CN219452874U

CN219452874U - Connection sealing device of mechanical structure

Info

Publication number: CN219452874U
Application number: CN202320523402.4U
Authority: CN
Inventors: 田学锋; 冯晓杰; 刘雄清
Original assignee: GUANGDONG SONGSHAN POLYTECHNIC COLLEGE
Current assignee: GUANGDONG SONGSHAN POLYTECHNIC COLLEGE
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-01
Anticipated expiration: 2033-03-16

Abstract

The utility model relates to the technical field of connecting sealing elements, in particular to a connecting sealing device of a mechanical structure, which comprises a stirrer shell, a driving shaft and a sealing block, wherein the driving shaft is arranged at a position close to the middle of the bottom end of the stirrer shell, the sealing block is movably sleeved on the outer surface of the driving shaft, a mounting ring is arranged at the position close to one end of the outer surface of the sealing block through a bearing ring, a first sealing ring is movably sleeved at the position close to one side of the outer surface of the sealing block corresponding to the mounting ring, two groups of first placing grooves are formed at the position close to the middle of the outer surface of the sealing block, and second sealing rings are arranged inside the two groups of first placing grooves. The sealing device has the advantages that the problems that in the prior art, the sealing device is not tight in sealing, and materials are easy to leak due to the fact that the sealing block, the first sealing ring, the second sealing ring, the third sealing ring and other parts are arranged, the sealing tool commonly used at the joint of the bottom end of the stirring shaft and the bottom end of the stirring machine is in threaded connection, flange connection, clamp connection and clamping sleeve connection.

Description

Connection sealing device of mechanical structure

Technical Field

The utility model relates to the technical field of connecting sealing elements, in particular to a connecting sealing device with a mechanical structure.

Background

The junction of (mixing) shaft among the concrete mixer and the bottom inner wall of mixer needs to be used to connect the sealing member and carries out corresponding sealedly, and can not influence the normal operating rotation of (mixing) shaft in sealed.

Under the prior art, the sealing tool commonly used in the bottom junction of (mixing) shaft and mixer has threaded connection, flange joint, clamp connection and cutting ferrule type connection, and this kind of sealing member has sealed not tight, easily reveal material scheduling problem, and exists current sealing member installation complicacy simultaneously, needs winding auxiliary material and sealing member can only disposable, when breaking down, inconvenient dismantles the problem of overhauling, so need to carry out corresponding improvement to above-mentioned problem, and then can solve above-mentioned problem.

Disclosure of Invention

The present utility model is directed to a mechanical connection sealing device, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mechanical structure's connection sealing device, includes mixer casing, drive shaft and sealing block, and the drive shaft is located the bottom of mixer casing and leans on the intermediate position to set up, and sealing block movable sleeve establishes on the surface of drive shaft, the outward surface of sealing block is by the position of one end to install the collar through the bearing ring, and the outward surface of sealing block is by the position movable sleeve that the collar corresponds one side to be equipped with first sealing washer, two sets of first standing grooves have been seted up to the outward surface of sealing block by the intermediate position, and the inside of two sets of first standing grooves all is provided with the second sealing washer, the outward surface of sealing block is by the second standing groove of the position of one end, and the inside of second standing groove is provided with the third sealing washer.

Preferably, four groups of fixing plates are arranged on the side face of the mounting ring, and fixing bolts are movably screwed in the four groups of fixing plates.

Preferably, four groups of threaded holes are formed in the bottom end of the mixer shell, and corresponding ends of the four groups of fixing bolts are in movable threaded connection with the corresponding threaded holes respectively.

Preferably, four groups of sliding grooves are formed in the position, close to one end, of the outer surface of the driving shaft, and the four groups of sliding grooves are arranged in a central symmetry mode by taking the center point of the driving shaft as a center point.

Preferably, four groups of sliding blocks are arranged at the position close to one end of the inner wall of the sealing block, and the four groups of sliding blocks are respectively positioned in the corresponding sliding grooves and are in sliding connection with the sliding grooves.

Preferably, a through hole is formed in the inner wall of the bottom end of the mixer housing near the sealing block, and the corresponding end of the sealing block penetrates through the inner wall of the bottom end of the mixer housing through the through hole and extends to the inside of the mixer housing.

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

the sealing device has the advantages that the problems that in the prior art, the sealing device is not tight in sealing, and materials are easy to leak due to the fact that the sealing block, the first sealing ring, the second sealing ring, the third sealing ring and other parts are arranged, the sealing tool commonly used at the joint of the bottom end of the stirring shaft and the bottom end of the stirring machine is in threaded connection, flange connection, clamp connection and clamping sleeve connection.

When the sealing block is required to be overhauled after long-term use, a user can rotate the four groups of fixing bolts, so that one ends corresponding to the fixing bolts can be rotated out of the interiors of the corresponding threaded holes respectively, the corresponding fixing plates can be separated from the bottom surface of the mixer shell, after separation, the sealing block can be moved to the corresponding side by the user, in the moving process, the corresponding sliding blocks can be respectively slid in the interiors of the corresponding sliding grooves, the sealing block is enabled to be more stable when moving, when the sealing block is completely moved out of the interiors of the through holes formed in the bottom end of the mixer shell, the first sealing ring, the two groups of second sealing rings and the third sealing ring which are arranged on the outer surface of the sealing block can be replaced and maintained, after corresponding operation is finished, the sealing block can be installed to the initial position according to the operation, and otherwise, the sealing block can be continuously used and continuously plays a role in sealing.

Drawings

Fig. 1 is a schematic perspective view of the structure of the main body of the present utility model.

Fig. 2 is a schematic perspective view of the seal block of the present utility model.

Fig. 3 is a schematic structural perspective view of the second seal ring of the present utility model.

Fig. 4 is a perspective view showing the internal structure of the mixer housing of the present utility model.

In the figure: 1. a mixer housing; 2. a drive shaft; 21. a chute; 3. a sealing block; 31. a mounting ring; 32. a fixing plate; 33. a fixing bolt; 34. a first seal ring; 35. a first placement groove; 351. a second seal ring; 36. a second placement groove; 361. a third seal ring; 37. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a mechanical structure's connection sealing device, including mixer casing 1, drive shaft 2 and sealing block 3, drive shaft 2 is located mixer casing 1's bottom and leans on the intermediate position to set up, and sealing block 3 movable sleeve establishes on drive shaft 2's surface, two sets of first standing grooves 35 have been seted up to sealing block 3's bottom inner wall by sealing block 3's position, and sealing block 3's corresponding one end runs through in mixer casing 1's bottom inner wall and extends to mixer casing 1's inside through the through hole, sealing block 3's surface is by the position of one end through the bearing ring install collar 31, and sealing block 3's surface is by the position movable sleeve of collar 31 corresponding one side be equipped with first sealing washer 34, first sealing washer 34's surface and mixer casing 1's bottom surface laminating mutually set up, thereby can play sealed effect to mixer casing 1's bottom surface, and sealing block 3's surface is by intermediate position seted up two sets of first standing grooves 35, and two sets of inside of first standing grooves 35 all are provided with second sealing washer 351, two sets of second sealing rings 351 are located the inside through hole, thereby can play sealed inner wall 36 to running through hole's inside to the inside of inner wall of the inside of sealing block 3, thereby the inner wall that sets up to the inside sealing washer 361, and sealing washer 361 is equipped with the inner wall of sealing washer 1.

Four groups of fixing plates 32 are arranged on the side face of the mounting ring 31, fixing bolts 33 are movably screwed in the four groups of fixing plates 32, four groups of threaded holes are formed in the bottom end of the mixer shell 1, and corresponding ends of the four groups of fixing bolts 33 are movably screwed with corresponding threaded holes respectively.

Four groups of sliding grooves 21 are formed in the position, close to one end, of the outer surface of the driving shaft 2, the four groups of sliding grooves 21 are arranged in a central symmetry mode by taking the center point of the driving shaft 2 as a center point, four groups of sliding blocks 37 are arranged in the position, close to one end, of the inner wall of the sealing block 3, and the four groups of sliding blocks 37 are located in the corresponding sliding grooves 21 respectively and are in sliding connection with the sliding grooves.

When the stirrer is used, when the driving shaft 2 rotates, the sealing block 3 can correspondingly rotate along with the stirrer, the outer surface of the first sealing ring 34 is attached to the outer surface of the bottom end of the stirrer shell 1, so that the first sealing ring 34 can play a role in sealing the outer surface of the bottom end of the stirrer shell 1, the two groups of second sealing rings 351 are positioned in the through holes, the two groups of second sealing rings 351 can play a role in sealing the inside of the through holes, the third sealing ring 361 is attached to the inner wall of the bottom end of the stirrer shell 1, the third sealing ring 361 can play a role in sealing the inner wall of the bottom end of the stirrer shell 1, and the joint between the stirrer shell 1 and the driving shaft 2 can be sealed in multiple ways through the arrangement, so that the tightness is further improved.

When the sealing block 3 needs to be overhauled after long-term use, a user rotates the four groups of fixing bolts 33, so that one ends corresponding to the fixing bolts 33 can be respectively rotated from the interiors of the corresponding threaded holes, the corresponding fixing plates 32 can be separated from the bottom surface of the mixer housing 1, after separation, the sealing block 3 can be moved to the corresponding side by the user, in the moving process, the corresponding four groups of sliding blocks 37 can respectively slide in the interiors of the corresponding sliding grooves 21, the sealing block 3 is enabled to be more stable in moving, when the sealing block 3 completely moves out from the interiors of the through holes formed in the bottom end of the mixer housing 1, the first sealing ring 34, the two groups of second sealing rings 351 and the third sealing ring 361 arranged on the outer surface of the sealing block 3 can be replaced and maintained, after the corresponding operation is finished, the sealing block 3 can be mounted to the initial position according to the operation, and conversely, the sealing block 3 can be used continuously and can be sealed continuously.

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

Claims

1. The utility model provides a mechanical structure's connection sealing device, includes mixer casing (1), drive shaft (2) and sealing block (3), and drive shaft (2) are located the bottom of mixer casing (1) and lean on the position in the middle to set up, and sealing block (3) movable sleeve establish on the surface of drive shaft (2), its characterized in that: the outer surface of sealing block (3) is by the position of one end through the holding ring install collar (31), and the outer surface of sealing block (3) is by the position movable sleeve of one side that holding ring (31) corresponds first sealing washer (34), two sets of first standing grooves (35) have been seted up to the outer surface of sealing block (3) by the position in the middle, and the inside of two sets of first standing grooves (35) all is provided with second sealing washer (351), second standing groove (36) have been seted up to the outer surface of sealing block (3) by the position of one end, and the inside of second standing groove (36) is provided with third sealing washer (361).

2. A mechanical connection seal according to claim 1, wherein: four groups of fixing plates (32) are arranged on the side face of the mounting ring (31), and fixing bolts (33) are movably screwed in the four groups of fixing plates (32).

3. A mechanical connection seal according to claim 2, wherein: four groups of threaded holes are formed in the bottom end of the mixer shell (1), and corresponding ends of the four groups of fixing bolts (33) are in movable threaded connection with the corresponding threaded holes respectively.

4. A mechanical connection seal according to claim 1, wherein: four groups of sliding grooves (21) are formed in the position, close to one end, of the outer surface of the driving shaft (2), and the four groups of sliding grooves (21) are symmetrically arranged in a central mode by taking the center point of the driving shaft (2) as a central point.

5. A mechanical connection seal according to claim 4, wherein: four groups of sliding blocks (37) are arranged at the position, close to one end, of the inner wall of the sealing block (3), and the four groups of sliding blocks (37) are respectively positioned in the corresponding sliding grooves (21) and are in sliding connection with the sliding grooves.

6. A mechanical connection seal according to claim 1, wherein: through holes are formed in the inner wall of the bottom end of the stirrer shell (1) close to the sealing block (3), and one corresponding end of the sealing block (3) penetrates through the inner wall of the bottom end of the stirrer shell (1) through the through holes and extends to the inside of the stirrer shell (1).