Rotary sealing device

Abstract

The utility model provides a rotary sealing device which comprises an adaptive seat, the periphery of the adaptive seat is connected to the side wall of a box body in a sealed mode, a sealing ball is connected into the adaptive seat in a rolling mode, a through hole is formed in the middle of the sealing ball, the periphery of a hand-operated gripper is connected into the through hole in a sealed mode, and the periphery of the hand-operated gripper can slide in the through hole in the axial direction. A grab handle of the manual gripper is located on the outer wall of the box body, the execution end of the manual gripper is located in the box body, and the grab handle can adjust the relative position of the execution end in the box body through a sealing ball. According to the rotary sealing device, when materials need to be grabbed for operation, a worker holds the grab handle with a hand, the grab handle can be rotated in all directions through the sealing ball, the axial position of the executing end can be moved in the mode of pulling the grab handle, and therefore the materials in the box body can be grabbed and put in all directions; and materials in the box body can be prevented from overflowing, so that the operation is convenient and the reliability is high.

Description

Technical Field

[0001] The utility model belongs to the field of glove boxes, and particularly relates to a rotary sealing device. Background Art

[0002] A glove box is a laboratory device that is used in special conditions and requires manual operation. In the prior art, the inside of the glove box is usually filled with inert gas or contains materials with toxicity, volatility, radioactivity, etc. It is commonly known as a glove box, an inert gas protection box, a dry box, etc. During the experiment, when taking materials with sharp edges, it is risky for the staff to take them by hand, and a manual gripper is needed. However, when the prior art manual gripper is installed on the box body, it is restricted by its sealing performance and it is inconvenient to adjust the gripping orientation when grasping items. Summary of the Invention

[0003] In view of this, the present utility model aims to provide a rotary sealing device to solve the problem that in the prior art, most of the operations for grasping items in the glove box are manual, and it is inconvenient to adjust the gripping orientation when using a manual gripper to grasp items.

[0004] To achieve the above object, the technical solution of the present utility model is realized as follows:

[0005] A rotary sealing device includes an adapter seat, and the outer periphery of the adapter seat is hermetically connected to the side wall of the box body. A sealing ball is rotatably connected inside the adapter seat. A through hole is provided in the middle of the sealing ball. The outer periphery of the manual gripper is hermetically connected to the through hole. The outer periphery of the manual gripper can slide axially in the through hole. The handle of the manual gripper is located on the outer wall of the box body, and the execution end of the manual gripper is located inside the box body. The handle can adjust the relative position of the execution end inside the box through the sealing ball. The outer periphery of the adapter seat is provided with a first thread, and an upper retaining ring is threadedly connected to the first thread, and one end of the upper retaining ring can abut against the outer side wall of the box body.

[0006] Further, a second thread is provided on the outer periphery of the lower end of the adapter seat, and a lower retaining ring is threadedly connected to the second thread, and one end of the lower retaining ring can abut against the inner side wall of the box body.

[0007] Further, sealing rubber pads are respectively arranged between the upper retaining ring and the outer side wall of the box body, and between the lower retaining ring and the inner side wall of the box body.

[0008] Further, a corrugated sealing sleeve is arranged on the outer periphery of the manual gripper. One end of the inner circle of the corrugated sealing sleeve is fixedly connected to the outer periphery of the manual gripper, and the other end of the corrugated sealing sleeve is fixedly connected to the lower end of the adapter seat through the lower retaining ring.

[0009] Further, an adapter groove is provided in the middle of the adapter seat. The ball seat is installed in the adapter groove through a lower top plate, and the sealing ball is rotatably connected inside the ball seat.

[0010] Further, the ball seat includes a first positioning block and a second positioning block which are arranged opposite to each other. The peripheries of the first positioning block and the second positioning block are respectively sealed and connected to the adapter slot through a first sealing ring. Ball sockets are respectively arranged at the lower end of the first positioning block and the upper end of the second positioning block. The periphery of the sealing ball is sealed and connected to the two ball sockets through a second sealing ring, and the periphery of the manual gripper is sealed and connected to the through hole through a third sealing ring.

[0011] Compared with the prior art, the rotating sealing device of the present invention has the following beneficial effects:

[0012] (1) For the rotating sealing device of the present invention, when an operator needs to grasp materials for operation, the operator holds the handle. The sealing ball can rotate in all directions, and the axial position of the execution end can be moved by pulling the handle, so as to realize the all-directional grasping and placing of the materials in the box, and prevent the substances in the box from overflowing, making the operation portable and highly reliable.

[0013] (2) For the rotating sealing device of the present invention, the adapter seat is fixed at the opening of the box through the upper retaining ring and the lower retaining ring, and the sealing performance of the connecting part is ensured through the sealing gasket, so as to improve the reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0015] Figure 1 is a schematic structural diagram of a rotating sealing device according to an embodiment of the present invention arranged on a box;

[0016] Figure 2 is a schematic structural diagram of a rotating sealing device according to an embodiment of the present invention;

[0017] Figure 3 is an exploded structural diagram of a rotating sealing device according to an embodiment of the present invention;

[0018] Figure 4 is a schematic cross-sectional view of a ball seat according to an embodiment of the present invention.

[0019] Description of the reference numerals:

[0020] 1 - box; 2 - manual gripper; 3 - adapter seat; 4 - upper retaining ring; 5 - lower retaining ring; 6 - sealing gasket; 7 - corrugated sealing sleeve; 8 - ball seat; 81 - first positioning block; 82 - first sealing ring; 83 - second sealing ring; 84 - lower top plate; 9 - sealing ball; 91 - third sealing ring. Detailed implementation manners

[0021] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments may be combined with each other.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0024] The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0025] As Figures 1 - 4As shown in the figure, a rotating sealing device includes an adapter seat 3, and the outer periphery of the adapter seat 3 is hermetically connected to the side wall of the box body 1. A sealing ball 9 is rotatably connected inside the adapter seat 3. A through hole is provided in the middle of the sealing ball 9. The outer periphery of the manual gripper 2 is hermetically connected to the through hole. The outer periphery of the manual gripper 2 can slide axially in the through hole, and the handle of the manual gripper 2 is located on the outer wall of the box body 1, and the execution end of the manual gripper 2 is located inside the box body 1. The handle can adjust the relative position of the execution end in the box body 1 through the sealing ball 9. During implementation, the box body 1 is made of transparent materials such as glass or acrylic. Toxic and volatile materials are placed inside the box body 1. When it is necessary to grasp the materials for operation, the staff holds the handle. The sealing ball 9 can rotate in all directions, and the axial position of the execution end can be moved by pulling the handle, so as to realize the all-directional grasping and placing of the materials in the box body 1, and can prevent the substances in the box body 1 from overflowing, making the operation portable and highly reliable.

[0026] A first thread is provided on the outer periphery of the adapter seat 3. The upper retaining ring 4 is threadedly connected to the first thread, and one end of the upper retaining ring 4 can abut against the outer side wall of the box body 1. A second thread is provided on the outer periphery of the lower end of the adapter seat 3. The lower retaining ring 5 is threadedly connected to the second thread, and one end of the lower retaining ring 5 can abut against the inner side wall of the box body 1. Sealing rubber gaskets 6 are respectively arranged between the upper retaining ring 4 and the outer side wall of the box body 1, and between the lower retaining ring and the inner side wall of the box body 1. The adapter seat 3 is fixed at the opening of the box body 1 through the upper retaining ring 4 and the lower retaining ring 5, and the sealing performance of the connecting part is ensured through the sealing rubber gasket 6 to improve the reliability of the device.

[0027] A corrugated sealing sleeve 7 is arranged on the outer periphery of the manual gripper 2. One end inner ring of the corrugated sealing sleeve 7 is fixedly connected to the outer periphery of the manual gripper 2, and the other end of the corrugated sealing sleeve 7 is fixedly connected to the lower end of the adapter seat 3 through the lower retaining ring 5. The corrugated sealing sleeve 7 is used to ensure the sealing performance between the outer periphery of the manual gripper 2, the sealing ball 9 and the lower retaining ring, and the corrugated sealing sleeve 7 can meet the axial sliding requirement of the manual gripper 2 without interfering with the movement of the manual gripper 2 to ensure stable sealing performance.

[0028] An adapter groove is provided in the middle of the adapter seat 3. The ball seat 8 is installed in the adapter groove through the lower top plate 84, and a sealing ball 9 is rotatably connected inside the ball seat 8. The ball seat 8 includes a first positioning block 81 and a second positioning block. The first positioning block 81 and the second positioning block are arranged oppositely. The outer peripheries of the first positioning block 81 and the second positioning block are respectively hermetically connected to the adapter groove through the first sealing ring 82. Ball sockets are respectively provided at the lower end of the first positioning block 81 and the upper end of the second positioning block. The outer periphery of the sealing ball 9 is hermetically connected to the two ball sockets through the second sealing ring 83, and the outer periphery of the manual gripper 2 is hermetically connected to the through hole through the third sealing ring 91. The first sealing ring 82, the second sealing ring 83 and the third sealing ring 91 are all rubber sealing rings of the prior art. The first sealing ring 82, the second sealing ring 83 and the third sealing ring 91 are respectively used to ensure the sealing performance of the connecting parts.

[0029] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A rotary sealing device, characterized in that: The invention comprises an adapter seat (3), wherein the outer periphery of the adapter seat (3) is sealed and connected to the side wall of the box body (1), a sealing ball (9) is rollingly connected inside the adapter seat (3), a through hole is provided in the middle of the sealing ball (9), the outer periphery of the manual gripper (2) is sealed and connected to the through hole, the outer periphery of the manual gripper (2) can slide axially in the through hole, and the handle of the manual gripper (2) is located on the outer wall of the box body (1), the execution end of the manual gripper (2) is located inside the box body (1), the handle can adjust the relative position of the execution end in the box body (1) through the sealing ball (9), the outer periphery of the adapter seat (3) is provided with a first thread, the upper retaining ring (4) is threadedly connected to the first thread, and one end of the upper retaining ring (4) can abut against the outer wall of the box body (1).

2. A rotary sealing device according to claim 1, characterized in that: A second thread is disposed on the periphery of the lower end of the adapter seat (3), the lower retaining ring (5) is threadedly connected to the second thread, and one end of the lower retaining ring (5) can abut against the inner wall of the box body (1).

3. A rotary sealing device according to claim 2, characterized in that: Sealing rubber pads (6) are respectively arranged between the upper retaining ring (4) and the outer side wall of the box body (1), and between the lower retaining ring and the inner side wall of the box body (1).

4. A rotary sealing device according to claim 2, characterized in that: A corrugated sealing sleeve (7) is arranged on the periphery of the manual gripper (2), the inner ring of one end of the corrugated sealing sleeve (7) is fixedly connected to the periphery of the manual gripper (2), and the other end of the corrugated sealing sleeve (7) is fixedly connected to the lower end of the adapter seat (3) via a lower retaining ring (5).

5. A rotary sealing device according to claim 1, characterized in that: An adapting groove is provided in the middle of the adapting seat (3), the ball seat (8) is installed in the adapting groove through the lower top plate (84), and a sealing ball (9) is rollingly connected in the ball seat (8).

6. A rotary sealing device according to claim 5, characterized in that: The ball seat (8) comprises a first positioning block (81) and a second positioning block, the first positioning block (81) and the second positioning block are arranged opposite to each other, the peripheries of the first positioning block (81) and the second positioning block are respectively sealed and connected to the adapting groove through a first sealing ring (82), the lower end of the first positioning block (81) and the upper end of the second positioning block are respectively provided with a ball socket, the periphery of the sealing ball (9) is sealed and connected to the two ball sockets through a second sealing ring (83), and the periphery of the manual gripper (2) is sealed and connected to the through hole through a third sealing ring (91).

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