CN214743317U - Corrosion-resistant sealing packing - Google Patents

Abstract

The utility model discloses a corrosion-resistant sealed packing, including the packing body, the main concatenation body and the supplementary concatenation body, main concatenation body movable mounting be in the one end of the packing body, the supplementary concatenation body movable mounting be in the other end of the packing body, the main concatenation body with the supplementary concatenation body activity concatenation, the packing body center is inside still includes the inner core, the fixed cover of inner core surface has connect the bullet packing layer of moulding, the fixed cover of bullet packing layer surface has connect the anticorrosive coating, the internal portion of main concatenation still moulds the body including the main, the main internal portion fixed mounting that moulds body one side has interior casing. The utility model discloses change the mode of traditional packing tangent plane butt joint, it is more firm during the use, can not appear the skew between the butt joint face, improve the sealed effect of the packing body, and possess certain anticorrosion function, in addition, the packing body is more firm with the connection of the main body that splices, and the dismouting process is simple.

Description

Corrosion-resistant sealing packing

Technical Field

The utility model relates to a packing technical field specifically is a corrosion-resistant sealed packing.

Background

Packing (braided packing), also called sealing packing, is usually woven from softer threads, and strips with square or rectangular or circular cross-section are usually filled in a sealing cavity to realize sealing. Packing is widely used for rotating shaft sealing of centrifugal pumps, compressors, vacuum pumps, mixers and ship propellers, reciprocating shaft sealing of piston pumps, reciprocating compressors and refrigerators, rotating sealing of valve stems of various valves and the like;

however, the existing packing has the following defects:

the existing packing is a complete circular ring before being used, when a shaft is sealed, a worker is required to cut off the annular packing, a cutting plane is an inclined plane which is approximately 45 degrees, and then the annular packing is sleeved on the surface of the shaft, and by the installation mode, the two planes are easy to deviate when the packing is used, so that the sealing effect is influenced; in addition, the existing packing has poor anti-corrosion effect and is easy to scrap in advance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant sealed packing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a corrosion resistant seal packing, comprising: the disc root body, the main splicing body and the auxiliary splicing body;

the main splicing body is movably arranged at one end of the disc root body, the auxiliary splicing body is movably arranged at the other end of the disc root body, and the main splicing body and the auxiliary splicing body are movably spliced;

the packing device is characterized in that the interior of the center of the packing body also comprises an inner core, the outer surface of the inner core is fixedly sleeved with an elastic-plastic packing layer, and the outer surface of the elastic-plastic packing layer is fixedly sleeved with an anticorrosive layer;

the main splicing body is internally provided with a main plastic body, and an inner shell is fixedly arranged inside one side of the main plastic body.

Further, the outer weaving layer has been woven to anticorrosive coating external fixation, the butt fusion of all fixing in disk root body both ends has the inner connecting piece, one the movable embedding of inner connecting piece is located the main internal portion one end of moulding inside the interior casing.

Furthermore, an inner embedded groove is fixedly formed in the outer wall of the other end of the main plastic body, and a main inner hole is fixedly formed in the other end of the main plastic body.

Furthermore, assist the internal portion of splice still including assisting the plastomer, another in-connection piece activity embedding assist the inside one end of plastomer, the fixed butt fusion of the external wall of the other end of the plastomer has the embedded block, the embedded block activity embedding the inside of interior caulking groove, assist the internal portion of the other end of plastomer and fixedly seted up and assist the hole.

Furthermore, the inside one end of interior casing is located the inside activity of main hole has cup jointed adjusting screw, adjusting screw one end is located interior threaded connection of interior casing has interior fly leaf, interior fly leaf both ends all are fixed the butt fusion and have the traction lever, two the butt fusion is all fixed with interior pole to traction lever other end outer wall.

Further, the inside both ends of interior casing all rotate and are connected with splint, two the splint surface is all fixed and has been seted up the guide slot, two interior pole activity embedding two respectively the inside of guide slot.

Further, the structure inside the other end of the secondary plastic body is the same as the structure inside the main plastic body.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by arranging the main splicing body, the clamping plates in the inner shell rotate inwards at the same time, so that the effect of clamping and fixing the inner connecting block is realized, and the connection between the disc root body and the main splicing body is more stable; in addition, before the disk root body is cut according to the diameter of the shaft, the main splicing body can be detached in advance, and then the disk root body is assembled after cutting is finished.

(2) Through being provided with the main body and the supplementary body that splices, through the main body that splices and the butt joint of the supplementary body that splices, improve the sealed effect of packing body, change the mode that traditional packing tangent plane butt joint, it is more firm during the use, the skew can not appear between the butt joint face.

(3) Through being provided with the anticorrosive coating, make this packing possess certain anticorrosion function.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the disc root body shown in the embodiment of FIG. 1;

FIG. 3 is a schematic perspective view of the main splice shown in the embodiment of FIG. 1;

FIG. 4 is a schematic perspective view of the sub-splices shown in the embodiment of FIG. 1;

FIG. 5 is a schematic cross-sectional view of the main splicing body shown in the embodiment of FIG. 1.

Reference numerals: 1-a disc root body; 101-an outer braid; 102-an anticorrosive layer; 103-elastic plastic packing layer; 104-an inner core; 105-inner connecting blocks; 2-main splice body; 201-main plastic body; 202-inner embedded groove; 203-a main bore; 204-an inner housing; 205-adjusting screws; 206-inner movable plate; 207-a drawbar; 208-an inner rod; 209-splint; 210-a guide slot; 3-auxiliary splicing body; 301-co-molding; 302-an inline block; 303-auxiliary inner hole.

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. 1-5 together, fig. 1 is a schematic perspective view of an embodiment of the present invention, fig. 2 is a schematic sectional view of a packing body shown in the embodiment of fig. 1, fig. 3 is a schematic perspective view of a main splicing body shown in the embodiment of fig. 1, fig. 4 is a schematic perspective view of an auxiliary splicing body shown in the embodiment of fig. 1, and fig. 5 is a schematic sectional view of a main splicing body shown in the embodiment of fig. 1, wherein a corrosion-resistant sealing packing includes: the coil root body 1, main concatenation body 2 and the supplementary concatenation body 3, main concatenation body 2 movable mounting is in the one end of the coil root body 1, and the other end at the coil root body 1 of the movable mounting of the supplementary concatenation body 3, main concatenation body 2 with assist concatenation body 3 movable splicing.

The inside inner core 104 that still includes in the disk root body 1 center, inner core 104 fixed surface has cup jointed the packing layer 103 is moulded to the bullet, the fixed surface of packing layer 103 is moulded to the bullet has connected anticorrosive coating 102, anticorrosive coating 102 makes this packing possess certain anti-corrosion function, anticorrosive coating 102 fixed surface has woven outer weaving layer 101, 1 both ends of the disk root body are all fixed the butt fusion and have interior connecting block 105, be used for realizing the equipment of the disk root body 1 and main splice 2 and supplementary splice 3 through interior connecting block 105.

The main splicing body 2 also comprises a main plastic body 201, a main inner hole 203 is fixedly arranged inside the other end of the main plastic body 201, an inner shell 204 is fixedly arranged inside one side of the main plastic body 201, an inner connecting block 105 is movably embedded inside the inner shell 204 positioned at one end inside the main plastic body 201, both ends inside the inner shell 204 are rotatably connected with clamp plates 209, guide grooves 210 are fixedly arranged on the surfaces of the two clamp plates 209, after one inner connecting block 105 is embedded inside the inner shell 204, the inner connecting block 105 is arranged inside the clamp plates 209 at both sides, one end inside the inner shell 204 is movably sleeved with an adjusting screw 205 inside the main inner hole 203, one end of the adjusting screw 205 is positioned inside the inner shell 204 and is in threaded connection with an inner movable plate 206, both ends of the inner movable plate 206 are fixedly welded with draw bars 207, inner rods 208 are fixedly welded on the outer walls of the other ends of the two draw bars 207, and the two inner rods 208 are respectively movably embedded inside the two guide grooves 210, insert the inside adjusting screw 205 that makes of main hole 203 with the screwdriver, thereby casing 204 rectilinear movement including interior fly leaf 206 will, drive interior pole 208 through traction lever 207 and move in the inside of guide slot 210, according to the direction of guide slot 210, it is rotatory to realize driving splint 209, the splint 209 of both sides are rotatory to the inboard simultaneously, finally realize the effect of the fixed in-connection piece 105 of clamp interlock, make the connection of packing body 1 and main concatenation body 2 more firm, in addition, before tailorring packing body 1 according to the diameter of axle, can pull down main concatenation body 2 in advance, assemble again after tailorring, the dismouting process is simple, be applicable to the packing body 1 of different length sizes.

The auxiliary splicing body 3 further comprises an auxiliary plastic body 301, the structure inside the other end of the auxiliary plastic body 301 is the same as the internal structure of the main plastic body 201, the auxiliary plastic body is the same as the disassembly and assembly work of the main splicing body 2, and the splicing work of the disk root body 1 and the auxiliary splicing body 3 can also be realized.

The fixed inner caulking groove 202 of having seted up of main moulded body 201 other end outer wall, the inside one end of moulding 301 is assisted in another inside connecting block 105 activity embedding, the fixed welding of moulding 301 other end outer wall has inner caulking block 302, the inside of inner caulking groove 202 is embedded in to inner caulking block 302 activity, the inside fixed assistance hole 303 of having seted up of the moulding 301 other end of assistance, after main splice 2 and the completion of assisting splice 3 equipment, with the surface of the 1 cover spiale of packing body, with the inside of inner caulking groove 202 of embedding of inner caulking block 302, thereby realize the butt joint work of main splice 2 and the assistance splice 3, improve the sealed effect of packing body 1, change the mode of traditional packing tangent plane butt joint.

To sum up, the utility model provides a pair of corrosion-resistant sealed packing at the during operation, at first: the packing root body 1 and the main splicing body 2 are assembled, an inner connecting block 105 is embedded into the inner shell 204, the inner connecting block 105 is arranged on the inner sides of the clamping plates 209 on the two sides, then a screwdriver is inserted into the main inner hole 203 to enable the adjusting screw 205 to rotate, so that the inner movable plate 206 can linearly move in the inner shell 204, the inner rod 208 is driven by the draw bar 207 to move in the guide groove 210, the clamping plates 209 can be driven to rotate according to the direction of the guide groove 210, the clamping plates 209 on the two sides simultaneously rotate towards the inner side, and finally the effect of clamping and meshing the fixed inner connecting block 105 is achieved, so that the connection between the packing root body 1 and the main splicing body 2 is more stable, in addition, the main splicing body 2 can be detached in advance before the packing root body 1 is cut according to the diameter of a shaft, the assembly is carried out after the cutting is finished, the dismounting process is simple, and the packing root body 1 is suitable for packing bodies 1 with different length sizes; in addition, the splicing work of the disk root body 1 and the auxiliary splicing body 3 can be realized as the same as the dismounting work of the main splicing body 2;

then: after the main splicing body 2 and the auxiliary splicing body 3 are assembled, the surface of the shaft is sleeved on the packing root body 1, and the embedded block 302 is embedded into the embedded groove 202, so that the butt joint work of the main splicing body 2 and the auxiliary splicing body 3 is realized, the sealing effect of the packing root body 1 is improved, and the butt joint mode of the traditional packing plain section is changed;

and finally: the anti-corrosion layer 102 is arranged to enable the packing to have a certain anti-corrosion function.

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.

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 (7)

1. A corrosion resistant seal packing, comprising: a disc root body (1), a main splicing body (2) and an auxiliary splicing body (3);

the main splicing body (2) is movably arranged at one end of the disc root body (1), the auxiliary splicing body (3) is movably arranged at the other end of the disc root body (1), and the main splicing body (2) and the auxiliary splicing body (3) are movably spliced;

the center of the disc root body (1) is internally provided with an inner core (104), the outer surface of the inner core (104) is fixedly sleeved with an elastic-plastic packing layer (103), and the outer surface of the elastic-plastic packing layer (103) is fixedly sleeved with an anticorrosive layer (102);

the main splicing body (2) is internally provided with a main molding body (201), and an inner shell (204) is fixedly arranged inside one side of the main molding body (201).

2. The corrosion-resistant sealing packing set according to claim 1, wherein the outer surface of the corrosion-resistant layer (102) is fixedly woven with an outer woven layer (101), the two ends of the packing set body (1) are fixedly welded with inner connecting blocks (105), and one inner connecting block (105) is movably embedded in the inner shell (204) at one end inside the main plastic body (201).

3. The corrosion-resistant sealing packing of claim 2, wherein the main plastic body (201) is fixedly provided with an inner embedding groove (202) on an outer wall of the other end, and the main plastic body (201) is fixedly provided with a main inner hole (203) inside the other end.

4. The corrosion-resistant sealing packing set according to claim 3, wherein the auxiliary assembly body (3) further includes an auxiliary plastic body (301), the other inner connecting block (105) is movably embedded into one end of the inner portion of the auxiliary plastic body (301), an inner embedded block (302) is fixedly welded to the outer wall of the other end of the auxiliary plastic body (301), the inner embedded block (302) is movably embedded into the inner portion of the inner embedded groove (202), and an auxiliary inner hole (303) is fixedly formed in the other end of the auxiliary plastic body (301).

5. The corrosion-resistant sealing packing set according to claim 4, wherein an adjusting screw (205) is movably sleeved at one end inside the inner shell (204) and inside the main inner hole (203), one end of the adjusting screw (205) is located inside the inner shell (204) and is in threaded connection with an inner movable plate (206), two ends of the inner movable plate (206) are fixedly welded with the traction rods (207), and the outer walls of the other ends of the two traction rods (207) are fixedly welded with the inner rods (208).

6. The corrosion-resistant sealing packing of claim 5, wherein the inner shell (204) is rotatably connected with clamping plates (209) at two ends, guide grooves (210) are fixedly formed in the surfaces of the two clamping plates (209), and the two inner rods (208) are movably embedded in the two guide grooves (210) respectively.

7. A corrosion resistant packing set according to claim 6, characterised in that the internal structure of the other end of the secondary moulding (301) is the same as the internal structure of the main moulding (201).

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