CN217950543U

CN217950543U - Rubber sealing element for cylinder gasket

Info

Publication number: CN217950543U
Application number: CN202222002066.7U
Authority: CN
Inventors: 杨海鹰; 周兵; 郑传超
Original assignee: Chengdu Hongtu Chaoyue Engineering Technology Co ltd
Current assignee: Chengdu Hongtu Chaoyue Engineering Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-12-02
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a cylinder gasket rubber seal relates to cylinder technical field. The cylinder gasket comprises a cylinder gasket body, wherein an engine oil hole is formed in one side of the cylinder gasket body, and a plurality of screw preformed holes are formed in the cylinder gasket body in a distributed mode. The utility model discloses a seal structure's setting, the lip seal circle is installed on machine oil hole and the water hole on the cylinder pad body, can carry out better sealing to machine oil hole and water hole, when the lip seal circle receives extrusion strength, the upper lip is close to the lower lip, the go-between receives the extrusion simultaneously, this moment, the connecting rod slides and is close to fixed pipe in fixed intraductal, first spring compresses, the down tube slides and is close to the pipe chute in the pipe chute, the second spring compression, at this moment, the reaction force of first spring and second spring plays the effect of better buffering support to upper lip and lower lip, make lip seal circle non-deformable produce the gap, and laminate more with the contact surface, be difficult for appearing the phenomenon that the oil leak leaks, personnel's use has been guaranteed.

Description

Rubber sealing element for cylinder gasket

Technical Field

The utility model relates to the technical field of cylinders, specifically a cylinder gasket rubber seal spare.

Background

The cylinder is a cylindrical empty chamber in the engine, a piston pushed by the pressure or expansion force of working fluid is arranged in the cylinder, similar but non-cylindrical parts in some special engines, and a cylinder gasket is positioned between a cylinder cover and the cylinder body and is also called a cylinder bed.

In the long-term use of engine, certain intensity pressure in the cylinder makes the machine oil hole on the cylinder liner and water hole part sealing washer warp easily and produces the gap and make sealed not tight, leads to producing the phenomenon that the oil leak leaked, influences personnel's use, for this reason, the utility model provides a neotype solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder gasket rubber seal to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cylinder gasket rubber seal spare, including the cylinder pad body, the machine oil hole has been seted up to one side on the cylinder pad body, the water hole has been seted up to the opposite side, a plurality of screw preformed holes have been seted up to distribution on the cylinder pad body, all be provided with seal structure on machine oil hole and the water hole, seal structure is including setting up the lip seal circle at machine oil hole and water hole both sides edge, the lip seal circle includes the upper lip, lower lip and go-between, be provided with horizontal ring piece on the lower lip inside wall, be provided with the vertical ring piece on the go-between inside wall, be provided with the top ring piece on the upper lip inside wall, the circumference evenly is fixed with a plurality of fixed pipes on the horizontal ring piece, the fixed pipe top is inserted and is equipped with the connecting rod, the connecting rod bottom mounting has first spring, fixed pipe upper end one side is fixed with the pipe chute, the tube top is inserted and is equipped with the down tube, the down tube bottom mounting has the second spring.

Preferably, the inner side walls of the engine oil hole and the water hole are respectively fixed with a retainer ring, the retainer ring is fixed with the cylinder gasket body, and two side surfaces of the cylinder gasket body are provided with grooves matched with the lip-shaped sealing rings.

Preferably, a first mounting groove matched with the transverse ring piece is formed in the inner side wall of the lower lip, a second mounting groove matched with the vertical ring piece is formed in the inner side wall of the connecting ring, and a third mounting groove matched with the top ring piece is formed in the inner side wall of the upper lip.

Preferably, the horizontal ring piece and the vertical ring piece are integrated, the cross section of the horizontal ring piece and the vertical ring piece is L-shaped, and the inner side wall of the upper lip is provided with a fourth mounting groove matched with the top end of the vertical ring piece.

Preferably, the top end of the connecting rod is fixed with the top ring piece, the bottom end of the first spring is fixed with the transverse ring piece, the top end of the inclined rod is fixed with the vertical ring piece, and the bottom end of the second spring is fixed with the fixing pipe.

Preferably, the lip-shaped sealing ring, the transverse ring piece, the vertical ring piece and the top ring piece are all made of nitrile rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

this cylinder gasket rubber seal spare, setting through seal structure, the lip seal circle is installed on machine oil hole and the water hole on the cylinder pad body, can carry out better sealing to machine oil hole and water hole, when the lip seal circle received extrusion strength, the upper lip is close to the lower lip, the go-between receives the extrusion simultaneously, this moment, the connecting rod slides in fixed intraductal and is close to fixed pipe, first spring compresses, the down tube slides in the down tube and is close to the down tube, the second spring compression, at this moment, the reaction force of first spring and second spring plays the effect of better buffering support to upper lip and lower lip, make lip seal circle non-deformable produce the gap, and laminate more with the contact surface, the phenomenon of oil leak is difficult to appear, personnel's use has been guaranteed.

In addition, through the setting of first mounting groove, second mounting groove, third mounting groove and fourth mounting groove, install horizontal ring piece in the first mounting groove, second mounting groove and the vertical ring piece of fourth mounting groove installation, install the apical ring piece in the third mounting groove for play the spacing effect of installation, be convenient for installation and dismantlement to horizontal ring piece, vertical ring piece and apical ring piece.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the sealing structure and the baffle ring piece of the present invention;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is an enlarged structural view of a portion a in fig. 3.

In the figure: 1. a cylinder head body; 101. an engine oil hole; 102. a water pore; 103. reserving a hole in the screw; 2. a lip-shaped seal ring; 201. a transverse ring sheet; 202. a vertical ring piece; 203. a top ring sheet; 204. fixing the tube; 205. a connecting rod; 206. a first spring; 207. an inclined tube; 208. a diagonal bar; 209. a second spring; 3. a retainer ring sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship indicated based on the drawings, which is only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: a cylinder gasket rubber sealing element comprises a cylinder gasket body 1, wherein an oil hole 101 is formed in one side of the cylinder gasket body 1, a water hole 102 is formed in the other side of the cylinder gasket body 1, a plurality of screw preformed holes 103 are distributed on the cylinder gasket body 1, sealing structures are arranged on the oil hole 101 and the water hole 102 respectively, each sealing structure comprises a lip-shaped sealing ring 2 arranged on the edges of two sides of the oil hole 101 and the water hole 102, each lip-shaped sealing ring 2 comprises an upper lip, a lower lip and a connecting ring, a transverse ring sheet 201 is arranged on the inner side wall of the lower lip, a vertical ring sheet 202 is arranged on the inner side wall of the connecting ring, a top ring sheet 203 is arranged on the inner side wall of the upper lip, a plurality of fixing tubes 204 are uniformly fixed on the upper circumference of the transverse ring sheet 201, a connecting rod 205 is inserted at the top end of each fixing tube 204, a first spring 206 is fixed at the bottom end of each connecting rod 205, an inclined tube 207 is inserted at the top end of each inclined tube 207, a second spring 209 is fixed at the bottom end of each inclined tube 208, the top end of the connecting rod 205 is fixed with the top ring plate 203, the bottom end of the first spring 206 is fixed with the horizontal ring plate 201, the top end of the inclined rod 208 is fixed with the vertical ring plate 202, the bottom end of the second spring 209 is fixed with the fixed tube 204, through the arrangement of the sealing structure, the lip-shaped sealing ring 2 is arranged on the oil hole 101 and the water hole 102 on the cylinder gasket body 1, the oil hole 101 and the water hole 102 can be well sealed, when the lip-shaped sealing ring 2 is extruded, the upper lip is close to the lower lip, and simultaneously, the connecting ring is extruded, at the moment, the connecting rod 205 slides in the fixed tube 204 and is close to the fixed tube 204, the first spring 206 is compressed, the inclined rod 208 slides in the inclined tube 207 and is close to the inclined tube 207, the second spring 209 is compressed, at the moment, the reaction force of the first spring 206 and the second spring 209 plays a good role of buffering and supporting for the upper lip and the lower lip, so that the lip-shaped sealing ring 2 is not easy to deform, and the oil hole 101 and the inner side wall of the water hole 102 are both fixed with a baffle ring piece 3, the baffle ring piece 3 is fixed with the cylinder pad body 1, the two side surfaces of the cylinder pad body 1 are provided with a groove lip-shaped sealing ring 2 matched with the lip-shaped sealing ring 2, a transverse ring piece 201, a vertical ring piece 202 and a top ring piece 203 which are all made of nitrile rubber, the oil resistance is excellent, the oil is not easy to be adhered and corroded by oil, the wear resistance and the heat resistance are good, and the service life of the lip-shaped sealing ring 2 is prolonged to a certain extent.

As a concrete embodiment, set up the first mounting groove with horizontal ring piece 201 looks adaptation on the lower lip inside wall, set up the second mounting groove with vertical ring piece 202 looks adaptation on the go-between inside wall, set up the third mounting groove with top ring piece 203 looks adaptation on the upper lip inside wall, horizontal ring piece 201 is as an organic whole with vertical ring piece 202, its cross-section is the L type, the fourth mounting groove with vertical ring piece 202 top looks adaptation is seted up to the upper lip inside wall, through first mounting groove, the second mounting groove, the setting of third mounting groove and fourth mounting groove, install horizontal ring piece 201 in the first mounting groove, second mounting groove and fourth mounting groove installation vertical ring piece 202, install top ring piece 203 in the third mounting groove, make to horizontal ring piece 201, vertical ring piece 202 and top ring piece 203 have played the spacing effect of installation, be convenient for installation and dismantlement.

Specially, when using this sealing member, with its lip seal 2 machine inner structure integral erection in the recess on cylinder pad body 1, retainer plate 3 has played the spacing effect of installation to lip seal 2 simultaneously, be difficult for making lip seal 2 installation skew, install this cylinder pad body 1 through screw preformed hole 103 use bolt after that, can use after the installation is accomplished, in the use, when lip seal 2 received the extrusion force of certain intensity, the extrusion force makes the upper lip be close to the lower lip, the go-between receives the extrusion simultaneously, make connecting rod 205 be close to fixed pipe 204, first spring 206 compression, down tube 208 is close to down tube 207, second spring 209 compression, the reaction force of first spring 206 and second spring 209 plays the effect of support to the upper lip and lower lip, make this lip seal 2 non-deformable influence use. It should be noted that the cylinder head gasket body 1, the engine oil hole 101, the water hole 102, the screw preformed hole 103, and the lip seal 2 are all the prior art, and therefore the working principle thereof will not be explained in detail here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cylinder gasket rubber seal, includes cylinder gasket body (1), its characterized in that: one side of a cylinder gasket body (1) is provided with an oil hole (101), the other side of the cylinder gasket body is provided with a water hole (102), a plurality of screw preformed holes (103) are distributed on the cylinder gasket body (1), sealing structures are arranged on the oil hole (101) and the water hole (102), each sealing structure comprises a lip-shaped sealing ring (2) arranged on edges of two sides of the oil hole (101) and the water hole (102), each lip-shaped sealing ring (2) comprises an upper lip, a lower lip and a connecting ring, a transverse ring piece (201) is arranged on the inner side wall of the lower lip, a vertical ring piece (202) is arranged on the inner side wall of the connecting ring, a top ring piece (203) is arranged on the inner side wall of the upper lip, a plurality of fixing pipes (204) are uniformly fixed on the periphery of the transverse ring piece (201), a connecting rod (205) is inserted into the top ends of the fixing pipes (204), a first spring (206) is fixed to the bottom ends of the connecting rods (205), an inclined pipe (207) is fixed to one side of the upper ends of the fixing pipes (204), an inclined pipe (208) is inserted into the top ends of the inclined pipes (208), and a second spring (209) is fixed to the bottom end of the inclined pipe (208).

2. A cylinder gasket rubber seal according to claim 1, wherein: the oil hole (101) and the water hole (102) inside wall all are fixed with fender ring piece (3), keep off ring piece (3) and cylinder liner body (1) fixed, and the recess with lip seal (2) looks adaptation is seted up to the both sides face on cylinder liner body (1).

3. A cylinder gasket rubber seal as claimed in claim 1, wherein: a first mounting groove matched with the horizontal ring piece (201) is formed in the inner side wall of the lower lip, a second mounting groove matched with the vertical ring piece (202) is formed in the inner side wall of the connecting ring, and a third mounting groove matched with the top ring piece (203) is formed in the inner side wall of the upper lip.

4. A cylinder gasket rubber seal as claimed in claim 1, wherein: horizontal ring piece (201) and vertical ring piece (202) are as an organic whole, and its cross-section is the L type, and the fourth mounting groove with vertical ring piece (202) top looks adaptation is seted up to the upper lip inside wall.

5. A cylinder gasket rubber seal according to claim 1, wherein: the top end of the connecting rod (205) is fixed with the top ring piece (203), the bottom end of the first spring (206) is fixed with the transverse ring piece (201), the top end of the diagonal rod (208) is fixed with the vertical ring piece (202), and the bottom end of the second spring (209) is fixed with the fixed tube (204).

6. A cylinder gasket rubber seal according to claim 1, wherein: the lip-shaped sealing ring (2), the transverse ring piece (201), the vertical ring piece (202) and the top ring piece (203) are all made of nitrile rubber.