CN111425267A

CN111425267A - Oil cooler

Info

Publication number: CN111425267A
Application number: CN202010259583.5A
Authority: CN
Inventors: 许宝宏
Original assignee: Hangzhou Hangmin Jiangdong Thermalelectricity Co ltd
Current assignee: Hangzhou Hangmin Jiangdong Thermalelectricity Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-07-17
Anticipated expiration: 2040-04-03
Also published as: CN111425267B

Abstract

The invention discloses an oil cooler, which comprises a first body, a second body arranged at the upper end of the first body and an end cover arranged at the upper end of the second body, and is characterized in that: the connecting mechanism is arranged between the second body and the end cover and comprises a first annular ring and a second annular ring, the first annular ring is arranged on the periphery of one end of the second body and is far away from the periphery of one end of the first body, the second annular ring is arranged on the periphery of the lower end of the end cover, an annular convex strip concentric with the first annular ring is arranged on the first annular ring, an annular slot for the insertion of the annular convex strip is arranged below the second annular ring, at least one group of plug connectors are elastically arranged on the circumferential side wall of the annular convex strip, and an insertion groove for the insertion of the plug connectors is formed in the inner wall of the annular slot. Through the scheme, the quick detachable connection of the end cover and the second body is realized, and then the quick detachable connection can be quickly disassembled and assembled and maintained and cleaned when needed.

Description

Oil cooler

Technical Field

The invention relates to the technical field of lubricating oil cooling equipment, in particular to an oil cooler.

Background

The oil cooler is turbine oil cooling equipment matched with a steam turbine in a power system, is of a light pipe surface type, and adopts circulating water as a medium to realize heat exchange, so that the oil temperature at the inlet of the bearing is ensured to reach a specified value, and the normal operation of a unit is ensured.

Closed cooling water enters the oil cooler through the top end cover of the oil cooler and then flows in a fine pipe inside the oil cooler, countless fine cooling water pipes are fixed through partition plates distributed inside the oil cooler, a plurality of small spaces are formed by the oil cooler at intervals through the partition plates, lubricating oil flows outside the cooling water pipes in an S shape, and therefore effective heat exchange area can be increased and cooling effect is improved. At the bottom of the oil cooler, a cooling water chamber is formed. The lubricating oil and the cooling water are separated and sealed by two O-shaped rings (rumble pipes) and a copper bed.

Among the present thermoelectric oil cooler, to clear up the oil wall of oil cooler, need unscrew all bolts and open the end cover after just can clear up oil cooler inside, this kind of bolted connection mode is too troublesome, and the bolt is easy wearing and tearing after long-term the use and lead to swiftly connecting the installation.

Disclosure of Invention

The invention aims to provide a sludge fermentation turner with rake teeth capable of being rapidly disassembled and replaced.

The invention is realized by the following technical scheme:

the oil cooler comprises a first body, a second body arranged at the upper end of the first body, and an end cover arranged at the upper end of the second body, wherein a connecting mechanism for connection is arranged between the second body and the end cover, the connecting mechanism comprises a first annular ring arranged at the periphery of one end of the first body and a second annular ring arranged at the periphery of the lower end of the end cover, an annular convex strip concentric with the first annular ring is arranged on the first annular ring, an annular slot for the insertion of the annular convex strip is arranged below the second annular ring, at least one group of plug connectors is elastically arranged on the circumferential side wall of the annular convex strip, and an insertion groove for the insertion of the plug connectors is formed in the inner wall of the annular slot.

Through adopting above-mentioned technical scheme, annular sand grip and annular slot between the first annular ring of accessible and the second annular ring cooperate when being connected with the end cover to realize swift butt joint, and the plug connector that sets up on the first annular ring in the annular sand grip will be with the second annular ring set up the inserting groove in the inserting groove when aiming at the time in the annular slot in the inserting groove in, and then realize being connected the joint of first annular ring and second annular ring, realize promptly swiftly realizing connecting first body and second body, convenient and fast.

Further setting the following steps: offer on the circumference lateral wall of annular sand grip and be used for the installation the mounting groove of plug connector, the fixed being provided with of mounting groove diapire is used for popping out the first spring of plug connector, the plug connector is for installing the grafting lug of mounting groove diapire one end is kept away from to first spring, the grafting lug is kept away from the one end of first spring is provided with the wedge portion that has the inclined plane, the inclined plane of wedge portion is being close to the ascending of the direction of first annular circle with distance between the first spring increases gradually, works as when first spring is in natural state, the wedge part stretches out the mounting groove, the second body with still be provided with between the end cover and push away from the elastic component of end cover, the degree of depth of annular slot is greater than annular sand grip is at the ascending length of axial.

By adopting the technical scheme, when the inserting convex block in the installing groove is inserted into the annular slot by the annular convex strip, because the wedge part at the end part of the plug-in lug can ensure that the inclined surface of the wedge part is abutted against the bottom edge of the annular slot, so that the inserting projection can be retracted into the mounting groove, and at the same time, the inserting projection can be inserted into the annular slot, when the mounting groove is aligned with the inserting groove in the annular slot, the inserting convex block can extend into the inserting groove under the action of the first spring, and the bottom surface of the inserting convex block is a plane, so that the inserting convex block is abutted against the side wall of the inserting groove, thereby realizing the connection between the end cover and the second body, simultaneously, the depth of the annular slot and the length of the annular convex strip in the axial direction enable the end cover to move downwards, the inclined surface of the insertion lug is retracted into the mounting groove in the downward pressing process of the insertion groove, and the end cover can be separated from the second body by rotating the end cover; meanwhile, the elastic piece arranged on the second body can be upwards pushed away from the end cover, so that the end cover can enable the insertion lug to be abutted against the side wall of the insertion groove under the condition of no external force to avoid the end cover from being pressed down under the action of gravity, the stable connection of the end cover and the second body is realized, and the end cover can be downwards pressed to overcome the elastic piece to realize the disassembly of the end cover when needed.

Further setting the following steps: the elastic piece is installed on the first annular ring and is located the circle of placing in the annular sand grip outside, place the circle with be provided with a plurality of second springs between the first annular ring.

Through adopting above-mentioned technical scheme, realize utilizing the second spring to offset the gravity of end cover self, and then make the end cover be connected with the help of grafting lug and second body joint under the no external force condition.

Further setting the following steps: the second body is far away from the top end of the first body, a coaxial sealing annular ring is upwards arranged on the inner edge of the top end of the first body, the inner diameter of the end cover is consistent with the outer diameter of the sealing annular ring, and the length of the sealing annular ring in the axial direction is larger than the distance between the mounting groove and the first annular ring.

Through adopting above-mentioned technical scheme, utilize sealed annular ring with realizing sealed butt joint between second body and the end cover, avoid appearing the space between the two and lead to the oil leak phenomenon.

Further setting the following steps: offer on the circumference lateral wall of annular sand grip and be used for the installation the mounting groove of plug connector, the fixed mounting groove diapire that is provided with is used for popping out the first spring of plug connector, the plug connector is for installing the grafting lug of mounting groove diapire one end is kept away from to first spring, the grafting lug is kept away from the one end of first spring is the spherical surface portion that the sphere set up, spherical surface portion is close to one side of first annular circle be with grafting lug coplane plane works as when first spring is in natural state, spherical surface portion part stretches out the mounting groove.

By adopting the technical scheme, the inserting lug can retract and be inserted and protruded by utilizing the collision between the spherical surface part of the end face of the inserting lug and the edge of the side wall of the inserting groove when the end cover rotates after the inserting end cover and the second body are inserted into the inserting groove in an elastic mode, so that the end cover and the second body can be unlocked, and the assembling and the disassembling are convenient.

Further setting the following steps: the distance between the spherical surface part and the first annular ring is equal to the distance between the insertion groove and the pair of annular rings.

By adopting the technical scheme, the splicing bulge is spliced into the splicing groove, no obvious gap exists between the rear end cover and the second body, and the normal use of the oil cooler is further ensured.

Further setting the following steps: the inner wall of one side of the bottom wall of the annular slot, which is far away from the insertion groove, is provided with a positioning groove downwards extending to the bottom surface of the second annular ring at the opening edge of the insertion groove, and the width of the positioning groove is consistent with that of the plug connector.

By adopting the technical scheme, the inserting convex block can conveniently and quickly directly upwards enter the inserting groove by virtue of the positioning groove, and the operation and the use are convenient.

Further setting the following steps: one end, far away from the end cover, of the second body is provided with a first flange, one end, close to the second body, of the first body is provided with a second flange, and the first flange is fixedly connected with the second flange through bolts.

Through adopting above-mentioned technical scheme, realize first body and the dismantlement of second body and be connected, can dismantle the equipment when needs.

In conclusion, the beneficial technical effects of the invention are as follows: the annular sand grip between the first annular ring of accessible and the second annular ring cooperates with annular slot and realizes swift butt joint when being connected with the end cover, the plug connector that sets up in the annular sand grip on the first annular ring will be aligned with the inserting groove of the annular slot that the second annular ring was seted up in the inserting groove, and then realize being connected the joint of first annular ring with the second annular ring, and the accessible rotates the mode of end cover and removes connection between them when needs are dismantled, realize swiftly connecting first body and second body promptly, and is convenient high-efficient.

Drawings

FIG. 1 is a schematic overall structure diagram of the first embodiment;

FIG. 2 is a vertical sectional view of the first embodiment;

FIG. 3 is an enlarged view of the area A in FIG. 2

FIG. 4 is an overall view of the second embodiment

FIG. 5 is a vertical sectional view of the second embodiment;

fig. 6 is an enlarged schematic view of the region B in fig. 5.

Reference numerals: 1. a first body; 2. a second body; 3. an end cap; 4. a first flange; 5. a second flange; 6. a first annular ring; 7. a second annular ring; 8. an annular rib; 9. an annular slot; 10. inserting grooves; 11. mounting grooves; 12. a first spring; 13. inserting the projection; 14. a wedge portion; 15. a second spring; 16. sealing the annular ring; 17. positioning a groove; 18. a spherical surface portion; 19. and placing the ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the oil cooler disclosed in the present invention includes a first body 1, a second body 2 disposed at an upper end of the first body 1, and an end cover 3 disposed at an upper end of the second body 2. Wherein, the one end that the end cover 3 was kept away from to second body 2 is provided with first flange 4, and the one end that first body 1 was close to second body 2 is provided with second flange 5, first flange 4 with pass through bolt fixed connection between the second flange 5.

Referring to fig. 1 and 2, simultaneously, a connection mechanism for connection is arranged between the second body 2 and the end cover 3, the connection mechanism includes a first annular ring 6 arranged on the second body 2 and away from the circumferential edge of one end of the first body 1 and a second annular ring 7 arranged on the circumferential edge of the lower end of the end cover 3, an annular convex strip 8 concentric with the first annular ring 6 is arranged on the first annular ring 6, an annular slot 9 for inserting the annular convex strip 8 is arranged below the second annular ring 7, and two groups of plug connectors respectively arranged at the same radial two ends of the annular convex strip 8 are elastically arranged on the circumferential side wall of the annular convex strip 8. The inner wall of the annular slot 9 is provided with a plug-in slot 10 for plug-in connection of the plug connector, and the circumferential side wall of the annular raised line 8 is provided with a mounting groove 11 for mounting the plug connector. The bottom wall of the mounting groove 11 is fixedly provided with a first spring 12 used for popping up the plug connector, the plug connector is an insertion lug 13 which is arranged at one end of the first spring 12 far away from the bottom wall of the mounting groove 11, and one end of the insertion lug 13 far away from the first spring 12 is provided with a wedge-shaped part 14 with an inclined plane. Wherein, the distance between the inclined plane of wedge portion 14 and first spring 12 in the direction that is close to first annular circle 6 increases gradually, and when first spring 12 was in natural state, wedge portion 14 part stretched out mounting groove 11, still was provided with the elastic component that pushes away from end cover 3 between second body 2 and the end cover 3, and simultaneously, the degree of depth of annular slot 9 is greater than annular sand grip 8 is at the ascending length of axial.

The elastic element is a placing ring 19 which is arranged on the first annular ring 6 and is positioned outside the annular convex strip 8, and a plurality of second springs 15 are arranged between the placing ring 19 and the first annular ring 6.

Referring to fig. 2 and 3, when the annular protruding strip 8 is inserted into the annular slot 9, the wedge portion 14 at the end of the insertion projection 13 causes the inclined surface of the wedge portion 14 to abut against the bottom edge of the annular slot 9, so that the insertion projection 13 retracts into the insertion slot 11, and at this time, the insertion projection 13 can be inserted into the annular slot 9, when the insertion slot 10 is aligned with the insertion slot 11 in the annular slot 9, the insertion projection 13 can extend into the insertion slot 10 under the action of the first spring 12, and because the bottom surface of the insertion projection 13 is a flat surface, the insertion projection 13 abuts against the side wall of the insertion slot 10, so as to achieve the connection between the end cover 3 and the second body 2, and simultaneously, the depth of the annular slot 9 and the axial length of the annular protruding strip 8 cause the end cover 3 to move downward, so that the inclined surface of the insertion projection 13 retracts into the insertion slot 11 during the downward pressing process of the insertion slot 10, at the moment, the end cover 3 is rotated to realize the separation of the end cover 3 and the second body 2; meanwhile, the second spring 15 arranged on the second body 2 can be pushed upwards away from the end cover 3, so that the end cover 3 can enable the insertion lug 13 to be abutted against the side wall of the insertion groove 10 under the condition of no external force to avoid the end cover 3 from being pressed downwards under the action of gravity, the stable connection between the end cover 3 and the second body 2 is realized, and the end cover 3 can be pressed downwards to overcome the elastic piece to realize the disassembly of the end cover 3 when needed.

Referring to fig. 3, in addition, a coaxial sealing annular ring 16 is upwards arranged on the top end of the second body 2 far away from the first body 1, the inner diameter of the end cover 3 is consistent with the outer diameter of the sealing annular ring 16, the length of the sealing annular ring 16 in the axial direction is greater than the distance between the mounting groove 11 and the first annular ring 6, and then the sealing annular ring 16 is used for realizing sealing butt joint between the second body 2 and the end cover 3, so that the oil leakage phenomenon caused by a gap between the second body and the end cover 3 is avoided.

Referring to fig. 3, a positioning groove 17 extending to the bottom surface of the second annular ring 7 is formed in the opening edge of the insertion groove 10 at the inner wall of one side of the bottom wall of the insertion groove 10, which is far away from the annular slot 9, and the groove width of the positioning groove 17 is consistent with the width of the insertion projection 13, so that the insertion projection 13 can conveniently and rapidly enter the insertion groove 10 by directly upwards using the positioning groove 17, and the operation and the use are convenient.

Example two:

referring to fig. 5 and fig. 6, the difference from the first embodiment is that the plug connector in the present embodiment is a plug protrusion 13 installed at one end of the first spring 12 far from the bottom wall of the installation groove 11, one end of the plug protrusion 13 far from the first spring 12 is a spherical surface portion 18 disposed in a spherical surface manner, one side of the spherical surface portion 18 close to the first annular ring 6 is a plane coplanar with the plug protrusion 13, when the first spring 12 is in a natural state, a part of the spherical surface portion 18 extends out of the installation groove 11, and a distance between the spherical surface portion 18 and the first annular ring 6 is equal to a distance between the plug groove 10 and the opposite annular ring. Furthermore, the insertion projection 13 can retract and insert the protrusion by abutting between the spherical part 18 of the end face of the insertion projection 13 and the edge of the side wall of the insertion groove 10 when the end cover 3 rotates after the end cover 3 and the second body 2 are clamped and inserted into the insertion groove 10, so that the end cover 3 and the second body 2 are unlocked, and the installation and the disassembly are convenient.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an oil cooler, includes first body (1), sets up in second body (2) of first body (1) upper end, sets up in end cover (3) of second body (2) upper end, its characterized in that: second body (2) and end cover (3) between be equipped with a coupling mechanism who is used for connecting, coupling mechanism including set up in second body (2) are kept away from first annular ring (6) on first body (1) one end week edge and set up in second annular ring (7) on end cover (3) low side week edge, be provided with on first annular ring (6) with concentric annular sand grip (8) of first annular ring (6), second annular ring (7) below is provided with the confession annular slot (9) that annular sand grip (8) were pegged graft, annular sand grip (8) circumference lateral wall is last at least elasticity is provided with a set of plug connector, offer the confession on annular slot (9) inner wall plug socket (10) that the plug connector was pegged graft.

2. An oil cooler as claimed in claim 1, wherein: offer on the circumference lateral wall of annular sand grip (8) and be used for installing mounting groove (11) of plug connector, mounting groove (11) diapire is fixed to be provided with and is used for popping out first spring (12) of plug connector, the plug connector is for installing first spring (12) keep away from grafting lug (13) of mounting groove (11) diapire one end, the one end that first spring (12) were kept away from to grafting lug (13) is provided with wedge portion (14) that have the inclined plane, the inclined plane of wedge portion (14) in the direction of being close to first ring (6) and the distance between first spring (12) is crescent, when first spring (12) is in natural state, wedge portion (14) part stretches out mounting groove (11), second body (2) with still be provided with between end cover (3) and push away from the elastic component of end cover (3), the depth of the annular slot (9) is larger than the length of the annular convex strip (8) in the axial direction.

3. An oil cooler as claimed in claim 2, wherein: the elastic piece is installed on the first annular ring (6) and is located a ring (19) placed on the outer side of the annular convex strip (8), and a plurality of second springs (15) are arranged between the ring (19) placed and the first annular ring (6).

4. A fuel cooler as claimed in claim 3, wherein: the inner edge of the top end, far away from the first body (1), of the second body (2) is provided with a coaxial sealing annular ring (16) upwards, the inner diameter of the end cover (3) is consistent with the outer diameter of the sealing annular ring (16), and the length of the sealing annular ring (16) in the axial direction is larger than the distance between the mounting groove (11) and the first annular ring (6).

5. An oil cooler as claimed in claim 1, wherein: offer on the circumference lateral wall of annular sand grip (8) and be used for the installation mounting groove (11) of plug connector, mounting groove (11) diapire is fixed to be provided with and is used for popping up first spring (12) of plug connector, the plug connector is for installing grafting lug (13) of mounting groove (11) diapire one end are kept away from in first spring (12), grafting lug (13) are kept away from the one end of first spring (12) is the spherical surface portion (18) that the sphere set up, spherical surface portion (18) are close to one side of first annular ring (6) be with grafting lug (13) coplane plane works as when first spring (12) are in natural state, spherical surface portion (18) part stretches out mounting groove (11).

6. An oil cooler as claimed in claim 5, wherein: the distance between the spherical surface part (18) and the first annular ring (6) is equal to the distance between the insertion groove (10) and the pair of annular rings.

7. An oil cooler according to any one of claims 1 to 6, characterized in that: the inner wall of one side, far away from the bottom wall of the annular slot (9), of the insertion groove (10) is provided with a positioning groove (17) downwards extending to the bottom surface of the second annular ring (7) at the opening edge of the insertion groove (10), and the groove width of the positioning groove (17) is consistent with that of the plug connector.

8. An oil cooler as claimed in claim 1, wherein: one end, far away from end cover (3), of second body (2) is provided with first flange (4), one end, close to second body (2), of first body (1) is provided with second flange (5), first flange (4) with through bolt fixed connection between second flange (5).