CN208845573U - The pivoting support of surface anticorrosive - Google Patents

Abstract

The utility model discloses a kind of pivoting support of surface anticorrosive, apply that the pivoting support corrosion resistance for solving in pivoting support field and announcing in the prior art is poor, is easy the technical issues of being corroded, its key points of the technical solution are that: including inner ring, outer ring；The lateral wall of inner ring is equipped with cricoid internal channel, and the inner sidewall of the outer ring is equipped with cricoid outer channel, steel ball is equipped between the internal channel and the outer channel；The outer channel includes carrying cambered surface and abuts cambered surface, and the direction of carrying cambered surface towards the inner ring extends beyond the centre of sphere of the steel ball；Sealing ring is equipped between the inner ring and the outer ring；The surface of the inner ring and outer ring is equipped with zinc film；The surface for having the technical effect that pivoting support having is equipped with erosion resistant coating, can preferably prevent the table of pivoting support to be corroded；And it is equipped with sealing ring between inner ring and outer ring, pivoting support surface and internal groove, steel ball is preferably avoided to be corroded.

Description

The pivoting support of surface anticorrosive

Technical field

The utility model relates to pivoting support field, in particular to a kind of pivoting support of surface anticorrosive.

Background technique

Currently, the Chinese patent that notification number is CN203412928U discloses a kind of pivoting support, it includes inner ring, outer ring Steel ball between inner ring and outer ring is equipped with a buckle in the outer ring, and for the interior snare on buckle, inner ring passes through buckle Outer ring is connected, the steel ball is located in the gap between inner ring and outer ring, and the inner ring is equipped with inner via hole, the inner ring and outer The porosity of circle is 0.25mm to 0.3mm.

Pivoting support is typically used in, and in food, chemical industry, often touches the mordant raw material of some bands, The pivoting support corrosion resistance announced in the prior art is poor, is easy to be corroded.

Utility model content

The purpose of the utility model is to provide a kind of pivoting supports of surface anticorrosive, its advantage is that the surface of pivoting support Equipped with erosion resistant coating, the table of pivoting support can be preferably prevented to be corroded；And sealing ring is equipped between inner ring and outer ring, preferably Avoid pivoting support surface and internal groove, steel ball from being corroded.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of surface anticorrosive Pivoting support, including inner ring and outer ring；

The lateral wall of the inner ring is equipped with cricoid internal channel, and the inner sidewall of the outer ring is equipped with cricoid outer fissure Slot is equipped with steel ball between the internal channel and the outer channel；The outer channel includes carrying cambered surface and abuts cambered surface, described to hold The direction for carrying cambered surface towards the inner ring extends beyond the centre of sphere of the steel ball；

Sealing ring is equipped between the inner ring and outer ring；

The surface of the inner ring and outer ring is equipped with zinc film.

Through the above technical solutions, the lateral wall of inner ring is equipped with cricoid internal channel, the inner sidewall of outer ring is equipped with ring The outer channel of shape is equipped with steel ball between internal channel and outer channel；Steel ball avoids directly contacting between inner ring and outer ring, steel ball Friction with inner ring, outer ring is changed into rolling friction, so that abrasion is smaller；Outer channel includes carrying cambered surface and abuts cambered surface, is held It carries cambered surface to extend towards the direction of inner ring, and is more than the centre of sphere of steel ball, so that the center of gravity of steel ball is located at carrying cambered surface On, carrying cambered surface can preferable support live steel ball so that steel ball place it is more stable；Sealing is equipped between inner ring and outer ring Circle, sealing ring is for preventing the lubricant grease in internal channel from overflowing；The surface of inner ring and outer ring is equipped with zinc film, and zinc film can Preferably to keep apart corrosive substance and inner ring, outer ring, avoid corroding；Even if zinc film is damaged, zinc film still can be with Inhibit the corrosion of iron as cation, and there is the sacrifice anti-corrosion function for electrochemical protection.

The utility model is further arranged to: sandblasting layer is equipped between the surface of the inner ring and outer ring and the zinc film.

Through the above technical solutions, being equipped with sandblasting layer between the surface and zinc film of inner ring and outer ring, sandblasting layer makes zinc film It is covered with the surface of inner ring and outer ring stronger.

The utility model is further arranged to: shoe cream room is equipped in the sealing ring, the sealing ring is close to the steel ball Side be equipped with oil outlet, the oil outlet is connected to the shoe cream room.

Through the above technical solutions, being equipped with shoe cream room in sealing ring, shoe cream room is for storing lubricant grease；It is set on sealing ring There is the oil outlet being connected to shoe cream room, the lubricant grease stored in shoe cream room can slowly be overflowed from oil outlet, preferably Steel ball is lubricated.

The utility model is further arranged to: the lateral surface of the inner ring is equipped with the first annular groove, sets in first annular groove There is the first sealing strip, first sealing strip is bonded with the end face of the outer ring；The medial surface of the outer ring is equipped with the second annular groove, The second sealing strip is equipped in second annular groove, second sealing strip is bonded with the end face of the inner ring.

Through the above technical solutions, the first sealing strip is embedded in the first annular groove on inner ring, and the end face with outer ring Fitting；Second sealing strip is embedded in the second annular groove on outer ring, and is bonded with the end face of inner ring；To preferably by inner ring It is blocked with the gap of outer ring, preferably prevents dust from entering in internal channel.

The utility model is further arranged to: first sealing strip is equipped with first tiltedly far from the side of first annular groove Face；Second sealing strip is equipped with the second inclined-plane far from the side of second annular groove.

Through the above technical solutions, the first sealing strip is equipped with the first inclined-plane, the second inclined-plane is equipped with the second inclined-plane；So that Using less material, bigger contact area is obtained, and stress concentrates on the transition position of inclined-plane and plane, So that the first sealing strip or the second sealing strip are preferably bonded with the end face of inner ring or outer ring, it is dust-proof into improving for a cloth Effect.

The utility model is further arranged to: the outer ring is equipped with fuel feed hole, and the fuel feed hole and the outer channel connect Logical, circumferencial direction of the fuel feed hole along the outer ring is uniformly provided with multiple.

Through the above technical solutions, outer ring is equipped with the fuel feed hole being connected to outer channel, it can be conveniently toward outer fissure Lubricant grease is injected in slot；Circumferencial direction uniform array of the fuel feed hole along outer ring has multiple, can pass through multiple and different fuel feed holes Lubricant grease is injected into outer channel, so that lubricant grease injection is more uniform.

The utility model is further arranged to: the fuel feed hole is threaded with oil nozzle, and the outer ring is equipped with accommodating hole, The accommodating hole is connected to the fuel feed hole, and dust cap is equipped in the accommodating hole.

Through the above technical solutions, fuel feed hole is threaded with oil nozzle, further facilitates and inject profit into outer channel Lubricating oil rouge, and lubricant grease is not easy to overflow；Oil nozzle is embedded in the accommodating hole on outer ring, and accommodating hole is sealed by dust cap, It preferably blocks dust to enter in oil nozzle, it is ensured that the leakproofness of oil nozzle avoids lubricant grease and overflows from oil nozzle.

The utility model is further arranged to: the outer ring is equipped with mounting hole, and the diameter of the mounting hole is greater than described The diameter of steel ball；It is equipped in the mounting hole and blocks plug.

Through the above technical solutions, steel ball is injected in the gap that mounting hole is used between internal channel and outer channel, thus So that installation steel ball is more convenient；It is equipped in mounting hole and blocks plug, blocked plug for mounting hole to be blocked column, avoid steel ball therefrom It falls, lubricant grease overflows；And it can preferably prevent external dust from entering in internal channel and outer channel, it is ensured that steel The stability that ball rolls.

The utility model is further arranged to: the inner ring, the outer ring are all made of 42CrMo steel and are made.

Be made through the above technical solutions, inner ring, outer ring are all made of 42CrMo steel, 42CrMo steel intensity with higher and Toughness, so that inner ring and outer ring intensity with higher and toughness, run so that more stable.

In conclusion the utility model has the following beneficial effects:

1, the surface of inner ring and outer ring is equipped with sandblasting layer, and sandblasting layer is equipped with zinc film, and sandblasting layer makes zinc film and material Surface covers stronger, not easily to fall off；And preferably corrosive substance can be isolated with inner ring and outer ring for zinc film It comes, avoids corroding；Even if zinc film is damaged, zinc film still can be used as the corrosion that cation inhibits iron, and have for electricity The sacrifice anti-corrosion function of chemoproection；

2, outer ring is equipped with fuel feed hole, and fuel feed hole is shown multiple along outer ring Circle-Array, and oil nozzle is threaded at fuel feed hole, Lubricant grease preferably can be injected into internal channel by oil nozzle, carry out oiling by multiple and different position oil nozzles, so that profit Lubricating oil rouge injects more uniform.

Detailed description of the invention

Fig. 1 is the whole structural schematic diagram of the present embodiment；

Fig. 2 is the spacing block of the present embodiment and the structural schematic diagram of steel ball assembly relation；

Fig. 3 is the structural schematic diagram of the closure plug and mounting hole connection relationship of the present embodiment；

Fig. 4 is the structural schematic diagram of the inside of the present embodiment；

Fig. 5 is the part A enlarged diagram of Fig. 4；

Fig. 6 is the sandblasting layer of the present embodiment and the structural schematic diagram of zinc film.

Appended drawing reference: 1, inner ring；2, outer ring；3, internal channel；4, outer channel；5, steel ball；6, cambered surface is carried；7, arc is abutted Face；8, sealing ring；9, zinc film；10, sandblasting layer；11, shoe cream room；12, oil outlet；13, the first annular groove；14, the first sealing strip； 15, the second annular groove；16, the second sealing strip；17, the first inclined-plane；18, the second inclined-plane；19, fuel feed hole；20, oil nozzle；21, it accommodates Hole；22, dust cap；23, plug is blocked；24, taper pin；25, spacing block；27, mounting hole；28, groove；29, taper pin-hole.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment:

With reference to Fig. 1, a kind of pivoting support of surface anticorrosive, including inner ring 1 and outer ring 2, outer ring 2 are set in inner ring 1 Outside.

With reference to Fig. 3, the lateral wall of inner ring 1 is equipped with cricoid internal channel 3, and the inner sidewall of outer ring 2 is equipped with cricoid outer Groove 4；Between internal channel 3 and outer channel 4 be equipped with steel ball 5, circumferencial direction array of the steel ball 5 along outer ring 2 be provided with it is multiple, two It is equipped with spacing block 25(between adjacent steel ball 5 and refers to Fig. 2).

With reference to Fig. 4, outer channel 4 includes carrying cambered surface 6 and abuts cambered surface 7, and carrying cambered surface 6 extends towards the direction of inner ring 1 More than the centre of sphere of steel ball 5, the center of gravity of steel ball 5 falls in the top of carrying cambered surface 6, so that the placement of steel ball 5 is more stable.

With reference to Fig. 4 and Fig. 5, sealing ring 8 is equipped between inner ring 1 and outer ring 2, periphery of the inner ring 1 close to outer ring 2 is equipped with Groove 28, sealing ring 8 are embedded in the recess 28；Shoe cream room 11 is equipped in sealing ring 8, shoe cream room 11 is communicated with oil outlet 12, out Oilhole 12 is towards the direction of steel ball 5；Shoe cream room 11 is slowly leaked for storing lubricant grease, lubricant grease by oil outlet 12 To between steel ball 5 and internal channel 3, outer channel 4, preferably reduce friction, to reduce abrasion, improves service life.

With reference to Fig. 4 and Fig. 5, inner ring 1 offers the first annular groove 13, and the first sealing strip 14 is embedded in the first annular groove 13, First sealing strip 14 is bonded with the end face of outer ring 2；The medial surface of outer ring 2 is equipped with the second annular groove 15, and the is equipped in the second annular groove 15 Two sealing strips 16, the second sealing strip 16 are bonded with the end face of inner ring 1；First sealing strip 14 and the second sealing strip 16 are for preventing ash Dirt enters in internal channel 3 and outer channel 4, avoids dust accumulation wherein, influences the rotation of inner ring 1.First sealing strip 14 is remote Side from the first annular groove 13 is equipped with the first inclined-plane 17, and the second sealing strip 16 is equipped with the second inclined-plane far from the side of the second annular groove 15 18。

With reference to Fig. 4, outer ring 2 is equipped with fuel feed hole 19, and fuel feed hole 19 has more along the circumferencial direction uniform array of internal channel 3 A, fuel feed hole 19 is connected to internal channel 3, and outer ring 2 is equipped with the accommodating hole 21 being coaxially disposed with fuel feed hole 19；Spiral shell in fuel feed hole 19 Line is connected with oil nozzle 20, and oil nozzle 20 is embedded in accommodating hole 21, so that the lateral wall of the non-bulging outer ring 2 of oil nozzle 20, accommodating hole 21 In be plugged with dust cap 22, dust cap 22 can be entered in oil nozzle 20 with blocks dust, it is ensured that the leakproofness of oil nozzle 20 avoids Lubricant grease is overflowed from oil nozzle 20.

With reference to Fig. 3 and Fig. 4, outer ring 2 is equipped with mounting hole 27, and mounting hole 27 is connected to internal channel 3, the diameter of mounting hole 27 Greater than the diameter of steel ball 5, steel ball 5 and spacing block 25 can be injected between internal channel 3 and outer channel 4 by mounting hole 27； It is inserted with closure plug 23 in mounting hole 27, blocks plug 23 and is fixed in mounting hole 27 by taper pin 24, offer taper pin on outer ring 2 Hole 29, taper pin 24 through taper pin-hole 29 and blocks plug 23 simultaneously, and taper pin 24 and taper pin-hole 29 are interference fitted；Blocking plug 23 can To block mounting hole 27, steel ball 5, spacing block 25 and lubricant grease is avoided to overflow from mounting hole 27.

With reference to Fig. 4 and Fig. 6, inner ring 1, outer ring 2 are all made of 42CrMo steel and are made, and the outer surface of inner ring 1 and outer ring 2 is equipped with Sandblasting layer 10, sandblasting layer 10 are to use pressure-air for power, push quartz sand high speed to be ejected into workpiece surface, make the table of workpiece Face forms one layer of sandblasting layer 10；The surface of sandblasting layer 10 is also coated with zinc film 9, and zinc film 9 is to be made using electric arc using compressed air For power, the zinc of molten condition is sprayed to the surface of workpiece, forms zinc film 9, sandblasting layer 10 makes zinc film 9 and inner ring 1 and outside The surface of circle 2 connects more secured, not easily to fall off；Zinc film 9 can be preferably by corrosive substance and inner ring 1 and outer ring 2 keep apart, and avoid corroding；Even if zinc film 9 is damaged, zinc film 9 still can be used as cation and inhibit the corrosion of iron, and have Sacrifice anti-corrosion function for electrochemical protection.

Installation process:

1, outer ring 2 and inner ring 1 are subjected to sandblasting and spray zinc processing first, are then built into the recessed of outer ring 2 for sealing ring 8 is embedding In slot 28, then the second sealing strip 16 is embedded into the second annular groove 15；

2, then inner ring 1 is pressed into outer ring 2, is aligned internal channel 3 with outer channel 4；

3, steel ball 5, spacing block 25 are injected between internal channel 3 and outer channel 4 again by mounting hole 27, and use closure Plug 23 blocks mounting hole 27, reuses taper pin 24 and is fixed on plug 23 is blocked in mounting hole 27；

4, lubricant grease is then injected into internal channel 3 by oil nozzle 20, after lubricant grease fills, reuses dust cap 22 Accommodating hole 21 is covered.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (9)

1. a kind of pivoting support of surface anticorrosive, including inner ring (1) and outer ring (2)；

It is characterized in that, the lateral wall of the inner ring (1) is equipped with cricoid internal channel (3), on the inner sidewall of the outer ring (2) Equipped with cricoid outer channel (4), steel ball (5) are equipped between the internal channel (3) and the outer channel (4)；The outer channel (4) Including carrying cambered surface (6) and cambered surface (7) are abutted, the direction of carrying cambered surface (6) towards the inner ring (1) extends beyond described The centre of sphere of steel ball (5)；

Sealing ring (8) are equipped between the inner ring (1) and outer ring (2)；

The surface of the inner ring (1) and outer ring (2) is equipped with zinc film (9).

2. the pivoting support of surface anticorrosive according to claim 1, which is characterized in that the outer ring (2) of the inner ring (1) Surface and the zinc film (9) between be equipped with sandblasting layer (10).

3. the pivoting support of surface anticorrosive according to claim 1, which is characterized in that be equipped in the sealing ring (8) Shoe cream room (11), the sealing ring (8) close to the steel ball (5) side be equipped with oil outlet (12), the oil outlet (12) with Shoe cream room (11) connection.

4. the pivoting support of surface anticorrosive according to claim 1, which is characterized in that the lateral surface of the inner ring (1) Equipped with the first annular groove (13), the first sealing strip (14), first sealing strip (14) and institute are equipped in first annular groove (13) State the end face fitting of outer ring (2)；The medial surface of the outer ring (2) is equipped with the second annular groove (15), sets in second annular groove (15) Have the second sealing strip (16), second sealing strip (16) is bonded with the end face of the inner ring (1).

5. the pivoting support of surface anticorrosive according to claim 4, which is characterized in that first sealing strip (14) is remote Side from first annular groove (13) is equipped with the first inclined-plane (17)；Second sealing strip (16) is far from second annular groove (15) side is equipped with the second inclined-plane (18).

6. the pivoting support of surface anticorrosive according to claim 1, which is characterized in that the outer ring (2) be equipped with into Oilhole (19), the fuel feed hole (19) are connected to the outer channel (4), circumference of the fuel feed hole (19) along the outer ring (2) Direction is uniformly provided with multiple.

7. the pivoting support of surface anticorrosive according to claim 6, which is characterized in that fuel feed hole (19) screw thread connects It being connected to oil nozzle (20), the outer ring (2) is equipped with accommodating hole (21), and the accommodating hole (21) is connected to the fuel feed hole (19), Dust cap (22) are equipped in the accommodating hole (21).

8. the pivoting support of surface anticorrosive according to claim 1, which is characterized in that the outer ring (2) is equipped with peace It fills hole (27), the diameter of the mounting hole (27) is greater than the diameter of the steel ball (5)；It is equipped in the mounting hole (27) and blocks plug (23)。

9. the pivoting support of surface anticorrosive according to claim 8, which is characterized in that the inner ring (1), the outer ring (2) 42CrMo steel is all made of to be made.