CN214464796U

CN214464796U - Cylinder device

Info

Publication number: CN214464796U
Application number: CN202120168449.4U
Authority: CN
Inventors: 李颖高; 李东海; 吕绮峰
Original assignee: Baohua Haines Compressor Shanghai Co ltd
Current assignee: Baohua Haines Compressor Shanghai Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-10-22
Anticipated expiration: 2031-01-21

Abstract

The utility model provides a cylinder device, which is characterized in that the cylinder device comprises a cylinder body and a cooling water jacket; the cylinder body comprises a first connecting portion, a second connecting portion and a radiating portion, the cooling water jacket is installed on the side wall of the cylinder body, a cooling water cavity is formed by the first connecting portion, the second connecting portion, the radiating portion and the cooling water jacket, the radiating portion is arranged on the side wall of the cylinder body, and the first connecting portion is further provided with a water inlet and a water outlet. The utility model discloses the structure is unique, and the function of air-cooled cylinder and water-cooled cylinder can be realized to one set of mould of accessible to can realize the switching of air-cooled cylinder and water-cooled cylinder fast according to user's demand, reduce from production to each item cost of use, including mould cost, processing cost, inventory cost, administrative cost and each link of production and the time cost of user on-the-spot regulation.

Description

Cylinder device

Technical Field

The utility model belongs to the technical field of compressor and engine and specifically relates to a cylinder device.

Background

In the prior art, the air-cooled cylinder is an air-cooled cylinder structure, and the water-cooled cylinder is a water-cooled cylinder structure, for example, a cylinder block of an air-cooled piston air compressor disclosed in patent publication No. CN2448952Y includes a cylinder sleeve and a cylinder housing with cooling fins at the periphery of the cylinder sleeve, and the cylinder sleeve and the cylinder housing are two detachable split parts, and the upper parts of the two are in stepped fit. For another example, a novel water-cooled cylinder assembly disclosed in patent publication No. CN105134559B includes a cylinder head, a cylinder block, and a water jacket, wherein the cylinder head is disposed at one end of the cylinder block, the water jacket is disposed on an outer surface of the cylinder block, a plurality of annular fins are disposed between the cylinder block and the water jacket, the fins are perpendicular to the cylinder block, the fins are provided with openings, the openings are staggered, a water inlet is disposed at a bottom of one side of the water jacket, and a water outlet is disposed at a top of the other side of the water jacket.

However, both of them need to make separate moulds, so that the cost is high, meanwhile, the air-cooled type cylinder and the water-cooled type cylinder increase the types of products, the management cost is increased, the demand of separate products is reduced, the production cost of single products is increased, the quantity of stock products is increased during stock preparation, and the stock cost is increased. In addition, when the field conditions or requirements of users change, whether the air-cooled cylinder is changed into the water-cooled cylinder or the water-cooled cylinder is changed into the air-cooled cylinder, the traditional mode needs to replace the new cylinder, more time cost and material cost are consumed, and the shutdown loss of longer time is caused.

Therefore, it is necessary to provide a cylinder device to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cylinder device has overcome above-mentioned prior art not enough, and the function of air-cooled cylinder and water-cooled cylinder can be realized to one set of mould of accessible to can realize the switching of air-cooled cylinder and water-cooled cylinder fast according to user's demand, reduce from production to each item cost of use, including mould cost, processing cost, inventory cost, administrative cost and each link of production and the time cost of user field control.

In order to achieve the above object, the present invention provides a cylinder device, which comprises a cylinder body and a cooling water jacket; the cylinder body comprises a first connecting portion, a second connecting portion and a radiating portion, the cooling water jacket is installed on the side wall of the cylinder body, a cooling water cavity is formed by the first connecting portion, the second connecting portion, the radiating portion and the cooling water jacket, the radiating portion is arranged on the side wall of the cylinder body, and the first connecting portion is further provided with a water inlet and a water outlet.

The beneficial effects of the utility model reside in that: the cooling water cavity is a closed space among the first connecting part, the second connecting part, the heat radiating part and the cooling water jacket, so that cooling water circulates in the closed space to achieve the cooling effect of the water-cooled cylinder, the heat dissipation part accelerates the heat dissipation speed of the cylinder body of the cylinder to achieve the cooling effect of the air-cooled cylinder, the cooling water jacket is arranged on the side wall of the cylinder body of the cylinder, therefore, the switching between the air-cooled cylinder and the water-cooled cylinder can be realized rapidly by installing or disassembling the cooling water jacket according to the requirements of users, meanwhile, the air cylinder device can realize the functions of the air-cooled air cylinder and the water-cooled air cylinder through one set of die, and reduces various costs from production to use, including die cost, processing cost, inventory cost, management cost, time cost of each production link and on-site adjustment of a user.

Further, the cylinder device further comprises a cylinder cover, the first connecting portion comprises a first contact unit and a first boss, the first contact unit and the first boss are in contact connection with the cylinder cover, and the first boss is arranged between the heat dissipation portion and the first contact unit. The beneficial effects are that: first contact element is used for connecting fixedly the cylinder cap, reduced the processing area and guaranteed the casting quality of foundry goods, first boss be used for with cooling water jacket with the cylinder body forms the cooling water chamber, simultaneously, is convenient for cooling water jacket's setting gives cooling water jacket provides a platform that is used for fixing.

Further, the cylinder device further includes a crankcase, the second connecting portion includes a second contact unit and a second boss connected to the crankcase, and the second boss is disposed between the heat dissipation portion and the second contact unit.

The second connection portion includes a second contact unit and a second boss connected with the crankcase, and the second boss is disposed between the heat dissipation portion and the second contact unit. The beneficial effects are that: the second connecting portion is used for connecting and fixing the crankcase, and the second boss is used for forming a cooling water cavity through which cooling water circulates with the cooling water jacket, the cylinder body and the first boss.

Further, the cylinder device is further provided with a fixing part, and the fixing part is used for fixing the cylinder body and the cylinder cover. The beneficial effects are that: the fixing part is used for fixing the cylinder body and the cylinder cover.

Further, the fixing portion has a first end surface and a second end surface, the first end surface is coplanar with the first contact unit, and the height of the second end surface is lower than that of the first boss. The beneficial effects are that: the first end face of the fixing portion is coplanar with the first contact unit, and the height of the second end face is lower than that of the first boss, so that the fixing portion enables the cylinder cover, the first contact unit and the first boss to be tightly connected, and a better fixing effect is achieved.

Further, the cooling water jacket is provided with at least 2 positioning parts, and the axle center of each positioning part is higher than that of the corresponding first boss. The beneficial effects are that: the positioning portion is used for fixing the cooling water jacket and the cylinder body.

Furthermore, the heat dissipation part is a heat dissipation fin for increasing the heat dissipation area of the cylinder body. The beneficial effects are that: the radiating fins increase the radiating area of the cylinder body of the air cylinder, and improve the radiating efficiency.

Further, the cylinder device further comprises reinforcing ribs, and the reinforcing ribs are arranged between the radiating fins. The beneficial effects are that: the reinforcing ribs are used for supporting the radiating fins, and because the overhanging surfaces and the spans of the radiating fin structures are large, the loads which can be borne by the connecting surfaces of the radiating fins are limited, the reinforcing ribs are used for increasing the strength of the connecting surfaces, and the service life of the cylinder device is prolonged.

Further, the cylinder device is further provided with a sealing piece, and the sealing piece is arranged between the cylinder body and the cooling water jacket. The beneficial effects are that: the sealing element is used for sealing a gap between the cylinder body and the cooling water jacket and preventing cooling water in the cooling water cavity from overflowing.

Further, the sealing element is an O-shaped ring. The beneficial effects are that: the O-ring has good heat resistance and cold resistance, can resist compression deformation and has good resistance to neutral solvents.

Further, the cylinder device is further provided with a sealing gasket, and the sealing gasket is arranged between the first contact unit and the cylinder cover. The beneficial effects are that: the sealing gasket is used for sealing a connecting gap between the first contact unit and the cylinder cover and preventing cooling water from overflowing from the connecting gap between the first contact unit and the cylinder cover.

Further, the cooling water jacket is of a circular tube structure. The beneficial effects are that: the cooling water jacket is of a circular tube structure, is convenient to disassemble and assemble, and can quickly realize switching between the air-cooled cylinder and the water-cooled cylinder.

Drawings

Fig. 1 is a schematic view of a cylinder device after a cooling water jacket is cut away according to an embodiment of the present invention;

fig. 2 is a top view of a cylinder block according to an embodiment of the present invention;

fig. 3 is a front view of a cylinder device connected to a cylinder head according to an embodiment of the present invention;

fig. 4 is a top view of a crankcase in an embodiment of the invention;

fig. 5 is a schematic view of a cylinder block according to an embodiment of the present invention;

fig. 6 is a schematic top view of a cylinder device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are 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 belong to the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.

Aiming at the problems in the prior art, the cylinder device comprises a cylinder body and a cooling water jacket; the cylinder body comprises a first connecting portion, a second connecting portion and a radiating portion, the cooling water jacket is installed on the side wall of the cylinder body, a cooling water cavity is formed by the first connecting portion, the second connecting portion, the radiating portion and the cooling water jacket, the radiating portion is arranged on the side wall of the cylinder body, and the first connecting portion is further provided with a water inlet and a water outlet.

Taking the cylinder device shown in fig. 1, 2 and 5 as an example, the cylinder device 1 includes a cylinder block 11, a cooling water jacket 12; the cylinder body comprises a first connecting portion 111, a second connecting portion 112 and a heat radiating portion 113, the cooling water jacket 12 is mounted on the side wall of the cylinder body 11, the first connecting portion 111, the second connecting portion 112, the heat radiating portion 113 and the cooling water jacket 12 form a cooling water cavity 2, the heat radiating portion 113 is arranged on the side wall of the cylinder body 11, the first connecting portion 111 is further provided with a water inlet 14 and a water outlet 15, the cooling water cavity 2 provides a circulating space for cooling water, the cooling effect of the water-cooled cylinder is achieved, the heat radiating portion 113 accelerates the heat radiating speed of the cylinder body 11, and the cooling effect of the air-cooled cylinder is achieved.

In some specific embodiments, referring to fig. 1, fig. 2 and fig. 5, the first connection portion 111 is provided with 3

water inlets

14 and 3 water discharge holes 15 symmetrical to the water inlets 14, for circulating cooling water in the cooling water chamber 2.

In some specific embodiments, in conjunction with fig. 1 and 6, the cooling water jacket 12 is not installed when the cylinder is used as an air-cooled cylinder, and the cooling water jacket 12 and the sealing member 19 are installed when the user's demand changes and the water-cooled cylinder is needed.

In a preferred embodiment, the cooling water jacket 12 is a circular tube structure, and when a user needs to change the water-cooled cylinder into the air-cooled cylinder, the cooling water jacket 12 and the sealing member 19 are directly detached, and the cooling water jacket 12 is a circular tube structure, so that the air-cooled cylinder and the water-cooled cylinder can be rapidly switched.

Preferably, the cooling water jacket 12 is made of stainless steel, and has excellent corrosion resistance, formability and toughness.

In other specific embodiments, the material of the cooling water jacket 12 may be a non-metal material, such as rubber, resin or a synthetic fiber material, and the side wall of the cylinder block 11 is wrapped to form the cylinder device 1.

In some specific embodiments, as shown in fig. 1, 3 and 5, the cylinder device 1 further includes a cylinder head 3, the first connecting portion 111 includes a first contact unit 1111 and a first boss 1112 connected in contact with the cylinder head 3, the first boss 1112 is disposed between the heat sink portion 113 and the first contact unit 1111, the first contact unit 1111 is used for fixedly connecting the cylinder head 3, reducing a machining area and ensuring casting quality of a casting, the first boss 1112 is used for forming the cooling water cavity 2 with the cooling water jacket 12 and the cylinder block 11, and at the same time, the arrangement of the cooling water jacket 12 is facilitated, and a platform for fixing is provided for the cooling water jacket 12.

Preferably, a casting fillet is arranged between the first contact unit 1111 and the first boss 1112, so that defects such as sand sticking, shrinkage cavity and crack generation due to stress concentration at the intersection of the castings are prevented.

In some specific embodiments, as shown in fig. 1, 4 and 5, the cylinder device 1 further includes a crankcase 4, the second connecting portion 112 includes a second contact unit 1121 and a second boss 1122 connected to the crankcase 4, the second boss 1122 is disposed between the heat dissipating portion 113 and the second contact unit 1121, the second connecting portion 112 is configured to connect and fix the crankcase 4, and the second boss 1122 is configured to form the cooling water cavity 2 through which cooling water circulates with the cooling water jacket 12, the cylinder block 11 and the first boss 1112.

In some preferred embodiments, the second contact unit 1121 is a flange structure, and is connected and fixed to the crankcase 4 through the flange structure, and the flange structure has the characteristics of high strength and good sealing performance, and facilitates the mounting and dismounting of the cylinder device 1 on and from the crankcase 4.

In certain preferred embodiments, with reference to fig. 1, 3 and 5, the cylinder device 1 is further provided with a fixing portion 16, and the fixing portion 16 is used for fixing the cylinder block 11 and the cylinder head 3.

In some preferred embodiments, the fixing portion 16 has a first end surface 161 and a second end surface 162, the first end surface 161 is coplanar with the first contact unit 1111, and the second end surface 162 has a height lower than that of the first boss 1112, so that the fixing portion 16 tightly connects the cylinder head 3, the first contact unit 1111 and the first boss 1112, thereby achieving a better fixing effect.

In some preferred embodiments, the fixing portions 16 are 6 bolt holes symmetrically distributed, the cylinder head 3 is fixedly connected to the cylinder block 11 through 6 bolts, and the fixing portions 16 are symmetrically distributed along the axis of the cylinder device to prevent the cylinder device 1 from being stressed eccentrically and losing stability, and fix the cylinder block 11 and the cylinder head 3.

In some specific embodiments, as shown in fig. 1 and 5, the cooling water jacket 12 is provided with at least 2 positioning portions 17, and the axial center of the positioning portions 17 is higher than the first boss 1112, so as to fix the cooling water jacket 12 and the cylinder block 11.

In some preferred embodiments, the cooling water jacket 12 is further provided with 2 through holes 17 which are symmetrically distributed, and the through holes 17 are used for installing set screws to fix the cooling water jacket 12 on the cylinder block 11.

In some specific embodiments, the positioning portion on the cooling water jacket 12 may also be a clip structure or a thread structure, and the cooling water jacket 12 and the cylinder block 11 are connected by a clip connection or a thread connection.

Preferably, referring to fig. 1 and 2, when the positioning portion 17 is a through hole structure, the first contact portion has a curved surface 11111 that is matched with the through hole 17 of the cooling water jacket 12, so as to support the positioning screw passing through the through hole 17.

In some preferred embodiments, as shown in fig. 1 and 5, the heat dissipation portion 113 is a heat dissipation fin to increase the heat dissipation area of the cylinder block and improve the heat dissipation efficiency of the cylinder block 11.

In some specific embodiments, referring to fig. 1 and 5, the cylinder device 1 further includes reinforcing ribs 18, the reinforcing ribs 18 are disposed between the heat dissipation fins 113, the reinforcing ribs 18 are used to support the heat dissipation fins 113, and since the structure overhang and span of the heat dissipation fins 113 are large, the load that can be borne by the connection surfaces of the heat dissipation fins 113 is limited, so that the reinforcing ribs 18 are used to increase the strength of the connection surfaces and prolong the service life of the cylinder device 1.

Preferably, a casting fillet is arranged between the heat dissipation fin 113 and the reinforcing rib 18, so that defects such as sand adhesion, shrinkage cavity and cracks caused by stress concentration at the intersection of the casting are prevented.

In some specific embodiments, referring to fig. 1 and 6, the cylinder device 1 is further provided with a sealing member 19, the sealing member 19 is disposed between the cylinder block 11 and the cooling water jacket 12, and the sealing member 19 is used for sealing a gap between the cylinder block 11 and the cooling water jacket 12 and preventing the cooling water in the cooling water cavity 2 from overflowing.

Preferably, the sealing member 19 is an O-ring having good heat and cold resistance, resistance to compression deformation, and good resistance to neutral solvents.

Preferably, the material of the sealing element 19 is fluororubber, which has excellent high temperature resistance, good aging resistance, excellent chemical stability and excellent mechanical properties, and meanwhile, the fluororubber has excellent tear strength and small deformation rate during compression.

In some specific embodiments, as shown in fig. 1, 3 and 5, the cylinder device 1 is further provided with a gasket 10, the gasket 10 is disposed between the first contact unit 1111 and the cylinder head 3, and the gasket 10 is used to seal a connection gap between the first contact unit 1111 and the cylinder head 3 and prevent cooling water from overflowing from the connection gap between the first contact unit 1111 and the cylinder head 3.

Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the appended claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.

Claims

1. The cylinder device is characterized by comprising a cylinder body and a cooling water jacket; the cylinder body comprises a first connecting portion, a second connecting portion and a radiating portion, the cooling water jacket is installed on the side wall of the cylinder body, a cooling water cavity is formed by the first connecting portion, the second connecting portion, the radiating portion and the cooling water jacket, the radiating portion is arranged on the side wall of the cylinder body, and the first connecting portion is further provided with a water inlet and a water outlet.

2. The cylinder device according to claim 1, further comprising a cylinder head, wherein the first connection portion includes a first contact element in contact connection with the cylinder head and a first boss, and the first boss is disposed between the heat dissipation portion and the first contact element.

3. The cylinder device according to claim 1, further comprising a crankcase, wherein the second connection portion includes a second contact element and a second boss connected to the crankcase, and wherein the second boss is disposed between the heat dissipation portion and the second contact element.

4. The cylinder device according to claim 2, further comprising a fixing portion for fixing the cylinder block and the cylinder head.

5. The cylinder device according to claim 4, wherein the fixing portion has a first end surface coplanar with the first contact unit and a second end surface having a height lower than that of the first boss.

6. The cylinder device according to claim 2, wherein the cooling water jacket is provided with at least 2 positioning portions whose axial centers are higher than the first boss.

7. The cylinder device according to claim 1, wherein the heat radiating portion is a heat radiating fin for increasing a heat radiating area of the cylinder block.

8. The cylinder device according to claim 7, further comprising reinforcing ribs disposed between the heat dissipating fins.

9. The cylinder device according to claim 1, further comprising a seal member provided between the cylinder block and the cooling water jacket.

10. The cylinder assembly of claim 9, wherein the seal is an O-ring.

11. The cylinder device according to claim 2, characterized in that a gasket is further provided, which is arranged between the first contact element and the cylinder head.

12. The cylinder apparatus according to claim 1, wherein the cooling water jacket has a circular tube structure.