CN208457204U - A kind of electricity mechanical seal for pump component - Google Patents

Abstract

The utility model discloses a kind of electric mechanical seal for pump components, including main body, the main body is made of left seal box and right seal box, and shaft is installed in main body, spring base is installed in the left seal box, bellows is installed in the spring base, the first limit spring is arranged in the bellows, there are two magnetic patch and movable sealing block for equipment setting, when equipment uses, first magnetic patch can push always the second magnetic patch to move right due to the principle that identical charges repel each other, the second magnetic patch will make always movable sealing block push down the end face of stationary ring later, so that the endface presence very close to each other between stationary ring and rotating ring, even if equipment is longer using the time, so that activity sealing block can still move right gap of filling a vacancy when there is abrasion in end face, so that equipment will not intake easily, it will not impact the operation of equipment, user is without flower Take substantial contribution and energy overhauls, economic benefit is stronger compared with high practicability.

Description

A kind of electricity mechanical seal for pump component

Technical field

The utility model belongs to mechanical encapsulation devices technical field, and in particular to a kind of electricity mechanical seal for pump component.

Background technique

Mechanical seal refer to by least a pair of end face perpendicular to rotation axis Fluid pressure and compensation mechanism elastic force (or Magnetic force) under the action of and the cooperation of auxiliary seal under keep be bonded and constituted with respect to sliding prevent fluid leak dress It sets.Elastic force loading mechanism and auxiliary seal be metallicity line pipe mechanical seal we be known as the wavy metal seal of tube.Light-duty In sealing, there are also auxiliary seal is made using rubber bellows, rubber bellows elastic force is limited, generally requires and is aided with spring to expire Foot load elastic force." mechanical seal " is usually referred to as " machine envelope by people.

The mechanical seal component common currently on the market is generally faced with after equipment is used for a long time in people, and spring can go out It now follows the string or the lower situation of elasticity, and this will make occur serious infiltration drainage inside equipment, cause to set Standby to be unable to normal use, so that user needs that substantial contribution is spent to repair, economic benefit is lower not very practical；And mostly Number equipment when in use, will if reusing later due to using the end face of its longer rotating ring of time and stationary ring easily to intake So that infiltration situation aggravates, so that the normal use of equipment is affected, so that user has to take a significant amount of time and essence Power overhauls equipment, and the practicality is not strong；And most of equipment are after long-term use, once electric pump operation is lack of standardization or makes Just easily stop pin is caused to damage with abnormal, so that stationary ring is rotated together with rotating ring, to make water inlet in equipment, so that making User has to cost fund and energy overhauls equipment, and economic benefit is lower not very practical.

Utility model content

The purpose of this utility model is to provide a kind of electric mechanical seal for pump components, to solve to mention in above-mentioned background technique Out after equipment is used for a long time in people, spring, which will appear, to follow the string or the lower situation of elasticity, and this will make equipment There is serious infiltration drainage in inside, causes equipment to be unable to normal use, so that user needs that substantial contribution is spent to tie up It repairs, economic benefit is lower not very practical；And most of equipment are when in use, due to using its longer rotating ring of time and stationary ring End face easily intake, aggravated if reusing the situation that will to seep water later so that the normal use of equipment is affected, Equipment is overhauled with energy so that user has to take a significant amount of time, the practicality is not strong；And most of equipment exist It is lack of standardization or using easily stop pin being caused to damage once abnormal once electric pump operation after long-time service, so that stationary ring is with dynamic Ring rotates together, thus make water inlet in equipment, so that user has to cost fund and energy overhauls equipment, and warp The Ji lower not very practical problem of benefit.

To achieve the above object, the utility model provides the following technical solutions: a kind of electricity mechanical seal for pump component, including Main body, the main body is made of left seal box and right seal box, and shaft is equipped in main body, is equipped in the left seal box Spring base, the spring base are fixedly connected with shaft by screw, are equipped with bellows in the spring base, in the bellows It is arranged with the first limit spring, the second limit spring, and the right side of the first limit spring are arranged in first limit spring Throw-out collar is installed, seal ring of moving ring is installed on the right side of the throw-out collar, rotating ring is installed on the right side of the seal ring of moving ring, it is described Dry cotton piece set is installed, and the outer right wall of rotating ring offers insertion fixing groove, installation in the insertion fixing groove outside rotating ring There is the first magnetic patch, the second magnetic patch is installed on the right side of first magnetic patch, movable sealing is installed on the right side of second magnetic patch The outer right wall of block, the rotating ring is provided with fixed sealing block at the position close to shaft, and is equipped on the right side of rotating ring quiet Ring, the left side outer wall of the stationary ring and movable sealing block corresponding position are equipped with stationary ring sealing block, the side of the right seal box Wall opens up fluted with stationary ring corresponding position, and rotating block is equipped in the groove, is equipped with and turns below the rotating block Lever, the rotating bar is arranged with movable rotating block outside, is equipped with the second brake block below the activity rotating block, described quiet Stationary ring sealing ring is installed on the right side of ring, gland, the gland and stationary ring are installed by preventing on the right side of the stationary ring sealing ring It ships and resell on another market and is fixedly connected.

Preferably, the side wall of the stationary ring and the second brake block corresponding position offer braking card slot, and the right side of stationary ring Side outer wall and stop pin corresponding position offer anti-rotation card slot.

Preferably, the height number of first limit spring is greater than the height number of the second limit spring.

Preferably, the outer diameter numerical value of the stationary ring is equal to the internal diameter numerical value of right seal box.

Preferably, the movable sealing block is made of fixed frame and sealing movable block, and the fixed frame and rotating ring are logical It crosses screw to be fixedly connected, the height number of second magnetic patch is equal to the height number of movable sealing block.

Compared with prior art, the utility model has the beneficial effects that the device structure is scientific and reasonable safe and convenient to use, And there are two magnetic patch and movable sealing block for equipment setting, when equipment in use, the first magnetic patch can be due to the principle that identical charges repel each other Push the second magnetic patch to move right always, the second magnetic patch will make always movable sealing block push down the end face of stationary ring later, so that Endface presence very close to each other between stationary ring and rotating ring, even if equipment is longer using the time, so that activity when there is abrasion in end face The sealing block gap of filling a vacancy that can still move right will not impact the operation of equipment, make so that equipment will not intake easily For user without spending substantial contribution and energy to overhaul, economic benefit is stronger compared with high practicability；And there are two limits for equipment setting Position spring, when equipment is due to using the time longer, so that when following the string occurs in one of spring or elasticity is lower situation, There are also the presence of another spring make equipment still can normal use, which obviate occur serious infiltration leak inside equipment to show As so that user is without spending substantial contribution and time to repair, and it makes equipment the service life is longer, economic benefit It is stronger compared with high practicability；And the equipment is provided with the second brake block, when user uses equipment, can rotate rotating block, make It obtains movable rotating block to move down to be pressed into the second brake block in braking card slot, so that the position of stationary ring is fixed more firm Gu while the power that the presence of the second brake block also may make stop pin to be born is not too large, even if electric pump operation it is lack of standardization or Stop pin will not be made to damage using abnormal its, avoid stationary ring as rotating ring rotates together, to make water inlet in equipment, made User has to cost fund and the case where energy overhauls equipment, economic benefit compared with high practicability compared with By force；And the equipment is provided with dry cotton piece set, when penetrating into a small amount of water inside equipment, dry cotton piece set can at once be absorbed water, The case where equipment inner body is rusted generation is avoided, so that equipment may continue to using so that user is without when spending Between overhauled with energy, economic benefit is stronger compared with high practicability.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the outside drawing of the utility model；

Fig. 3 is the right seal box main view sectional view of the utility model；

Fig. 4 is the rotating ring main view partial sectional view of the utility model；

Fig. 5 is the stationary ring main view of the utility model；

Fig. 6 is the rotating block enlarged drawing in Fig. 1.

In figure: the left seal box of 1- main body, 2-, the right seal box of 3-, 4- shaft, 5- spring base, 6- bellows, 7- first are limited Spring, the second limit spring of 8-, 9- throw-out collar, 10- seal ring of moving ring, 11- rotating ring, 12- dry cotton piece set, 13- is embedded in fixing groove, The fixed sealing block of the first magnetic patch of 14-, the second magnetic patch of 15-, 16- activity sealing block, 17-, 18- groove, 19- rotating block, 20- rotation Bar, 21- activity rotating block, the second brake block of 22-, 23- stationary ring, 24- stationary ring sealing ring, 25- gland, 26- stop pin.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of electricity mechanical seal for pump component, including master Body 1, main body 1 is made of left seal box 2 and right seal box 3, and shaft 4 is equipped in main body 1, is equipped with bullet in left seal box 2 Spring abutment 5, spring base 5 are fixedly connected with shaft 4 by screw, and bellows 6 is equipped in spring base 5, and is arranged in bellows 6 One limit spring 7 is arranged with the second limit spring 8 in first limit spring 7, and the right side of the first limit spring 7 is equipped with and pushes away Ring 9, the right side of throw-out collar 9 are equipped with seal ring of moving ring 10, and the right side of seal ring of moving ring 10 is equipped with rotating ring 11, installs outside rotating ring 11 There is dry cotton piece set 12, and the outer right wall of rotating ring 11 offers insertion fixing groove 13, is embedded in fixing groove 13 and is equipped with first Magnetic patch 14, the right side of the first magnetic patch 14 are equipped with the second magnetic patch 15, and the right side of the second magnetic patch 15 is equipped with movable sealing block 16, move The outer right wall of ring 11 is provided with fixed sealing block 17 at the position close to shaft 4, and the right side of rotating ring 11 is equipped with stationary ring 23, the left side outer wall of stationary ring 23 and movable 16 corresponding position of sealing block are equipped with stationary ring sealing block, the side wall of right seal box 3 with 23 corresponding position of stationary ring opens up fluted 18, and rotating block 19 is equipped in groove 18, and the lower section of rotating block 19 is equipped with rotation Bar 20, rotating bar 20 are arranged with movable rotating block 21 outside, and the lower section of movable rotating block 21 is equipped with the second brake block 22, stationary ring 23 Right side stationary ring sealing ring 24 is installed, the right side of stationary ring sealing ring 24 be equipped with gland 25, gland 25 and stationary ring 23 pass through it is anti- It ships and resell on another market and 26 is fixedly connected.

In the present embodiment, it is preferred that the side wall of stationary ring 23 and 22 corresponding position of the second brake block offer braking card slot, And the outer right wall of stationary ring 23 and 26 corresponding position of stop pin offer anti-rotation card slot, are to keep the second brake block 22 movable When can be caught in braking card slot, to reduce the power in the external world suffered by stop pin 26 indirectly so that will not be damaged easily, It can be stuck in anti-rotation card slot when stop pin 26 is mounted in equipment simultaneously, so that stationary ring 23 will not be rotated arbitrarily, avoid water The case where infiltration, generates.

In the present embodiment, it is preferred that the height number of the first limit spring 7 is greater than the height number of the second limit spring 8, Be it is Chong Die in order to make to generate between the first limit spring 7 and the second limit spring 8, cause limit spring can not normal use The case where generate, and two limit springs are arranged in the equipment so that the service life is longer for spring, when 4 high-speed rotation of shaft, Two springs can be due to making the active length of spring that can change, so that rotating ring 11 under the action of bellows 6 and centrifugal force Stationary ring 23 can be firmly close to.

In the present embodiment, it is preferred that the outer diameter numerical value of stationary ring 23 is equal to the internal diameter numerical value of right seal box 3, is quiet in order to make Ring 23 can be fully mounted in right seal box 3, so that not having larger gap generation between stationary ring 23 and right seal box 3, be made Equipment will not be entered easily by obtaining water flow.

In the present embodiment, it is preferred that movable sealing block 16 is made of fixed frame and sealing movable block, fixed frame and dynamic Ring 11 is fixedly connected by screw, and the height number of the second magnetic patch 15 is equal to the height number of movable sealing block 16, be in order to It is caught in movable sealing block 16 directly fixed frame in insertion fixing groove 13 during installation, fixed frame is made by screw again later Frame is fixedly connected with rotating ring 11, to can not having between rotating ring 11 and stationary ring 23 using movable sealing block 16 biggish Gap generates, which install the positive magnetic pole of the first magnetic patch 14 and the positive magnetic pole of the second magnetic patch 15 in opposite directions, later once After the friction that hesitates between rotating ring 11 and stationary ring 23 generates gap, the first magnetic patch 14 and the second magnetic patch 15 are due to the original that identical charges repel each other Reason, the first magnetic patch 14 will push the second magnetic patch 15 and move to right, so that movable sealing block 16 makes up gap, so that water will not be easily Into equipment.

Working principle: when the utility model is used, user first connects spring base 5 with shaft 4 by the way that screw is fixed It connects, while installing the first limit spring 7 and the second limit spring 8 in bellows 6, and then bellows 6 is mounted on bullet In spring abutment 5, then gland 25 can be mounted in right seal box 3 while be plugged stop pin 26 by user, later again by stationary ring 23 and stationary ring sealing ring 24 successively install, and the anti-rotation card slot of 23 outer right wall of stationary ring is made to block stop pin 26, then user Seal ring of moving ring 10, rotating ring 11 and dry cotton piece set 12 can be installed, is finally fixed on left seal box 2 and right seal box 3 Together, can use electric pump later, the rotating block 19 when using in elder generation turning groove 18 so that movable rotating block 21 move down from And it is pressed into the second brake block 22 in braking card slot, so that the position of stationary ring 23 is fixed stronger, while the second braking The power that the presence of block 22 also may make stop pin 26 to be born is not too large, though electric pump operation it is lack of standardization or using it is abnormal its Stop pin 26 will not be made to damage, avoid stationary ring 23 as rotating ring 11 rotates together, to make water inlet in equipment, so that using Person has to cost fund and the case where energy overhauls equipment, and economic benefit is stronger compared with high practicability, when setting 4 high speed rotation of shaft when standby use, so that spring base 5 is rotated with bellows 6, so that two springs can be due to 6 He of bellows Making the active length of spring under the action of centrifugal force can change, so that rotating ring 11 can firmly be close to stationary ring 23, so that Gap will not be generated between stationary ring 23 and rotating ring 11, so that water will not arbitrarily enter equipment, when equipment is longer using the time, so that When there is abrasion in end face, because the equipment is provided with the first magnetic patch 14, the second magnetic patch 15 and movable sealing block 16, when equipment in use, First magnetic patch 14 can push always the second magnetic patch 15 to move right due to the principle that identical charges repel each other, and the second magnetic patch 15 will one later Movable sealing block 16 is directly set to push down the end face of stationary ring 23, so that the presence very close to each other of the endface between stationary ring 23 and rotating ring 11, The gap worn out can be made up sealing block 16 movable with the presence of gap, so that equipment will not intake easily, it will not be right The operation of equipment impacts, and for user without spending substantial contribution and energy to overhaul, economic benefit is stronger compared with high practicability, The equipment is provided with dry cotton piece set 12, and when penetrating into a small amount of water inside equipment, dry cotton piece set 12 can at once be absorbed water, keeps away The case where equipment inner body is rusted generation is exempted from, so that equipment may continue to using so that user is without spending the time It is overhauled with energy, economic benefit is stronger compared with high practicability.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of electricity mechanical seal for pump component, including main body (1), it is characterised in that: the main body (1) is by left seal box (2) It forms with right seal box (3), and is equipped with shaft (4) in main body (1), spring base (5) are installed in the left seal box (2), The spring base (5) is fixedly connected with shaft (4) by screw, is equipped with bellows (6), the wave in the spring base (5) It is arranged with the first limit spring (7) in line pipe (6), is arranged with the second limit spring (8) in first limit spring (7), and It is equipped on the right side of first limit spring (7) throw-out collar (9), is equipped with seal ring of moving ring (10) on the right side of the throw-out collar (9), it is described It is equipped on the right side of seal ring of moving ring (10) rotating ring (11), dry cotton piece set (12), and rotating ring is installed outside the rotating ring (11) (11) outer right wall offers insertion fixing groove (13), is equipped with the first magnetic patch (14), institute in the insertion fixing groove (13) It states and is equipped on the right side of the first magnetic patch (14) the second magnetic patch (15), movable sealing block is installed on the right side of second magnetic patch (15) (16), the outer right wall of the rotating ring (11) is provided with fixed sealing block (17), and rotating ring at the position close to shaft (4) (11) it is equipped on the right side of stationary ring (23), the left side outer wall of the stationary ring (23) and movable sealing block (16) corresponding position are installed There is stationary ring sealing block, the side wall of the right seal box (3) and stationary ring (23) corresponding position open up fluted (18), the groove (18) it is equipped with rotating block (19), is equipped with rotating bar (20) below the rotating block (19), the rotating bar (20) is outside in It is arranged with movable rotating block (21), the second brake block (22), the stationary ring is installed below the activity rotating block (21) (23) it is equipped on the right side of stationary ring sealing ring (24), gland (25), the pressure is installed on the right side of the stationary ring sealing ring (24) Lid (25) is fixedly connected with stationary ring (23) by stop pin (26).

2. a kind of electric mechanical seal for pump component according to claim 1, it is characterised in that: the side wall of the stationary ring (23) Braking card slot is offered with the second brake block (22) corresponding position, and the outer right wall of stationary ring (23) is corresponding with stop pin (26) Anti-rotation card slot is offered at position.

3. a kind of electric mechanical seal for pump component according to claim 1, it is characterised in that: first limit spring (7) height number is greater than the height number of the second limit spring (8).

4. a kind of electric mechanical seal for pump component according to claim 1, it is characterised in that: the outer diameter of the stationary ring (23) Numerical value is equal to the internal diameter numerical value of right seal box (3).

5. a kind of electric mechanical seal for pump component according to claim 1, it is characterised in that: the activity sealing block (16) It is made of fixed frame and sealing movable block, the fixed frame is fixedly connected with rotating ring (11) by screw, second magnetic The height number of block (15) is equal to the height number of movable sealing block (16).