CN218207796U - Rotary dynamic sealing structure for preventing cooling liquid from being blocked - Google Patents

Abstract

The utility model belongs to the technical field of rotatory seal structure that moves, especially, be a prevent coolant liquid jam's rotatory seal structure that moves, including the rotation axis, the outside of rotation axis is provided with the base, the rotation axis is provided with the bearing with the centre of base, one side of base is provided with the fastening lid, one side of fastening lid is provided with the midseat. The utility model discloses a set up the air inlet duct, the one-way piece, the groove of breathing in, it is protruding, the air discharge duct, fixing bolt, the dish spring, the setting element, buffer plate and buffer bearing, sealing mechanism after the improvement is at the rotation operation in-process, can realize rotating shaft surface cooling liquid clearance effect, can prevent effectively that the coolant liquid from getting into inside the rotation axis pivoted structure, improve seal structure's life, inside dish spring and punching piece can cushion the elimination effect to the vibrations of the produced level of rotation of axis of rotation and vertical direction simultaneously, avoid long-term use structure the not hard up condition to appear, improve sealed effect.

Description

Rotary dynamic sealing structure for preventing cooling liquid from being blocked

Technical Field

The utility model relates to a rotatory seal structure technical field that moves specifically is a rotatory seal structure that moves of anti-cooling liquid jam.

Background

The glass edge grinding machine is one of the earliest cold processing equipment with the largest use amount in glass mechanical deep processing equipment, is mainly suitable for processing furniture glass, building glass and craft glass, and plays a role in grinding and polishing the bottom edge and chamfer angle of common plate glass. The grinding heads can be adjusted at any angle between-45 degrees and 225 degrees, one grinding head needs to be provided with a motor for driving, so that the range of the installation angle of the motor is very large, the dynamic seal of a motor shaft can meet the protection requirement in each installation state, the motor protection produced in China at present adopts a framework seal roll arranged at an output shaft hole of an end cover, a labyrinth ring of about 1mm is additionally arranged between a grinding wheel seat and the end cover for sealing, and the seal with the structure can achieve a better sealing effect when the shaft extends above the horizontal position.

The prior art has the following problems:

general rotation seal structure is because the rotation effect in the use, and the outside coolant liquid can be along with the inside of the inside rotation axis entering structure of structure, the condition that the coolant liquid blockked up easily appears, and structural connection is inseparable simultaneously, and abnormal sound easily appears in the vibrations that the rotation axis rotation produced, and the result of use is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a rotatory seal structure that moves of anti-coolant liquid jam has solved the coolant liquid that exists now and can get into the inside of structure along with the inside rotation axis of structure, and the abnormal sound easily appears in the vibrations that the condition that the coolant liquid blockked up and rotation axis produced, the relatively poor problem of result of use.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a prevent rotatory seal structure that moves of coolant liquid jam, includes the rotation axis, the outside of rotation axis is provided with the base, the rotation axis is provided with the bearing with the centre of base, one side of base is provided with the fastening lid, one side of fastening lid is provided with the midseat, one side of midseat is provided with the exhaust seat, the inside of exhaust seat is provided with the inner ring, the inside of midseat is provided with the setting element, the one end of setting element is provided with the buffer plate, the one end of buffer plate is provided with the buffering bearing, the exhaust duct has been seted up to the exhaust seat, the centre of fastening lid and midseat is provided with fixing bolt, the draw-in groove has been seted up to the inner wall of inner ring, the centre of inner ring and exhaust seat is provided with the groove of breathing in, the inside in groove of breathing in is provided with the arch that is connected with the inner ring, the air inlet duct that is linked together with the groove of breathing in is seted up to the inside of exhaust seat.

As a preferred technical scheme of the utility model, fixing bolt's one end is provided with the dish spring, the fixed orifices has been seted up to the inside of fastening lid, fastening lid passes through fixed orifices, fixing bolt and base fixed connection.

As a preferred technical scheme of the utility model, the inner wall cross sectional shape of middle seat is isosceles trapezoid, the quantity of setting element is six, and the setting element is the outside of central symmetry distribution at the middle seat.

As an optimal technical scheme of the utility model, bellied quantity is six, and the arch is central symmetric distribution in the inside in suction channel, bellied size and suction channel's inside size phase-match.

As a preferred technical scheme of the utility model, the inside of draw-in groove is provided with the fixture block that is connected with the rotation axis, the size of fixture block and the inside size phase-match of draw-in groove, and the fixture block passes through draw-in groove and inner ring swing joint.

As a preferred technical scheme of the utility model, the inside of air inlet duct is provided with one-way piece, the quantity of air inlet duct is six, and the air inlet duct is the inside of central symmetric distribution at the exhaust seat.

Compared with the prior art, the utility model provides an anti-coolant liquid blocks up rotatory seal structure that moves possesses following beneficial effect:

1. this prevent rotatory seal structure that moves of coolant liquid jam is through setting up the air inlet duct, one-way piece, the groove of breathing in, arch and air discharge duct, sealing mechanism after the improvement is at the rotation operation in-process, the fixture block through the rotation axis surface and the joint action of draw-in groove, the rotation axis rotates can take the inner ring to rotate, the arch can rotate at the inslot portion of breathing in, when protruding process air inlet duct department, the pressure of the inslot portion of breathing in diminishes in the twinkling of an eye, external gas can get into the inside of air suction duct through the air inlet duct, when the air inlet duct of air suction passes through the air discharge duct, because pivoted speed is very fast, inspiratory gas can be discharged from rotation axis one end through the air discharge duct, the realization is to rotation axis surface coolant liquid clearance effect, can prevent effectively that the coolant liquid from getting into inside the rotation axis pivoted structure, improve seal structure's life.

2. This rotatory seal structure that moves that prevents coolant liquid jam is through setting up fixing bolt, dish spring, setting element, buffer plate and buffer bearing, and sealing mechanism after the improvement is rotating the use, and inside dish spring and buffering piece can be to the produced level of rotation axis and the vibrations of vertical direction carry out the buffering elimination effect, avoid long-term use structure not hard up condition to appear, improve seal structure's result of use.

Drawings

Fig. 1 is a schematic view of the structure of the rotary sealing structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A;

FIG. 3 is a schematic cross-sectional view of the exhaust seat.

In the figure: 1. a rotating shaft; 2. a base; 3. a bearing; 4. a fastening cover; 5. a middle seat; 6. an exhaust seat; 7. an inner ring; 8. a positioning member; 9. a buffer sheet; 10. a buffer bearing; 11. an exhaust duct; 12. fixing the bolt; 13. a disc spring; 14. a card slot; 15. an air suction groove; 16. a protrusion; 17. an air inlet groove; 18. a unidirectional sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-3, in this embodiment: a rotary dynamic sealing structure for preventing coolant from being blocked comprises a rotating shaft 1, a base 2 is arranged on the outer side of the rotating shaft 1, a bearing 3 is arranged between the rotating shaft 1 and the base 2, a fastening cover 4 is arranged on one side of the base 2, a middle seat 5 is arranged on one side of the fastening cover 4, an exhaust seat 6 is arranged on one side of the middle seat 5, an inner ring 7 is arranged inside the exhaust seat 6, a positioning piece 8 is arranged inside the middle seat 5, a buffering piece 9 is arranged at one end of the positioning piece 8, a buffering bearing 10 is arranged at one end of the buffering piece 9, an exhaust groove 11 is formed in the exhaust seat 6, a fixing bolt 12 is arranged between the fastening cover 4 and the middle seat 5, a clamping groove 14 is formed in the inner wall of the inner ring 7, an air suction groove 15 is formed between the inner ring 7 and the exhaust seat 6, a protrusion 16 connected with the inner ring 7 is arranged inside the air suction groove 15, and an air inlet groove 17 communicated with the air suction groove 15 is formed inside the exhaust seat 6.

In the embodiment, one end of the fixing bolt 12 is provided with the disc spring 13, the fastening cover 4 is internally provided with a fixing hole, and the fastening cover 4 is fixedly connected with the base 2 through the fixing hole and the fixing bolt 12, so that the acting force generated by vibration is buffered and eliminated, and the structural sealing effect is improved; the cross section of the inner wall of the middle seat 5 is in an isosceles trapezoid shape, the number of the positioning pieces 8 is six, and the positioning pieces 8 are distributed on the outer side of the middle seat 5 in a central symmetry manner, so that the structure is simple, reasonable and easy to realize; the number of the bulges 16 is six, the bulges 16 are distributed in the air suction groove 15 in a centrosymmetric manner, the size of the bulges 16 is matched with the internal size of the air suction groove 15, and the air suction effect is good; a clamping block connected with the rotating shaft 1 is arranged in the clamping groove 14, the size of the clamping block is matched with that of the clamping groove 14, and the clamping block is movably connected with the inner ring 7 through the clamping groove 14, so that the structure is reasonable and easy to realize; the air inlet grooves 17 are internally provided with one-way sheets 18, the number of the air inlet grooves 17 is six, and the air inlet grooves 17 are distributed in the exhaust seat 6 in a centrosymmetric manner, so that the one-way flow of air is ensured.

The utility model discloses a theory of operation and use flow: in the use process of the sealing structure, the inner rotating shaft 1 drives the inner ring 7 to rotate, the bulge 16 on the outer side of the inner ring 7 can move in the air suction groove 15, when the bulge 16 passes through the air inlet groove 17, the front bulge 16 moves to drive the external air to enter the air suction groove 15 from the air inlet groove 17, and the rear bulge 16 pushes the initial air to be discharged from the air discharge groove 11.

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 (6)

1. The utility model provides a prevent rotatory seal structure that moves of coolant liquid jam, includes rotation axis (1), its characterized in that: the utility model discloses a bearing assembly, including rotation axis (1), fastening cover (4), middle seat (5), exhaust seat (6), inner ring (7) are provided with to one side of base (2), the inside of middle seat (5) is provided with setting element (8), the one end of setting element (8) is provided with buffer plate (9), the one end of buffer plate (9) is provided with buffering bearing (10), exhaust groove (11) have been seted up to exhaust seat (6), the centre of fastening cover (4) and middle seat (5) is provided with fixing bolt (12), draw-in groove (14) have been seted up to the inner wall of inner ring (7), inner ring (7) and the centre of exhaust seat (6) are provided with air suction groove (15), the inside of air suction groove (15) is provided with arch (16) that are connected with inner ring (7), the inside of air suction seat (6) is seted up and is linked together with air inlet groove (17) that air suction groove (15) are linked together.

2. A coolant blocking resistant rotary dynamic seal structure according to claim 1, wherein: one end of the fixing bolt (12) is provided with a disc spring (13), a fixing hole is formed in the fastening cover (4), and the fastening cover (4) is fixedly connected with the base (2) through the fixing hole and the fixing bolt (12).

3. A coolant blocking resistant rotary dynamic seal structure according to claim 1, wherein: the inner wall cross-sectional shape of middle seat (5) is isosceles trapezoid, the quantity of setting element (8) is six, and setting element (8) are central symmetry and distribute in the outside of middle seat (5).

4. A coolant blockage prevention rotary dynamic seal structure as defined in claim 1, wherein: the number of the bulges (16) is six, the bulges (16) are distributed in the air suction groove (15) in a central symmetry manner, and the size of the bulges (16) is matched with the internal size of the air suction groove (15).

5. A coolant blocking resistant rotary dynamic seal structure according to claim 1, wherein: the clamping device is characterized in that a clamping block connected with the rotating shaft (1) is arranged in the clamping groove (14), the size of the clamping block is matched with the size of the inside of the clamping groove (14), and the clamping block is movably connected with the inner ring (7) through the clamping groove (14).

6. A coolant blockage prevention rotary dynamic seal structure as defined in claim 1, wherein: the air inlet grooves (17) are internally provided with one-way sheets (18), the number of the air inlet grooves (17) is six, and the air inlet grooves (17) are distributed in the exhaust seat (6) in a centrosymmetric manner.

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