CN217206996U

CN217206996U - Packing seal structure for slurry pump

Info

Publication number: CN217206996U
Application number: CN202220127298.2U
Authority: CN
Inventors: 李凡华; 李�杰; 胡娇英; 景雅琴
Original assignee: Hubei Tianmen Huanai Pump Co ltd
Current assignee: Hubei Tianmen Huanai Pump Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-16
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to a sediment stuff pump technical field just discloses a packing structure for sediment stuff pump, including the axis body, the outside of axis body is provided with the axle sleeve, the outside of axle sleeve is provided with the pump case, the inboard of pump case is provided with the packing groove, the inside in packing groove is provided with one end and axle sleeve outside swing joint's sealing filler. This packing structure for slurry pump, come the extrusion through the inside that extends to the spout with the finger and press the briquetting, thereby drive two connecting blocks and two slider relative movement, the slider then can drive the pivot rotation through rack and gear at the in-process that removes, and the pivot then can be continuous in rotatory in-process twines the haulage rope in its outside, and then drive two movable plate back of the body removal mutually, shift out from the inside of constant head tank until the locating piece, remove the position restriction to the stopper, alright give the gland whole dismantlement this moment, change gland packing.

Description

Packing seal structure for slurry pump

Technical Field

The utility model relates to a sediment stuff pump technical field specifically is a packing structure for sediment stuff pump.

Background

The slurry pump is a machine which increases the energy of a solid-liquid mixed medium by the action of centrifugal force and converts electric energy into kinetic energy and potential energy of the medium, and the centrifugal slurry pump is often used in industries such as electric power, mine, metallurgy and chemical fertilizer.

But the gland on current sediment stuff pump mostly uses the bolt to fix in the installation, leads to in case the bolt appears rustting and when smooth condition of silk, will bring inconvenience to gland's dismantlement, and then influence the change of sealing filler, so provide a packing structure for sediment stuff pump.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a packing structure for slurry pump possesses the advantage such as being convenient for dismantle gland, has solved on the current slurry pump gland and has used the bolt to fix mostly in the installation, leads to in case the bolt appears rustting and when slippery condition, will bring inconvenience to gland's dismantlement, and then influence the problem of the change of seal packing.

(II) technical scheme

For realizing the above-mentioned purpose of being convenient for dismantle packing gland, the utility model provides a following technical scheme: a packing seal structure for a slurry pump comprises a shaft body, wherein a shaft sleeve is arranged on the outer side of the shaft body, a pump shell is arranged on the outer side of the shaft sleeve, a packing groove is formed in the inner side of the pump shell, a sealing packing with one end movably connected with the outer side of the shaft sleeve is arranged in the packing groove, packing glands with one end extending to the right side of the pump shell are arranged on the inner wall of the packing groove, two installation cavities are arranged in the pump shell and are respectively arranged at the upper side and the lower side of the packing groove, limiting blocks with one end extending to the right side of the pump shell and fixedly connected with the packing glands are arranged on the inner walls of the two opposite sides of the installation cavities, positioning assemblies with one end movably connected with the right side of the inner wall of the installation cavity and the other end extending to the inside of the limiting blocks are arranged between the upper side and the lower side of the inner wall of the installation cavity, and traction assemblies with one ends fixedly connected with the back sides of the two positioning assemblies are arranged on the inner walls of the opposite sides of the two installation cavities, draw both sides around the subassembly respectively with the inner wall of installation cavity around both sides swing joint, the upper and lower both sides of pump case all are provided with the spout that is located the installation cavity left side, the inner wall left side of installation cavity is provided with one end and draws the subassembly meshing and the other end extend to inside and with spout inner wall left side swing joint's drive assembly of spout.

Preferably, the locating component includes the slide bar, two equal fixed mounting has the slide bar that is located the left side of stopper, two on the opposite side inner wall of installation cavity the equal movable mounting in inner wall right side of installation cavity has the movable plate that is located two stopper dorsal parts and one end and slide bar outside swing joint respectively, two the constant head tank that is located two movable plate opposite sides is all seted up to the dorsal part of stopper, two the equal fixed mounting in opposite side of movable plate has one end to extend to the inside locating piece of two constant head tanks respectively, two the equal fixed mounting in the opposite side of the back of the body of movable plate has the locating spring that is located slide bar right side and one end and two installation cavity back of the body inboard wall fixed connection respectively.

Preferably, the traction assembly includes the pivot, movable mounting has the pivot that is located the left of movable plate between both sides around the inner wall of installation cavity, the outside fixed mounting of pivot has the gear, two equal fixed mounting has the pulley that is located positioning spring left side and quantity and is two and be bilateral symmetry distribution on the inside wall of the looks of installation cavity back of the body, two the outside of pivot all twines and has the haulage rope that is located gear front side and one end and passes left and right sides pulley in proper order and respectively with two movable plate dorsal part fixed connection.

Preferably, drive assembly includes the slider, the inner wall left side movable mounting of installation cavity has the slider that is located the gear left side, the right side fixed mounting of slider have with gear engagement's rack, the left side fixed mounting of slider have one end extend to the spout inside and with spout inner wall left side swing joint's connecting block, two the equal fixed mounting in looks dorsal part of connecting block has the pressing block that is located two spouts insides respectively.

Preferably, the inner wall right side of packing groove is the opening design, the mounting groove has all been seted up at the left upper and lower both ends of gland, the inside movable mounting of mounting groove has one end to extend to the gland left side and with the briquetting of the laminating of gland right side, fixed mounting has compression spring between briquetting and the mounting groove inner wall right side.

Preferably, a rectangular strip hole which is formed in the pump shell and matched with the moving track of the connecting block is communicated between the left side of the inner wall of the mounting cavity and the right side of the inner wall of the sliding groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a packing structure for slurry pump possesses following beneficial effect:

the packing sealing structure for the slurry pump drives the two connecting blocks and the two sliding blocks to move relatively by extruding the pressing block by extending the fingers to the inside of the sliding groove, the sliding blocks can drive the rotating shaft to rotate through the rack and the gear in the moving process, the rotating shaft can continuously wind the traction rope on the outer side of the rotating shaft in the rotating process, so as to drive the two moving plates to compress the positioning springs to move back and forth until the positioning block is moved out of the positioning groove to remove the position limitation on the limiting blocks, the whole packing gland can be detached to replace the packing, the operation is simple, the time and the labor are saved, when the packing gland needs to be installed, the two limiting blocks are respectively inserted into the two installation cavities, the packing gland is pressed to the left until the positioning block extends to the inside of the positioning groove, so that the fixing of the limiting blocks and the packing gland can be completed, the use is convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a shaft body 1, a shaft sleeve 2, a pump shell 3, a packing groove 4, a sealing packing 5, a packing gland 6, an installation cavity 7, a limiting block 8, a positioning component 9, a sliding rod 91, a moving plate 92, a positioning groove 93, a positioning block 94, a positioning spring 95, a traction component 10, a rotating shaft 101, a gear 102, a pulley 103, a traction rope 104, a sliding groove 11, a driving component 12, a sliding block 121, a rack 122, a connecting block 123 and a pressing block 124.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a packing structure for slurry pump, including axis body 1, the outside fixed mounting of axis body 1 has axle sleeve 2, the outside movable mounting of axle sleeve 2 installs pump case 3, packing groove 4 has been seted up to the inboard of pump case 3, the inner wall right side of packing groove 4 is the opening design, the inside fixed mounting of packing groove 4 has one end and 2 outside swing joint's of axle sleeve sealing filler 5, movable mounting has the gland 6 that is located 5 right sides of sealing filler and one end extends to 3 right sides of pump case on the inner wall of packing groove 4, the mounting groove has all been seted up at the upper and lower both ends on 6 left sides of gland, the inside movable mounting of mounting groove has one end to extend to 6 left sides of gland and with the briquetting of 5 right sides laminating of sealing filler, fixed mounting has compression spring between briquetting and the mounting groove inner wall right side.

The pump shell 3 is internally provided with two installation cavities 7 which are respectively positioned at the upper side and the lower side of the packing groove 4, the inner walls of the two opposite sides of the inner wall of the two installation cavities 7 are movably provided with limit blocks 8, one ends of the limit blocks 8 extend to the right side of the pump shell 3 and are fixedly connected with the packing gland 6, a positioning assembly 9, one ends of which are movably connected with the right side of the inner wall of the installation cavity 7 and the other ends of which extend to the inside of the limit blocks 8, is fixedly arranged between the upper side and the lower side of the inner wall of the installation cavity 7, the positioning assembly 9 comprises slide bars 91, the inner walls of the two opposite sides of the two installation cavities 7 are fixedly provided with slide bars 91 which are positioned at the opposite sides of the limit blocks 8, the right sides of the inner walls of the two installation cavities 7 are movably provided with moving plates 92, one ends of which are respectively positioned at the opposite sides of the two limit blocks 8 are provided with positioning grooves 93, the opposite sides of the two moving plates 92 are fixedly provided with positioning blocks 94, one ends of which respectively extend to the inside the two positioning grooves 93, and the opposite sides of the two moving plates 92 are fixedly provided with positioning springs 95 which are positioned at the right side of the slide bar 91 and one ends of which are fixedly connected with the inner walls of the opposite sides of the two mounting cavities 7 respectively.

Equal fixed mounting has one end respectively with two locating component 9 back of the body side fixed connection's of the body subassembly 10 that pulls on the back of the body side inner wall of two installation cavities 7, both sides respectively around pulling subassembly 10 with the inner wall of installation cavity 7 both sides swing joint, it includes pivot 101 to pull subassembly 10, movable mounting has the pivot 101 that is located the left of movable plate 92 between the inner wall of installation cavity 7 both sides around, the outside fixed mounting of pivot 101 has gear 102, equal fixed mounting has the pulley 103 that is located positioning spring 95 left side and quantity and be two and be bilateral symmetry distribution on the back of the body side inner wall of two installation cavities 7, the outside of two pivot 101 all twines has the haulage rope 104 that is located gear 102 front side and one end and passes left and right sides pulley 103 in proper order and is respectively with two movable plate 92 back of the body side fixed connection.

The upper and lower both sides of pump case 3 have all been seted up and have been located the left spout 11 of installation cavity 7, the inner wall left side movable mounting of installation cavity 7 has one end and draws subassembly 10 meshing and the other end extend to spout 11 inside and with spout 11 inner wall left side swing joint's drive assembly 12, drive assembly 12 includes slider 121, the inner wall left side movable mounting of installation cavity 7 has the slider 121 that is located the gear 102 left side, the right side fixed mounting of slider 121 has the rack 122 with gear 102 meshing, the left side fixed mounting of slider 121 has one end to extend to spout 11 inside and with spout 11 inner wall left side swing joint's connecting block 123, the intercommunication has the rectangle strip hole of seting up on pump case 3 and with connecting block 123 removal orbit looks adaptation between the inner wall right side of the inner wall left side of installation cavity 7 and spout 11, the equal fixed mounting in the dorsal part of two connecting blocks 123 has the pressing piece 124 that is located two spout 11 insides respectively.

The pressing block 124 is extruded by extending fingers to the inside of the sliding groove 11, so that the two connecting blocks 123 and the two sliding blocks 121 are driven to move relatively, the sliding blocks 121 can drive the rotating shaft 101 to rotate through the racks 122 and the gears 102 in the moving process, the rotating shaft 101 continuously winds the traction rope 104 on the outer side of the rotating process, the two moving plates 92 are driven to compress the positioning springs 95 to move back and forth, the limiting block 8 is released until the positioning block 94 is moved out of the positioning groove 93, and the whole packing gland 6 can be detached at the moment to replace the packing 5.

In summary, in the packing seal structure for slurry pump, the pressing block 124 is squeezed by extending fingers into the chute 11, so as to drive the two connecting blocks 123 and the two sliding blocks 121 to move relatively, the sliding blocks 121 drive the rotating shaft 101 to rotate through the rack 122 and the gear 102 in the moving process, the rotating shaft 101 continuously winds the pulling rope 104 around the outer side thereof in the rotating process, and further drives the two moving plates 92 to compress the positioning spring 95 to move back and forth, until the positioning block 94 moves out of the positioning groove 93, so as to remove the position limitation on the limiting block 8, at this time, the packing gland 6 can be integrally detached to replace the packing 5, the operation is simple, time and labor are saved, when the packing gland 6 needs to be installed, only the two limiting blocks 8 need to be respectively inserted into the two installation cavities 7, and then the packing gland 6 is pressed leftward, fixing of stopper 8 and gland 6 can be accomplished to the inside that extends to constant head tank 93 until locating piece 94, has made things convenient for the use, has solved on the current slurry pump gland and has used the bolt to fix mostly in the installation, leads to in case the bolt appears rustting and when the condition of smooth silk, will bring inconvenience to gland's dismantlement, and then influence the problem of the change of sealing filler.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a packing structure for sediment thick liquid pump, includes axis body (1), the outside of axis body (1) is provided with axle sleeve (2), the outside of axle sleeve (2) is provided with pump case (3), the inboard of pump case (3) is provided with packing groove (4), the inside of packing groove (4) is provided with one end and axle sleeve (2) outside swing joint's gland packing (5), be provided with on the inner wall of packing groove (4) and be located gland packing (5) right side and one end and extend to gland packing (6) on pump case (3) right side, its characterized in that: the pump shell (3) is internally provided with two installation cavities (7) which are respectively positioned at the upper side and the lower side of the packing groove (4), the inner walls of the two opposite sides of the installation cavities (7) are respectively provided with a limiting block (8) with one end extending to the right side of the pump shell (3) and fixedly connected with the packing gland (6), a positioning component (9) with one end movably connected with the right side of the inner wall of the installation cavity (7) and the other end extending to the inside of the limiting block (8) is arranged between the upper side and the lower side of the inner wall of the installation cavity (7), the inner walls of the two opposite sides of the installation cavities (7) are respectively provided with a traction component (10) with one end fixedly connected with the opposite sides of the two positioning components (9), the front side and the rear side of the traction component (10) are respectively movably connected with the front side and the rear side of the inner wall of the installation cavity (7), the upper side and the lower side of the pump shell (3) are respectively provided with a sliding groove (11) positioned at the left side of the installation cavity (7), the inner wall left side of installation cavity (7) is provided with one end and pulls subassembly (10) meshing and the other end extends to inside spout (11) and with spout (11) inner wall left side swing joint's drive assembly (12).

2. The packing seal structure for the slurry pump according to claim 1, wherein: the positioning assembly (9) comprises slide bars (91), slide bars (91) positioned on the left sides of the limit blocks (8) are fixedly installed on the inner walls of the two opposite sides of the installation cavities (7), moving plates (92) respectively positioned on the opposite sides of the two limit blocks (8) and movably connected with the outer sides of the slide bars (91) at one ends are movably installed on the right sides of the inner walls of the two installation cavities (7), positioning grooves (93) positioned on the opposite sides of the two moving plates (92) are respectively formed in the opposite sides of the two limit blocks (8), positioning blocks (94) with one ends respectively extending into the two positioning grooves (93) are fixedly installed on the opposite sides of the two moving plates (92), and the back sides of the two moving plates (92) are fixedly provided with positioning springs (95) which are positioned on the right side of the sliding rod (91) and one ends of which are fixedly connected with the inner walls of the back sides of the two mounting cavities (7) respectively.

3. The packing seal structure for the slurry pump according to claim 2, wherein: traction assembly (10) is including pivot (101), movable mounting has between the inner wall front and back both sides of installation cavity (7) and is located left pivot (101) of movable plate (92), the outside fixed mounting of pivot (101) has gear (102), two equal fixed mounting has pulley (103) that are located positioning spring (95) left side and quantity and be two and be bilateral symmetry distribution on the inside wall of the back of the body of installation cavity (7), two the outside of pivot (101) all twines and has to be located gear (102) front side and one end and pass left and right sides pulley (103) in proper order and respectively with two movable plate (92) traction rope (104) of the fixed connection of the opposite sides of the body.

4. The packing seal structure for the slurry pump according to claim 3, wherein: drive assembly (12) include slider (121), the inner wall left side movable mounting of installation cavity (7) has slider (121) that is located gear (102) left side, the right side fixed mounting of slider (121) have with gear (102) meshing rack (122), the left side fixed mounting of slider (121) have one end extend to spout (11) inside and with spout (11) inner wall left side swing joint's connecting block (123), two equal fixed mounting in the opposite directions of connecting block (123) has and is located inside according to briquetting (124) of two spout (11) respectively.

5. The packing seal structure for the slurry pump according to claim 1, wherein: the inner wall right side of gland (4) is the opening design, the mounting groove has all been seted up at the left upper and lower both ends of gland (6), the inside movable mounting of mounting groove has one end to extend to gland (6) left side and the briquetting of laminating with gland (5) right side, fixed mounting has compression spring between briquetting and the mounting groove inner wall right side.

6. The packing seal structure for the slurry pump according to claim 4, wherein: a rectangular strip hole which is formed in the pump shell (3) and matched with the moving track of the connecting block (123) is communicated between the left side of the inner wall of the mounting cavity (7) and the right side of the inner wall of the sliding groove (11).