[go: up one dir, main page]

CN211900951U - Desulfurization circulating pump mechanical seal cohesion device - Google Patents

Desulfurization circulating pump mechanical seal cohesion device Download PDF

Info

Publication number
CN211900951U
CN211900951U CN202020325258.XU CN202020325258U CN211900951U CN 211900951 U CN211900951 U CN 211900951U CN 202020325258 U CN202020325258 U CN 202020325258U CN 211900951 U CN211900951 U CN 211900951U
Authority
CN
China
Prior art keywords
ring
clamping ring
clamping
shaft sleeve
circulating pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020325258.XU
Other languages
Chinese (zh)
Inventor
明兴平
杨宗迪
吴波
张霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zigong Chuanmi Environmental Protection Technology Co ltd
Original Assignee
Zigong Chuanmi Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zigong Chuanmi Environmental Protection Technology Co ltd filed Critical Zigong Chuanmi Environmental Protection Technology Co ltd
Priority to CN202020325258.XU priority Critical patent/CN211900951U/en
Application granted granted Critical
Publication of CN211900951U publication Critical patent/CN211900951U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model relates to the technical field of mechanical sealing devices, in particular to a mechanical sealing and holding device of a desulfurization circulating pump, which comprises a shaft sleeve, a compression ring and a clamping mechanism, wherein the compression ring is sleeved at one end of the shaft sleeve; the two inclined planes are oppositely arranged on the compression ring and respectively and gradually decrease along the extension directions of the two ends of the axis of the compression ring; the clamping mechanism comprises a first clamping ring, a second clamping ring and a plurality of fastening screws, the first clamping ring and the second clamping ring are respectively arranged on the two inclined surfaces, and the fastening screws are used for connecting the first clamping ring and the second clamping ring. The pressure on the inclined plane generates component force in the diameter direction of the shaft sleeve, and the outer wall of the shaft sleeve can deform in the process of being compressed, so that the shaft sleeve and the transmission shaft are tightly held, the transmission shaft cannot be damaged, and the disassembly and the assembly are very convenient.

Description

Desulfurization circulating pump mechanical seal cohesion device
Technical Field
The utility model relates to a mechanical seal device technical field, especially a desulfurization circulating pump mechanical seal cohesion device.
Background
At present, the double-end face, the spring is shared, balanced type, integrated mechanical seal device, by the extensive use in trades such as electricity generation, petroleum, chemical industry, coal, metallurgy, cement and mine, this kind of mechanical seal device generally includes the transmission shaft, the axle sleeve, the seal receptacle and set up the dynamic seal ring on the axle sleeve and set up the static seal ring on the seal receptacle, wherein the transmission shaft is the moving part, the axle sleeve needs to hold tight transmission with the transmission shaft, axle sleeve and transmission shaft pass through holding screw clench transmission among the prior art, holding screw also can cause the phenomenon such as the bite mark of large tracts of land, damage to the transmission shaft when clenching the transmission shaft, lead to mechanical seal device's old part to dismantle and new parts to change the difficulty.
In summary, there is a need for a technical solution to solve the technical problem that the surface of the transmission shaft is scratched and damaged due to the tight transmission between the transmission shaft and the shaft sleeve in the conventional mechanical sealing device by the way that the set screw penetrates through the threaded hole on the shaft sleeve to be seized with the transmission shaft.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: aiming at the technical problems that in the prior art, a mechanical sealing device exists, a set screw penetrates through a threaded hole in a shaft sleeve to be seized with a transmission shaft, so that the purpose of tightly holding the transmission shaft and the shaft sleeve for transmission is achieved, and the surface of the transmission shaft is bitten and damaged, the mechanical sealing device for the desulfurization circulating pump is provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
a mechanical seal holding device of a desulfurization circulating pump comprises a shaft sleeve, a compression ring and a clamping mechanism, wherein the compression ring is sleeved at one end of the shaft sleeve, the clamping mechanism is sleeved on the compression ring,
one end of the shaft sleeve, which is provided with the compression ring, is provided with a plurality of openings along the axial direction of the shaft sleeve;
the two inclined planes are oppositely arranged on the compression ring and respectively and gradually decrease along the extension directions of the two ends of the axis of the compression ring;
the clamping mechanism comprises a first clamping ring, a second clamping ring and a plurality of fastening screws, the first clamping ring and the second clamping ring are respectively arranged on the two inclined surfaces, and the fastening screws are used for connecting the first clamping ring and the second clamping ring.
The utility model relates to a desulfurization circulating pump mechanical seal enclasping device, through fastening screw with first clamp ring and second clamp ring take-up on two inclined planes of clamp ring, first clamp ring and second clamp ring exert pressure to the inclined plane, pressure on the inclined plane produces the component along the radial direction of axle sleeve, make the axle sleeve outer wall compressed tightly, and be provided with the opening on the axle sleeve, the axle sleeve outer wall produces deformation at the process that is compressed tightly, thereby make axle sleeve and transmission shaft enclasping, whole enclasping in-process is simple, enclasping is effectual, and can not cause the damage to the transmission shaft, it is all very convenient to dismantle and install.
As the utility model discloses a preferred scheme, be provided with on first clamp ring and the second clamp ring respectively a plurality of with the screw hole of fastening screw adaptation, the screw hole is followed the axis direction of axle sleeve sets up. And the fastening screw penetrates through the threaded holes on the first clamping ring and the second clamping ring to tension the first clamping ring and the second clamping ring, so that the first clamping ring and the second clamping ring are clamped on the two inclined surfaces of the pressing ring.
As a preferable aspect of the present invention, a plurality of the fastening screws are uniformly arranged in a circumferential direction of the first clamp ring. The first clamping ring and the second clamping ring can apply uniform pressure on the pressing ring.
As the utility model discloses a preferred scheme, a plurality of the opening is followed the circumference of axle sleeve is evenly arranged. Make the axle sleeve outer wall receive pressure after, can produce even deformation, make the axle sleeve better with holding effect of transmission shaft tightly.
As the utility model discloses a preferred scheme, be equipped with on the axle sleeve outer wall and be used for the installation clamping mechanism's spacing recess. On one hand, the clamping mechanism is convenient to mount, and on the other hand, the thickness of the shaft sleeve can be reduced, so that the shaft sleeve is easier to deform and lock with the transmission shaft after being pressed.
As the utility model discloses an optimal scheme, be equipped with a plurality of annular grooves on the axle sleeve inner wall, every be equipped with the elasticity circle in the annular groove. The assembly between the shaft sleeve and the transmission shaft is more compact, and the holding effect is better.
As the preferred scheme of the utility model, first clamp ring and second clamp ring are equipped with the fitting surface with the inclined plane adaptation of clamp ring respectively.
As the utility model discloses a preferred scheme, be equipped with at least one interval groove on the clamp ring, the interval groove sets up along the axis direction of clamp ring. Make the clamp ring does not communicate in the circumferencial direction, set up the interval groove on with the clamp ring and make the clamp ring be the disconnection form, after axle sleeve outer wall pressurized deformation, the diameter of clamp ring can diminish along with the diameter of axle sleeve, make clamping mechanism's pressure can the homogeneous action on the axle sleeve outer wall, it is better to hold the effect tightly, if the clamp ring adopts whole circle structure, after axle sleeve pressurized diameter diminishes, the clamp ring can become oval, make between clamp ring and the axle sleeve outer wall become the point contact by the face contact, thereby influence the holding tightly of axle sleeve and transmission shaft.
As the utility model discloses a preferred scheme, the quantity of interval groove is more than two, more than two the interval groove is followed clamp ring circumference is evenly arranged.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a desulfurization circulating pump mechanical seal enclasping device, first clamp ring and second clamp ring exert pressure to two inclined planes of clamp ring, the pressure on the inclined plane produces the component force of axle sleeve diameter direction, the axle sleeve outer wall that is provided with the opening can produce deformation in the process of being compressed tightly, thus make axle sleeve and transmission shaft enclasping, simple, enclasping effectually in the whole enclasping process, and can not cause the damage to the transmission shaft, dismantle and install all very conveniently;
2. the pressing ring is provided with the spacing grooves to be in a disconnected state, after the outer wall of the shaft sleeve is pressed and deformed, the diameter of the pressing ring can be reduced along with the reduction of the diameter of the shaft sleeve, so that the pressure of the clamping mechanism can be uniformly applied to the outer wall of the shaft sleeve, and the holding effect is better;
3. set up the annular groove on the axle sleeve inner wall, set up the elastic ring in the annular groove, make the assembly between axle sleeve and the transmission shaft inseparabler, hold the effect tightly better.
Drawings
FIG. 1 is a schematic view of a mechanical seal holding device of a desulfurization circulating pump according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is a schematic structural view of the bushing of FIG. 1;
FIG. 5 is a schematic view of the compression ring of FIG. 2;
FIG. 6 is a schematic structural view of a mechanical sealing and clasping device of a desulfurization circulating pump of the present invention;
the labels in the figure are: 1-shaft sleeve, 11-opening, 12-limiting groove, 13-annular groove, 2-pressing ring, 21-spacing groove, 3-clamping mechanism, 31-first clamping ring, 32-second clamping ring, 33-fastening screw, 4-elastic ring and 5-transmission shaft.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
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. 1-6, the mechanical seal clasping device for the desulfurization circulating pump of the present invention comprises a shaft sleeve 1, a clamp ring 2 and a clamping mechanism 3, wherein the clamp ring 2 is sleeved on one end of the shaft sleeve 1, the clamping mechanism 3 is sleeved on the clamp ring 2, the clamping mechanism 3 extrudes the end portion of the shaft sleeve 1 to be attached to a transmission shaft 5 through the clamp ring 2,
one end of the shaft sleeve 1, which is provided with the compression ring 2, is provided with a plurality of openings 11 along the axial direction of the shaft sleeve 1;
the compression ring 2 is relatively provided with two inclined planes, and the two inclined planes respectively gradually decrease along the extending directions of two ends of the axis of the compression ring 2; that is, the compression ring 2 is provided with two mutually symmetrical inclined planes, wherein one inclined plane gradually decreases along the extending direction of one end of the axis of the compression ring 2, and the other inclined plane gradually decreases along the opposite direction; that is, two inclined planes are oppositely arranged on the compression ring 2, and the inclined planes gradually decrease along the direction from the two inclined planes to the two axial ends of the compression ring 2.
The clamping mechanism 3 comprises a first clamping ring 31, a second clamping ring 32 and a plurality of fastening screws 33, wherein the first clamping ring 31 and the second clamping ring 32 are respectively arranged on two inclined surfaces, and the fastening screws 33 are used for connecting the first clamping ring 31 and the second clamping ring 32.
Specifically, a plurality of threaded holes matched with the fastening screws 33 are respectively arranged on the first clamping ring 31 and the second clamping ring 32, the threaded holes are arranged along the axial direction of the shaft sleeve 1, and the fastening screws pass through the threaded holes 33 on the first clamping ring 31 and the second clamping ring 32 to tension the first clamping ring 31 and the second clamping ring 32, so that the first clamping ring 31 and the second clamping ring 32 are clamped on two inclined surfaces of the pressing ring 2. Further, a plurality of the fastening screws 33 are uniformly arranged along the circumferential direction of the first clamping ring 31, so that the first clamping ring 31 and the second clamping ring 32 can uniformly apply pressure to the pressing ring 2.
Furthermore, a plurality of openings 11 are along the circumference of axle sleeve 1 is evenly arranged, makes 1 outer wall of axle sleeve receive pressure after, can produce even deformation, makes axle sleeve 1 and transmission shaft 5 hold the effect tightly better.
Further, be equipped with on the outer wall of axle sleeve 1 and be used for the installation clamping mechanism 3's spacing recess 12, on the one hand easy to assemble clamping mechanism 3, on the other hand can reduce the thickness of axle sleeve 1, makes axle sleeve 1 produce more easily after the pressurized and warp and hold tightly with transmission shaft 5.
Furthermore, a plurality of annular grooves 13 are formed in the inner wall of the shaft sleeve 1, and each annular groove 13 is internally provided with an elastic ring 4, so that the shaft sleeve 1 and the transmission shaft 5 are assembled more tightly, and the holding effect is better. Wherein the elastic ring is a structural member made of rubber materials.
Further, the first clamping ring 31 and the second clamping ring 32 are respectively provided with matching surfaces matched with the inclined surfaces of the pressing ring 2, that is, the first clamping ring 31 and the second clamping ring 32 are both provided with inclined surfaces matched with the inclined surfaces of the pressing ring 2, so that the matching between the clamping mechanism 3 and the pressing ring 2 is more stable, and the operation is safer.
Further, be equipped with at least one interval groove 21 on clamp ring 2, interval groove 21 sets up along clamp ring 2's axis direction, make clamp ring 2 does not communicate in the circumferencial direction, set up interval groove 21 on with clamp ring 2 and make clamp ring 2 be the disconnection form, after 1 outer wall pressurized deformation of axle sleeve, the diameter of clamp ring 2 can diminish along with axle sleeve 1's diameter diminishes and diminish, make clamping mechanism 3's pressure can evenly act on 1 outer wall of axle sleeve, it is better to hold the effect tightly, if clamp ring 2 adopts the whole circle structure, after 1 pressurized diameter of axle sleeve diminishes, clamp ring 2 can become oval, make between clamp ring 2 and the 1 outer wall of axle sleeve become the point contact by the face contact, thereby influence axle sleeve 1 and transmission shaft 2 hold tightly.
More progressive, the quantity of interval groove 21 is more than two, more than two interval groove 21 is followed 2 circumference of clamp ring are evenly arranged, when axle sleeve 1 diameter diminishes, the diameter of clamp ring 2 can evenly diminish along with axle sleeve 1 for be the face contact all the time between axle sleeve 1 and the clamp ring 2, compress tightly the effect better.
To sum up, the utility model relates to a desulfurization circulating pump mechanical seal embraces device tightly, through fastening screw 33 with first clamp ring 31 and second clamp ring 32 taut on two inclined planes of clamp ring 2, first clamp ring 31 and second clamp ring 32 exert pressure to the inclined plane, pressure on the inclined plane produces the component force along 1 radial direction of axle sleeve, make 1 outer wall of axle sleeve compressed tightly, and be provided with opening 11 on the axle sleeve 1, 1 outer wall of axle sleeve produces deformation at the process that is compressed tightly, thereby make axle sleeve 1 and transmission shaft 5 embrace tightly, whole embrace tightly the in-process simply, it is effectual to embrace tightly, and can not cause the damage to transmission shaft 5, it is all very convenient to dismantle and install.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A desulfurization circulating pump mechanical seal holding device is characterized by comprising a shaft sleeve (1), a compression ring (2) and a clamping mechanism (3), wherein the compression ring (2) is sleeved at one end of the shaft sleeve (1), the clamping mechanism (3) is sleeved on the compression ring (2),
one end of the shaft sleeve (1) provided with the compression ring (2) is provided with a plurality of openings (11) along the axial direction of the shaft sleeve (1);
the compression ring (2) is relatively provided with two inclined planes, and the two inclined planes respectively gradually decrease along the extension directions of two ends of the axis of the compression ring (2);
the clamping mechanism (3) comprises a first clamping ring (31), a second clamping ring (32) and a plurality of fastening screws (33), the first clamping ring (31) and the second clamping ring (32) are respectively arranged on the two inclined surfaces, and the fastening screws (33) are used for connecting the first clamping ring (31) and the second clamping ring (32).
2. The mechanical seal clasping device for the desulfurization circulating pump as described in claim 1, wherein said first clamping ring (31) and said second clamping ring (32) are respectively provided with a plurality of threaded holes adapted to said fastening screws (33), and said threaded holes are arranged along the axial direction of said shaft sleeve (1).
3. The mechanical seal clasping device of a desulfurization circulating pump according to claim 2, characterized in that a plurality of said fastening screws (33) are uniformly arranged along the circumferential direction of said first clamping ring (31).
4. The mechanical seal holding device of the desulfurization circulating pump according to claim 1, wherein a plurality of the openings (11) are uniformly arranged along the circumferential direction of the shaft sleeve (1).
5. The mechanical seal holding device of the desulfurization circulating pump according to claim 1, characterized in that the outer wall of the shaft sleeve (1) is provided with a limiting groove (12) for installing the clamping mechanism (3).
6. The mechanical seal holding device of the desulfurization circulating pump according to claim 1, wherein a plurality of annular grooves (13) are formed in the inner wall of the shaft sleeve (1), and an elastic ring (4) is arranged in each annular groove (13).
7. The mechanical seal clasping device of a desulfurization circulating pump as set forth in claim 1, characterized in that the first clamping ring (31) and the second clamping ring (32) are respectively provided with mating surfaces adapted to the inclined surfaces of the clamp ring (2).
8. The mechanical seal holding device of the desulfurization circulating pump according to any one of claims 1 to 7, characterized in that the clamp ring (2) is provided with at least one spacing groove (21), and the spacing groove (21) is arranged along the axial direction of the clamp ring (2).
9. The mechanical seal holding device of the desulfurization circulating pump according to claim 8, wherein the number of the spacing grooves (21) is two or more, and the two or more spacing grooves (21) are uniformly arranged along the circumferential direction of the clamp ring (2).
CN202020325258.XU 2020-03-16 2020-03-16 Desulfurization circulating pump mechanical seal cohesion device Active CN211900951U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020325258.XU CN211900951U (en) 2020-03-16 2020-03-16 Desulfurization circulating pump mechanical seal cohesion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020325258.XU CN211900951U (en) 2020-03-16 2020-03-16 Desulfurization circulating pump mechanical seal cohesion device

Publications (1)

Publication Number Publication Date
CN211900951U true CN211900951U (en) 2020-11-10

Family

ID=73322282

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020325258.XU Active CN211900951U (en) 2020-03-16 2020-03-16 Desulfurization circulating pump mechanical seal cohesion device

Country Status (1)

Country Link
CN (1) CN211900951U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112879448A (en) * 2021-01-26 2021-06-01 济南昊特工贸有限公司 Connecting shaft structure
CN114321384A (en) * 2021-12-28 2022-04-12 安徽亚兰密封件股份有限公司 Mechanical sealing system for solving lubrication

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112879448A (en) * 2021-01-26 2021-06-01 济南昊特工贸有限公司 Connecting shaft structure
CN112879448B (en) * 2021-01-26 2022-07-08 济南昊特工贸有限公司 Connecting shaft structure
CN114321384A (en) * 2021-12-28 2022-04-12 安徽亚兰密封件股份有限公司 Mechanical sealing system for solving lubrication

Similar Documents

Publication Publication Date Title
CN211900951U (en) Desulfurization circulating pump mechanical seal cohesion device
US11402040B2 (en) Clamp connector and a connecting component including the clamp connector
JPH0439492A (en) Quick connector
KR101195280B1 (en) Apparatus for connecting a insertional pipe
CN103133794A (en) Connector for connecting end parts of two pipes
CN108506307A (en) Buckle, product and application method
JP2018179288A (en) Sealed connection device
CN206509781U (en) A kind of connecting piece fastening device
CN216479432U (en) Card sleeve structure capable of being repeatedly used
CN201416717Y (en) Fast water pipe joint
CN113513526B (en) Rivet nut
RU201437U1 (en) RAILWAY VEHICLE BRAKE PIPE CONNECTOR
CN112628519B (en) High-pressure self-tightening type pipeline plug and application thereof
CN211525768U (en) Mining pump elastic flange
CN214618353U (en) Novel flange
CN214834093U (en) Screw-locking type connecting piece for end plate sleeve bearing platform
CN222992209U (en) Valve seat assembly and fixed ball valve adopting same
CN222937424U (en) Prevent not hard up withholding joint
CN220870303U (en) Water pump pipe connecting device
CN218935571U (en) Corrugated pipe assembly convenient to splice
CN223650042U (en) Pressure gauge convenient to installation
CN215949952U (en) Hanging wheel and mounting structure thereof and ceiling fan
CN211821208U (en) Clutch main cylinder oil inlet joint free of installation clamp
CN222848571U (en) A single flange plum high torque high speed flexible high precision spindle connection device
CN219588338U (en) Gas pipeline connecting device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant