A glass door sealing performance testing process and equipment

Abstract

The present invention discloses a glass door sealing performance testing process and equipment, which relates to the technical field of sealing performance testing, including a testing box, one end of which is equipped with a mounting frame, the inner cavity of which is equipped with a glass door, the top of which is equipped with an air pressure detector, the top of which is fixedly connected with an air inlet pipe, the outer wall of which is equipped with a high-pressure air pump, and also includes a mounting mechanism and a clamping mechanism. The present invention sets a testing box, selects a mounting frame that matches the glass door, installs the mounting frame, places the glass door into the mounting frame, and performs a fixing operation on the glass door; injects air into the testing box through the air inlet pipe, detects the air pressure in the testing box through the air pressure detector, so that the air pressure in the testing box is greater than the external air pressure, and after being placed for a period of time, checks whether the air pressure in the testing box decreases, thereby detecting the sealing performance of the glass door, which is convenient for detecting the sealing performance of the glass door.

Description

Technical Field

[0001] The invention relates to the technical field of sealing performance detection, in particular to a glass door sealing performance detection process and equipment. Background Art

[0002] During the use of glass doors, even if a sealing strip is provided between the glass plate and the aluminum alloy frame, there will be a gap between the two due to installation errors and other reasons, which will lead to unsatisfactory sealing effect of the glass door; especially when the glass door is used in a commodity display cabinet with refrigeration or heat preservation performance such as a refrigerator or display cabinet, if there is a gap on the glass door, it will cause heat exchange between the internal and external environments, affecting the constant temperature storage performance of the counter. In order to facilitate the sealing test of the glass door, a glass door sealing performance test process and equipment are provided. Summary of the invention

[0003] The purpose of the present invention is to provide a glass door sealing performance testing process and equipment in order to facilitate the sealing performance testing of a glass door.

[0004] To achieve the above object, the present invention provides the following technical solutions: a glass door sealing performance testing device, comprising a testing box, a mounting frame is installed at one end of the testing box, a glass door is arranged in the inner cavity of the mounting frame, an air pressure detector is installed at the top of the testing box, an air intake pipe is fixedly connected to the top of the testing box, a high-pressure air pump is installed on the outer wall of the air intake pipe, the mounting frame is installed by a mounting mechanism, and the glass door is fixed to the inner cavity of the mounting frame by a clamping mechanism;

[0005] The mounting mechanism includes a mounting groove, the mounting groove is opened at one end of the detection box, the inner wall of the mounting groove is installed with a first sealing ring, and the two sides of the mounting frame are symmetrically opened with fixing grooves, the top of the detection box is fixedly connected with a mounting plate, the outer wall of the mounting plate is installed with a first motor, the output end of the first motor is connected with a first threaded rod, the outer wall of the first threaded rod is connected with a cross plate, the cross plate is slidably connected to the top of the detection box, the top of the detection box is located at both sides of the cross plate and is rotatably connected with a first spur gear, the bottom end of the first spur gear is fixedly connected with a second threaded rod, the interior of the detection box is slidably connected with a displacement plate, the displacement plate is symmetrically arranged on the outer wall of the second threaded rod, the outer wall of the displacement plate is rotatably connected with a connecting rod, one end of the connecting rod is rotatably connected with a fixing block, the fixing block is slidably connected to the interior of the detection box and extends to the inner cavity of the mounting groove.

[0006] As a further solution of the present invention: the clamping mechanism includes a placement groove, the placement groove is opened on the outer wall of the installation frame, the inner wall of the placement groove is installed with a second sealing ring, the second motor is installed at the end of the detection box away from the glass door, the output end of the second motor is connected to a third threaded rod, the outer wall of the third threaded rod is connected to a movable frame, the movable frame is slidably connected to the interior of the detection box, the outer wall of the detection box is located above and below the second motor and is fixedly connected with a square block, one end of the movable frame is rotatably connected to an extrusion plate, and the outer wall of the extrusion plate is fixedly connected to a connecting shaft.

[0007] As a further scheme of the present invention: the clamping mechanism also includes a first bevel gear, the first bevel gear is fixedly connected to one end of the connecting shaft, the interior of the movable frame is located at the outer wall of the first bevel gear and is rotatably connected to the second bevel gear, one end of the second bevel gear is fixedly connected to the second spur gear, the interior of the movable frame is located at the outer wall of the second spur gear and is slidably connected to an extrusion frame, a first spring is connected between the extrusion frame and the movable frame, the extrusion frame extends out of the interior of the movable frame, a slider is fixedly connected to the outer wall of one end of the movable frame, one end of the detection box is located on one side of the movable frame and a slide groove is opened, the interior of the detection box is slidably connected to a positioning rod extending to the inner cavity of the slide groove, and a second spring is connected between the positioning rod and the detection box.

[0008] As a further solution of the present invention: a first threaded hole is formed on the outer wall of the horizontal plate, and the first threaded hole matches the first threaded rod.

[0009] As a further solution of the present invention: gear teeth are arranged on both sides of the transverse plate, and the gear teeth are meshed with the first spur gear.

[0010] As a further solution of the present invention: the outer wall of the second threaded rod is symmetrically provided with external threads, the outer wall of the displacement plate is provided with a second threaded hole, and the second threaded hole matches the external threads.

[0011] As a further solution of the present invention: the inner wall of the installation groove fits with the outer wall of the installation frame, and the inner wall of the fixing groove fits with the outer wall of the fixing block.

[0012] As a further solution of the present invention: a third threaded hole is formed on the outer wall of the movable frame, the third threaded hole matches the third threaded rod, a tooth groove is formed on the outer wall of the extrusion frame, the tooth groove is meshed with the second spur gear, and the second bevel gear is meshed with the first bevel gear.

[0013] As a further solution of the present invention: the outer wall of the slider is in contact with the inner wall of the slide groove, the positioning rod is provided with an inclined surface at one end located in the inner cavity of the slide groove, the outer wall of the displacement plate is provided with a positioning groove, and the positioning rod is engaged with the positioning groove at one end facing the displacement plate.

[0014] A testing process for glass door sealing performance testing equipment, the specific steps are as follows:

[0015] Step 1: Select an installation frame with a placement slot that matches the glass door, and install the installation frame into the installation slot;

[0016] Step 2: Place the glass door into the placement slot and fix the glass door by cooperating with the parts in the clamping mechanism;

[0017] Step 3: Inject air into the test box through the air inlet pipe, and use the air pressure detector to detect the air pressure in the test box, so that the air pressure in the test box is greater than the external air pressure. After leaving it for a period of time, check whether the air pressure in the test box decreases, so as to detect the sealing performance of the glass door.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The detection process described in the present invention is realized by a specially designed detection device. The detection device sets up a detection box, selects an installation frame that matches the glass door, installs the installation frame, places the glass door into the installation frame, and performs a fixing operation on the glass door; injects air into the detection box through an air inlet pipe, and uses an air pressure detector to detect the air pressure in the detection box so that the air pressure in the detection box is greater than the external air pressure. After a period of time, check whether the air pressure in the detection box decreases, thereby detecting the sealing performance of the glass door, which is convenient for detecting the sealing performance of the glass door;

[0020] 2. By setting up the installation mechanism, the installation frame is placed into the installation groove. The operation of the first motor drives the horizontal plate to move. The displacement of the horizontal plate drives the first spur gear to rotate. The rotation of the first spur gear drives the second threaded rod to rotate. The rotation of the second threaded rod drives the two displacement plates to move in opposite directions. The displacement of the displacement plate drives the fixed block to move through the connecting rod. The fixed block is inserted into the fixed groove to fix the installation frame. At the same time, the installation frame is tightly attached to the first sealing ring to improve the sealing between the installation frame and the detection box, which is convenient for rapid installation of the installation frame.

[0021] 2. By setting a clamping mechanism, the glass door is placed into the placement groove. The second motor drives the movable frame to move. The displacement of the movable frame drives the extrusion plate to move synchronously. The extrusion plate moves and contacts the glass door, pressing the glass door into the placement groove. At the same time, the glass door is tightly attached to the second sealing ring, thereby improving the sealing between the glass door and the placement groove, facilitating the rapid installation and fixation of the glass door and facilitating subsequent detection operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of installing the installation frame of the present invention;

[0024] Figure 3 It is a structural schematic diagram of the detection box of the present invention;

[0025] Figure 4 It is a schematic diagram of the installation of the fixing block of the present invention;

[0026] Figure 5 It is a schematic diagram of the internal structure of the detection box of the present invention;

[0027] Figure 6 It is a schematic diagram of the internal structure of the movable frame of the present invention;

[0028] Figure 7 It is a schematic structural diagram of the extrusion frame of the present invention.

[0029] In the figure: 1, detection box; 2, installation frame; 3, glass door; 4, air pressure detector; 5, air intake pipe; 6, high pressure air pump; 7, installation mechanism; 701, installation groove; 702, first sealing ring; 703, fixing groove; 704, installation plate; 705, first motor; 706, first threaded rod; 707, horizontal plate; 708, first straight gear; 709, second threaded rod; 710, displacement plate; 711, connecting rod; 712, fixing block; 8 , clamping mechanism; 801, placement groove; 802, second sealing ring; 803, second motor; 804, third threaded rod; 805, movable frame; 806, square block; 807, extrusion plate; 808, connecting shaft; 809, first bevel gear; 810, second bevel gear; 811, second spur gear; 812, extrusion frame; 813, first spring; 814, slider; 815, slide groove; 816, positioning rod; 817, second spring. 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0032] See also Figures 1 to 7 In an embodiment of the present invention, a glass door sealing performance testing device includes a testing box 1, a mounting frame 2 is installed at one end of the testing box 1, a glass door 3 is provided in the inner cavity of the mounting frame 2, an air pressure detector 4 is installed at the top of the testing box 1, an air intake pipe 5 is fixedly connected to the top of the testing box 1, a high-pressure air pump 6 is installed on the outer wall of the air intake pipe 5, the mounting frame 2 is installed by a mounting mechanism 7, and the glass door 3 is fixed to the inner cavity of the mounting frame 2 by a clamping mechanism 8.

[0033] In this embodiment: a mounting frame 2 matching the glass door 3 is selected, the mounting frame 2 is installed by means of the cooperation of parts in the mounting mechanism 7, the glass door 3 is placed into the mounting frame 2, and the glass door 3 is fixed by means of the cooperation of parts in the clamping mechanism 8; air is injected into the detection box 1 through the air inlet pipe 5, and the air pressure in the detection box 1 is detected by the air pressure detector 4, so that the air pressure in the detection box 1 is greater than the external air pressure, and after a period of time, it is checked whether the air pressure in the detection box 1 decreases, thereby detecting the sealing performance of the glass door 3.

[0034] Please refer to Figures 1 to 4The mounting mechanism 7 includes a mounting groove 701, which is provided at one end of the detection box 1. A first sealing ring 702 is installed on the inner wall of the mounting groove 701. Fixed grooves 703 are symmetrically provided on both sides of the mounting frame 2. A mounting plate 704 is fixedly connected to the top of the detection box 1. A first motor 705 is installed on the outer wall of the mounting plate 704. A first threaded rod 706 is connected to the output end of the first motor 705. A transverse plate 707 is connected to the outer wall of the first threaded rod 706. The transverse plate 707 is slidably connected to the top of the detection box 1. The top end of the detection box 1 is located on both sides of the horizontal plate 707 and is rotatably connected to the first spur gear 708. The bottom end of the first spur gear 708 is fixedly connected to the second threaded rod 709. The interior of the detection box 1 is slidably connected to a displacement plate 710. The displacement plate 710 is symmetrically arranged on the outer wall of the second threaded rod 709. The outer wall of the displacement plate 710 is rotatably connected to a connecting rod 711. One end of the connecting rod 711 is rotatably connected to a fixed block 712. The fixed block 712 is slidably connected to the interior of the detection box 1 and extends to the inner cavity of the mounting groove 701.

[0035] In this embodiment: when installing the installation frame 2, the installation frame 2 is placed into the installation groove 701, and then the first motor 705 is started. The operation of the first motor 705 drives the first threaded rod 706 to rotate, and the rotation of the first threaded rod 706 drives the horizontal plate 707 to move. The displacement of the horizontal plate 707 drives the first straight gear 708 to rotate, and the rotation of the first straight gear 708 drives the second threaded rod 709 to rotate. The rotation of the second threaded rod 709 drives the two displacement plates 710 to move in opposite directions. The displacement of the displacement plate 710 drives the fixing block 712 to move through the connecting rod 711, and the fixing block 712 is displaced and inserted into the fixing groove 703 to fix the installation frame 2. At the same time, the installation frame 2 is tightly attached to the first sealing ring 702, thereby improving the sealing between the installation frame 2 and the detection box 1, and facilitating the rapid installation of the installation frame 2.

[0036] Please refer to Figures 4 to 7The clamping mechanism 8 includes a placement groove 801, which is opened on the outer wall of the installation frame 2, and a second sealing ring 802 is installed on the inner wall of the placement groove 801. A second motor 803 is installed at one end of the detection box 1 away from the glass door 3, and the output end of the second motor 803 is connected to a third threaded rod 804, and the outer wall of the third threaded rod 804 is connected to a movable frame 805, and the movable frame 805 is slidably connected to the inside of the detection box 1. The outer wall of the detection box 1 is located above and below the second motor 803 and is fixedly connected with a square block 806. One end of the movable frame 805 is rotatably connected to an extrusion plate 807, and the outer wall of the extrusion plate 807 is fixedly connected to a connecting shaft 808. The clamping mechanism 8 also includes a first bevel gear 809, which is fixedly connected to the connecting shaft 808. At one end of the shaft 808, the interior of the movable frame 805 is located at the outer wall of the first bevel gear 809 and is rotatably connected to the second bevel gear 810, one end of the second bevel gear 810 is fixedly connected to the second spur gear 811, the interior of the movable frame 805 is located at the outer wall of the second spur gear 811 and is slidably connected to the extrusion frame 812, a first spring 813 is connected between the extrusion frame 812 and the movable frame 805, the extrusion frame 812 extends out of the interior of the movable frame 805, and a slider 814 is fixedly connected to the outer wall of one end of the movable frame 805, one end of the detection box 1 is located at one side of the movable frame 805 and is provided with a slide groove 815, the interior of the detection box 1 is slidably connected to a positioning rod 816 extending to the inner cavity of the slide groove 815, and a second spring 817 is connected between the positioning rod 816 and the detection box 1.

[0037] In this embodiment: after the installation of the installation frame 2 is completed, the glass door 3 is placed into the placement groove 801, at this time, the extrusion plate 807 is in a horizontal state, the extrusion frame 812 is in contact with the square block 806, and the first spring 813 is in an extruded state; then the second motor 803 is started, and the second motor 803 drives the third threaded rod 804 to rotate, and the third threaded rod 804 rotates to drive the movable frame 805 to move. During this process, the square block 806 is separated from the extrusion frame 812, and the extrusion frame 812 is displaced by the elastic force of the first spring 813. The displacement of the extrusion frame 812 drives the second spur gear 811 to rotate, and the rotation of the second spur gear 811 drives the second bevel gear 810 to rotate, and the rotation of the second bevel gear 810 drives the first bevel gear 809 to rotate, and the rotation of the first bevel gear 809 drives the connecting shaft 808 to rotate. The rotation of the connecting shaft 808 drives the extrusion plate 807 to rotate, so that the extrusion plate 807 is in a vertical state, and the displacement of the movable frame 805 drives the extrusion plate 807 to move synchronously, and the extrusion plate 807 moves to contact with the glass door 3, and presses the glass door 3 into the placement groove 801, and at the same time, the glass door 3 is tightly attached to the second sealing ring 802, thereby improving the sealing between the glass door 3 and the placement groove 801; at the same time, during the displacement of the movable frame 805, the slider 814 is driven to move into the slide groove 815, and the slider 814 contacts the positioning rod 816, pushing the positioning rod 816 to move, squeezing the second spring 817, and the positioning rod 816 moves to contact with the displacement plate 710, and the displacement plate 710 is clamped and fixed, thereby preventing the fixed block 712 from moving out of the fixed groove 703 during the detection process, causing the glass door 3 to loosen, thereby affecting the detection effect.

[0038] When the glass door 3 is removed, the second motor 803 drives the third threaded rod 804 to rotate and drive the movable frame 805 to move. The displacement of the movable frame 805 drives the extrusion plate 807 to move away from the glass door 3. At this time, the extrusion frame 812 contacts the square block 806, and the extrusion frame 812 is displaced by force, thereby driving the extrusion plate 807 to rotate horizontally, avoiding obstruction during the disassembly and assembly of the glass door 3, facilitating the rapid installation and fixation of the glass door 3, and facilitating subsequent detection operations.

[0039] Please refer to Figures 1 to 4 A first threaded hole is formed on the outer wall of the horizontal plate 707 , and the first threaded hole matches the first threaded rod 706 . Gear teeth are provided on both sides of the horizontal plate 707 , and the gear teeth mesh with the first spur gear 708 .

[0040] In this embodiment: the first motor 705 is started, the first motor 705 drives the first threaded rod 706 to rotate, the rotation of the first threaded rod 706 drives the horizontal plate 707 to move, and the displacement of the horizontal plate 707 drives the first spur gear 708 to rotate.

[0041] Please refer to Figures 1 to 4 The outer wall of the second threaded rod 709 is symmetrically provided with external threads, and the outer wall of the displacement plate 710 is provided with a second threaded hole, which matches the external threads.

[0042] In this embodiment, the first spur gear 708 rotates to drive the second threaded rod 709 to rotate, and the second threaded rod 709 rotates to drive the two displacement plates 710 to move in opposite directions. The displacement of the displacement plate 710 drives the fixed block 712 to move through the connecting rod 711.

[0043] Please refer to Figures 1 to 4 The inner wall of the mounting groove 701 fits with the outer wall of the mounting frame 2 , and the inner wall of the fixing groove 703 fits with the outer wall of the fixing block 712 .

[0044] In this embodiment: the installation frame 2 is placed into the installation groove 701, and the fixing block 712 is displaced and inserted into the fixing groove 703 to fix the installation frame 2. At the same time, the installation frame 2 is tightly attached to the first sealing ring 702 to improve the sealing between the installation frame 2 and the detection box 1.

[0045] Please refer to Figures 4 to 7 A third threaded hole is formed on the outer wall of the movable frame 805 , and the third threaded hole matches the third threaded rod 804 . A tooth groove is formed on the outer wall of the extrusion frame 812 , and the tooth groove meshes with the second spur gear 811 . The second bevel gear 810 meshes with the first bevel gear 809 .

[0046] In this embodiment: the operation of the second motor 803 drives the third threaded rod 804 to rotate, and the rotation of the third threaded rod 804 drives the movable frame 805 to move. During this process, the square block 806 is separated from the extrusion frame 812, and the extrusion frame 812 is displaced by the elastic force of the first spring 813. The displacement of the extrusion frame 812 drives the second spur gear 811 to rotate, and the rotation of the second spur gear 811 drives the second bevel gear 810 to rotate. The rotation of the second bevel gear 810 drives the first bevel gear 809 to rotate. The rotation of the first bevel gear 809 drives the connecting shaft 808 to rotate, and the rotation of the connecting shaft 808 drives the extrusion plate 807 to rotate.

[0047] Please refer to Figures 4 to 7 The outer wall of the slider 814 fits with the inner wall of the slide groove 815, and the positioning rod 816 is provided with an inclined surface at one end of the inner cavity of the slide groove 815. The outer wall of the displacement plate 710 is provided with a positioning groove, and the end of the positioning rod 816 facing the displacement plate 710 is engaged with the positioning groove.

[0048] In this embodiment: during the displacement of the movable frame 805, the slider 814 is driven to displace into the slide groove 815, the slider 814 contacts the positioning rod 816, pushes the positioning rod 816 to displace, squeezes the second spring 817, and the positioning rod 816 displaces and contacts the displacement plate 710, thereby locking and fixing the displacement plate 710.

[0049] A testing process for glass door sealing performance testing equipment, the specific steps are as follows:

[0050] Step 1: Select an installation frame 2 having a placement groove 801 matching the glass door 3, and install the installation frame 2 into the installation groove 701;

[0051] Step 2: Place the glass door 3 into the placement groove 801, and fix the glass door 3 by cooperating with the parts in the clamping mechanism 8;

[0052] Step 3: Inject air into the test box 1 through the air inlet pipe 5, and detect the air pressure in the test box 1 through the air pressure detector 4, so that the air pressure in the test box 1 is greater than the external air pressure. After leaving it for a period of time, check whether the air pressure in the test box 1 decreases, so as to detect the sealing performance of the glass door 3.

[0053] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A glass door sealing performance testing device, comprising a testing box (1), characterized in that: A mounting frame (2) is installed at one end of the detection box (1), a glass door (3) is provided in the inner cavity of the mounting frame (2), an air pressure detector (4) is installed at the top of the detection box (1), an air intake pipe (5) is fixedly connected to the top of the detection box (1), a high-pressure air pump (6) is installed on the outer wall of the air intake pipe (5), the mounting frame (2) is installed by means of a mounting mechanism (7), and the glass door (3) is fixed to the inner cavity of the mounting frame (2) by means of a clamping mechanism (8); The mounting mechanism (7) comprises a mounting groove (701), the mounting groove (701) being provided at one end of the detection box (1), a first sealing ring (702) being provided on the inner wall of the mounting groove (701), fixing grooves (703) being symmetrically provided on both sides of the mounting frame (2), a mounting plate (704) being fixedly connected to the top of the detection box (1), a first motor (705) being provided on the outer wall of the mounting plate (704), an output end of the first motor (705) being connected to a first threaded rod (706), an outer wall of the first threaded rod (706) being connected to a transverse plate (707), and the transverse plate (707) being slidably connected to the detection box (1). The top end of the detection box (1) is located on both sides of the horizontal plate (707) and is rotatably connected to the first spur gear (708), the bottom end of the first spur gear (708) is fixedly connected to the second threaded rod (709), the interior of the detection box (1) is slidably connected to a displacement plate (710), the displacement plate (710) is symmetrically arranged on the outer wall of the second threaded rod (709), the outer wall of the displacement plate (710) is rotatably connected to a connecting rod (711), one end of the connecting rod (711) is rotatably connected to a fixing block (712), the fixing block (712) is slidably connected to the interior of the detection box (1) and extends to the inner cavity of the mounting groove (701); The clamping mechanism (8) comprises a placement groove (801), the placement groove (801) is formed on the outer wall of the installation frame (2), a second sealing ring (802) is installed on the inner wall of the placement groove (801), a second motor (803) is installed on the end of the detection box (1) away from the glass door (3), the output end of the second motor (803) is connected to a third threaded rod (804), the outer wall of the third threaded rod (804) is connected to a movable frame (805), the movable frame (805) is slidably connected to the inside of the detection box (1), the outer wall of the detection box (1) is located above and below the second motor (803) and is fixedly connected to a square block (806), one end of the movable frame (805) is rotatably connected to an extrusion plate (807), and the outer wall of the extrusion plate (807) is fixedly connected to a connecting shaft (808); The clamping mechanism (8) further comprises a first bevel gear (809), the first bevel gear (809) being fixedly connected to one end of the connecting shaft (808), a second bevel gear (810) being rotatably connected to the outer wall of the first bevel gear (809) inside the movable frame (805), a second spur gear (811) being fixedly connected to one end of the second bevel gear (810), an extrusion frame (812) being slidably connected to the outer wall of the second spur gear (811) inside the movable frame (805), and the extrusion frame (812) being rotatably connected to the outer wall of the second spur gear (811). A first spring (813) is connected between the movable frames (805); the extrusion frame (812) extends out of the interior of the movable frame (805); a slider (814) is fixedly connected to the outer wall of one end of the movable frame (805); one end of the detection box (1) is located on one side of the movable frame (805) and is provided with a slide groove (815); a positioning rod (816) extending to the inner cavity of the slide groove (815) is slidably connected inside the detection box (1); and a second spring (817) is connected between the positioning rod (816) and the detection box (1).

2. A glass door sealing performance testing device according to claim 1, characterized in that: A first threaded hole is formed on the outer wall of the transverse plate (707), and the first threaded hole matches the first threaded rod (706).

3. The glass door sealing performance testing device according to claim 1, characterized in that: Gear teeth are provided on both sides of the transverse plate (707), and the gear teeth are meshed with the first spur gear (708).

4. The glass door sealing performance testing device according to claim 1, characterized in that: The outer wall of the second threaded rod (709) is symmetrically provided with external threads, and the outer wall of the displacement plate (710) is provided with a second threaded hole, the second threaded hole matching the external threads.

5. The glass door sealing performance testing device according to claim 1, characterized in that: The inner wall of the installation groove (701) fits with the outer wall of the installation frame (2), and the inner wall of the fixing groove (703) fits with the outer wall of the fixing block (712).

6. The glass door sealing performance testing device according to claim 1, characterized in that: The outer wall of the movable frame (805) is provided with a third threaded hole, the third threaded hole matches the third threaded rod (804), the outer wall of the extrusion frame (812) is provided with a tooth groove, the tooth groove meshes with the second spur gear (811), and the second bevel gear (810) meshes with the first bevel gear (809).

7. The glass door sealing performance testing device according to claim 1, characterized in that: The outer wall of the sliding block (814) is in contact with the inner wall of the sliding groove (815); an end of the positioning rod (816) located in the inner cavity of the sliding groove (815) is provided with an inclined surface; a positioning groove is provided on the outer wall of the displacement plate (710); and one end of the positioning rod (816) facing the displacement plate (710) is engaged with the positioning groove.

8. A testing process for a glass door sealing performance testing device according to any one of claims 1 to 7, characterized in that: The specific steps are as follows: Step 1: Select an installation frame (2) having a placement groove (801) that matches the glass door (3), and install the installation frame (2) into the installation groove (701); Step 2: placing the glass door (3) into the placement groove (801), and fixing the glass door (3) by cooperating with the parts in the clamping mechanism (8); Step 3: Inject air into the test box (1) through the air inlet pipe (5), and use the air pressure detector (4) to detect the air pressure in the test box (1), so that the air pressure in the test box (1) is greater than the external air pressure. After a period of time, check whether the air pressure in the test box (1) decreases, thereby detecting the sealing performance of the glass door (3).

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