CN208966757U - A kind of oil cylinder collar bush with refrigerating function - Google Patents

Abstract

The utility model discloses a kind of oil cylinder collar bush with refrigerating function, including stainless steel casing, stainless steel layer and oil seal ring, the stainless steel casing is internally provided with water jacket, and water jacket is internally provided with water pipe, water inlet is installed above the water pipe, the stainless steel layer is internally provided with titanium alloy layer, and stainless steel layer is located at the middle part of water jacket, the titanium alloy layer is internally provided with wear-resisting steel layer, and wear-resisting steel layer is internally provided with limit sleeve, the limit sleeve is internally provided with spring, and limit sliding chutes are equipped with above spring.The oil cylinder collar bush with refrigerating function, the water jacket and water pipe of setting, cold water can carry out continued down to collar bush by the cooperation between water pipe and water jacket, the high temperature that collar bush generates is absorbed heat by cold water and is cooled down to collar bush, guarantee the steady and sustained work of collar bush, the effect of circulation temperature lowering is generated by the cooperation between inlet and outlet.

Description

A kind of oil cylinder collar bush with refrigerating function

Technical field

The utility model relates to oil cylinder technical field, specially a kind of oil cylinder collar bush with refrigerating function.

Background technique

Oil cylinder, that is, hydraulic cylinder, hydraulic cylinder are the directly proportional straight line fortune of the pressure difference on power output and piston effective area and its both sides Dynamic formula executive component, its function are that hydraulic energy is converted into mechanical energy, and the input quantity of hydraulic cylinder is the flow and pressure of fluid, Output is point-to-point speed and power, and the piston of hydraulic cylinder can complete straight reciprocating motion, and the straight-line displacement of output is limited , hydraulic cylinder is the energy conversion device that hydraulic energy is converted to the mechanical energy of linear reciprocating motion, and hydraulic cylinder is substantially by cylinder Cylinder and cylinder cap, piston and piston rod, sealing device, buffer unit and exhaust apparatus form, and buffer unit and exhaust apparatus view have Depending on body application, other devices are then essential.

Existing collar bush cannot reduce the inside that dust enters collar bush well, cannot carry out well to collar bush Steady and sustained cooling cannot well be sealed the lubricating oil inside collar bush, cannot enhance collar bush well certainly Body intensity, cannot wear-resisting and high temperature resistant well, the use demand of people is not well positioned to meet, for above situation, existing Technological innovation is carried out on the basis of some collar bushes.

Utility model content

The purpose of this utility model is to provide a kind of oil cylinder collar bush with refrigerating function, to solve above-mentioned background It proposes that existing collar bush cannot reduce the inside that dust enters collar bush well in technology, main shaft cannot be packed into well The steady and sustained cooling of row, cannot well be sealed the lubricating oil inside collar bush, cannot enhance collar bush well Self-strength, cannot well wear-resisting and high temperature resistant, be not well positioned to meet the use demand problem of people.

To achieve the above object, the utility model provides the following technical solutions: a kind of oil cylinder master with refrigerating function Axle sleeve, including stainless steel casing, stainless steel layer and oil seal ring, the stainless steel casing are internally provided with water jacket, and water jacket It is internally provided with water pipe, water inlet is installed above the water pipe, the stainless steel layer is internally provided with titanium alloy layer, and Stainless steel layer is located at the middle part of water jacket, and the titanium alloy layer is internally provided with wear-resisting steel layer, and the inside setting of wear-resisting steel layer There is limit sleeve, the limit sleeve is internally provided with spring, and limit sliding chutes are equipped with above spring, the limit sliding chutes Top is equipped with baffle, water outlet is equipped with below the water pipe, and bottom case is equipped with below water outlet, the oil seal ring Top rubber seal ring is installed, and oil seal ring is located at the top of wear-resisting steel layer, is equipped with above the rubber seal ring Guide sleeve, and dirt-proof boot is installed in the middle part of guide sleeve, the guide sleeve is internally provided with tie down screw.

Preferably, the cross section of the water jacket is set as annular structure, and about the vertical center of water jacket between water pipe Line is symmetrical.

Preferably, it is locally fitted closely between the interior surface of the stainless steel layer and the outer surface of titanium alloy layer, and It overlaps between the vertical centerline of titanium alloy layer and the vertical centerline of wear-resisting steel layer.

Preferably, the limit sleeve, which passes through, constitutes elastic construction between spring and baffle, and between baffle and limit sliding chutes To be slidably connected.

Preferably, in parallel and rubber seal ring, and the horizontal center line of oil seal ring hangs down the horizontal center line of the oil seal ring Directly in the central axes of wear-resisting steel layer.

Preferably, the guide sleeve, which passes through, constitutes detachable structure between tie down screw and stainless steel layer, and guide sleeve It overlaps between vertical centerline and the vertical centerline of dirt-proof boot, and the outside of dirt-proof boot is in pleated structure.

Compared with prior art, the utility model has the beneficial effects that

1. the water jacket and water pipe that there is the oil cylinder of refrigerating function collar bush to be arranged, cold water can pass through water pipe and water jacket Between cooperation to collar bush carry out continued down, by collar bush generate high temperature by cold water absorb heat to collar bush progress Cooling guarantees the steady and sustained work of collar bush, and the effect of circulation temperature lowering is generated by the cooperation between inlet and outlet；

2. the stainless steel layer being arranged, titanium alloy layer and wear-resisting steel layer make wear-resisting steel plate, titanium alloy layer and stainless steel layer three Between fit closely, wear-resisting steel plate can mitigate the mechanical wear between collar bush and oil cylinder installing component, slow down collar bush mill Speed is damaged, guarantees the work that collar bush can be lasting with long-time stable, the energy resistant to high temperature of collar bush can be improved in titanium alloy layer Power can mitigate influence of the high temperature variation of collar bush to cylinder efficient, and stainless steel layer can be with the weak corruption such as resistance to air, steam, water The erosion for losing medium delays the corrosion time of collar bush, guarantees that oil cylinder has reliable and stable ability to work, while abrasion-resistant stee Plate, titanium alloy layer and stainless steel layer three-layer protection layer improve the self-strength of collar bush；

3. the limit sleeve being arranged, spring and baffle, when cylinder efficient, piston pushes baffle along the vertical center of limit sleeve Line direction compressed spring, spring weaken the impact force that piston generates, and prevent from generating epistasis collision between piston and collar bush, cause Collar bush deforms or is recessed, and is easy to cause the accumulation of grease stain inside collar bush, reduces the working efficiency of oil cylinder, the oil of setting Seal ring and rubber seal ring, oil seal ring can be improved collar bush to the sealing effect of collar bush internal lubrication oil, guarantee collar bush The lubricant effect of internal cylinder body reduces the mechanical wear between collar bush and oil cylinder building block, guarantees that collar bush is stablized and continues Long-time use, when rubber seal ring can prevent cylinder efficient, grease stain enters the inside of collar bush, the guide sleeve of setting, Tie down screw and dirt-proof boot, dirt-proof boot can reduce the inside that external dust enters collar bush, grease stain prevented to be deposited in collar bush Inside, cause the friction between collar bush and oil cylinder group parts to aggravate, cause the collar bush rate of wear to be accelerated, collar bush makes Use service life reduction.

Detailed description of the invention

Fig. 1 is the utility model schematic view of the front view；

Fig. 2 is the utility model overlooking structure diagram；

Fig. 3 is partial enlargement structural representation at the A in the utility model Fig. 1.

In figure: 1, stainless steel casing；2, water pipe；3, water jacket；4, stainless steel layer；5, titanium alloy layer；6, wear-resisting steel layer；7, into The mouth of a river；8, bottom case；9, limit sleeve；10, spring；11, baffle；12, limit sliding chutes；13, water outlet；14, oil seal ring；15, rubber Sealing ring；16, guide sleeve；17, tie down screw；18, dirt-proof boot.

Specific embodiment

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 Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of oil cylinder main shaft with refrigerating function Set, including stainless steel casing 1, water pipe 2, water jacket 3, stainless steel layer 4, titanium alloy layer 5, wear-resisting steel layer 6, water inlet 7, bottom case 8, limit Position set 9, spring 10, baffle 11, limit sliding chutes 12, water outlet 13, oil seal ring 14, rubber seal ring 15, guide sleeve 16, locking screw Bar 17 and dirt-proof boot 18, stainless steel casing 1 be internally provided with water jacket 3, and water jacket 3 is internally provided with water pipe 2, water jacket 3 Cross section is set as annular structure, and the vertical centerline between water pipe 2 about water jacket 3 is symmetrical, and cold water can pass through Cooperation between water pipe 2 and water jacket 3 carries out continued down to collar bush, and the high temperature that collar bush generates is absorbed heat by cold water Cool down to collar bush, guarantee the steady and sustained work of collar bush, is generated by the cooperation between water inlet 7 and water outlet 13 The effect of circulation temperature lowering；

The top of water pipe 2 is equipped with water inlet 7, and the middle part of water jacket 3 is equipped with stainless steel layer 4, and the inside of stainless steel layer 4 It is provided with titanium alloy layer 5, titanium alloy layer 5 is internally provided with wear-resisting steel layer 6, and wear-resisting steel layer 6 is internally provided with limit sleeve 9, it is locally fitted closely between the interior surface of stainless steel layer 4 and the outer surface of titanium alloy layer 5, and titanium alloy layer 5 is vertical It overlaps between center line and the vertical centerline of wear-resisting steel layer 6, makes 4 three of wear-resisting steel plate, titanium alloy layer 5 and stainless steel layer Between fit closely, wear-resisting steel plate can mitigate the mechanical wear between collar bush and oil cylinder installing component, slow down collar bush mill Speed is damaged, guarantees the work that collar bush can be lasting with long-time stable, the energy resistant to high temperature of collar bush can be improved in titanium alloy layer 5 Power can mitigate influence of the high temperature variation of collar bush to cylinder efficient, and stainless steel layer 4 can be with the weak corruption such as resistance to air, steam, water The erosion for losing medium delays the corrosion time of collar bush, guarantees that oil cylinder has reliable and stable ability to work, while abrasion-resistant stee Plate, titanium alloy layer 5 and 4 three-layer protection layer of stainless steel layer improve the self-strength of collar bush；Limit sleeve 9 is internally provided with bullet Spring 10, and the top of spring 10 is equipped with limit sliding chutes 12, limit sleeve 9, which passes through, constitutes elasticity knot between spring 10 and baffle 11 Structure, and to be slidably connected between baffle 11 and limit sliding chutes 12, when cylinder efficient, piston pushes baffle 11 along limit sleeve 9 Vertical centerline direction compressed spring 10, spring 10 weaken the impact force that piston generates, prevent from generating between piston and collar bush Epistasis collision, causes collar bush to deform or be recessed, and is easy to cause the accumulation of grease stain inside collar bush, reduces the work of oil cylinder Efficiency；

The top of limit sliding chutes 12 is equipped with baffle 11, and the lower section of water pipe 2 is equipped with water outlet 13, and under water outlet 13 Side is equipped with bottom case 8, and the top of wear-resisting steel layer 6 is equipped with oil seal ring 14, and the top of oil seal ring 14 is equipped with rubber seal ring 15, the horizontal center line of oil seal ring 14 is in parallel with rubber seal ring 15, and the horizontal center line of oil seal ring 14 is perpendicular to abrasion-resistant stee The central axes of layer 6, oil seal ring 14 can be improved collar bush to the sealing effect of collar bush internal lubrication oil, guarantee inside collar bush The lubricant effect of cylinder body reduces the mechanical wear between collar bush and oil cylinder building block, guarantees the steady and sustained length of collar bush Time uses, and when rubber seal ring 15 can prevent cylinder efficient, grease stain enters the inside of collar bush, rubber seal ring 15 it is upper Side is equipped with guide sleeve 16, and the middle part of guide sleeve 16 is equipped with dirt-proof boot 18, guide sleeve 16 by tie down screw 17 with it is stainless Detachable structure is constituted between steel layer 4, and between the vertical centerline of guide sleeve 16 and the vertical centerline of dirt-proof boot 18 mutually It is overlapped, and the outside of dirt-proof boot 18 is in pleated structure, dirt-proof boot 18 can reduce the inside that external dust enters collar bush, prevent Only grease stain is deposited in the inside of collar bush, causes the friction between collar bush and oil cylinder group parts to aggravate, collar bush is caused to wear Speed is accelerated, and the service life of collar bush reduces, and guide sleeve 16 is internally provided with tie down screw 17.

Working principle: when using the oil cylinder collar bush with refrigerating function, firstly, by water inlet 7 by cold water The inside for importing water pipe 2 carries out continued down to collar bush by the cooperation between water pipe 2 and water jacket 3, collar bush is generated High temperature is absorbed heat by cold water cools down to collar bush, guarantees the steady and sustained work of collar bush, by water inlet 7 and goes out Cooperation between the mouth of a river 13 generates the effect of circulation temperature lowering, secondly, wear-resisting steel plate mitigates between collar bush and oil cylinder installing component Mechanical wear, slow down the collar bush rate of wear, titanium alloy layer 5 improves the ability resistant to high temperature of collar bush, mitigates collar bush High temperature changes the influence to cylinder efficient, and stainless steel layer 4 can delay to lead with the erosion of the weak corrosive medium such as resistance to air, steam, water The corrosion time of axle sleeve, while wear-resisting steel plate, titanium alloy layer 5 and 4 three-layer protection layer of stainless steel layer improve itself of collar bush Intensity, then, oil seal ring 14 improve collar bush to the sealing effect of collar bush internal lubrication oil, guarantee cylinder body inside collar bush Lubricant effect reduces the mechanical wear between collar bush and oil cylinder building block, when rubber seal ring 15 prevents cylinder efficient, oil Stain enters the inside of collar bush, causes the friction between collar bush and oil cylinder group parts to aggravate, the collar bush rate of wear is caused to add Fastly, finally, when cylinder efficient, piston pushes vertical centerline direction compressed spring 10 of the baffle 11 along limit sleeve 9, spring 10 Weaken the impact force that piston generates, prevents from generating epistasis collision between piston and collar bush, collar bush is caused to deform or occur recessed It falls into, is easy to cause the accumulation of grease stain inside collar bush, reduces the working efficiency of oil cylinder, here it is the oil cylinders with refrigerating function With the working principle of collar bush.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of oil cylinder collar bush with refrigerating function, including stainless steel casing (1), stainless steel layer (4) and oil seal ring (14), it is characterised in that: the stainless steel casing (1) is internally provided with water jacket (3), and water jacket (3) is internally provided with water It manages (2), is equipped with water inlet (7) above the water pipe (2), the stainless steel layer (4) is internally provided with titanium alloy layer (5), and stainless steel layer (4) is located at the middle part of water jacket (3), and the titanium alloy layer (5) is internally provided with wear-resisting steel layer (6), and Wear-resisting steel layer (6) is internally provided with limit sleeve (9), and the limit sleeve (9) is internally provided with spring (10), and spring (10) Top be equipped with limit sliding chutes (12), be equipped with baffle (11) above the limit sliding chutes (12), under the water pipe (2) Side is equipped with water outlet (13), and bottom case (8) are equipped with below water outlet (13), is equipped with above the oil seal ring (14) Rubber seal ring (15), and oil seal ring (14) is located at the top of wear-resisting steel layer (6), the top installation of the rubber seal ring (15) Have guide sleeve (16), and dirt-proof boot (18) are installed in the middle part of guide sleeve (16), the guide sleeve (16) is internally provided with lock Tight screw rod (17).

2. a kind of oil cylinder collar bush with refrigerating function according to claim 1, it is characterised in that: the water jacket (3) cross section is set as annular structure, and the vertical centerline between water pipe (2) about water jacket (3) is symmetrical.

3. a kind of oil cylinder collar bush with refrigerating function according to claim 1, it is characterised in that: the stainless steel Layer (4) interior surface and titanium alloy layer (5) outer surface between locally fit closely, and titanium alloy layer (5) it is vertical in It overlaps between heart line and the vertical centerline of wear-resisting steel layer (6).

4. a kind of oil cylinder collar bush with refrigerating function according to claim 1, it is characterised in that: the limit sleeve It (9) by constituting elastic construction between spring (10) and baffle (11), and is sliding between baffle (11) and limit sliding chutes (12) Connection.

5. a kind of oil cylinder collar bush with refrigerating function according to claim 1, it is characterised in that: the oil seal ring (14) horizontal center line is in parallel with rubber seal ring (15), and the horizontal center line of oil seal ring (14) is perpendicular to wear-resisting steel layer (6) central axes.

6. a kind of oil cylinder collar bush with refrigerating function according to claim 1, it is characterised in that: the guide sleeve (16) by constituting detachable structure, and the vertical centerline of guide sleeve (16) between tie down screw (17) and stainless steel layer (4) It overlaps between the vertical centerline of dirt-proof boot (18), and the outside of dirt-proof boot (18) is in pleated structure.