CN110410501B

CN110410501B - Preheating sealing device with self-locking function and use method thereof

Info

Publication number: CN110410501B
Application number: CN201910696854.0A
Authority: CN
Inventors: 周惠
Original assignee: Nanjing Chonon Energy Saving Technology Co ltd
Current assignee: Nanjing Chonon Energy Saving Technology Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-12-25
Anticipated expiration: 2039-07-30
Also published as: CN110410501A

Abstract

The invention discloses a preheating sealing device with a self-locking function and a using method thereof, and particularly relates to a device for realizing sealing and plugging of a pipe fitting by driving a worm gear to rotate through a rotating worm so as to drive a gear to rotate along with the worm gear, driving a toothed plate and a sliding sleeve to slide along a guide rod through the worm gear, and finally driving a sealing plug to move. The upper part of the rear side of the fixed plate is fixedly connected with a connecting column, the rear part of the connecting column is fixedly connected with a mounting plate, two ends of the worm are respectively connected onto the fixed plate and the mounting plate through bearings, and the rear part of the worm is fixedly connected with an adjusting wheel used for adjusting the rotation of the worm.

Description

Preheating sealing device with self-locking function and use method thereof

Technical Field

The invention relates to a sealing structure, in particular to a preheating sealing device with a self-locking function and a using method thereof.

Background

With the increasing strictness of the use conditions of mechanical products, higher requirements are also put forward on the use conditions of rubber sealing products, for example, the rubber sealing products are used in aerospace industry, aviation industry, petroleum and mining industry, engineering machinery, transportation industry, energy industry and the like, and are often suitable for wider temperature environments and harsh environments such as high pressure, sand dust and the like.

The existing sealing assembly is easy to cause the problem of yielding and leakage due to stress yielding after being preheated and expanded, and has larger potential safety hazard in actual production and life.

Disclosure of Invention

Based on the defects in the prior art mentioned in the background art, the invention provides a preheating sealing device with a self-locking function and a using method thereof.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

the utility model provides a preheat sealing device with self-locking function, includes the fixed plate, passes the fixed plate and with it sliding connection's sliding sleeve, fix at the pinion rack of sliding sleeve lower part, rotate the worm that sets up in the fixed plate below, with worm meshing's worm wheel and with worm wheel fixed connection's gear, the rear side upper portion fixed connection spliced pole of fixed plate, the rear portion fixed connection mounting panel of spliced pole, the worm both ends are connected on fixed plate and mounting panel through the bearing respectively, and are used for carrying out the regulating wheel adjusted to the rotation of worm at the rear portion fixedly connected with of worm.

As a further scheme of the invention: the worm wheel and the gear are both rotatably arranged at the rear side of the fixing plate, the gear is meshed with a toothed plate fixed at the lower part of the sliding sleeve, a guide groove matched with the guide rod in a sliding manner is formed in the center of the sliding sleeve, and the rear end of the guide rod is fixedly connected to the mounting plate.

As a still further scheme of the invention: still be provided with fixed establishment on the fixed plate, fixed establishment includes the driven shaft of connecting the worm through bevel gear group, connects the thread bush of driven shaft through the driving medium and threaded connection is at the lead screw on thread bush upper portion, and wherein, the upper end fixedly connected with of lead screw and fixed plate lateral wall sliding connection's grip block.

As a still further scheme of the invention: the driven shaft is rotatably connected to the side wall of the fixing plate, a through hole for the transmission part to pass through is formed in the fixing plate, and the threaded sleeve is also rotatably arranged on the fixing plate.

As a still further scheme of the invention: the bevel gear group comprises a first bevel gear fixed on the worm and a second bevel gear meshed with the first bevel gear and fixed at the upper end of the driven shaft.

A use method of a preheating sealing device with a self-locking function comprises the following steps:

adjusting, namely rotating an adjusting wheel to drive a worm to rotate reversely, and driving a toothed plate, a sliding sleeve and a sealing plug to move backwards to the side closest to a fixed plate;

step two, inserting, namely aligning the sealing plug to the outer opening of the pipe fitting, keeping the sealing plug coaxial with the pipe fitting, and rotating the adjusting wheel in the forward direction to drive the toothed plate, the sliding sleeve and the sealing plug to extend into the pipe fitting;

fixing, adjusting the sealing plug to continuously push until the clamping block is tightly attached to the outer wall of the pipe fitting;

step four, checking, namely swinging the fixed column after the clamping block is attached to the outer wall of the pipe fitting, and checking the shaking condition

As a further scheme of the invention: in the fourth step, the method is divided into the following two steps:

in the first case, the fixed column cannot shake;

and in the second situation, the fixing column is unstable, continuously swings, and is adjusted to be coaxial with the pipe fitting and then is fixed for the second time.

After adopting the structure, compared with the prior art, the invention has the following advantages: drive the worm through rotating the regulating wheel and rotate, drive the worm wheel through the pivoted worm and rotate, thereby drive gear follows the rotation, the gear drives pinion rack and sliding sleeve and slides along the guide bar, finally drive the sealing plug and remove, the realization is tight to the sealing stopper of pipe fitting, because the worm gear transmission has one-way self-locking function, after the regulating wheel is rotated and the sealing plug is fixed, even take place the inflation when the pipe fitting preheats and also can not make the sealing plug step down, self-locking function has.

Drawings

Fig. 1 is a schematic structural diagram of a preheating sealing device with a self-locking function.

Fig. 2 is a schematic structural diagram of a sliding sleeve and a guide groove in the preheating sealing device with a self-locking function.

Fig. 3 is a using state diagram of the preheating sealing device with the self-locking function.

In the figure: 1-fixing the plate; 2-sealing plug; 3, sliding sleeve; 4-a guide rod; 5, mounting a plate; 6-connecting a column; 7-toothed plate; 8-a worm; 9-a regulating wheel; 10-a worm gear; 11-a gear; 12-a first bevel gear; 13-a second bevel gear; 14-a driven shaft; 15-a transmission member; 16-a threaded sleeve; 17-a screw rod; 18-a clamping block; 19-guide groove.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a preheating sealing device with a self-locking function includes a fixing plate 1, a sliding sleeve 3 passing through and slidably connected to the fixing plate 1, a toothed plate 7 fixed at a lower portion of the sliding sleeve 3, a worm 8 rotatably disposed below the fixing plate 1, a worm wheel 10 engaged with the worm 8, and a gear 11 fixedly connected to the worm wheel 10, wherein a connecting column 6 is fixedly connected to an upper portion of a rear side of the fixing plate 1, a mounting plate 5 is fixedly connected to a rear portion of the connecting column 6, two ends of the worm 8 are respectively connected to the fixing plate 1 and the mounting plate 5 through bearings, an adjusting wheel 9 for adjusting rotation of the worm 8 is fixedly connected to the rear portion of the worm 8, and the adjusting wheel 9 is rotated to drive the worm 8 to.

Furthermore, the worm wheel 10 and the gear 11 are both rotatably arranged at the rear side of the fixed plate 1, the gear 11 is meshed with a toothed plate 7 fixed at the lower part of the sliding sleeve 3, a guide groove 19 matched and slidably connected with the guide rod 4 is formed in the center of the sliding sleeve 3, the rear end of the guide rod 4 is fixedly connected to the mounting plate 5, the worm wheel 10 is driven to rotate by the rotating worm 8, thereby the driving gear 11 rotates along with the rotation, the gear 11 drives the toothed plate 7 and the sliding sleeve 3 to slide along the guide rod 4, and finally drives the sealing plug 2 to move, the sealing and the plugging of the pipe fitting are realized, because the worm gear transmission has the one-way self-locking function, that is, only the worm 8 can drive the worm wheel 10 to rotate, but the worm wheel 10 cannot drive the worm 8 to rotate, so that, after the sealing plug 2 is fixed by rotating the adjusting wheel 9, even take place the inflation and can not make sealing plug 2 give way when the pipe fitting preheats, have self-locking function.

In order to better fix the fixing plate 1 and the outer opening of the pipe fitting and prevent the fixing plate 1 from shaking, a fixing mechanism is further arranged on the fixing plate 1, the fixing mechanism comprises a driven shaft 14 connected with a worm 8 through a bevel gear set, a threaded sleeve 16 connected with the driven shaft 14 through a transmission member 15, and a screw rod 17 in threaded connection with the upper part of the threaded sleeve 16, wherein the upper end of the screw rod 17 is fixedly connected with a clamping block 18 in sliding connection with the side wall of the fixing plate 1, the driven shaft 14 is rotatably connected on the side wall of the fixing plate 1, a through hole for the transmission member 15 to pass through is formed in the fixing plate 1, the threaded sleeve 16 is also rotatably arranged on the fixing plate 1, the bevel gear set is driven by the rotating worm 8 to operate so as to drive the driven shaft 14 to rotate, the driven shaft 14 drives the threaded sleeve 16 to rotate by, under the constraint of the clamping block 18, the screw rod 17 can only drive the clamping block 18 to slide up and down along the side wall of the fixing plate 1, so that the outer wall of the pipe fitting is clamped, and the function of clamping the outer opening of the pipe fitting and the fixing plate 1 is realized; the bevel gear set comprises a first bevel gear 12 fixed on the worm 8 and a second bevel gear 13 meshed with the first bevel gear 12 and fixed at the upper end of a driven shaft 14, and the worm 8 is used for driving the first bevel gear 12 to rotate so as to drive the second bevel gear 13 to drive the driven shaft 14 to rotate.

Example 2

step four, the inspection, after grip block and pipe fitting outer wall laminating, the swing fixed column, the inspection rocks the condition, divide into following two kinds:

in the first situation, the fixing column cannot shake, so that the clamping block is firmly clamped with the outer wall of the pipe fitting, and the sealing plug is coaxial with the pipe fitting;

and in the second situation, the fixing column is unstable, the sealing plug and the pipe fitting are not coaxial, the fixing column is continuously swung, and the fixing column is adjusted to be coaxial with the pipe fitting and then fixed for the second time.

From the above detailed description of the embodiments, it is easy to understand that the working principle of the present invention is: the worm 8 is driven to rotate by rotating the adjusting wheel 9, the worm wheel 10 is driven to rotate by the rotating worm 8, so that the driving gear 11 rotates along with the rotation, the gear 11 drives the toothed plate 7 and the sliding sleeve 3 to slide along the guide rod 4, and finally the sealing plug 2 is driven to move, so that the sealing plug of the pipe fitting is plugged, because the worm-gear transmission has a one-way self-locking function, namely only the worm 8 can drive the worm wheel 10 to rotate, but the worm wheel 10 cannot drive the worm 8 to rotate, therefore, after the sealing plug 2 is fixed by rotating the adjusting wheel 9, the sealing plug 2 cannot be abducted even if the pipe fitting is preheated, the self-locking function is realized, the rotating worm 8 drives the bevel gear set to operate so as to drive the driven shaft 14 to rotate, the driven shaft 14 utilizes the transmission part 15 to drive the threaded sleeve 16 to rotate, the threaded sleeve 16 drives the screw rod 17, the screw rod 17 can only drive the clamping block 18 to slide up and down along the side wall of the fixing plate 1 so as to clamp the outer wall of the pipe fitting and realize the clamping function between the outer opening of the pipe fitting and the fixing plate 1, and the worm 8 is utilized to drive the first bevel gear 12 to rotate so as to drive the second bevel gear 13 to drive the driven shaft 14 to rotate.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. The preheating sealing device with the self-locking function comprises a fixing plate (1), a sliding sleeve (3) penetrating through the fixing plate (1) and connected with the fixing plate in a sliding mode, a toothed plate (7) fixed to the lower portion of the sliding sleeve (3), a worm (8) rotatably arranged below the fixing plate (1), a worm wheel (10) meshed with the worm (8), and a gear (11) fixedly connected with the worm wheel (10), and is characterized in that a connecting column (6) is fixedly connected to the upper portion of the rear side of the fixing plate (1), a mounting plate (5) is fixedly connected to the rear portion of the connecting column (6), two ends of the worm (8) are respectively connected to the fixing plate (1) and the mounting plate (5) through bearings, and an adjusting wheel (9) used for adjusting rotation of the worm (8) is fixedly connected to the rear portion of the;

the fixing plate (1) is further provided with a fixing mechanism, the fixing mechanism comprises a driven shaft (14) connected with the worm (8) through a bevel gear set, a thread sleeve (16) connected with the driven shaft (14) through a transmission piece (15), and a screw rod (17) in threaded connection with the upper part of the thread sleeve (16), wherein the upper end of the screw rod (17) is fixedly connected with a clamping block (18) in sliding connection with the side wall of the fixing plate (1); the worm wheel (10) and the gear (11) are both rotatably arranged at the rear side of the fixed plate (1), the gear (11) is meshed with a toothed plate (7) fixed at the lower part of the sliding sleeve (3), a guide groove (19) matched and slidably connected with the guide rod (4) is formed in the center of the sliding sleeve (3), and the rear end of the guide rod (4) is fixedly connected to the mounting plate (5); drive worm wheel (10) through pivoted worm (8) and rotate to drive gear (11) follow the rotation, gear (11) drive pinion rack (7) and sliding sleeve (3) slide along guide bar (4), finally drive sealing plug (2) and remove, realize the sealed jam to the pipe fitting.

2. The preheating sealing device with the self-locking function according to claim 1, wherein the driven shaft (14) is rotatably connected to the side wall of the fixing plate (1), a through hole for the transmission member (15) to pass through is formed in the fixing plate (1), and the threaded sleeve (16) is also rotatably arranged on the fixing plate (1).

3. The preheating sealing device with the self-locking function according to claim 1, wherein the bevel gear set comprises a first bevel gear (12) fixed on the worm (8), and a second bevel gear (13) engaged with the first bevel gear (12) and fixed on the upper end of the driven shaft (14).

4. A method for using a preheating sealing device with a self-locking function according to claim 3, characterized by comprising the following steps:

and step four, checking, namely swinging the fixed column to check the shaking condition after the clamping block is attached to the outer wall of the pipe fitting.

5. The use method of the preheating sealing device with the self-locking function according to claim 4, characterized in that in the fourth step, the following two steps are divided:

in the first situation, the clamping block and the outer wall of the pipe fitting are clamped firmly, and the fixing column cannot shake;

and in the second situation, the sealing plug and the pipe fitting are not coaxial, the fixing column is unstable, the fixing column is continuously swung, and the fixing column is adjusted to be coaxial with the pipe fitting and then fixed for the second time.