CN217950545U - Engine cylinder block sealing framework - Google Patents

Abstract

The application discloses sealed skeleton of engine cylinder block belongs to sealing element technical field for provide the sealed skeleton of engine cylinder block that installation positioning accuracy is higher, including the sealed plate body, the piston hole that link up has from top to bottom been seted up on the sealed plate body, the heavy groove has been seted up to the lower surface of sealed plate body, the heavy groove surrounds the under-opened end of piston hole, the sealed plate body still sets up the spacing groove that encircles the piston hole in the heavy groove, the heavy groove be suitable for with the sealed cooperation of packing of rubber, the spacing groove be suitable for with the sealed epaxial flange cooperation of packing of rubber. The utility model discloses an assembly surface at sealed skeleton designs groove cooperation structure for the location area of contact that is located the soft sealed pad between sealed skeleton and the engine cylinder body is bigger, be difficult to take place to warp, makes positioning accuracy higher, stability is better, changes many times and still can keep good position accuracy and self form, and the groove structure that the level was misplaced can increase the oil blanket characteristic between the contact gap, has better persistence to the maintenance of lubricating oil.

Description

Engine cylinder block sealing framework

Technical Field

The application relates to the technical field of sealing parts, in particular to a sealing framework of an engine cylinder body.

Background

The engine technology is the most critical in fuel-powered vehicles, and an engine with excellent performance needs to have good working stability, which depends on the close fit among various parts, wherein the part for playing the role of lubricating oil seal is also an important ring.

The sealing framework that is used for the engine cylinder body that has now need fix the soft sealing gasket that mainly plays sealed effect, fixed mode is generally for pressing from both sides tightly, and fix a position through the connecting piece, but because the area of contact of soft sealing member and connecting piece is less, so the sealing member is out of shape easily in locating hole department, lead to the positioning error grow, be in deformation state for a long time and can produce the plastic deformation that can't resume under high temperature pressurized, the sealing gasket does not damage in the maintenance and only takes place to warp, can let the maintainer judge to become and need not to change, and the reinstallation can further increase position error, reduce the oil blanket performance, thereby accelerate the loss of lubricating oil.

Disclosure of Invention

The application aims to provide an engine cylinder block sealing framework with higher mounting and positioning accuracy.

In order to achieve the above object, the present application provides an engine cylinder block sealing skeleton: including the sealed plate body, set up the piston hole that link up from top to bottom on the sealed plate body, heavy groove has been seted up to the lower surface of sealed plate body, heavy groove surrounds the under-opening end of piston hole, the sealed plate body is still seted up in the heavy groove and encircles the spacing groove of piston hole, heavy groove is suitable for with the sealed cooperation of packing of rubber, the spacing groove be suitable for with the sealed epaxial flange cooperation of packing of rubber, increase the location area of contact of seal skeleton and soft sealed pad, reduce the deformation degree of sealed pad to promote positioning accuracy and stability, still be provided with the structure of being connected with the engine cylinder body on the sealed plate body for on being fixed to the engine cylinder body with whole seal skeleton intercommunication soft sealed pad.

As a preferred, the structure that sealed plate body and engine cylinder body are connected includes joint lug and connecting piece hole, the joint lug is located sealed plate body sets up one side of heavy groove, the joint lug is suitable for with engine cylinder body joint, the connecting piece hole is suitable for and supplies the connecting piece to pass with sealed plate body and engine cylinder body fixed connection, just carry out final fixed after the joint lug accomplishes the location the connecting piece.

Preferably, the clamping convex block is close to the outer edge of the clamping convex block, the clamping convex block comprises a side plate and a clamping plate, the clamping plate is located on the side face of the side plate, the lower end of the clamping plate is provided with a guide groove which is perpendicular to the sealing plate body and extends, one side of the clamping plate, which is far away from the side plate, is provided with a clamping groove, and a clamping structure which does not shake is formed.

Preferably, the side plate, the clamping plate and the sealing plate body are of an integrated structure, so that the assembly steps are reduced, and the structural stability is improved.

Preferably, the connecting member holes are formed in four corners of the sealing plate body, so that the connecting member does not contact with the flexible sealing gasket when passing through the connecting member holes to cause local deformation of the flexible sealing gasket, and the clamping convex block is located on the length direction side of the sealing plate body and used for maintaining the assembly stability of the longer side of the sealing plate body.

As a preferred, the quantity of piston hole has a plurality of, and is a plurality of the piston hole equidistance is arranged, the side of sealed plate body is seted up and is located the groove of restrainting between the piston hole reduces the consumptive material, reduces the dead weight.

Preferably, the upper surface of the sealing plate body is further provided with a groove positioned between the piston holes, so that the anti-bending capability of the sealing plate body is ensured, and the weight is reduced.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The positioning contact area of the soft sealing gasket between the sealing framework and the engine cylinder body is larger, the soft sealing gasket is not easy to deform, the positioning precision is higher, the stability is better, the good position precision and the self shape can still be kept after multiple times of replacement, the oil seal characteristic between contact gaps can be improved by the aid of the staggered groove-shaped structure, and the lubricating oil can be kept more durably;

(2) Through the design of the clamping lug structure and the connecting piece hole which are not in contact with the soft sealing gasket, the positioning structure of the sealing framework cannot be in contact with the soft sealing gasket to influence the shape of the sealing framework during installation, and the form stability of the sealing gasket before and after installation is further improved.

Drawings

FIG. 1 is a first view of the overall construction of the engine block seal housing;

FIG. 2 is a second view of the overall construction of the engine block seal housing;

FIG. 3 is a perspective sectional view of the sealing frame of the engine block;

FIG. 4 is an enlarged view of a portion of the engine block seal skeleton taken at A of FIG. 3;

FIG. 5 is an enlarged view of the engine block seal skeleton taken at B of FIG. 3;

fig. 6 is a partial enlarged view of the engine block sealing frame at the point C of fig. 3.

In the figure: 1. a sealing plate body; 2. clamping the convex block; 201. a side plate; 202. clamping a plate; 203. a guide groove; 204. a card slot; 3. a profiled groove; 4. a piston bore; 5. a connector hole; 6. sinking a groove; 7. a limiting groove.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The engine cylinder body sealing framework shown in the figures 1-6 comprises a sealing plate body 1, a plate-shaped framework structure for maintaining the flatness of a rubber sealing gasket, piston holes 4 which are communicated up and down are formed in the sealing plate body 1, it is ensured that the sealing framework cannot generate motion interference on a piston rod, the number of the piston holes 4 is provided with a plurality of piston holes 4 which are arranged at equal intervals, the piston holes 4 correspond to the number and the positions of the piston holes 4 of the engine cylinder body, a bundling groove located between the piston holes 4 is formed in the side face of the sealing plate body 1, unnecessary consumables are reduced, the sealing framework is enabled to have better light weight, a type groove 3 located between the piston holes 4 is further formed in the upper surface of the sealing plate body 1, the edge of the type groove 3 is provided with a corrugated structure, the function of the sealing plate body is similar to that reinforcing ribs are adopted, and the sealing plate body 1 still has good bending resistance under the condition of reducing the consumables.

The lower surface of the sealing plate body 1 is provided with a sinking groove 6, the sinking groove 6 surrounds the lower opening end of the piston hole 4, the lower opening end of the piston hole 4 is connected into a piece, the sealing plate body 1 is also provided with a limiting groove 7 surrounding the piston hole 4 in the sinking groove 6, the sinking groove 6 is suitable for being matched with a rubber sealing gasket, the limiting groove 7 is suitable for being matched with a flange on the rubber sealing gasket, and therefore the whole rubber sealing gasket is constrained at a specific position on an engine cylinder body.

The sealing plate body 1 is also provided with a structure connected with an engine cylinder body, the structure used for fixedly connecting the sealing plate body 1 with the engine cylinder body together comprises a clamping lug 2 and a connecting piece hole 5 which are used for forming a constraint structure, the clamping lug 2 is positioned at one side of the sealing plate body 1 provided with a sink 6 and faces the surface of the engine cylinder body contacted with the sealing plate body 1, the clamping lug 2 is suitable for being clamped with the engine cylinder body, the clamping structure is convenient to disassemble and assemble and is suitable for a point position, the clamping lug 2 is close to the outer edge of the clamping lug 2, the clamping lug 2 is positioned at the side of the sealing plate body 1 in the length direction, the clamping lugs 2 are usually multiple and are uniformly arranged at the side positions, and the stability of the side connection of the sealing plate body 1 can be improved, clamping lug 2 includes curb plate 201 and cardboard 202, cardboard 202 is located the side of curb plate 201, the two mutually perpendicular has fine bending resistance ability, can keep straightness's degree, the guide way 203 that upwards perpendicular to seal plate body 1 extends is seted up to the lower extreme of cardboard 202, cooperate with the guide structure of engine cylinder body tip, play the grafting guide effect, draw-in groove 204 has been seted up to one side that cardboard 202 keeps away from curb plate 201, be used for agreeing with the spacing arch of guide structure inner wall, can restrict the motion of clamping lug 2 after the block, curb plate 201 and cardboard 202 and seal plate body 1 formula structure as an organic whole, the structural strength of whole sealed skeleton has been improved and the assembly step has been reduced simultaneously, thereby product quality and production efficiency have been improved.

Connecting piece hole 5 is suitable for and supplies the connecting piece to pass with sealed plate body 1 and engine cylinder body fixed connection, and connecting piece hole 5 is located four corners of sealed plate body 1, and the cooperation is located the ascending joint lug 2 of length direction, and good installation stability just can be maintained to whole sealed skeleton.

The engine cylinder body sealing framework structure function principle is as follows: because this sealing framework has the heavy groove 6 and the spacing groove 7 of the dislocation of height to the bottom surface of engine cylinder body for the rubber packing who sets up between sealing framework and engine cylinder body has better location and installation stability simultaneously, can also restrain lubricating oil and spill over from between the contact gap of dislocation of height, improved the oil blanket characteristic, on the other hand is with the help of the lug that has the joint structure, the location is accurate and more stable when the installation, be difficult to take place the dislocation when finally utilizing the fastener to fasten.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (7)

1. An engine block seals skeleton characterized in that: including sealed plate body (1), piston hole (4) that link up from top to bottom have been seted up on sealed plate body (1), heavy groove (6) have been seted up to the lower surface of sealed plate body (1), heavy groove (6) surround the under-opening end of piston hole (4), sealed plate body (1) is still set up in heavy groove (6) and encircles spacing groove (7) of piston hole (4), heavy groove (6) are suitable for with the sealed cooperation of rubber packing, spacing groove (7) be suitable for with the sealed epaxial flange cooperation of rubber packing, still be provided with the structure of being connected with the engine cylinder body on sealed plate body (1).

2. The engine block seal backbone of claim 1, wherein: the structure that sealed plate body (1) and engine cylinder body are connected includes joint lug (2) and connecting piece hole (5), joint lug (2) are located sealed plate body (1) is seted up one side of heavy groove (6), joint lug (2) are suitable for with engine cylinder body joint, connecting piece hole (5) are suitable for and supply the connecting piece to pass will sealed plate body (1) and engine cylinder body fixed connection.

3. The engine block seal backbone of claim 2, wherein: joint lug (2) are close to the outward flange of joint lug (2), joint lug (2) include curb plate (201) and cardboard (202), cardboard (202) are located the side of curb plate (201), the lower extreme of cardboard (202) is seted up the perpendicular to that makes progress guide way (203) that sealed plate body (1) extended, cardboard (202) are kept away from draw-in groove (204) have been seted up to one side of curb plate (201).

4. The engine block seal backbone of claim 3, wherein: the side plate (201), the clamping plate (202) and the sealing plate body (1) are of an integrated structure.

5. The engine block seal backbone of claim 2, wherein: the connecting piece holes (5) are located at four corners of the sealing plate body (1), and the clamping convex blocks (2) are located on the side of the sealing plate body (1) in the length direction.

6. The engine block seal backbone of claim 1, wherein: the quantity of piston hole (4) has a plurality of, and is a plurality of piston hole (4) equidistance is arranged, the groove of restrainting that is located between piston hole (4) is seted up to the side of sealing plate body (1).

7. The engine block seal backbone of claim 6, wherein: the upper surface of the sealing plate body (1) is also provided with a groove (3) positioned between the piston holes (4).

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