CN212867245U - Supporting wheel seat of vacuum box sealing door - Google Patents
Supporting wheel seat of vacuum box sealing door Download PDFInfo
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- CN212867245U CN212867245U CN202020900886.6U CN202020900886U CN212867245U CN 212867245 U CN212867245 U CN 212867245U CN 202020900886 U CN202020900886 U CN 202020900886U CN 212867245 U CN212867245 U CN 212867245U
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Abstract
The utility model discloses a supporting wheel seat of vacuum chamber sealing door, which comprises a door plank, the downside of door plant is provided with a plurality of gyro wheels, and the pivot corresponds and is provided with the mounting groove between the door plant, is provided with first installation pipe and second installation pipe in the mounting groove, is connected with the collar, and an organic whole is connected with the snap ring, is provided with the bearing between two snap rings. Cup joint first installation pipe and second installation pipe in the bearing both sides, dock through rotatory mode, first installation pipe and second installation pipe are close to each other in the pivoted, the outer ring side at the bearing is extruded each other along with the snap ring that is close to simultaneously, fix the bearing, at last in order to improve the installation stability between collar and the mounting groove, set up the mounting hole in the corresponding position of collar, fix the collar in the position of mounting groove through the bolt, can be quick through the mode of dismantling first installation pipe and second installation pipe, simple and convenient change.
Description
Technical Field
The utility model belongs to the technical field of vacuum chamber helium leak hunting, especially relate to a supporting wheel seat of vacuum chamber sealing door.
Background
The helium mass spectrum leak detection method is an ideal method for quickly positioning and quantitatively detecting leaks of various containers needing to be sealed by taking helium as exploration gas according to the principle of mass spectrum analysis, and has no pollution to the atmosphere and safe use because the helium is inert gas; the helium has small atomic weight, small viscosity, easy permeation through any possible leak hole, high detection sensitivity, high speed and wide application range. The box helium leak detection device of vacuum still includes the box that is used for the evacuation, one side of box sets up sealing door, the door includes the frame of a rectangle, the upper and lower both sides of sealing door slide with the upper and lower both sides of frame respectively, the frame corresponds the articulated setting in one side with the box simultaneously, frame and box upset cooperation, in the use when needs close sealing door, move sealing door to corresponding the open position of box along the frame, then start the frame and be close to the box, frame drive sealing door compresses tightly the uncovered position at the box, play the effect of sealed box.
In order to improve the sufficient sealing effect, the door plate for sealing the vacuum box must bear sufficient pressure, the existing metal steel basically adopted has larger weight and is difficult to move, so the roller is arranged at the lower side of the door plate, and in order to improve the rolling fluency between the roller and the door plate, a bearing is arranged between the roller and a through hole of the door plate, and the bearing is used for a period of time and needs to be replaced as the weight of the door plate is large. Therefore, the utility model discloses the main problem of solving is because the embedded installation door plant downside of bearing leads to being difficult to the problem of changing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a supporting wheel seat of vacuum chamber sealing door, the main problem of solving is because the embedded installation door plant downside of bearing leads to being difficult to the problem of changing.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a supporting wheel seat of a vacuum box sealing door comprises a door plate, wherein a plurality of rollers are arranged on the lower side of the door plate, rotating shafts are axially arranged on the rollers, and mounting grooves are formed between the rotating shafts and the door plate correspondingly;
a first mounting pipe and a second mounting pipe are arranged in the mounting groove, the first mounting pipe and the second mounting pipe are mutually sleeved and in threaded fit, the opposite ends of the first mounting pipe and the second mounting pipe are integrally connected with mounting rings, the inner side walls of the first mounting pipe and the second mounting pipe are integrally connected with snap rings, a bearing is arranged between the two snap rings, and the inner side wall of the bearing is sleeved on the rotating shaft;
the mounting ring and the clamping ring are both parallel to the radial direction of the first mounting pipe or the second mounting pipe;
a plurality of mounting holes are correspondingly formed in the two mounting rings, and bolts are arranged in the mounting holes.
Further, the supporting wheel seat of the vacuum box sealing door is characterized in that a threaded portion is arranged at the end of the rotating shaft, and a nut is arranged on the threaded portion.
Further, a gasket is arranged between the nut and the mounting ring.
Further, a supporting wheel seat of the vacuum box sealing door is provided with wheel grooves for accommodating the rollers at positions of the door plate corresponding to the rollers.
Further, a supporting wheel seat of vacuum box sealing door, the axial of gyro wheel is provided with the ring channel, the ring channel cross-section is isosceles trapezoid.
The utility model discloses following beneficial effect has:
cup joint first installation pipe and second installation pipe in the bearing both sides, dock through rotatory mode, first installation pipe and second installation pipe are close to each other when the pivoted, and the snap ring that accompanies simultaneously being close to extrudes each other in the outer loop side of bearing, fixes the bearing, and at last for the installation stability that improves between collar and the mounting groove, set up the mounting hole in the corresponding position of collar, fix the collar in the position of mounting groove through the bolt.
Because the bearing is fixed through the mode of the mutual block of first installation pipe and second installation pipe, and first second installation pipe is fixed in the mounting groove through the collar again, makes the bearing more stable at the pivoted in-process, and the door plant is more smooth when utilizing the gyro wheel to remove. When the bearing is seriously worn, the first mounting pipe and the second mounting pipe can be quickly and conveniently replaced by disassembling.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the utility model discloses pivot end structure picture.
FIG. 2: the utility model discloses bearing installation structure picture.
FIG. 3: the utility model discloses door plant bottom structure picture.
In the drawings, the components represented by the respective reference numerals are listed below:
the door plate comprises a door plate 1, a roller 2, a rotating shaft 21, a mounting groove 11, a first mounting pipe 31, a second mounting pipe 32, a mounting ring 4, a clamping ring 33, a bearing 5, a mounting hole 41, a bolt 42, a threaded portion 22, a nut 23, a gasket 24, a wheel groove 12 and an annular groove 25.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1-3: a supporting wheel seat of a vacuum box sealing door comprises a door plate 1, wherein a plurality of rollers 2 are arranged on the lower side of the door plate 1, rotating shafts 21 are axially arranged on the rollers 2, and mounting grooves 11 are formed between the rotating shafts 21 and the door plate 1; it should be noted that the positions of the rollers may be two, respectively, in front of and behind the door panel, and the corresponding rollers are arranged side by side, or two rollers are arranged in front of and behind.
A first installation pipe 31 and a second installation pipe 32 are arranged in the installation groove 11, the first installation pipe 31 and the second installation pipe 32 are mutually sleeved and in threaded fit, opposite ends of the first installation pipe 31 and the second installation pipe 32 are integrally connected with installation rings 4, inner side walls of the first installation pipe 31 and the second installation pipe 32 are integrally connected with clamping rings 33, a bearing 5 is arranged between the two clamping rings 33, and the inner side wall of the bearing 5 is sleeved on the rotating shaft 21;
the mounting ring 4 and the clamping ring 33 are both parallel to the radial direction of the first mounting pipe 31 or the second mounting pipe 32;
the two mounting rings 4 are correspondingly provided with a plurality of mounting holes 41, and bolts 42 are arranged in the mounting holes 41.
The utility model provides an installation, cup joint the tip in the pivot earlier with the bearing, then place the bearing in the mounting groove that corresponds, in order to improve the stability of bearing, cup joint first installation pipe and second installation pipe in the bearing both sides, dock through rotatory mode, first installation pipe and second installation pipe are close to each other in the pivoted, the outer ring side at the bearing is extruded each other to the snap ring that accompanies simultaneously being close to, fix the bearing, at last in order to improve the installation stability between collar and the mounting groove, set up the mounting hole in the corresponding position of collar, fix the position at the mounting groove with the collar through the bolt, the door plant position that the mounting groove corresponds can supply the bolt to pass through the mode of screw, be used for improving the installation stability.
Because the bearing is fixed through the mode of the mutual block of first installation pipe and second installation pipe, and first second installation pipe is fixed in the mounting groove through the collar again, makes the bearing more stable at the pivoted in-process, and the door plant is more smooth when utilizing the gyro wheel to remove. When the bearing is seriously worn, the first mounting pipe and the second mounting pipe can be quickly and conveniently replaced by disassembling.
As shown in fig. 1: the end of the rotating shaft 21 is provided with a threaded portion 22, and the threaded portion 22 is provided with a nut 23. The nut is used for locking the position of the roller and preventing the roller from shifting or derailing in the moving process.
As shown in fig. 1: a gasket 24 is arranged between the nut 23 and the mounting ring 4. The gasket prevents friction between the nut and the mounting ring, while preventing dust from entering the bearing.
As shown in fig. 3: the door panel 1 is provided with a wheel groove 12 for accommodating the roller 2 at a position corresponding to the roller 2. Avoid the use of door plant downside gyro wheel support, be favorable to reducing the focus of door plant, improve the mobility stability.
The axial of gyro wheel 2 is provided with ring channel 25, ring channel 25 cross-section is isosceles trapezoid.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A supporting wheel seat of a vacuum box sealing door comprises a door plate (1), wherein a plurality of rollers (2) are arranged on the lower side of the door plate (1), rotating shafts (21) are axially arranged on the rollers (2), and mounting grooves (11) are formed between the rotating shafts (21) and the door plate (1); the method is characterized in that:
a first installation pipe (31) and a second installation pipe (32) are arranged in the installation groove (11), the first installation pipe (31) and the second installation pipe (32) are mutually sleeved and matched in a threaded manner, opposite ends of the first installation pipe (31) and the second installation pipe (32) are uniformly and integrally connected with an installation ring (4), inner side walls of the first installation pipe (31) and the second installation pipe (32) are respectively and integrally connected with a clamping ring (33), a bearing (5) is arranged between the two clamping rings (33), and the inner side wall of the bearing (5) is sleeved on the rotating shaft (21);
the mounting ring (4) and the clamping ring (33) are both parallel to the radial direction of the first mounting pipe (31) or the second mounting pipe (32); a plurality of mounting holes (41) are correspondingly formed in the two mounting rings (4), and bolts (42) are arranged in the mounting holes (41).
2. The supporting wheel seat of the vacuum box sealing door according to claim 1, characterized in that: the end of the rotating shaft (21) is provided with a threaded part (22), and the threaded part (22) is provided with a nut (23).
3. The supporting wheel seat of the vacuum box sealing door according to claim 2, characterized in that: and a gasket (24) is arranged between the screw cap (23) and the mounting ring (4).
4. The supporting wheel seat of the vacuum box sealing door according to claim 1, characterized in that: the door plate (1) is provided with wheel grooves (12) for accommodating the rollers (2) at positions corresponding to the rollers (2).
5. The supporting wheel seat of the vacuum box sealing door according to claim 1, characterized in that: the axial of gyro wheel (2) is provided with ring channel (25), ring channel (25) cross-section is isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020900886.6U CN212867245U (en) | 2020-05-23 | 2020-05-23 | Supporting wheel seat of vacuum box sealing door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020900886.6U CN212867245U (en) | 2020-05-23 | 2020-05-23 | Supporting wheel seat of vacuum box sealing door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212867245U true CN212867245U (en) | 2021-04-02 |
Family
ID=75205416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020900886.6U Active CN212867245U (en) | 2020-05-23 | 2020-05-23 | Supporting wheel seat of vacuum box sealing door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212867245U (en) |
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2020
- 2020-05-23 CN CN202020900886.6U patent/CN212867245U/en active Active
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