Motion mechanism for temperature shock test chamber
By designing a combination of chamber, basket, frame and spring damping device in the temperature shock test chamber, a tight fit of the sealing strip is achieved, solving the micro-leakage problem caused by the gaps between moving parts in the chain-type temperature shock test chamber, and improving the accuracy of temperature change rate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BIAKLEIN TESTING TECH (SHANGHAI) CO LTD
- Filing Date
- 2025-07-11
- Publication Date
- 2026-06-19
AI Technical Summary
Chain-type temperature shock test chambers are prone to micro-leakage due to gaps between moving parts, which affects the accuracy of temperature change rate.
Design a motion mechanism for a temperature shock test chamber, including a chamber body, a basket, a frame, a drive mechanism, and a spring damping device. The spring damping device uses its rebound force to press the sealing strip between the basket and the frame to form a seal.
The sealing problem of the chain-type temperature shock test chamber was solved, and the accuracy of the temperature change rate was improved.
Smart Images

Figure CN224382954U_ABST
Abstract
Description
Technical Field
[0001] The embodiments of this utility model relate to a motion mechanism in the field of environmental testing equipment technology, and particularly to a motion mechanism for a temperature shock test chamber. Background Technology
[0002] A chain-driven temperature shock chamber is an experimental device used to test the performance stability of materials, components, or products under extreme temperature changes. Its core feature is the use of a chain-driven conveyor system (usually a robotic arm or conveyor belt) to rapidly switch samples between different temperature zones (such as high temperature, low temperature, and room temperature) to simulate the harsh conditions of rapid temperature shock. However, under high / low temperature cycling conditions, gas leakage due to thermal expansion and contraction of the chamber, and micro-leakage due to gaps in moving parts (such as chain pitch error) in chain-driven shock chambers can affect the accuracy of temperature change rate measurements. Utility Model Content
[0003] The purpose of this invention is to provide a motion mechanism for a temperature shock test chamber that can solve the sealing problem of a chain-type temperature shock test chamber.
[0004] To achieve the above objectives, the present invention provides a motion mechanism for a temperature shock test chamber, comprising:
[0005] Box;
[0006] A carrying basket is movably disposed within the box.
[0007] A frame is provided in the middle of the box body;
[0008] A drive mechanism is provided above the frame; the basket is connected to the drive mechanism; the drive mechanism drives the basket to move within the housing.
[0009] A spring damping device is provided between the frame and the drive mechanism; when the drive mechanism drives the basket into the working area of the box, the drive mechanism stops working, and the spring damping device uses its rebound force to press the sealing strip between the basket and the frame to form a seal.
[0010] Furthermore, in the motion mechanism for the temperature shock test chamber described in this utility model, the chamber body further includes:
[0011] The left housing is located on the left side of the housing.
[0012] The right housing is located on the right side of the housing.
[0013] The drive mechanism drives the basket to move from the left compartment to the right compartment; or the drive mechanism drives the basket to move from the right compartment to the left compartment.
[0014] Furthermore, in the motion mechanism for the temperature shock test chamber described in this utility model, the basket is movably connected in the chamber body, and a guide rail is fixed on the base below the basket. The basket is movably connected to the guide rail via a slider.
[0015] Furthermore, in the motion mechanism for the temperature shock test chamber described in this utility model, the sealing strips are fixed along the longitudinal direction on both sides of the frame.
[0016] Furthermore, in the motion mechanism for the temperature shock test chamber described in this utility model, a protrusion is provided on each side of the frame; a groove is provided on each side of the basket; the protrusion is engaged in the groove; at the point where the protrusion contacts the groove, the sealing strip is fixed on the protrusion; and a sealing block is fixed on the groove.
[0017] Furthermore, in the motion mechanism for the temperature shock test chamber described in this utility model, the protrusion fits against the sealing block to achieve a seal.
[0018] Furthermore, in the motion mechanism for the temperature shock test chamber described in this utility model, the driving mechanism further includes:
[0019] A gearbox, with its outer casing fixed above the spring damping device;
[0020] A drive motor is connected to the shaft of the drive motor at the input end of the gearbox;
[0021] A drive sprocket is fixedly connected to the output end of the gearbox.
[0022] Passive wheel bases are fixed on both sides of the frame and above the housing.
[0023] The first passive wheel is movably connected to any one of the passive wheel bases;
[0024] A number of passive wheel assemblies are fixed on both sides of the passive wheel base and on the top of the housing along a predetermined horizontal axis and a predetermined vertical axis.
[0025] The drive chain passes above the drive sprocket, around the bottom of the first driven wheel, through the driven wheel assembly, and through the housing; both ends of the drive chain are fixed to both ends of the basket by swivel bolts.
[0026] The drive motor drives the active sprocket, which, through the transmission chain, bypasses the first passive wheel and passes through the passive wheel assembly, causing the basket to move along a preset axis.
[0027] Furthermore, in the motion mechanism for the temperature shock test chamber described in this utility model, any one of the passive wheel assemblies further includes:
[0028] A base plate is fixed to the box body; several first oblong holes are opened horizontally on the base plate;
[0029] Ear plates, two ear plates are fixed on both sides of the base plate; a plurality of second oblong holes and a plurality of slots are longitudinally opened on the ear plates; the first oblong holes and the second oblong holes are used to adjust the installation position of the passive wheel assembly;
[0030] A fixing plate is provided on the inner side of the ear plate, and bolts are inserted into the second oblong hole to fix the fixing plate.
[0031] A support column is inserted between the fixing plates; bolts are inserted into the fixing plates and the support column to fix them.
[0032] A bearing housing, wherein several bearing housing shells are fixed on both sides of the fixed plate;
[0033] A rotating shaft is inserted into a bearing hole in any of the bearing housings.
[0034] A driven wheel is fixed on the rotating shaft between the fixed plates.
[0035] Furthermore, in the motion mechanism for the temperature shock test chamber described in this utility model, the spring damping device further includes:
[0036] A base plate, with several base plates fixed above the frame;
[0037] The first semi-cylindrical plate is fixed on the base plate;
[0038] The second semi-cylindrical plate is fitted inside the first semi-cylindrical plate;
[0039] A spring is disposed inside the second semi-cylindrical plate;
[0040] The upper base plate is fixed at one end of the second semi-cylindrical plate;
[0041] A reducer base plate is used to fix the upper base plate below the reducer base plate; a bolt is passed through the reducer base plate and the upper base plate, through the center of the spring, and fixed to the base plate; the first semi-cylindrical plate and the second semi-cylindrical plate restrict the bending degree of the spring.
[0042] Furthermore, in the motion mechanism for the temperature shock test chamber described in this utility model, a spring damping device is provided at each of the four corners of the reducer base plate, and clearance holes are opened on both sides of the reducer base plate to avoid the transmission of the transmission chain.
[0043] Compared with the prior art, the embodiment of this utility model features a movable basket inside the chamber; a frame in the middle of the chamber; a drive mechanism above the frame; a basket connected to the drive mechanism; the drive mechanism driving the basket to move within the chamber; and a spring damping device between the frame and the drive mechanism. When the drive mechanism drives the basket into the working area of the chamber, the drive mechanism stops working, and the spring damping device's rebound force presses the sealing strip between the basket and the frame to form a seal. This solves the sealing problem of chain-type temperature shock test chambers. This utility model solves the sealing problem of chain-type temperature shock test chambers and addresses the technical problem in the prior art where the "chain-type" transmission system is prone to micro-leakage due to gaps in moving parts (such as chain pitch error), affecting the accuracy of temperature change rate. Attached Figure Description
[0044] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0045] Figure 2 for Figure 1 Front view diagram;
[0046] Figure 3 This is a schematic diagram of the AA direction;
[0047] Figure 4 This is a magnified structural diagram of point B of the present invention;
[0048] Figure 5 This is an enlarged structural schematic diagram of the passive wheel assembly of this utility model. Detailed Implementation
[0049] To make the objectives, technical solutions, and advantages of this utility model clearer, the various embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been provided in the various embodiments of this utility model to facilitate a better understanding of this application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.
[0050] The embodiments of this utility model relate to a motion mechanism for a temperature shock test chamber, such as... Figures 1 to 4 As shown, it includes:
[0051] In this embodiment, the housing 1 serves as the housing for the motion mechanism of the temperature shock test chamber.
[0052] A carrying basket 2 is movable inside the housing 1; the carrying basket 2 is movable inside the housing 1.
[0053] A frame 3 is installed in the middle of the housing 1; the frame 3 is used to install the drive mechanism 100.
[0054] A drive mechanism 100 is installed above the frame 3; the basket 2 is connected to the drive mechanism 100; the drive mechanism 100 drives the basket 2 to move in the housing 1; the drive mechanism 100 mainly provides the power to drive the basket 2.
[0055] A spring damping device 200 is installed between the frame 3 and the drive mechanism 100. When the drive mechanism 100 drives the basket 2 into the working area of the box 1, the drive mechanism 100 stops working, and the spring damping device 200 generates a rebound force. The rebound force of the spring damping device 200 is used to press the sealing strip 4 between the basket 2 and the frame 3 to form a seal. This solves the sealing problem of the chain-type temperature shock test chamber and solves the technical problem in the existing "chain-type" transmission system that is prone to micro-leakage due to the gap between moving parts (such as chain pitch error), which affects the accuracy of temperature change rate.
[0056] To address the aforementioned technical issues, the motion mechanism for the temperature shock test chamber in this embodiment, such as... Figures 1 to 4 As shown, housing 1 also includes:
[0057] Left box 5 is installed on the left side of box 1;
[0058] A right box 6 is set on the right side of box 1; the left box 5 and the right box 6 constitute the structure of the entire box 1.
[0059] The drive mechanism 100 drives the basket 2 from the left box 5 to the right box 6; or the drive mechanism 100 drives the basket 2 from the right box 6 to the left box 2.
[0060] To address the aforementioned technical issues, the motion mechanism for the temperature shock test chamber in this embodiment, such as... Figures 1 to 4 As shown, the basket 2 is movably connected to the housing 1. Below the basket 2, a guide rail 8 is fixed on the base 7, and the basket 2 is movably connected to the guide rail 8 via a slider. The basket 2 slides on the guide rail 8 via the slider.
[0061] To address the aforementioned technical issues, the motion mechanism for the temperature shock test chamber in this embodiment, such as... Figures 1 to 4 As shown, sealing strips 4 are fixed along the longitudinal direction on both sides of frame 3. Sealing strips 4 are used for sealing.
[0062] To address the aforementioned technical issues, the motion mechanism for the temperature shock test chamber in this embodiment, such as... Figures 1 to 4 As shown, a protrusion 9 is provided on each side of the frame 3; a groove 10 is provided on each side of the basket 2; the protrusion 9 is engaged in the groove 10; a sealing strip 4 is fixed on the protrusion 9 where it contacts the groove 10; a sealing block 11 is fixed on the groove 10. The sealing strip 4 seals the contact area between the protrusion 9 and the groove 10, thereby achieving a seal between the left box 5 and the right box 6.
[0063] To address the aforementioned technical issues, the motion mechanism for the temperature shock test chamber in this embodiment, such as... Figures 1 to 4 As shown, the protrusion 9 fits against the sealing block 11 to achieve a seal. The motion mechanism for the temperature shock test chamber in this embodiment is designed to ensure a better fit between the protrusion 9 and the sealing block 11, resulting in a better seal.
[0064] To address the aforementioned technical issues, the motion mechanism for the temperature shock test chamber in this embodiment, such as... Figures 1 to 4 As shown, the drive mechanism 100 also includes:
[0065] The outer casing of the gearbox 101 is fixed above the spring damping device 200;
[0066] The input end of the gearbox 101 is connected to the shaft of the drive motor 102; the drive motor 102 drives the gearbox 101 to reduce speed.
[0067] A drive sprocket 103 is fixedly connected to the output end of the gearbox 101; the drive motor 102 drives the gearbox 101 to reduce speed and then drives the drive sprocket 103.
[0068] On both sides of the frame 3, several passive wheel bases 104 are fixed above the housing 1; the passive wheel bases 104 are equipped with the first passive wheel 105.
[0069] The first passive wheel 105 is movably connected to any one of the passive wheel bases 104;
[0070] On both sides of the passive wheel base 104, several passive wheel assemblies 110 are fixed on the upper part of the housing 1 along the preset horizontal axis and the preset vertical axis; the passive wheel assembly 110 is used to connect the transmission chain 106.
[0071] Above the drive sprocket 103, it passes under the first driven wheel 105, through the driven wheel assembly 110, and through the housing 1; both ends of the drive chain 106 are fixed to both ends of the basket 2 by live bolts 107; the drive chain 106 is mainly used for transmission.
[0072] The drive motor 102 drives the drive sprocket 103, which, via the transmission chain 106, passes around the first driven wheel 105 and through the driven wheel assembly 110, causing the basket 2 to move along a preset axis. The drive mechanism 100 drives the basket 2 to work in the two working areas of the housing 1.
[0073] To address the aforementioned technical issues, the motion mechanism for the temperature shock test chamber in this embodiment, such as... Figures 1 to 5 As shown, any one of the passive wheel components 110 also includes:
[0074] A base plate 111 is fixed on the housing 1; several first oblong holes 112 are opened horizontally on the base plate 111;
[0075] Two ear plates 113 are fixed on both sides of the base plate 111; several second waist-shaped holes 114 and several slots 115 are longitudinally opened on the ear plates 113; the first waist-shaped holes 112 and the second waist-shaped holes 114 are used to adjust the installation position of the passive wheel assembly 110; the ear plates 113 are fixed on the base plate 111.
[0076] On the inner side of the ear plate 113, the bolt is inserted into the second oblong hole 114 to center and fix the fixing plate 115; the fixing plate 115 is used to fix the bearing seat 117.
[0077] A support column 116 is inserted between the fixing plates 115; bolts are inserted into the fixing plates 115 and the support column 116 for fixation; the support column 116 is used to separate the fixing plates 115.
[0078] The outer shells of several bearing seats 117 are fixed on both sides of the fixing plate 115;
[0079] Insert the rotating shaft 118 into the bearing hole of any one of the bearing housings 117;
[0080] A driven wheel 119 (not shown in the figure) is fixed on a rotating shaft 118 between the fixed plates 115. The driven wheel 119 rotates on the rotating shaft 118.
[0081] To address the aforementioned technical issues, the motion mechanism for the temperature shock test chamber in this embodiment, such as... Figures 1 to 4 As shown, the spring damping device 200 also includes:
[0082] Several base plates 201 are fixed above frame 3;
[0083] The first semi-cylindrical plate 202 is fixed on the base plate 201; the base plate 201 is used to fix the first semi-cylindrical plate 202.
[0084] A second semi-cylindrical plate 203 is fitted inside the first semi-cylindrical plate 202; the second semi-cylindrical plate 203 serves to limit the spring 204.
[0085] The spring 204 is placed inside the second semi-cylindrical plate 203;
[0086] An upper base plate 205 is fixed to one end of the second semi-cylindrical plate 203; the upper base plate 205 is used to fix the reducer base plate 206.
[0087] The upper base plate 205 is fixed below the reducer base plate 206; a bolt is passed through the reducer base plate 206 and the upper base plate 205, through the center of the spring 204, and fixed to the base plate 205; the first semi-cylindrical plate 202 and the second semi-cylindrical plate 203 restrict the bending degree of the spring 204.
[0088] When the drive mechanism 100 drives the basket 2 into the working area of the chamber 1, the drive mechanism 100 stops working, and the spring damping device 200 generates a rebound force. The rebound force of the spring damping device 200 is used to press the sealing strip 4 between the basket 2 and the frame 3 to form a seal. This solves the sealing problem of the chain-type temperature shock test chamber and solves the technical problem in the existing "chain-type" transmission system that is prone to micro-leakage due to the gap between moving parts (such as chain pitch error), which affects the accuracy of temperature change rate.
[0089] To address the aforementioned technical issues, the motion mechanism for the temperature shock test chamber in this embodiment, such as... Figures 1 to 4 As shown, a spring damping device 200 is installed at each of the four corners of the reducer base plate 206, and clearance holes 207 are opened on both sides of the reducer base plate 206 to avoid the transmission of the drive chain 106. This structure allows the spring damping device 200 to rebound more evenly. It also achieves better sealing and solves the technical problem that micro-leakage is easily generated in the "chain-type" transmission system due to the gaps between moving parts (such as chain pitch error), which affects the accuracy of temperature change rate.
[0090] Those skilled in the art will understand that the above embodiments are specific examples of implementing the present invention, and in practical applications, various changes can be made to them in form and detail without departing from the spirit and scope of the present invention.
Claims
1. A motion mechanism for a temperature shock test chamber, characterized in that, include: Box; A carrying basket is movably disposed within the box. A frame is provided in the middle of the box body; A drive mechanism is disposed above the frame; The basket is connected to the drive mechanism; the drive mechanism drives the basket to move within the housing. A spring damping device is provided between the frame and the drive mechanism; When the drive mechanism drives the basket into the working area of the box, the drive mechanism stops working and uses the rebound force of the spring damping device to press the sealing strip between the basket and the frame to form a seal.
2. The motion mechanism for a temperature shock test chamber according to claim 1, characterized in that, The enclosure also includes: The left housing is located on the left side of the housing. The right housing is located on the right side of the housing. The drive mechanism drives the basket to move from the left compartment to the right compartment; or the drive mechanism drives the basket to move from the right compartment to the left compartment.
3. The motion mechanism for a temperature shock test chamber according to claim 1, characterized in that, The basket is movably connected to the box body. Below the basket, a guide rail is fixed on the base, and the basket is movably connected to the guide rail via a slider.
4. The motion mechanism for a temperature shock test chamber according to claim 1, characterized in that, The sealing strips are fixed along the longitudinal direction on both sides of the frame.
5. The motion mechanism for a temperature shock test chamber according to claim 4, characterized in that, A protrusion is provided on each side of the frame; a groove is provided on each side of the basket; the protrusion is engaged in the groove; a sealing strip is fixed on the protrusion where it contacts the groove; a sealing block is fixed on the groove.
6. The motion mechanism for a temperature shock test chamber according to claim 5, characterized in that, The protrusion fits into the sealing block to provide a seal.
7. The motion mechanism for a temperature shock test chamber according to claim 1, characterized in that, The drive mechanism further includes: A gearbox, with its outer casing fixed above the spring damping device; A drive motor is connected to the shaft of the drive motor at the input end of the gearbox; A drive sprocket is fixedly connected to the output end of the gearbox. Passive wheel bases are fixed on both sides of the frame and above the housing. The first passive wheel is movably connected to any one of the passive wheel bases; A number of passive wheel assemblies are fixed on both sides of the passive wheel base and on the top of the housing along a predetermined horizontal axis and a predetermined vertical axis. The drive chain passes above the drive sprocket, around the bottom of the first driven wheel, through the driven wheel assembly, and through the housing; both ends of the drive chain are fixed to both ends of the basket by swivel bolts. The drive motor drives the active sprocket, which, through the transmission chain, bypasses the first passive wheel and passes through the passive wheel assembly, causing the basket to move along a preset axis.
8. The motion mechanism for a temperature shock test chamber according to claim 7, characterized in that, Any of the aforementioned passive wheel components further includes: A base plate is fixed to the box body; several first oblong holes are opened horizontally on the base plate; Ear plates, two ear plates are fixed on both sides of the base plate; a plurality of second oblong holes and a plurality of slots are longitudinally opened on the ear plates; the first oblong holes and the second oblong holes are used to adjust the installation position of the passive wheel assembly; A fixing plate is provided on the inner side of the ear plate, and bolts are inserted into the second oblong hole to fix the fixing plate. A support column is inserted between the fixing plates; bolts are inserted into the fixing plates and the support column to fix them. A bearing housing, wherein several bearing housing shells are fixed on both sides of the fixed plate; A rotating shaft is inserted into a bearing hole in any of the bearing housings. A driven wheel is fixed on the rotating shaft between the fixed plates.
9. The motion mechanism for a temperature shock test chamber according to claim 1, characterized in that, The aforementioned spring damping device further includes: A base plate, with several base plates fixed above the frame; The first semi-cylindrical plate is fixed on the base plate; The second semi-cylindrical plate is fitted inside the first semi-cylindrical plate; A spring is disposed inside the second semi-cylindrical plate; The upper base plate is fixed at one end of the second semi-cylindrical plate; A reducer base plate is used to fix the upper base plate below the reducer base plate; a bolt is passed through the reducer base plate and the upper base plate, through the center of the spring, and fixed to the base plate; the first semi-cylindrical plate and the second semi-cylindrical plate restrict the bending degree of the spring.
10. The motion mechanism for a temperature shock test chamber according to claim 9, characterized in that, A spring damping device is installed at each of the four corners of the reducer base plate, and clearance holes are opened on both sides of the reducer base plate to avoid the transmission of the drive chain.