CN213807877U

CN213807877U - Cylinder organism with self sealss waterproof construction

Info

Publication number: CN213807877U
Application number: CN202022090194.2U
Authority: CN
Inventors: 程铁仕; 王朝晖; 祁百征
Original assignee: Kepu Changzhou Agricultural Machinery Co ltd
Current assignee: Kepu Changzhou Agricultural Machinery Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-27
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a cylinder body with a self-sealing waterproof structure, which comprises a cylinder sleeve and a cylinder assembly, the cylinder sleeve is fixedly connected with one end of a cylinder component, the cylinder component comprises a machine body and a machine body shell, the cylinder sleeve is fixedly connected with one end of the machine body, one end of the machine body is provided with a machine body hole, the cylinder sleeve is arranged in the machine body hole, the machine body shell is fixedly connected with the outer side of the machine body, the top of the cylinder sleeve is fixedly connected with the hoop-shaped water cavity, one side of the cylinder sleeve is provided with a lower seam allowance, the upper end of the cylinder sleeve is of a cylindrical structure without seam allowance, and the middle lower part of the cylinder sleeve is provided with a supporting sealing seam allowance, the utility model has scientific and reasonable structure and safe and convenient use, this cylinder organism is from taking sealed waterproof construction, and the cylinder jacket lower part does not set up the water seal circle, and the tang of lower part is sealed in the adoption, can reach sealed effect effectively.

Description

Cylinder organism with self sealss waterproof construction

Technical Field

The utility model relates to a cylinder technical field specifically is a cylinder organism with self sealss waterproof construction.

Background

The engine is the source of the power of the car, its performance is the quality of the car technical situation of direct determination, the engine operates and influences the steady running of the car high-efficiently normally, its steady operation has important effects on improving the utilization factor of the energy, the engine can be divided into piston engine and trochanter type engine two kinds, in the piston engine, the air cylinder is the metal part that guides the piston to carry on the straight reciprocating motion in the cylinder, the piston is the main part carrying on the piston movement, the air cylinder is an important part in the engine, the inner surface of the air cylinder is very apt to abrade because of the function of high-temperature high-pressure gas and contact with piston moving at a high speed, there are different air cylinder structural style and surface treatment method in order to improve the wearability of the air cylinder and lengthen the life time of the air cylinder, the structural style of the air cylinder generally has three kinds: the cylinder sleeve is a cylindrical part which is arranged in a cylinder body hole of a machine body and is compressed and fixed by a cylinder cover, a piston does reciprocating motion in an inner hole of the piston, the outer wall of the wet cylinder sleeve is in direct contact with cooling liquid, the wall thickness is generally 5-8mm, radial positioning is realized by utilizing an upper positioning ring band and a lower positioning ring band, and axial positioning is realized by matching a flange at the upper part of the cylinder sleeve with a corresponding supporting surface at the top of the machine body.

1. The existing cylinder sleeve has poor sealing performance, is not waterproof, and is easy to leak water, so that the use of a cylinder body is influenced;

2. the outer part of the cylinder works under the conditions of high temperature, high pressure and high speed, the outer part of the cylinder is deformed, when bolts are subjected to pretightening force at the positions where a main bearing seat of the cylinder cover needs to be fastened, the axial direction of the cylinder is deformed, especially, when a plurality of bolts are unreasonably arranged, load deformation can be directly generated, generally, bolts such as the cylinder cover are most easily deformed, and the parallelism error between an upper plane and a lower plane of a cylinder body is generally generated by bolt pretightening force and heat load, so that the abrasion of the upper part of the cylinder is increased;

therefore, people urgently need a cylinder body with a self-sealing waterproof structure to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cylinder body with a self-sealing waterproof structure, which solves the problems that the cylinder sleeve proposed in the background technology has poor sealing performance, is not waterproof and is easy to leak, so that the use of the cylinder body is influenced; the cylinder is characterized in that the outer portion of the cylinder can deform when the cylinder works at high temperature, high pressure and high speed, when bolts are subjected to pretightening force at the positions where a main bearing seat of the cylinder cover needs to be fastened, the cylinder can deform in the axial direction, especially, when a plurality of bolts are unreasonably arranged, load deformation can be directly caused, bolts such as the cylinder cover are prone to deformation under the common condition, and the problem that the abrasion of the upper portion of the cylinder is increased due to the fact that the pretightening force and the heat load of the bolts are generally generated due to the parallelism error of the upper plane and the lower plane of the cylinder body.

In order to solve the technical problem, the utility model provides a following technical scheme: a cylinder body with a self-sealing waterproof structure comprises a cylinder sleeve and a cylinder assembly, wherein the cylinder sleeve is fixedly connected with one end of the cylinder assembly, the cylinder assembly comprises a body and a body shell, the cylinder sleeve is fixedly connected with one end of the body, a body hole is formed in one end of the body, the cylinder sleeve is arranged in the body hole, and the body shell is fixedly connected with the outer side of the body;

the cylinder sleeve, the cylinder cover and the piston jointly form a working space of the cylinder, the cylinder sleeve is simple in structure, the cylinder body is convenient to machine and cast, the cylinder body is in direct contact with cooling water, the heat dissipation is good, the dismounting is convenient, and the cooling of an engine is facilitated.

Furthermore, the top of the cylinder sleeve is fixedly connected with the hoop-shaped water cavity, a lower seam allowance is arranged on one side of the cylinder sleeve, the upper end of the cylinder sleeve is of a cylindrical seam allowance-free structure, and a supporting sealing seam allowance is arranged on the middle lower part of the cylinder sleeve;

the hoop-shaped water cavity is a rigid-flexible water storage tank and is sealed through the supporting sealing spigot end face of the lower portion of the cylinder sleeve.

Furthermore, a plurality of annular grooves are formed in the middle of the cylinder sleeve, and the side edges of the plurality of annular grooves are sequentially and correspondingly connected;

can guarantee through the ring channel that engine body shell compresses tightly the cylinder jacket, there is the reinforcing effect, the ring channel also has flexible effect, when the cylinder jacket is pressed from top to bottom, utilize the ring channel can reduce the atress of cylinder jacket, make the cylinder jacket can not produce because of the atress is too big and warp, thereby increase the adaptability of cylinder jacket, in addition, the ring channel can also increase the water capacity on cylinder jacket upper portion, play certain radiating effect, in order to strengthen the heat dissipation on cylinder jacket upper portion.

Furthermore, the outer diameter of one end of the cylinder liner is set to be D3-129 mm, the inner diameter of the same end of the cylinder liner is set to be D1-122 mm, the diameter of the other end of the cylinder liner is set to be D2-135 mm, the diameters of the plurality of annular grooves are set to be D4-134.5 mm, the heights of the plurality of annular grooves are set to be H4-10 mm, the longitudinal section arc radii of the plurality of annular grooves are set to be R-4 mm, the heights of the bottom ends of the plurality of annular grooves to one end of the cylinder liner are set to be H2-65 mm, the height of the cylinder liner is set to be H3-207 mm, and the height of the cylinder liner to the end face of the supporting sealing stopper is set to be H1-133 mm;

the cylinder sleeve adopts the size combination of the D1-D4, the H1-H4 and the R, and the adoption of the supporting sealing seam allowance is favorable for improving the sealing effect of the cylinder sleeve.

Furthermore, a buffer device is arranged on one side of the machine body and comprises a buffer seat, the buffer seat is in the shape of an annular groove, one end of the buffer seat is fixedly connected with the machine body shell, two first shock absorption pads and one second shock absorption pad are arranged inside the buffer seat, one end of the second shock absorption pad is fixedly connected with the bottom of the buffer seat, the other end of the second shock absorption pad is fixedly connected with the two first shock absorption pads, the end surfaces of one ends of the two first shock absorption pads and the end surface of the buffer seat are on the same horizontal plane, and one ends of the two first shock absorption pads are fixedly connected with the machine body shell;

can play absorbing effect to the organism through buffer, two first shock pads and a second shock pad are the eclipsed form and place for first shock pad forms the shockproof function of first layer, and the second shock pad forms the shockproof function of second layer, is favorable to reducing the wearing and tearing of organism, can improve the life of cylinder.

Furthermore, the upper plane and the lower plane of the machine body shell are both provided with fastening devices, each fastening device comprises two fastening plates, one ends of the two fastening plates are fixedly connected with the machine body, the other ends of the two fastening plates are rectangular, the two fastening plates are symmetrically arranged, and the rectangular ends of the two fastening plates are fixedly connected;

can prevent through fastener that engine body shell warp, utilize a set of mounting plate that sets up in opposite directions can make engine body shell's last plane and lower plane atress even, the pulling force through engine body one end makes the rectangle form end of mounting plate support mutually and leans on forming stable pulling force, can prevent effectively that engine body shell from warping because the shell that the bolt pretightning force produced.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. this cylinder organism is from taking sealed waterproof construction, and the cylinder jacket lower part does not set up the water seal circle, and the tang of lower part is sealed in the adoption, can reach sealed effect effectively.

2. The abrasion of the machine body shell can be effectively avoided through the buffer device, and the service lives of the cylinder and the cylinder sleeve can be prolonged; the deformation degree of the upper plane and the lower plane of the cylinder body can be effectively reduced by utilizing the fastening device, so that the abrasion deformation of the upper part of the cylinder is greatly reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural view of the machine body of the present invention;

fig. 2 is a schematic structural view of the cylinder liner of the present invention;

fig. 3 is a schematic structural view of the buffering device of the present invention;

fig. 4 is a schematic structural view of the fastening device of the present invention;

in the figure: 1. a cylinder liner; 2. a cylinder assembly; 3. a body; 4. a body housing; 5. a water chamber; 6. a lower spigot; 7. supporting the sealing seam allowance; 8. an annular groove; 9. a buffer device; 10. a buffer seat; 11. a first cushion pad; 12. a second cushion pad; 13. a fastening device; 14. a fastening plate; 15. a body hole.

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 work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-4, the present invention provides a technical solution: a cylinder body with a self-sealing waterproof structure comprises a cylinder sleeve 1 and a cylinder assembly 2, wherein the cylinder sleeve 1 is fixedly connected with one end of the cylinder assembly 2, the cylinder assembly 2 comprises a body 3 and a body shell 4, the cylinder sleeve 1 is fixedly connected with one end of the body 3, one end of the body 3 is provided with a body hole 15, the cylinder sleeve 1 is arranged in the body hole 15, the body shell 4 is fixedly connected with the outer side of the body 3, and the cylinder sleeve 1, the body 3 and a piston jointly form a working space of a cylinder;

the top of the cylinder sleeve 1 is fixedly connected with a hoop-shaped water cavity 5, a lower spigot 6 is arranged on one side of the cylinder sleeve 1, the upper end of the cylinder sleeve 1 is of a cylindrical spigot-free structure, a supporting sealing spigot 7 is arranged on the middle lower part of the cylinder sleeve 1, heat of the cylinder assembly 2 and the heat of the cylinder assembly itself in the machine body 3 are transferred to cooling water in the water cavity, so that the working temperature of the cooling water is proper, the water cavity 5 is hoop-shaped, so that the outer wall of the cylinder sleeve 1 is better contacted with cooling liquid, and the supporting sealing spigot 7 is used for self-sealing and water proofing;

the middle position of the cylinder sleeve 1 is provided with a plurality of annular grooves 8, and the side edges of the plurality of annular grooves 8 are sequentially and correspondingly connected;

the outer diameter of one end of the cylinder liner 1 is set to be D3-129 mm, the inner diameter of the same end of the cylinder liner 1 is set to be D1-122 mm, the diameter of the other end of the cylinder liner 1 is set to be D2-135 mm, the diameters of the plurality of annular grooves 8 are set to be D4-134.5 mm, the heights of the plurality of annular grooves 8 are set to be H4-10 mm, the longitudinal section arc radii of the plurality of annular grooves 8 are set to be R-4 mm, the heights from the bottom ends of the plurality of annular grooves 8 to one end of the cylinder liner 1 are set to be H2-65 mm, the height of the cylinder liner 1 is set to be H3-207 mm, and the height from one end of the cylinder liner 1 to the end face of the support seal stop 7 is set to be H1-133 mm;

a buffer device 9 is arranged on one side of the machine body 3, the buffer device 9 comprises a buffer seat 10, the buffer seat 10 is in the shape of an annular groove, one end of the buffer seat 10 is fixedly connected with the machine body shell 4, the buffer seat 10 is used for fixing a first shock pad 11 and a second shock pad 12, two first shock pads 11 and one second shock pad 12 are arranged inside the buffer seat 10, one end of the second shock pad 12 is fixedly connected with the bottom of the buffer seat 10, the other end of the second shock pad 12 is fixedly connected with the two first shock pads 11, one end faces of the two first shock pads 11 and one end face of the buffer seat 10 are on the same horizontal plane, one ends of the two first shock pads 11 are fixedly connected with the machine body shell 4, the two first shock pads 11 and the second shock pad 12 are used for reducing shock generated by high-power operation of the machine body, and the shock absorption effect of the first shock pads 11 is better by using the resilience of the second shock pad 12;

the upper plane and the lower plane of the machine body shell 4 are both provided with fastening devices 13, each fastening device 13 comprises two fastening plates 14, one ends of the two fastening plates 14 are fixedly connected with the machine body 3, the other ends of the two fastening plates 14 are rectangular, the two fastening plates 14 are symmetrically arranged, rectangular ends of the two fastening plates 14 are fixedly connected, the fastening plates 14 are used for horizontally tensioning the machine body shell 4, and the rectangular ends of the fastening plates 14 are used for horizontally balancing the stress;

the utility model discloses a theory of operation: when the cylinder body 3 operates, cooling water in the hoop-shaped water cavity 5 is attached to and cooled by the outer wall of the cylinder body 3, the cylinder body 3 is sealed by the aid of a self-sealing waterproof structure of the cylinder sleeve 1 pair and a supporting sealing spigot 7 end at the middle lower part of the cylinder sleeve 1, and accordingly the sealing effect is achieved;

the cylinder body 3 operates at high strength, at the moment, the first shock absorption pad 11 and the second shock absorption pad 12 bear heavy load and large deformation of components in the cylinder body 3, the second shock absorption pad 12 plays a role in buffering, and the cylinder works stably by using the shock insulation and noise reduction functions of the first shock absorption pad 11 and the second shock absorption pad 12;

meanwhile, the upper and lower planes of the machine body shell 4 are kept stable due to the fixing of the fastening plate 14, and the deformation amount of the machine body shell can be effectively reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cylinder organism with self sealss waterproof construction which characterized in that: the air cylinder sleeve structure is characterized by comprising an air cylinder sleeve (1) and an air cylinder assembly (2), wherein the air cylinder sleeve (1) is fixedly connected with one end of the air cylinder assembly (2), the air cylinder assembly (2) comprises a machine body (3) and a machine body shell (4), the air cylinder sleeve (1) is fixedly connected with one end of the machine body (3), a machine body hole (15) is formed in one end of the machine body (3), the air cylinder sleeve (1) is arranged in the machine body hole (15), and the machine body shell (4) is fixedly connected with the outer side of the machine body (3).

2. The cylinder body with the self-sealing waterproof structure as claimed in claim 1, wherein: cylinder jacket (1) top and hoop form water cavity (5) fixed connection, cylinder jacket (1) one side is equipped with down tang (6), cylinder jacket (1) upper end is cylindrical no tang structure, lower part is equipped with support sealing tang (7) in cylinder jacket (1).

3. The cylinder body with the self-sealing waterproof structure as claimed in claim 2, wherein: the middle position of the cylinder sleeve (1) is provided with a plurality of annular grooves (8), and the side edges of the annular grooves (8) are sequentially and correspondingly connected.

4. The cylinder body with the self-sealing waterproof structure as claimed in claim 3, wherein: the outer diameter of one end of the cylinder sleeve (1) is set to be D3-129 mm, the inner diameter of the same end of the cylinder sleeve (1) is set to be D1-122 mm, the diameter of the other end of the cylinder sleeve (1) is set to be D2-135 mm, the diameters of the plurality of annular grooves (8) are set to be D4-134.5 mm, the heights of the plurality of annular grooves (8) are set to be H4-10 mm, the longitudinal section arc radiuses of the plurality of annular grooves (8) are set to be R-4 mm, the heights of the bottom ends of the plurality of annular grooves (8) to one end of the cylinder sleeve (1) are set to be H2-65 mm, the height of the cylinder sleeve (1) is set to be H3-207 mm, and the height of one end of the cylinder sleeve (1) to the end face of the supporting sealing stop (7) is set to be H1-133 mm.

5. The cylinder body with the self-sealing waterproof structure as claimed in claim 1, wherein: organism (3) one side is equipped with buffer (9), buffer (9) are including buffer seat (10), buffer seat (10) are the annular groove form, buffer seat (10) one end and engine body shell (4) fixed connection, inside two first shock pads (11) and the second shock pad (12) of being equipped with of buffer seat (10), one second shock pad (12) one end and buffer seat (10) bottom fixed connection, one second shock pad (12) the other end and two first shock pads (11) fixed connection, two first shock pad (11) one end terminal surface and buffer seat (10) terminal surface are on same horizontal plane, two first shock pad (11) one end and engine body shell (4) fixed connection.

6. The cylinder body with the self-sealing waterproof structure as claimed in claim 1, wherein: the plane all is provided with fastener (13) on organism shell (4) and the lower plane, fastener (13) include two mounting plate (14), two mounting plate (14) one end and organism (3) fixed connection, two mounting plate (14) other end is established to the rectangle form, two mounting plate (14) symmetry sets up, two the rectangle form end fixed connection of mounting plate (14).