seal ring (14) material is rubber, and model is DN300.