CN213627276U - Driving device for door frame and door plate in vacuum leak detection system - Google Patents
Driving device for door frame and door plate in vacuum leak detection system Download PDFInfo
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- CN213627276U CN213627276U CN202020900811.8U CN202020900811U CN213627276U CN 213627276 U CN213627276 U CN 213627276U CN 202020900811 U CN202020900811 U CN 202020900811U CN 213627276 U CN213627276 U CN 213627276U
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- door
- cylindrical hole
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- polished rod
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Abstract
The utility model discloses a drive arrangement of door frame and door plant in vacuum leak hunting system, including vacuum box, door frame and door plant, the polished rod corresponds all to be provided with the fixed block with the junction of door plant or frame, and the inside of fixed block has set gradually the first cylinder hole, second cylinder hole and the third cylinder hole that communicate each other, is provided with the connecting axle in the second cylinder hole, and the bearing has been cup jointed to the part that the connecting axle is located first cylinder hole. The effect that the connecting axle passes through the bearing is unsettled in second cylinder hole and third cylinder hole, when the effect of polished rod power transmits to the connecting axle, the connecting axle slides and promotes the commentaries on classics board in the bearing, with the effect of power transmission to the fixed block on, the effect of connecting axle not only transmission drive power has the rotation compensation regulation effect of small angle simultaneously, will be different from the removal effort of horizontal direction and dissolve, prevent that the polished rod from receiving the rigidity effort and leading to pneumatic cylinder leakproofness to receive the influence.
Description
Technical Field
The utility model belongs to the technical field of vacuum chamber helium leak hunting, especially relate to a drive arrangement of door frame and door plant in vacuum leak hunting system.
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; helium has small atomic weight, small viscosity, easy permeation through any possible leak hole, high detection sensitivity, high speed and wide application range; besides, the content of helium in the atmosphere is small, the mass of particles is greatly different from that of other gas particles, and the helium is not easily interfered. Compared with the prior leakage detection methods such as a bubble method, a halogen leakage detection method and the like, the method has obvious advantages.
The box helium leak detection device of vacuum still is including the box that is used for the evacuation, one side of box sets up sealing door, the door includes the door frame of a rectangle, the upper and lower both sides of sealing door slide with the upper and lower both sides of door frame respectively, the door frame corresponds the articulated setting in one side with the box simultaneously, door frame and box upset cooperation, in the time of need closing sealing door in the use, move sealing door along the door frame to corresponding the open position of box, then start the door frame and be close to the box, door frame drive sealing door compresses tightly the uncovered position at the box, play the effect of sealed box, when opening the box, the box is kept away from along with drive sealing door to the in-process that the box was kept away from to the drive door frame simultaneously, remove sealing door once more and make sealing door remove and relieve the sheltering. The pneumatic cylinder device is usually adopted for driving the sealing door and the door frame, the pneumatic cylinder is controlled by an electrical cabinet in a programmed mode, the pneumatic cylinder further comprises a polished rod used for pushing, the polished rod is matched with the pneumatic cylinder in a telescopic mode, one end of the existing polished rod is matched with the pneumatic cylinder in a telescopic mode, the other end of the existing polished rod is fixedly connected with the sealing door or the door frame, due to the fact that the moving path of the sealing door is not in an absolute flat state, rigid abrasion of the connecting part of the polished rod can be caused by slight floating, finally the sealing performance. Therefore, the utility model discloses mainly solve because polished rod and sealing door or door frame rigid connection, the polished rod receives the rigid drive power effect pneumatic cylinder, leads to the problem that pneumatic cylinder leakproofness worsens and life shortens.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drive arrangement of door frame and door plant in vacuum leak hunting system, main solution is because polished rod and sealing door or door frame rigid connection, the polished rod receives the rigid drive power effect pneumatic cylinder, leads to the problem that pneumatic cylinder leakproofness variation and life shorten.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a driving device for a door frame and a door plate in a vacuum leak detection system comprises a vacuum box, the door frame and the door plate, wherein the door plate is arranged on the door frame and is in sliding fit with the upper side and the lower side of the door frame;
a first pneumatic cylinder for driving the door plate to move is arranged on the lower side of the door frame, a second pneumatic cylinder for driving the door frame is arranged on the side wall of the vacuum box, the first pneumatic cylinder and the second pneumatic cylinder are both provided with a polished rod, and a fixed block is arranged at the position, corresponding to the connection part of the polished rod and the door plate or the door frame, of the polished rod;
a first cylindrical hole, a second cylindrical hole and a third cylindrical hole which are communicated with each other are sequentially arranged in the fixed block, a connecting shaft is arranged in the second cylindrical hole, one end of the connecting shaft extends to the outside of the fixed block and is hinged with the polish rod, a circular rotating plate is arranged in the third cylindrical hole, and the other end of the connecting shaft extends into the third cylindrical hole and is fixedly connected with the center of the rotating plate;
and a bearing is sleeved on the part of the connecting shaft, which is positioned in the first cylindrical hole, and the bearing is fixed in the first cylindrical hole.
Further, a drive device for a door frame and a door plate in the vacuum leak detection system, wherein the polished rod and the connecting shaft are coaxially arranged.
Further, a driving device for a door frame and a door panel in the vacuum leak detection system is characterized in that a clamping ring for clamping a bearing is arranged in the first cylindrical hole, and the clamping ring is in threaded connection with the inner side wall of the first cylindrical hole.
Furthermore, a driving device for the door frame and the door panel in the vacuum leak detection system is characterized in that a cover plate is arranged at a communication position, corresponding to the outside of the fixed block, of the first cylindrical hole, and the connecting shaft penetrates through the cover plate and is in rotating fit with a penetrating part of the cover plate.
Furthermore, a door frame and a door plate driving device in the vacuum leakage detection system are provided with a hinge part on the other side of the door frame corresponding to the vacuum box.
The utility model discloses following beneficial effect has:
(1) the connecting shaft is arranged in the fixing block, in order to avoid the floating movement of the door plate, the polished rod is in rigid action in the process, the connecting shaft for compensating the floating of the fixing block is arranged in the fixing block, on one hand, the connecting shaft is connected with the polished rod in a hinged mode, on the other hand, the connecting shaft is in rotating fit with the first cylindrical hole through the bearing, so that the connecting shaft and the polished rod have the offset action of 360 degrees, and when the fixing block moves up and down due to the movement of the door plate, the floating rigid action force is.
(2) The effect that the connecting axle passes through the bearing is unsettled in second cylinder hole and third cylinder hole, the connecting axle can slide with the bearing inner ring side simultaneously, it is used for transmitting the drive effect to be provided with the commentaries on classics board in the third cylinder hole, when the effect of polished rod power is transmitted to the connecting axle, the connecting axle slides and promotes in the bearing and changes the board, transmit the effect of power to the fixed block, the effect of the connecting axle not only transmits the drive power, the rotation compensation adjustment effect that has the small angle simultaneously, will be different from the removal effort of horizontal direction and dissolve, prevent that the polished rod from receiving rigidity effort and leading to pneumatic cylinder leakproofness to receive the.
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 fixed block section structure schematic diagram.
FIG. 2: the utility model discloses the schematic structure.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a vacuum box 1, a door frame 2, a door panel 3, a first pneumatic cylinder 21, a second pneumatic cylinder 11, a polish rod 4, a fixing block 5, a first cylindrical hole 51, a second cylindrical hole 52, a third cylindrical hole 53, a connecting shaft 6, a rotating plate 61, a bearing 62, a clamping ring 54, a cover plate 55 and a hinge portion 22.
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. 1-2: a driving device for a door frame and a door plate in a vacuum leak detection system comprises a vacuum box 1, a door frame 2 and a door plate 3, wherein the door plate 3 is installed on the door frame 2 and is in sliding fit with the upper side and the lower side of the door frame 2;
a first pneumatic cylinder 21 for driving the door panel 3 to move is arranged on the lower side of the door frame 2, a second pneumatic cylinder 11 for driving the door frame 2 is arranged on the side wall of the vacuum box 1, a polished rod 4 is arranged on each of the first pneumatic cylinder 21 and the second pneumatic cylinder 11, and a fixed block 5 is arranged at the position, corresponding to the door panel 3 or the door frame 2, of each polished rod 4;
a first cylindrical hole 51, a second cylindrical hole 52 and a third cylindrical hole 53 which are communicated with each other are sequentially arranged inside the fixed block 5, a connecting shaft 6 is arranged in the second cylindrical hole 52, one end of the connecting shaft 6 extends to the outside of the fixed block 5 and is hinged with the polish rod 4, a circular rotating plate 61 is arranged in the third cylindrical hole 53, and the other end of the connecting shaft 6 extends into the third cylindrical hole 53 and is fixedly connected with the center of the rotating plate 61;
a bearing 62 is sleeved on the part of the connecting shaft 6 positioned in the first cylindrical hole 51, and the bearing 62 is fixed in the first cylindrical hole 51.
The utility model discloses in, the polished rod cooperates with the pneumatic cylinder that corresponds is flexible, and the polished rod other end is connected with the fixed block, fixed block and the door frame and the door plant rigid coupling that correspond, in the use, first pneumatic cylinder is used for promoting the door plant and removes to covering uncovered department at the vacuum chamber, then starts the second pneumatic cylinder and draws the door frame to the vacuum chamber closely, drives the uncovered of door plant and vacuum chamber simultaneously and folds, plays sealed effect.
The connecting shaft is arranged in the fixing block, in order to avoid the floating movement of the door plate, the polished rod is in rigid action in the process, the connecting shaft for compensating the floating of the fixing block is arranged in the fixing block, on one hand, the connecting shaft is connected with the polished rod in a hinged mode, on the other hand, the connecting shaft is in rotating fit with the first cylindrical hole through the bearing, so that the connecting shaft and the polished rod have the offset action of 360 degrees, and when the fixing block moves up and down due to the movement of the door plate, the floating rigid action force is.
The effect that the connecting axle passes through the bearing is unsettled in second cylinder hole and third cylinder hole, the connecting axle can slide with the bearing inner ring side simultaneously, it is used for transmitting the drive effect to be provided with the commentaries on classics board in the third cylinder hole, when the effect of polished rod power is transmitted to the connecting axle, the connecting axle slides and promotes the commentaries on classics board in the bearing, transmit the effect of power to the fixed block, utilize the effect of commentaries on classics board joint at the effect drive fixed block in third cylinder hole equally when the polished rod contracts, therefore, the connecting axle not only transmits the effect of drive power, the rotation compensation adjustment effect that has the small angle simultaneously, will be different from the removal effort of horizontal direction and dissolve, prevent that the polished rod from receiving the.
As shown in fig. 1: the polish rod 4 and the connecting shaft 6 are coaxially arranged. The initial angle is deviated from the horizontal coaxial arrangement, and the polished rod and the connecting shaft deviate normally due to the fact that the door plate floats caused by the guide rail stone particles in the moving process.
As shown in fig. 1: a snap ring 54 for clamping a bearing 62 is arranged in the first cylindrical hole 51, and the snap ring 54 is in threaded connection with the inner side wall of the first cylindrical hole 51. The snap ring is used for fixing and stably mounting the bearing.
As shown in fig. 1: a cover plate 55 is arranged at the position of the first cylindrical hole 51 corresponding to the communication position with the outside of the fixed block 5, and the connecting shaft 6 penetrates through the cover plate 55 and is in rotating fit with the penetrating part of the cover plate 55. The cover plate is used for covering the external mounting hole of the first cylindrical hole, blocking dust and facilitating reservation of lubricating oil.
As shown in fig. 2: the other side of the door frame 2 corresponding to the vacuum box 1 is provided with a hinge part 22.
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 driving device for a door frame and a door plate in a vacuum leak detection system comprises a vacuum box (1), the door frame (2) and the door plate (3), wherein the door plate (3) is installed on the door frame (2) and is in sliding fit with the upper side and the lower side of the door frame (2); the method is characterized in that:
a first pneumatic cylinder (21) for driving the door panel (3) to move is arranged on the lower side of the door frame (2), a second pneumatic cylinder (11) for driving the door frame (2) is arranged on the side wall of the vacuum box (1), the first pneumatic cylinder (21) and the second pneumatic cylinder (11) are both provided with a polished rod (4), and a fixing block (5) is arranged at the connection position of the polished rod (4) and the door panel (3) or the door frame (2);
a first cylindrical hole (51), a second cylindrical hole (52) and a third cylindrical hole (53) which are communicated with each other are sequentially arranged in the fixed block (5), a connecting shaft (6) is arranged in the second cylindrical hole (52), one end of the connecting shaft (6) extends to the outside of the fixed block (5) and is hinged with the polish rod (4), a circular rotating plate (61) is arranged in the third cylindrical hole (53), and the other end of the connecting shaft (6) extends into the third cylindrical hole (53) and is fixedly connected with the center of the rotating plate (61);
and a bearing (62) is sleeved on the part, located in the first cylindrical hole (51), of the connecting shaft (6), and the bearing (62) is fixed in the first cylindrical hole (51).
2. The driving device for the door frame and the door panel in the vacuum leak detection system according to claim 1, wherein: the polish rod (4) and the connecting shaft (6) are coaxially arranged.
3. The driving device for the door frame and the door panel in the vacuum leak detection system according to claim 1, wherein: a clamping ring (54) of the clamping bearing (62) is arranged in the first cylindrical hole (51), and the clamping ring (54) is in threaded connection with the inner side wall of the first cylindrical hole (51).
4. The driving device for the door frame and the door panel in the vacuum leak detection system according to claim 1, wherein: and a cover plate (55) is arranged at the position of the first cylindrical hole (51) corresponding to the communication part outside the fixed block (5), and the connecting shaft (6) penetrates through the cover plate (55) and is in rotating fit with the penetrating part of the cover plate (55).
5. The driving device for the door frame and the door panel in the vacuum leak detection system according to claim 1, wherein: the other side of the door frame (2) corresponding to the vacuum box (1) is provided with a hinge part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020900811.8U CN213627276U (en) | 2020-05-23 | 2020-05-23 | Driving device for door frame and door plate in vacuum leak detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020900811.8U CN213627276U (en) | 2020-05-23 | 2020-05-23 | Driving device for door frame and door plate in vacuum leak detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213627276U true CN213627276U (en) | 2021-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020900811.8U Active CN213627276U (en) | 2020-05-23 | 2020-05-23 | Driving device for door frame and door plate in vacuum leak detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213627276U (en) |
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2020
- 2020-05-23 CN CN202020900811.8U patent/CN213627276U/en active Active
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