Vacuum test connector for equipment maintenance

Abstract

The utility model relates to the technical field of test joints, and discloses a vacuum test joint for equipment maintenance, which comprises a main body, a connecting structure mounted on the upper side of the main body, and a reinforcing structure mounted on one side of the connecting structure away from the main body. The main body comprises a column body, a thread, a first sealing ring, a test box, a connecting spring, a first outer ring column, a second sealing ring, a fixing ring, a fixing groove, a clamping strip and a clamping groove, the thread is formed in the inner side of the column body, the first sealing ring is installed on the upper side of the thread, the test box is installed on the inner side of the first sealing ring, and the connecting spring is installed on the upper side of the test box. According to the utility model, through the arrangement of the reinforcing structure, better sealing performance can be achieved on the premise of ensuring that the test joint is connected with the to-be-tested pipe, through the additionally arranged reinforcing ring and the two fixing box bodies on the inner side of the reinforcing ring, mutual clamping connection of the fixing buckles and the clamping grooves is ensured, and after fixation is completed, the fixing buckles and the clamping grooves can be fixed. And through the arrangement of the first sealing ring, the second sealing ring and the third sealing ring, the good sealing performance is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of test joints, in particular to a vacuum test joint for equipment maintenance. Background Art

[0002] The vacuum joint is a convenient joint for quickly connecting vacuum pipes. The material of the vacuum joint is generally stainless steel 304. The vacuum joint is precisely processed by advanced CNC machine tools. The vacuum joint has precise dimensions and beautiful appearance. In order to ensure vacuum welding, all elements of the material must meet the standards, especially for soft bellows welding. The material requirements are strict. If there is a slight difference, the ideal vacuum effect may not be achieved during vacuum testing after welding. The common specifications of vacuum joints are: KF10, KF16, KF25, KF40, KF50. They are connected by vacuum clamps. For ISO63 and ISO100, flange clamps are generally used. Vacuum joints and vacuum clamp heads, center brackets, and vacuum blind plates are used in combination. They can also be used with vacuum valves, vacuum tees, vacuum elbows, vacuum crosses, vacuum bellows, vacuum adapters, and vacuum chambers to meet the needs of different customers and achieve ideal results. Vacuum joints are widely used in high-tech industries such as semiconductor manufacturing, scientific research, aerospace, biopharmaceuticals, liquid crystals, and photovoltaic solar energy.

[0003] The application number is 202021719849.1, and discloses a special connector for testing the loop resistance of a variable-diameter 10kV trolley-type vacuum circuit breaker, comprising an outer tube body, a central pull rod capable of being pushed and pulled inside the outer tube body, a plurality of coaxially arranged arc-shaped copper sheets on the outside of the outer tube body along the circumferential direction, a rack fixed to the outer surface of the central pull rod and arranged axially and corresponding to the number of the arc-shaped copper sheets, each rack is meshed with a gear located in the outer tube body on the outside, each gear is hinged in the outer tube body, each gear is eccentrically fixedly connected to a connecting rod, the outer end of the connecting rod extends out of the outer tube body and is fixedly connected to the arc-shaped copper sheet correspondingly, the outer tube body has an opening for the connecting rod to swing, and the utility model utilizes an arc-shaped copper sheet that can be retracted to form good contact with moving contacts of various types of 10kV trolley-type vacuum circuit breakers, and there will be no situation in which the crocodile wire clamp burns out the spring, scratches, or poor contact; there will be no mismatch between the fixed static contact and various types of moving contacts, which can improve replacement efficiency and reduce measurement errors.

[0004] However, there are shortcomings: although the arc-shaped copper sheet provided in the device can make good contact with the contact, the sealing is not enough. Under the premise of vacuum requirements, it is not sealed enough, and the overall device is not fixed well enough. When the fixity is not good enough, the sealing will be relatively reduced. Utility Model Content

[0005] The purpose of the utility model is to provide a vacuum test joint for equipment maintenance, so as to solve the problem proposed in the above background technology that the arc-shaped copper sheet provided in the device can make good contact with the contact, but the sealing is not enough. Under the premise of vacuum requirements, it is not sealed enough, and the overall device is not fixed well enough. When the fixity is not good enough, the sealing will be relatively reduced.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a vacuum test joint for equipment maintenance, comprising a main body, a connecting structure installed on the upper side of the main body, a reinforcement structure installed on the side of the connecting structure away from the main body, the main body comprising a column, a thread, a first sealing ring, a test box, a connecting spring, a first outer ring column, a second sealing ring, a fixing ring, a fixing groove, a clamping strip, and a clamping groove, a thread is opened on the inner side of the column, a first sealing ring is installed on the upper side of the thread, a test box is installed on the inner side of the first sealing ring, and a connecting spring is installed on the upper side of the test box.

[0008] Furthermore, a first outer ring column is installed on a side of the connecting spring away from the test box, and a second sealing ring is installed on a side of the first outer ring column away from the connecting spring.

[0009] Furthermore, a fixing ring is installed on the side of the second sealing ring away from the first outer ring column, a fixing groove is provided on the inner side of the fixing ring, and a clamping strip is installed on the side of the fixing ring away from the second sealing ring, a clamping groove is provided on the inner side of the clamping strip.

[0010] Furthermore, the connection structure includes a second outer ring column, a distance control column, a main joint, a third sealing ring, and an auxiliary joint. The inner side of the second outer ring column is installed with a distance control column, and a plurality of the distance control columns are symmetrically arranged.

[0011] Furthermore, a main joint is installed on the inner side of the second outer ring column, a third sealing ring is installed on the side of the main joint away from the second outer ring column, and an auxiliary joint is installed on the side of the third sealing ring away from the main joint.

[0012] Furthermore, the reinforcement structure includes a reinforcement ring, a fixed box, a first spring, a pressure column, a second spring, an elastic column, a buckle column, a fixed buckle, and a pressing column. A fixed box is installed on the inner side of the reinforcement ring, and two fixed boxes are symmetrically arranged.

[0013] Furthermore, a first spring is installed inside the fixed box, and a pressure column is installed on the upper side of the first spring.

[0014] Furthermore, a second spring is installed inside the fixed box, an elastic column is installed on the upper side of the second spring, a buckle column is installed on the side of the elastic column away from the second spring, and a fixed buckle is installed on one side of the buckle column.

[0015] Furthermore, a pressing column is installed on the upper side of the buckle column.

[0016] The utility model has the following beneficial effects:

[0017] (1) The utility model ensures better sealing when the test joint is connected to the pipe to be tested by setting a reinforcement structure. The added reinforcement ring and the two fixing boxes inside the reinforcement ring ensure that the fixing buckle and the clamping groove are clamped with each other. When fixed, the first sealing ring, the second sealing ring and the third sealing ring ensure good sealing.

[0018] (2) The utility model can well connect the test joint with the pipe to be tested by means of the connection structure provided, and can ensure that other parts of the test joint are not damaged under the premise of good connection by means of the added distance control column, and the third sealing ring plays a good sealing role in the whole connection process, preventing the poor sealing under the premise of connection.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0023] Figure 3 It is the front and side view of the overall structure of the utility model;

[0024] Figure 4 This is a front view of the overall structure of the utility model;

[0025] Figure 5 This is an enlarged schematic diagram of the fixed box of the utility model;

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] In the figure: 1, main body; 2, connecting structure; 3, reinforcement structure; 101, column; 102, thread; 103, first sealing ring; 104, test box; 105, connecting spring; 106, first outer ring column; 107, second sealing ring; 108, fixing ring; 109, fixing groove; 110, clamping strip; 111, clamping groove; 201, second outer ring column; 202, distance control column; 203, main joint; 204, third sealing ring; 205, auxiliary joint; 301, reinforcement ring; 302, fixed box; 303, first spring; 304, pressure column; 305, second spring; 306, elastic column; 307, buckle column; 308, fixed buckle; 309, pressing column; DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 5 As shown, the utility model is a vacuum test joint for equipment maintenance, including a main body 1, a connecting structure 2 is installed on the upper side of the main body 1, a reinforcement structure 3 is installed on the side of the connecting structure 2 away from the main body 1, the main body 1 includes a column 101, a thread 102, a first sealing ring 103, a test box 104, a connecting spring 105, a first outer ring column 106, a second sealing ring 107, a fixing ring 108, a fixing groove 109, a clamping strip 110, and a clamping groove 111, a thread 102 is opened on the inner side of the column 101, a first sealing ring 103 is installed on the upper side of the thread 102, a test box 104 is installed on the inner side of the first sealing ring 103, and a connecting spring 105 is installed on the upper side of the test box 104.

[0030] A first outer ring column 106 is installed on a side of the connecting spring 105 away from the test box 104 , and a second sealing ring 107 is installed on a side of the first outer ring column 106 away from the connecting spring 105 .

[0031] A fixing ring 108 is installed on the side of the second sealing ring 107 away from the first outer ring column 106 , and a fixing groove 109 is provided on the inner side of the fixing ring 108 . A clamping strip 110 is installed on the side of the fixing ring 108 away from the second sealing ring 107 , and a clamping groove 111 is provided on the inner side of the clamping strip 110 .

[0032] The connection structure 2 includes a second outer ring column 201, a distance control column 202, a main joint 203, a third sealing ring 204, and an auxiliary joint 205. The inner side of the second outer ring column 201 is installed with a distance control column 202, and a plurality of distance control columns 202 are symmetrically arranged.

[0033] A main joint 203 is installed on the inner side of the second outer ring column 201 , a third sealing ring 204 is installed on the side of the main joint 203 away from the second outer ring column 201 , and an auxiliary joint 205 is installed on the side of the third sealing ring 204 away from the main joint 203 .

[0034] The reinforcement structure 3 includes a reinforcement ring 301, a fixed box 302, a first spring 303, a pressure column 304, a second spring 305, an elastic column 306, a buckle column 307, a fixed buckle 308, and a pressing column 309. The fixed box 302 is installed on the inner side of the reinforcement ring 301, and two fixed boxes 302 are symmetrically arranged.

[0035] A first spring 303 is installed inside the fixed box 302 , and a pressure column 304 is installed on the upper side of the first spring 303 .

[0036] A second spring 305 is installed inside the fixed box 302 , an elastic column 306 is installed on the upper side of the second spring 305 , a buckle column 307 is installed on the side of the elastic column 306 away from the second spring 305 , and a fixed buckle 308 is installed on one side of the buckle column 307 .

[0037] A pressing column 309 is installed on the upper side of the buckle column 307 .

[0038] When in use, first debug the test box 104 in the main body 1, then check and connect the internal parts of the main body 1 and the connecting structure 2 one by one, then align the snap-fit ​​groove 111 set on the connecting structure 2 with the fixed buckle 308 in the fixed box 302. After fixing the position, the reinforcement ring 301 will be fixed to the outside of the connecting structure 2, and a sealing structure is also set on the outside of the reinforcement ring 301, which ensures that the reinforcement structure 3 is connected to the connecting structure 2 while also ensuring good sealing. When the reinforcement ring 301 is not needed under special circumstances, it is only necessary to press the pressing column 309. As the pressure under the pressing column 309 is applied to the buckle column 307, the fixed buckle 308 will move away from the snap-fit ​​groove 111, and the reinforcement ring 301 can be removed. In addition, a first spring 303 and a second spring 305 are added inside the fixed box 302. Through the action of the two springs, it is relatively convenient to remove and snap-fit ​​the reinforcement ring 301.

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A vacuum test connector for equipment maintenance, comprising a main body (1), characterized in that: A connecting structure (2) is installed on the upper side of the main body (1); a reinforcing structure (3) is installed on a side of the connecting structure (2) away from the main body (1); the main body (1) comprises a column (101), a thread (102), a first sealing ring (103), a test box (104), a connecting spring (105), a first outer ring column (106), a second sealing ring (107), a fixing ring (108), a fixing groove (109), a clamping strip (110), and a clamping groove (111); a thread (102) is provided on the inner side of the column (101); a first sealing ring (103) is installed on the upper side of the thread (102); a test box (104) is installed on the inner side of the first sealing ring (103); and a connecting spring (105) is installed on the upper side of the test box (104).

2. A vacuum test joint for equipment maintenance according to claim 1, characterized in that: A first outer ring column (106) is installed on a side of the connecting spring (105) away from the test box (104), and a second sealing ring (107) is installed on a side of the first outer ring column (106) away from the connecting spring (105).

3. A vacuum test joint for equipment maintenance according to claim 2, characterized in that: A fixing ring (108) is installed on the side of the second sealing ring (107) away from the first outer ring column (106), and a fixing groove (109) is provided on the inner side of the fixing ring (108). A clamping strip (110) is installed on the side of the fixing ring (108) away from the second sealing ring (107), and a clamping groove (111) is provided on the inner side of the clamping strip (110).

4. The vacuum test connector for equipment maintenance according to claim 1, characterized in that: The connection structure (2) comprises a second outer ring column (201), a distance control column (202), a main joint (203), a third sealing ring (204), and an auxiliary joint (205); a distance control column (202) is installed on the inner side of the second outer ring column (201); and a plurality of the distance control columns (202) are symmetrically arranged.

5. The vacuum test connector for equipment maintenance according to claim 4, characterized in that: A main joint (203) is installed on the inner side of the second outer ring column (201), a third sealing ring (204) is installed on the side of the main joint (203) away from the second outer ring column (201), and an auxiliary joint (205) is installed on the side of the third sealing ring (204) away from the main joint (203).

6. The vacuum test connector for equipment maintenance according to claim 1, characterized in that: The reinforcement structure (3) comprises a reinforcement ring (301), a fixed box (302), a first spring (303), a pressure column (304), a second spring (305), an elastic column (306), a buckle column (307), a fixed buckle (308), and a pressing column (309). The fixed box (302) is installed on the inner side of the reinforcement ring (301), and two fixed boxes (302) are symmetrically provided.

7. The vacuum test connector for equipment maintenance according to claim 6, characterized in that: A first spring (303) is installed inside the fixed box (302), and a pressure column (304) is installed on the upper side of the first spring (303).

8. The vacuum test connector for equipment maintenance according to claim 7, characterized in that: A second spring (305) is installed inside the fixed box (302), an elastic column (306) is installed on the upper side of the second spring (305), a buckle column (307) is installed on the side of the elastic column (306) away from the second spring (305), and a fixing buckle (308) is installed on one side of the buckle column (307).

9. The vacuum test connector for equipment maintenance according to claim 8, characterized in that: A pressing column (309) is installed on the upper side of the buckle column (307).

Images