CN210239990U

CN210239990U - Disassembling and assembling mechanism of dry type screw pump shell

Info

Publication number: CN210239990U
Application number: CN201920827614.5U
Authority: CN
Inventors: Qi Tang; 汤琪
Original assignee: Hangzhou Langmu Technology Co Ltd
Current assignee: Hangzhou Langmu Technology Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-03
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a dismouting mechanism of dry-type screw pump casing, including the bottom plate, the top fixed mounting of bottom plate has the dry-type screw pump body, and the right side of dry-type screw pump body is provided with seal housing, and seal housing's fixed surface is connected with the adapter sleeve, and the fixed surface of dry-type screw pump body is connected with and is located the left screw thread section of thick bamboo of adapter sleeve. The utility model discloses it moves right to drive the position sleeve through the cutting ferrule by the transmission cover, make the position sleeve drive the arc and break away from the adapter sleeve, at this moment rotatable arm-tie, when the arm-tie breaks away from the fixed slot, can take off sealed casing, thereby possessed convenient to use person and carried out the advantage of dismantling to protective housing, the protective housing who has solved current dry-type screw pump is the surface of installing at the pump barrel through a plurality of bolts, need dismantle one by one a plurality of bolts through the instrument when dismantling the maintenance, just can take off protective housing, the problem of maintenance efficiency has been reduced to a certain extent, the improvement of a certain degree maintenance efficiency.

Description

Disassembling and assembling mechanism of dry type screw pump shell

Technical Field

The utility model relates to a dry-type screw pump technical field specifically is a dismouting mechanism of dry-type screw pump casing.

Background

The dry screw pump is also called as dry screw vacuum pump, is a technological product with very high technical content, is mainly applied to high-purity vacuum technological process, has extremely high vacuum degree, can adapt to severe working conditions, has the capability of extracting coagulability and particulate matter-containing gas, is particularly suitable for clean environment, is easy to carry out antiseptic treatment, and is particularly suitable for the fields of electronics, chemical engineering, biological medicine, metal processing, food processing and the like.

The dry screw pump is an air suction device which utilizes a pair of screws to perform synchronous high-speed reverse rotation in a pump barrel to generate air suction and exhaust effects, a protective shell of the existing dry screw pump is arranged on the surface of the pump barrel through a plurality of bolts, the bolts are required to be disassembled one by one through tools when the protective shell is disassembled and overhauled, the maintenance efficiency is reduced to a certain degree, and the protective shell is not convenient for people to use.

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 dismouting mechanism of dry-type screw pump shell has possessed the convenient to use person and has carried out the advantage of dismantling to protective housing, and protective housing who has solved current dry-type screw pump is installed on the surface of pump barrel through a plurality of bolts, need dismantle one by one a plurality of bolts through the instrument when dismantling and overhaul, just can take off protective housing, the problem of the reduction maintenance efficiency of certain degree.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a dismouting mechanism of dry-type screw pump casing, comprises a base plate, the top fixed mounting of bottom plate has the dry-type screw pump body, the right side of dry-type screw pump body is provided with seal housing, seal housing's fixed surface is connected with the adapter sleeve, the fixed surface of dry-type screw pump body is connected with and is located the left screw thread section of thick bamboo of adapter sleeve, the surperficial threaded connection of screw thread section of thick bamboo has the transmission cover, the cutting ferrule has been cup jointed on the surface of transmission cover, the right side fixedly connected with position sleeve of cutting ferrule, the constant head tank has been seted up on the surface of position sleeve, the inside of constant head tank articulates through the round pin axle has the arm-tie, the fixed slot has been seted.

Preferably, the surface of the transmission sleeve is fixedly connected with an L-shaped rod, and the surface of the L-shaped rod is fixedly connected with a sponge sleeve.

Preferably, the fixed surface of transmission sleeve is connected with the stop collar that is located between L shape pole and the cutting ferrule, the surperficial sliding connection of cutting ferrule is in the inside of stop collar, the equal fixedly connected with backup pad in top and the bottom of stop collar, the top fixed connection of backup pad is on the surface of L shape pole.

Preferably, the inside fixedly connected with rubber sleeve of constant head tank is first, the surface of arm-tie and the inner wall contact of rubber sleeve are first, the right side fixedly connected with reinforcing plate of cutting ferrule, the bottom fixed connection of reinforcing plate is on the surface of constant head tank.

Preferably, the surface of the threaded cylinder is provided with a sliding groove, the inside of the positioning sleeve is fixedly connected with a sliding block, and the sliding block is slidably connected inside the sliding groove.

Preferably, the surface of a screw thread section of thick bamboo is provided with stop gear, stop gear is including fixed cover, rubber sleeve two, draw-in groove and disk, two fixed connection of rubber sleeve are in the left side on screw thread section of thick bamboo surface, fixed cover fixed connection is in the left side of transmission cover, the surface at rubber sleeve two is seted up to the draw-in groove, disk fixed connection is in the top and the bottom of fixed cover inner wall, disk sliding connection is in the inside of draw-in groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a dismouting mechanism of dry-type screw rod pump casing possesses following beneficial effect:

1. this dismouting mechanism of dry-type screw pump casing, it moves to move to drive the position sleeve through the cutting ferrule by the transmission cover, make the position sleeve drive the arc and break away from the adapter sleeve, at this moment rotatable arm-tie, when the arm-tie breaks away from the fixed slot, can take off sealed housing, thereby possessed convenient to use person and carried out the advantage of dismantling to protective housing, the protective housing who has solved current dry-type screw pump is the surface of installing at the pump barrel through a plurality of bolts, need dismantle one by one a plurality of bolts through the instrument when dismantling the maintenance, just can take off protective housing, the problem of maintenance efficiency has been reduced to a certain extent, the improvement of a certain extent maintenance efficiency, convenient to use people uses.

2. The disassembly and assembly mechanism of the dry type screw pump shell can facilitate a user to rotate the transmission sleeve by arranging the L-shaped rod and the sponge sleeve, avoids the phenomenon that the friction force between the hand skin of the user and the surface of the transmission sleeve is small, which leads the user to be incapable of effectively rotating the transmission sleeve, can carry out secondary limiting on the clamping sleeve by arranging the limiting sleeve and the supporting plate, can carry out secondary supporting on the L-shaped rod at the same time, prolongs the service life of the L-shaped rod, can increase the friction force between the pulling plate and the positioning groove by arranging the rubber sleeve I and the reinforcing plate, avoids the phenomenon that the pulling plate shakes when being installed, improves the stability when the pulling plate is installed, can limit the positioning sleeve by arranging the sliding groove and the sliding block, avoids the phenomenon that the pulling plate is damaged when the positioning sleeve rotates when moving, and can limit the transmission sleeve to a certain degree by arranging the clamping groove and the circular plate, the phenomenon that the transmission sleeve rotates after being used for a long time is avoided, and the stability of the transmission sleeve is improved.

Drawings

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

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

FIG. 4 is an enlarged schematic view at C of FIG. 1;

fig. 5 is a front sectional view of the fixing sleeve of the present invention.

In the figure: the screw pump comprises a base plate 1, a dry screw pump body 2, a sealing shell 3, a connecting sleeve 4, a threaded cylinder 5, a transmission sleeve 6, a cutting sleeve 7, a positioning sleeve 8, a positioning groove 9, a pulling plate 10, a fixing groove 11, an arc plate 12, an L-shaped rod 13, a sponge sleeve 14, a limiting sleeve 15, a supporting plate 16, a rubber sleeve I17, a reinforcing plate 18, a sliding groove 19, a sliding block 20, a limiting mechanism 21, a fixing sleeve 211, a rubber sleeve II 212, a clamping groove 213 and a round piece 214.

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, a disassembling and assembling mechanism for a dry screw pump housing comprises a bottom plate 1, a dry screw pump body 2 is fixedly installed at the top of the bottom plate 1, a sealing housing 3 is arranged at the right side of the dry screw pump body 2, a connecting sleeve 4 is fixedly connected to the surface of the sealing housing 3, a threaded cylinder 5 positioned at the left side of the connecting sleeve 4 is fixedly connected to the surface of the dry screw pump body 2, a transmission sleeve 6 is connected to the surface of the threaded cylinder 5 in a threaded manner, a limiting mechanism 21 is arranged on the surface of the threaded cylinder 5, the limiting mechanism 21 comprises a fixing sleeve 211, a rubber sleeve II 212, a clamping groove 213 and a wafer 214, the rubber sleeve II 212 is fixedly connected to the left side of the surface of the threaded cylinder 5, the fixing sleeve 211 is fixedly connected to the left side of the transmission sleeve 6, the clamping groove 213 is arranged on the surface of the, the transmission sleeve 6 can be limited to a certain extent by arranging the clamping groove 213 and the wafer 214, the phenomenon that the transmission sleeve 6 rotates after being used for a long time is avoided, the surface of the transmission sleeve 6 with the stability of the transmission sleeve 6 is fixedly connected with the L-shaped rod 13, the surface of the L-shaped rod 13 is fixedly connected with the sponge sleeve 14, the transmission sleeve 6 can be conveniently rotated by a user by arranging the L-shaped rod 13 and the sponge sleeve 14, the phenomenon that the friction force between the hand skin of the user and the surface of the transmission sleeve 6 is small to cause the user to be incapable of effectively rotating the transmission sleeve 6 is avoided, the cutting sleeve 7 is sleeved on the surface of the transmission sleeve 6, the surface of the transmission sleeve 6 is fixedly connected with the limiting sleeve 15 positioned between the L-shaped rod 13 and the cutting sleeve 7, the surface of the cutting sleeve 7 is slidably connected inside the limiting sleeve 15, the top and the bottom of the limiting sleeve 15 are both fixedly connected with the supporting plate 16, the, through the arrangement of the limiting sleeve 15 and the supporting plate 16, secondary limiting can be performed on the cutting sleeve 7, secondary supporting can be performed on the L-shaped rod 13, the service life of the L-shaped rod 13 is prolonged, the right side of the cutting sleeve 7 is fixedly connected with the positioning sleeve 8, the surface of the positioning sleeve 8 is provided with the positioning groove 9, the surface of the threaded cylinder 5 is provided with the sliding groove 19, the inside of the positioning sleeve 8 is fixedly connected with the sliding block 20, the sliding block 20 is connected inside the sliding groove 19 in a sliding manner, the positioning sleeve 8 can be limited through the arrangement of the sliding groove 19 and the sliding block 20, the phenomenon that the pulling plate 10 is damaged due to rotation of the positioning sleeve 8 during movement is avoided, the inside of the positioning groove 9 is hinged with the pulling plate 10 through a pin shaft, the inside of the positioning groove 9 is fixedly connected with the rubber sleeve I17, the surface of the pulling plate 10 is in contact with the inner wall of the rubber sleeve I17, the, through setting up rubber sleeve 17 and reinforcing plate 18, can increase the frictional force between arm-tie 10 and the constant head tank 9, avoided arm-tie 10 to appear rocking the phenomenon when the installation, improved the stability when arm-tie 10 is installed, fixed slot 11 has been seted up on the surface of adapter sleeve 4, and the right-hand member of arm-tie 10 passes fixed slot 11 and extends to the inside fixedly connected with arc 12 of adapter sleeve 4.

When the protective shell is used, a user firstly holds the L-shaped rod 13 and rotates, the L-shaped rod 13 drives the transmission sleeve 6 to rotate, the transmission sleeve 6 drives the positioning sleeve 8 to move rightwards through the clamping sleeve 7, the positioning sleeve 8 drives the arc-shaped plate 12 to be separated from the connecting sleeve 4, the pulling plate 10 can be rotated at the moment, when the pulling plate 10 is separated from the fixed groove 11, the sealing shell 3 can be taken down, so that the protective shell can be conveniently detached by the user, when the sealing shell 3 needs to be installed, the sealing shell 3 is firstly sleeved on the right side of the dry screw pump, then the pulling plate 10 is rotated to be clamped into the inside of the fixed groove 11, the rubber sleeve I17 can generate friction with the surface of the pulling plate 10, the phenomenon that the pulling plate 10 rotates is avoided, at the moment, the L-shaped rod 13 can be rotated reversely, the L-shaped rod 13 can drive the transmission sleeve 6 to rotate, the transmission sleeve, the positioning sleeve 8 drives the arc-shaped plate 12 to compress and fix the connecting sleeve 4 leftwards through the pulling plate 10, meanwhile, the fixing sleeve 211 drives the wafer 214 to compress the rubber sleeve II 212 and is clamped into the clamping groove 213 to limit the transmission sleeve 6, and the use can be completed.

To sum up, this dismouting mechanism of dry-type screw pump casing, it moves to right to drive position sleeve 8 through cutting ferrule 7 by transmission sleeve 6, make position sleeve 8 drive arc 12 break away from adapter sleeve 4, at this moment rotatable arm-tie 10, when arm-tie 10 breaks away from fixed slot 11, can take off sealed housing 3, thereby possessed convenient to use person and carried out the advantage of dismantling to protective housing, protective housing who has solved current dry-type screw pump is installed on the surface of pump barrel through a plurality of bolts, need dismantle one by one a plurality of bolts through the instrument when dismantling the maintenance, just can take off protective housing, the problem of maintenance efficiency has been reduced to a certain extent, certain degree has improved maintenance efficiency, be convenient for people to use.

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

1. The utility model provides a dismouting mechanism of dry-type screw pump casing, includes bottom plate (1), its characterized in that: a dry-type screw pump body (2) is fixedly arranged at the top of the bottom plate (1), a sealing shell (3) is arranged at the right side of the dry-type screw pump body (2), the surface of the sealing shell (3) is fixedly connected with a connecting sleeve (4), the surface of the dry-type screw pump body (2) is fixedly connected with a threaded cylinder (5) positioned on the left side of the connecting sleeve (4), the surface of the threaded cylinder (5) is in threaded connection with a transmission sleeve (6), the surface of the transmission sleeve (6) is sleeved with a clamping sleeve (7), a positioning sleeve (8) is fixedly connected to the right side of the cutting sleeve (7), a positioning groove (9) is arranged on the surface of the positioning sleeve (8), a pulling plate (10) is hinged inside the positioning groove (9) through a pin shaft, a fixing groove (11) is arranged on the surface of the connecting sleeve (4), the right end of the pulling plate (10) penetrates through the fixing groove (11) and extends to the inner part of the connecting sleeve (4) to be fixedly connected with an arc-shaped plate (12).

2. The disassembly and assembly mechanism of a dry screw pump housing of claim 1, wherein: the surface of the transmission sleeve (6) is fixedly connected with an L-shaped rod (13), and the surface of the L-shaped rod (13) is fixedly connected with a sponge sleeve (14).

3. The disassembly and assembly mechanism of a dry screw pump housing of claim 2, wherein: the surface fixed connection of transmission cover (6) is connected with stop collar (15) that are located between L shape pole (13) and cutting ferrule (7), the surperficial sliding connection of cutting ferrule (7) is in the inside of stop collar (15), the top and the equal fixedly connected with backup pad (16) in bottom of stop collar (15), the top fixed connection of backup pad (16) is on the surface of L shape pole (13).

4. The disassembly and assembly mechanism of a dry screw pump housing of claim 1, wherein: the inside fixedly connected with rubber sleeve (17) of constant head tank (9), the surface of arm-tie (10) contacts with the inner wall of rubber sleeve (17), the right side fixedly connected with reinforcing plate (18) of cutting ferrule (7), the bottom fixed connection of reinforcing plate (18) is on the surface of constant head tank (8).

5. The disassembly and assembly mechanism of a dry screw pump housing of claim 1, wherein: a sliding groove (19) is formed in the surface of the threaded cylinder (5), a sliding block (20) is fixedly connected to the inner portion of the positioning sleeve (8), and the sliding block (20) is connected to the inner portion of the sliding groove (19) in a sliding mode.

6. The disassembly and assembly mechanism of a dry screw pump housing of claim 1, wherein: the surface of a screw thread section of thick bamboo (5) is provided with stop gear (21), stop gear (21) are including fixed cover (211), rubber sleeve two (212), draw-in groove (213) and disk (214), rubber sleeve two (212) fixed connection is in the left side on screw thread section of thick bamboo (5) surface, fixed cover (211) fixed connection is in the left side of transmission cover (6), the surface at rubber sleeve two (212) is seted up in draw-in groove (213), disk (214) fixed connection is in the top and the bottom of fixed cover (211) inner wall, disk (214) sliding connection is in the inside of draw-in groove (213).