CN211901585U

CN211901585U - Integrated mechanical sealing device

Info

Publication number: CN211901585U
Application number: CN202020444461.9U
Authority: CN
Inventors: 明兴平; 杨宗迪; 吴波; 张霞
Original assignee: Zigong Chuanmi Environmental Protection Technology Co ltd
Current assignee: Zigong Chuanmi Environmental Protection Technology Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-10
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to the technical field of mechanical seal, in particular to a container type mechanical seal device which comprises a shaft sleeve, a gland, a fixed ring, a movable ring and a static ring; gland and solid fixed ring all set up on the axle sleeve, just the gland passes through rotating ring and quiet ring cooperation sealing connection with the axle sleeve, still includes the locating piece, the locating piece sets up in gland and solid fixed ring's the outside, the locating piece can be dismantled with solid fixed ring and be connected, the locating piece is used for gland and solid fixed ring's location, has solved conventional solid fixed ring and gland and need choose for use the screw of different specifications to install the location respectively on the axle sleeve, and whole in-process is wasted time and energy, influences the scene and should acutely, causes the problem of customer site production loss.

Description

Integrated mechanical sealing device

Technical Field

The utility model relates to a mechanical seal technical field especially relates to a collection dress formula mechanical seal device.

Background

Mechanical seal device mainly used food, weaving, machinery, electron, electricity generation, petroleum, chemical industry, coal, metallurgy, on the centrifugal pump of trade chemical industries such as cement and mine, at present, the mechanical seal device of general use is the cartridge type seal, regular cartridge type seal device's solid fixed ring and gland adopt the screw to fix a position respectively on the axle sleeve, because gu fixed ring and gland fixed position's tang size is different, thereby the screw specification of chooseing for use is also different, and then need choose the screw installation respectively for use to gu fixed ring and gland when leading to solid fixed ring and gland installation, waste time and energy in the whole process, influence the scene and respond acutely, cause the on-the-spot production loss of customer.

In view of the foregoing, there is a need for a cartridge type mechanical seal device.

Disclosure of Invention

To because solid fixed ring is different with gland fixed position's tang size to the screw specification of chooseing for use is also different, and then need choose the screw installation for use respectively to solid fixed ring and gland when leading to solid fixed ring and gland installation, whole in-process wastes time and energy the problem, the utility model aims to provide a collection dress formula mechanical seal device.

In order to achieve the above object, the utility model adopts the following technical scheme:

a cartridge mechanical seal device comprises a shaft sleeve, a gland, a fixed ring, a movable ring and a static ring; the gland and the fixing ring are both arranged on the shaft sleeve, the gland and the shaft sleeve are in matched sealing connection through the movable ring and the fixed ring, the locating block is arranged on the outer side of the gland and the fixing ring, the locating block is detachably connected with the fixing ring, and the locating block is used for locating the gland and the fixing ring.

This device still includes the locating piece, set up the locating piece in gland and solid fixed ring's the outside, the locating piece can be dismantled with solid fixed ring and be connected, it compresses tightly solid fixed ring to make the locating piece compress tightly through dismantling to be connected, the locating piece is located the position in the gland outside simultaneously the lock compresses tightly the gland, thereby play the effect to solid fixed ring and gland location, the locating piece is through being connected with solid fixed ring's dismantlement, can realize fixing a position simultaneously to solid fixed ring and gland, the screw that has solved conventional solid fixed ring and gland and need chooseing for use different specifications on the axle sleeve is installed the location respectively, whole in-process wastes time and energy, influence the scene and.

Preferably, a plurality of thread through holes are formed in the relative positions of the positioning block and the fixing ring, screws penetrate through the thread through holes, and the screws are rotated to achieve the effect that the positioning block simultaneously compresses the fixing ring and the gland.

Preferably, the gland includes gland back and gland afterbody, the external diameter of gland afterbody is the same with solid fixed ring's external diameter, the inner wall of locating piece contacts with the outer wall laminating of gland afterbody and solid fixed ring respectively, and the external diameter of gland afterbody is the same with solid fixed ring's external diameter, and the inner wall of locating piece contacts with the outer wall laminating of gland afterbody and solid fixed ring respectively, utilizes the screw evenly to turn round tight the locating piece and makes gland center and solid fixed ring center coincidence, can realize the effect that the fixed tang was replaced in the centering.

Preferably, it has first annular groove to open on the outer circumference of gland afterbody, gu fixed ring is equipped with the bulge, bulge and first annular groove adaptation, locating piece compress tightly the gland afterbody, and the bulge has the effect that the restriction gland removed in first annular groove, can avoid gland for locating piece axial slip in this device use.

Preferably, open on the outer circumference of axle sleeve has second annular groove, be equipped with the circlip in the second annular groove, circlip and solid fixed ring's one end looks butt connects through circlip and solid fixed ring's one end, has limiting displacement, can avoid solid fixed ring along axle sleeve axial displacement.

Preferably, follow the axial of gland afterbody is equipped with a plurality of chambeies that hold it is equipped with the elastic component to hold the intracavity, the one end and the quiet ring butt of elastic component, the other end and the bottom butt/fixed connection who holds the chamber, the both ends of elastic component respectively with the bottom and the quiet ring butt that hold the chamber, got rid of the throw-off collar between quiet ring and the elastic component, reinforcing seal transmission's reliability can.

Preferably, the device also comprises a movable fixed block, and the movable fixed block is provided with an occlusion part; a third annular groove is formed in the end face, close to the tail of the gland, of the back of the gland; the surface at third hoop recess and gland back form with the occlusal surface of the occlusal portion adaptation of activity fixed block, the activity fixed block passes through the occlusal surface cooperation at occlusal portion and gland back, make the activity fixed block set up on the gland back, set up a plurality of activity fixed block on the third hoop recess at the gland back, two liang of cooperations of activity fixed block, set up the screw between two activity fixed blocks, through screwing the screw, play the effect that compresses tightly the gland through the activity fixed block, can be as required, increase and satisfy and match with on-the-spot screw quantity at gland back activity fixed block quantity, adjust the screw size of the applicable arbitrary size of distance between the activity fixed block, the commonality is extremely strong.

Preferably, the movable fixing block is of a wedge-shaped structure, so that materials are saved, and the stability of the movable fixing block arranged on the back of the gland is good.

Preferably, the thread through holes are uniformly distributed along the fixing ring, screws penetrate through the thread through holes, the fixing ring can be uniformly compressed, and a good compression effect is achieved.

Compared with the prior art, the utility model has the advantages of: the utility model relates to a collection dress formula mechanical seal device, this device still includes the locating piece, set up the locating piece in gland and solid fixed ring's the outside, the locating piece can be dismantled with solid fixed ring and be connected, connect through dismantling and make the locating piece compress tightly solid fixed ring, the locating piece is located the position in the gland outside and the gland is compressed tightly to the lock simultaneously, thereby play the effect to solid fixed ring and gland location, the locating piece is through being connected with dismantling of solid fixed ring, can realize fixing a position when solid fixed ring and gland, the screw that conventional solid fixed ring and gland need chooseing for use different specifications on the axle sleeve is installed the location respectively, whole in-process wastes time and energy, influence the scene and should acutely, cause the.

The beneficial effects of other embodiments of the application are as follows:

1. and screws are penetrated in the threaded through holes and rotated to achieve the effect that the positioning block simultaneously compresses the fixing ring and the gland.

2. The external diameter size of gland afterbody is the same with solid fixed ring's external diameter size, the inner wall of locating piece contacts with the outer wall laminating of gland afterbody and solid fixed ring respectively, utilizes the screw evenly to turn round the tight locating piece and makes gland center and solid fixed ring center coincidence, can realize the effect of centering substitution fixed tang.

3. The positioning block compresses tightly the gland afterbody, and the bulge has the effect of restriction gland removal in first annular groove, can avoid this device in the use gland for the positioning block axial slip.

4. One end of the elastic retainer ring is grounded with one end of the fixing ring, so that the limiting function is achieved, and the fixing ring can be prevented from moving along the axial direction of the shaft sleeve.

5. The both ends of elastic component are connected with the bottom and the quiet ring that hold the chamber respectively, have got rid of the thrust ring between quiet ring and the elastic component, strengthen sealed driven reliability.

6. The interlock face cooperation that the activity fixed block passes through interlock portion and gland back, make the activity fixed block set up on the gland back, set up a plurality of activity fixed block on the third hoop recess at the gland back, two liang of cooperations of activity fixed block, set up the screw between two activity fixed blocks, through the screw of screwing, play the effect that compresses tightly the gland through the activity fixed block, can be as required, increase and satisfy and match with on-the-spot screw quantity at gland back activity fixed block quantity, the screw size of the applicable any size of distance between the adjustment activity fixed block, the commonality is extremely strong.

7. The appearance of activity fixed block is wedge structure, material saving to set up in the stability at gland back good.

8. The screw thread through-hole is along solid fixed ring evenly distributed, wears to adorn the screw in the screw thread through-hole, can evenly compress tightly solid fixed ring, plays good effect that compresses tightly.

Drawings

Fig. 1 is a schematic structural view of a cartridge type mechanical seal device of the present invention;

fig. 2 is a schematic structural view of the present invention viewed from above.

Reference numerals

1-shaft sleeve, 2-gland, 2 a-gland back, 2a 1-third annular groove, 2 b-gland tail, 2b 1-first annular groove, 2b 2-containing cavity, 3-fixing ring, 3 a-projecting part, 4-moving ring, 5-stationary ring, 6-positioning block, 7-elastic retainer ring, 8-elastic piece, 9-movable fixing block, 9 a-meshing part and 10-rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As shown in fig. 1 and fig. 2, the integrated mechanical sealing device of the embodiment includes a shaft sleeve 1, a gland 2, a fixed ring 3, a movable ring 4 and a stationary ring 5; the shaft sleeve 1 is arranged on the rotating shaft 10 in a penetrating way, the gland 2 and the fixed ring 3 are arranged on the shaft sleeve 1, the gland 2 and the shaft sleeve 1 are in matched sealing connection through the movable ring 4 and the static ring 5, the device also comprises a positioning block 6, the positioning block 6 is arranged on the outer sides of the gland 3 and the fixed ring 3, a plurality of thread through holes are arranged on the relative positions of the positioning block 6 and the fixed ring 3, screws are arranged in the thread through holes in a penetrating way, the screws are rotated to enable the positioning block 6 to press the fixed ring 3, the part of the positioning block 6, which is positioned on the outer side of the gland 2, is buckled with the gland 2 at the same time, so as to play a role in positioning the fixed ring 3 and the gland 2, the positioning block 6 can realize the simultaneous positioning of the fixed ring 3 and the gland 2 through the detachable connection with the fixed ring 3, the, the pressing effect is good, and the problems that screws of different specifications need to be selected and used for installation and positioning respectively on the shaft sleeve 1 for the conventional fixing ring 3 and the gland 2, time and labor are wasted in the whole process, the field response is affected, and the field production loss of customers is caused are solved.

The outer diameter of the gland tail part 2b is the same as that of the fixing ring 3, the inner wall of the positioning block 6 is in contact with the outer walls of the gland tail part 2b and the fixing ring 3 in a fitting mode respectively, the positioning block is evenly screwed by screws to enable the center of the gland 2 to coincide with the center of the fixing ring 3, and therefore the effect of centering instead of fixing a spigot can be achieved.

Locating piece 6 compresses tightly gland afterbody 2b, and bulge 3a has the effect that restriction gland 2 removed in first annular groove 2b1, can avoid gland 2 to slide for 6 axial of locating piece in this device use, and it has the second annular groove to open on the outer circumference of axle sleeve 1, be equipped with circlip 7 in the second annular groove, circlip 7 and solid fixed ring 3's one end looks butt connects through circlip 7 and solid fixed ring 3's one end ground, has limiting displacement, can avoid solid fixed ring 3 along 1 axial displacement of axle sleeve.

The both ends of elastic component 8 are connected with the bottom and the quiet ring 5 that hold chamber 2b2 respectively, have got rid of the thrust ring between quiet ring 5 and the elastic component 8, reinforcing seal transmission's reliable performance.

The movable fixed blocks 9 are wedge-shaped in appearance, materials are saved, the stability of the movable fixed blocks 9 arranged on the back 2a of the gland is good, the movable fixed blocks 9 are matched with the occlusal surface of the back 2a of the gland through the occlusion parts 9a, the movable fixed blocks 9 are arranged on the back 2a of the gland, a plurality of movable fixed blocks 9 are arranged on the third circumferential groove 2a1 of the back 2a of the gland, the movable fixed blocks 9 are matched in pairs, screws are arranged between the two movable fixed blocks 9, the two movable fixed blocks 9 play a supporting role, the end parts of the screws are matched with threaded holes on the centrifugal pump, the screws are screwed, the occlusion parts 9a of the fixed blocks 9 are matched with the occlusal surface of the back 2a of the gland to play a role of compressing the gland 2, the number of the movable fixed blocks 9 on the back 2a of the gland can be increased according to requirements, the number of the screws, the universality is extremely strong.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims

1. A cartridge mechanical sealing device comprises a shaft sleeve (1), a gland (2), a fixed ring (3), a movable ring (4) and a static ring (5); gland (2) and solid fixed ring (3) all set up on axle sleeve (1), just gland (2) and axle sleeve (1) are through rotating ring (4) and quiet ring (5) cooperation sealing connection, its characterized in that: still include locating piece (6), locating piece (6) set up in the outside of gland (2) and solid fixed ring (3), locating piece (6) can be dismantled with solid fixed ring (3) and be connected, locating piece (6) are used for the location of gland (2) and solid fixed ring (3).

2. A unit load type mechanical seal device according to claim 1, wherein: and a plurality of threaded through holes are formed in the relative positions of the positioning block (6) and the fixing ring (3).

3. A unit load type mechanical seal device according to claim 2, wherein: gland (2) are including gland back (2 a) and gland afterbody (2 b), the external diameter size of gland afterbody (2 b) is the same with the external diameter size of solid fixed ring (3), the inner wall of locating piece (6) contacts with the outer wall laminating of gland afterbody (2 b) and solid fixed ring (3) respectively.

4. A unit load type mechanical seal device according to claim 3, wherein: it has first annular groove (2 b 1) to open on gland afterbody (2 b), gu fixed ring (3) is equipped with bulge (3 a), bulge (3 a) and first annular groove (2 b 1) adaptation.

5. A unit load type mechanical seal device according to claim 4, wherein: a second annular groove is formed in the outer circumference of the shaft sleeve (1), an elastic check ring (7) is arranged in the second annular groove, and the elastic check ring (7) is abutted to one end of the fixing ring (3).

6. A unit load type mechanical seal device according to claim 3, wherein: follow the axial of gland afterbody (2 b) is equipped with a plurality of chambeies of holding (2 b 2) it is equipped with elastic component (8) in chamber (2 b 2) to hold, the one end and the quiet ring (5) butt of elastic component (8), the bottom butt/fixed connection of the other end and the chamber of holding (2 b 2).

7. A unit load type mechanical seal device according to claim 3, wherein: the device also comprises a movable fixed block (9), wherein the movable fixed block (9) is provided with an occlusion part (9 a); a third annular groove (2 a 1) is formed in the end face, close to the gland tail part (2 b), of the gland back part (2 a); the third annular groove (2 a 1) and the outer surface of the gland back (2 a) form an occlusal surface matched with the occlusion part (9 a) of the movable fixed block (9).

8. A unit load type mechanical seal device according to claim 7, wherein: the movable fixed block (9) is in a wedge-shaped structure.

9. A unit load type mechanical seal device according to claim 2, wherein: the thread through holes are uniformly distributed along the fixing ring.