Sealing cylinder of high-vacuum exhaust station

Abstract

The utility model discloses a sealing cylinder of a high vacuum exhaust table, which relates to the field of vacuum exhaust and comprises a cylinder main body, a piston rod, a sealing mechanism and a mounting mechanism, the sealing mechanism is arranged at one end of the piston rod and used for sealing a pipeline, and the mounting mechanism is arranged on the cylinder main body. The mounting mechanism is used for mounting and fixing the air cylinder body. By means of the arrangement mode that the air cylinder body, the piston rod, the installation block, the connecting rod, the connecting block and the sealing assembly are matched, through operation of the air cylinder body, the piston rod vertically moves downwards, the fastening nut is in threaded connection with the bottom of the piston rod, the installation block is extruded and fixed, and the installation block is fixedly installed on the piston rod. When the vacuum exhaust table is used, the mounting block is driven to vertically move downwards, the connecting rod and the connecting block move along with the mounting block, the connecting block downwards pulls the sealing assembly to move in an inner cavity of the mounting pipe, a pipeline on the vacuum exhaust table is sealed, and the sealing performance of the pipeline is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of vacuum exhaust, in particular to a sealing cylinder for a high vacuum exhaust table. Background Art

[0002] The vacuum exhaust table is a device specially used to evacuate sealed containers, such as vacuum tube furnaces, vacuum boxes, and neon lamps. It can make the vacuum degree inside the vacuum container reach 10 in a short time. -2 Par to 10 -5 It is widely used in aerospace, coating, solar energy and other fields.

[0003] After the vacuum exhaust table evacuates the container, air leakage is prone to occur at the container exhaust port and the vacuum exhaust table pipeline, causing some gas to flow back into the container cavity, resulting in residual gas inside the container, reducing the vacuum performance of the container and affecting the service life of the product. Utility Model Content

[0004] The purpose of the utility model is to provide a high vacuum exhaust table sealing cylinder to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a high vacuum exhaust table sealing cylinder, comprising a cylinder body;

[0006] a piston rod, the piston rod being arranged on the cylinder body;

[0007] It also includes a sealing mechanism, which is arranged at one end of the piston rod and is used to seal the pipeline;

[0008] The mounting mechanism is arranged on the cylinder body and is used to mount and fix the cylinder body.

[0009] Preferably, the sealing mechanism includes:

[0010] A mounting block is provided below the cylinder body and is slidably interlaced with one end of the piston rod;

[0011] A fastening nut is threadably connected to one end of the piston rod, and a top end of the fastening nut is pressed against a lower surface of the mounting block.

[0012] Preferably, the sealing mechanism further comprises:

[0013] A connecting rod, the bottom end of which is fixedly connected to the upper surface of one end of the mounting block, and the connecting rod is provided on both sides of the cylinder body;

[0014] A connecting block, one end of which is slidably connected to the top of the connecting rod;

[0015] A mounting bolt, wherein the mounting bolt is slidably interlaced with one end of the connecting block, and the bottom of the mounting bolt is threadedly connected to the top end of the connecting rod;

[0016] A sealing assembly is fixedly connected to the lower surface of the connecting block.

[0017] Preferably, the mounting mechanism includes:

[0018] A delivery pipe, the delivery pipe being arranged above the cylinder body;

[0019] A fixed pipe, the top end of which is fixedly connected to the delivery pipe, and the fixed pipe is arranged above the cylinder body.

[0020] Preferably, the mounting mechanism further comprises:

[0021] a fixed plate, wherein the lower surface of the fixed plate is fixedly connected to the upper surface of the cylinder body, and the upper surface of the fixed plate is fixedly connected to the bottom end of the fixed tube;

[0022] The bottom of the installation pipe is fixedly and interpenetratingly connected with the top of the delivery pipe, and the top of the installation pipe is connected with the sealing assembly.

[0023] Preferably, grooves are provided at the tops of both ends of the connecting block, the grooves are arranged in a convex shape, and the inner cavities of the grooves are slidably inserted and connected with the mounting bolts.

[0024] Technical effects and advantages of this utility model:

[0025] The utility model utilizes a setting mode in which a cylinder body, a piston rod, a mounting block, a connecting rod, a connecting block and a sealing assembly are matched. Through the operation of the cylinder body, the piston rod moves vertically downward, the fastening nut is threadedly connected to the bottom of the piston rod, the mounting block is squeezed and fixed, and the mounting block is fixedly installed on the piston rod, driving the mounting block to move vertically downward, the connecting rod and the connecting block move together with the mounting block, and the connecting block pulls the sealing assembly downward to move in the inner cavity of the mounting tube, thereby sealing the pipeline on the vacuum exhaust table, ensuring the sealing of the pipeline, and improving the service life of the container. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0027] Figure 2 This is a front structural diagram of the cylinder body of the utility model.

[0028] Figure 3 For this utility model Figure 1A is an enlarged structural diagram of FIG.

[0029] In the figure: 1. Cylinder body; 2. Piston rod; 3. Sealing mechanism; 31. Mounting block; 32. Fastening nut; 33. Connecting rod; 34. Connecting block; 35. Mounting bolt; 36. Sealing assembly; 4. Mounting mechanism; 41. Delivery pipe; 42. Fixing pipe; 43. Fixing plate; 44. Mounting pipe. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] The utility model provides Figure 1-3 The high vacuum exhaust table sealing cylinder shown includes a cylinder body 1, a piston rod 2, a sealing mechanism 3 and an installation mechanism 4. The cylinder body 1 is used to drive the sealing mechanism 3 to move and seal the pipeline. The piston rod 2 is arranged on the cylinder body 1. The piston rod 2 is transmission-connected to the output end of the cylinder body 1. As the cylinder body 1 runs, the piston rod 2 is driven to move in the vertical direction, driving the sealing mechanism 3 to move vertically. The sealing mechanism 3 is arranged at one end of the piston rod 2. The sealing mechanism 3 is used to seal the pipeline. The sealing mechanism 3 is used to ensure that the pipeline of the vacuum exhaust table is closed and the sealing of the pipeline is ensured. The installation mechanism 4 is arranged on the cylinder body 1. The installation mechanism 4 is used to install and fix the cylinder body 1. The stable installation of the cylinder body 1 is ensured by the installation mechanism 4.

[0032] The sealing mechanism 3 includes a mounting block 31, a fastening nut 32, a connecting rod 33, a connecting block 34, a mounting bolt 35 and a sealing assembly 36. The mounting block 31 is arranged below the cylinder body 1, and the mounting block 31 is slidably inserted and connected with one end of the piston rod 2. The mounting block 31 is used to install the connecting rod 33, driving the connecting rod 33 to move together, and the mounting block 31 moves in the vertical direction with the piston rod 2. The fastening nut 32 is threadedly inserted and connected with one end of the piston rod 2, and the top of the fastening nut 32 is squeezed against the lower surface of the mounting block 31. By threading the fastening nut 32 with the bottom of the piston rod 2, the mounting block 31 is squeezed and fixed, and the mounting block 31 is fixedly installed on the piston rod 2. The bottom end of the connecting rod 33 is fixedly connected to the upper surface of one end of the mounting block 31. The connecting rod 33 is arranged on both sides of the cylinder body 1. The connecting rod 33 is used to connect the mounting block 31 and the connecting block 34. One end of the connecting block 34 is connected to the connecting rod The top of 33 is slidably connected, and the connecting block 34 is used to install the sealing assembly 36, driving the sealing assembly 36 to move in the vertical direction. The mounting bolt 35 is slidably connected to one end of the connecting block 34, and the bottom of the mounting bolt 35 is threadedly connected to the top of the connecting rod 33. The two ends of the connecting block 34 are fixedly connected to the top of the connecting rod 33 by the mounting bolts 35, so that the connecting block 34 and the sealing assembly 36 move together with the mounting block 31, and the sealing assembly 36 is fixedly connected to the lower surface of the connecting block 34. The sealing assembly 36 is a pipe-holding structure, which holds and closes the pipeline of the vacuum exhaust table to ensure the stability of the pipeline seal. Through the operation of the cylinder body 1, the mounting block 31 is driven to move vertically downward, and the connecting rod 33 and the connecting block 34 move together with the mounting block 31, driving the sealing assembly 36 to move in the inner cavity of the mounting tube 44, closing the pipeline on the vacuum exhaust table to ensure the sealing of the pipeline.

[0033] The mounting mechanism 4 includes a delivery pipe 41, a fixing pipe 42, a fixing plate 43 and a mounting pipe 44. The delivery pipe 41 is arranged above the cylinder body 1. The delivery pipe 41 is used for gas transmission. The top of the fixing pipe 42 is fixedly connected to the delivery pipe 41. The fixing pipe 42 is arranged above the cylinder body 1. The fixing pipe 42 is used to fix the cylinder body 1. The lower surface of the fixing plate 43 is fixedly connected to the upper surface of the cylinder body 1. The upper surface of the fixing plate 43 is fixedly connected to the bottom end of the fixing pipe 42. The fixing plate 43 Used to connect the fixing pipe 42 and the cylinder body 1, the bottom of the mounting pipe 44 is fixedly inserted and connected with the top of the delivery pipe 41, the top of the mounting pipe 44 is connected to the sealing assembly 36, and the mounting pipe 44 is used to connect the delivery pipe 41 and the sealing assembly 36. Grooves are provided at the tops of both ends of the connecting block 34, and the grooves are set in a convex shape. The inner cavity of the groove is slidably inserted and connected with the mounting bolt 35. The groove is used to accommodate the mounting bolt 35. The bottom of the mounting bolt 35 passes through the inner cavity of the groove, and the nut is accommodated in the inner cavity of the groove.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high vacuum exhaust table sealing cylinder, comprising: Cylinder body (1); A piston rod (2), wherein the piston rod (2) is arranged on the cylinder body (1); It is characterized in that it further comprises a sealing mechanism (3), wherein the sealing mechanism (3) is arranged at one end of the piston rod (2), and the sealing mechanism (3) is used to seal the pipeline; A mounting mechanism (4) is provided on the cylinder body (1), and the mounting mechanism (4) is used to mount and fix the cylinder body (1).

2. A high vacuum exhaust table sealing cylinder according to claim 1, characterized in that: The sealing mechanism (3) comprises: A mounting block (31), the mounting block (31) being arranged below the cylinder body (1), the mounting block (31) being slidably interpenetratingly connected to one end of the piston rod (2); A fastening nut (32) is threadably connected to one end of the piston rod (2), and the top end of the fastening nut (32) is pressed against the lower surface of the mounting block (31).

3. The high vacuum exhaust table sealing cylinder according to claim 2, characterized in that: The sealing mechanism (3) further comprises: A connecting rod (33), the bottom end of which is fixedly connected to the upper surface of one end of the mounting block (31), and the connecting rod (33) is arranged on both sides of the cylinder body (1); A connecting block (34), one end of which is slidably connected to the top of the connecting rod (33); A mounting bolt (35), wherein the mounting bolt (35) is slidably connected to one end of the connecting block (34), and the bottom of the mounting bolt (35) is threadedly connected to the top end of the connecting rod (33); A sealing assembly (36) is fixedly connected to the lower surface of the connecting block (34).

4. A high vacuum exhaust table sealing cylinder according to claim 3, characterized in that: The mounting mechanism (4) comprises: a delivery pipe (41), the delivery pipe (41) being arranged above the cylinder body (1); A fixed pipe (42), the top end of which is fixedly connected to the delivery pipe (41), and the fixed pipe (42) is arranged above the cylinder body (1).

5. The high vacuum exhaust table sealing cylinder according to claim 4, characterized in that: The mounting mechanism (4) further comprises: A fixed plate (43), wherein the lower surface of the fixed plate (43) is fixedly connected to the upper surface of the cylinder body (1), and the upper surface of the fixed plate (43) is fixedly connected to the bottom end of the fixed tube (42); The bottom of the installation tube (44) is fixedly connected to the top of the delivery tube (41) through insertion, and the top of the installation tube (44) is connected to the sealing assembly (36).

6. The high vacuum exhaust table sealing cylinder according to claim 5, characterized in that: The tops of both ends of the connecting block (34) are provided with grooves, the grooves are arranged in a convex shape, and the inner cavity of the grooves is connected with the mounting bolts (35) in a sliding and interpenetrating manner.

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