Glue climbing prevention structure, temperature controller and production process of temperature controller
By setting potting holes at the connection points of the terminals and mounting parts and using the tension of the potting compound to counteract the tension, combined with a dispensing machine, the problem of potting compound creeping was solved, thus realizing automated production of temperature controllers and improving product performance.
Patent Information
- Application Number
- CN202511185883.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-22
- Publication Date
- 2025-11-14
AI Technical Summary
During the production of thermostats, potting compound tends to creep onto the terminals, causing poor contact between the terminals and the socket, which affects product performance. Furthermore, existing technologies rely on manual dispensing, making it difficult to achieve consistency and efficient production.
A non-climbing adhesive structure is designed by setting a potting hole at the connection between the terminal block and the mounting part, and using the tension of the potting adhesive to offset the tension. Combined with a dispensing machine, automated production is achieved to ensure that the potting adhesive does not climb. At the same time, limit protrusions are set at key parts to prevent extrusion deformation.
It effectively prevents potting compound from creeping, improves product performance and production efficiency, realizes automated production, and ensures consistent dispensing results and product quality.
Smart Images

Figure CN120954924A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of thermostat technology, and specifically relates to an anti-climbing adhesive structure, a thermostat, and its manufacturing process. Background Technology
[0002] Typically, during the production of thermostats, potting compound is used to seal the connection between the terminals and the housing to prevent moisture and oil from entering the thermostat and causing electrical leakage. However, during the dispensing process, potting compound can seep through the terminals, potentially causing poor contact when the terminals are inserted into the socket, thus affecting product performance. Summary of the Invention
[0003] To address the aforementioned problems, the primary objective of this invention is to provide an anti-climbing adhesive structure, a temperature controller, and a manufacturing process thereof, thereby resolving the technical issues.
[0004] To achieve the above objectives, the technical solution of the present invention is as follows:
[0005] This invention provides an anti-climb adhesive structure, the structure comprising:
[0006] The terminal block includes an insertion part and a mounting part, which are vertically connected. An encapsulation hole is provided at the connection between the insertion part and the mounting part, preferably at the center.
[0007] Preferably, the potting compound can be an epoxy resin adhesive, whose main components are epoxy resin and a curing agent. Its advantages include strong adhesion, good insulation, chemical resistance, and low cost; its disadvantages include high hardness and poor toughness after curing, which may lead to cracking. Typical applications include power modules, transformers, and sensors.
[0008] Preferably, the potting compound can be silicone rubber, whose main component is polysiloxane. Its advantages include high temperature resistance (-60℃~200℃), good elasticity, vibration resistance, and excellent weather resistance; its disadvantages include weaker adhesion and lower strength. Typical applications include LED lighting, automotive electronics, and outdoor equipment.
[0009] Preferably, the potting compound can be a polyurethane adhesive, whose main components are polyisocyanates and polyols. Its advantages include good flexibility, impact resistance, low-temperature resistance (-40℃~120℃), and excellent water resistance; its disadvantages include poor weather resistance, poor temperature resistance, and a tendency to yellow at high temperatures. Typical applications include connectors, coils, and consumer electronics.
[0010] Compared with existing technologies, the beneficial effects of this application are as follows: During dispensing, the pulling force generated by the potting compound flowing downwards through the dispensing hole counteracts the tension of the potting compound climbing upwards along the connection, preventing the potting compound from climbing onto the insertion part of the terminal block and meeting the product performance requirements. The application of this technology also reduces the difficulty of machine dispensing, transforming manual dispensing into machine dispensing. Since the dispensing amount of the dispensing machine is controllable, it can effectively ensure consistent dispensing results, thereby achieving automated production and improving production efficiency and product quality.
[0011] Furthermore, the anti-creep structure also includes a housing and potting compound. The upper surface of the housing has a mounting groove corresponding to the mounting portion. The mounting portion of the terminal block is embedded in the mounting groove, forming a filling space between the mounting portion and the mounting groove. The potting compound covers the upper surface of the mounting portion and flows through the potting hole into the filling space. During dispensing, the potting compound covers the upper surface of the mounting portion and flows out through the potting hole into the filling space. The pulling force generated by the downward flow of the potting compound through the potting hole counteracts the tension of the potting compound climbing upwards along the connection, preventing the potting compound from creeping into the insertion portion of the terminal block. Simultaneously, the potting compound automatically fills the filling space through the potting hole, eliminating the need for further dispensing into the filling space, thus improving production efficiency and product quality.
[0012] Furthermore, a first through hole is provided in the mounting part, and a limiting protrusion extends from one end of the insertion part near the mounting part. When the insertion part of the terminal block is inserted into the socket hole, the limiting protrusion blocks further insertion of the insertion part, preventing the mounting part of the terminal block from contacting the socket hole and causing the first potting compound covering the mounting part to be squeezed and deformed.
[0013] A temperature controller includes: two terminals, a housing, and a temperature sensing cover. The upper surface of the housing has two oppositely arranged mounting grooves, and the mounting part of each terminal is correspondingly embedded in the mounting groove. The housing and the temperature sensing cover are bonded together by potting adhesive.
[0014] In this embodiment, potting compound is filled into the gaps of the thermostat. After curing, the potting compound forms a sealed protective layer, which can play a role in waterproofing, moisture-proofing, dustproofing, shockproofing, insulation, and heat dissipation, thereby extending the service life of the thermostat and ensuring its safe and stable operation in complex environments (such as high temperature, high humidity, and high pollution).
[0015] The electrical and temperature resistance requirements for the potting compound are as follows:
[0016] Electrical performance: High insulation resistance and low dielectric constant to avoid signal interference.
[0017] Temperature resistance: Wide operating temperature range, -40℃~150℃, good flame retardancy.
[0018] In addition, potting compounds should also meet requirements such as resistance to damp heat, oil stains, salt spray, and environmental protection.
[0019] Furthermore, the temperature-sensing cover includes a cover body and a hanging plate extending outward along the edge of the cover body. A first accommodating space is formed on the inner surface of the cover body. The portion of the outer shell near the cover body is embedded in the first accommodating space. Potting compound is filled at the contact point between the hanging plate and the outer shell. A fixing through hole is provided on the hanging plate.
[0020] Furthermore, the thermostat also includes a first column and a fixed plate. A second accommodating space is formed on the inner surface of the housing. A connecting through hole is provided in the mounting groove of the housing. The first column and the fixed plate are disposed in the second accommodating space. The fixed plate is provided with a second through hole. One end of the first column is mounted with the connecting through hole in the mounting groove and the first through hole of the mounting part of the terminal block. The other end of the first column passes through the second through hole of the fixed plate to realize the electrical connection between the first column and the mounting part of the fixed plate and the terminal block respectively.
[0021] Furthermore, the thermostat also includes a second column, a bent spring sheet, and a switch column. The second column, spring sheet, and switch column are disposed in the second accommodating space. One end of the spring sheet has a third through hole, the other end of the spring sheet has a fourth through hole, and the fixed plate has a fifth through hole.
[0022] One end of the second column passes through the connecting through hole on another mounting groove and the first through hole of the mounting part of another terminal, and the other end of the second column passes through the third through hole of the spring sheet, so as to realize the electrical connection between the second column and the mounting parts of the spring sheet and the terminal respectively.
[0023] One end of the switch post is fixedly mounted on the fixed plate through the fifth through hole, while the other end of the switch post moves through the fourth through hole of the spring plate, thus achieving electrical connection between the switch post and both the fixed plate and the spring plate. When the other end of the switch post passes through the fourth through hole of the spring plate, a closed circuit is formed inside the casing; when the spring plate deforms and pops out of the fourth through hole from the other end of the switch post, the spring plate does not abut against the other end of the switch post, and an open circuit is formed inside the casing.
[0024] Furthermore, the thermostat also includes a waterproof cap, a reset handle, and a reset rod. A first reset through hole is provided at the center of the upper surface of the housing, and a second reset through hole and a reset groove are provided on the spring plate. The reset rod moves through the first reset through hole and abuts against the reset groove through the second reset through hole.
[0025] The reset handle is fitted onto the end of the reset rod furthest from the spring plate, and a waterproof cap covers the reset handle. The contact point between the waterproof cap and the outer shell is filled with potting compound.
[0026] In one application scenario, when the spring sheet deforms and the fourth through hole of the spring sheet pops out from the other end of the switch post, the user can press the waterproof cap, and the reset handle will drive the reset rod to move towards the reset groove of the spring sheet, so as to push the fourth through hole of the spring sheet through the other end of the switch post, and the internal circuit of the housing will be connected.
[0027] The purpose of the waterproof cap: Thermostats are often used in environments with heavy oil and moisture, such as kitchens and bathrooms. There is a gap between the reset rod and the first reset hole on the outer casing. Moisture and oil can enter the thermostat through this gap, reducing its safety and lifespan. Therefore, a waterproof cap is fitted onto the reset rod to prevent moisture and oil from entering the thermostat, ensuring the safety of the appliance and the operator.
[0028] Furthermore, the thermostat also includes an expansion disc and a transmission rod.
[0029] A transmission through hole is provided on the lower surface of the outer casing. An expansion disc is placed in the first accommodating space. The transmission rod moves through the transmission through hole. One side of the transmission rod abuts against the return groove of the spring plate, and the other side of the transmission rod abuts against the expansion disc.
[0030] Preferably, the expansion disc can be a bimetallic sheet made by combining two metal materials with different coefficients of thermal expansion using high-precision machining. The metal sheet with the larger coefficient of expansion is the active layer, and the metal sheet with the smaller coefficient of expansion is the passive layer. When heated, the bimetallic sheet generates different expansion stresses. When these stresses reach a preset temperature operating point, the expansion stress of the active layer is greater than that of the passive layer. This causes a change in the arc shape of the bimetallic sheet, creating a height difference, thus converting thermal energy into kinetic energy. The bimetallic sheet pushes the transmission rod to compress the spring plate. The fourth through hole of the spring plate pops out from the other end of the switch post, and the spring plate does not contact the other end of the switch post, thus breaking the internal circuit of the casing.
[0031] In one embodiment, when the temperature drops to the reset temperature point, the bimetallic strip contracts, the stress returns to its original initial value, the bimetallic strip flips back to its initial state, the spring plate resets, and the other end of the switch column passes through the fourth through hole of the spring plate, forming a circuit in the internal circuit of the housing to achieve automatic opening and closing of the thermostat.
[0032] In another embodiment, the reset temperature of the bimetallic strip is set to a temperature below zero, so that the bimetallic strip cannot automatically reset at room temperature and requires manual intervention to press the reset handle to reset it.
[0033] A manufacturing process for a temperature controller includes:
[0034] Use potting compound to fill the gap where the outer shell and the temperature sensing cover meet;
[0035] Potting compound is used to fill the upper surface of the mounting part of the terminal block. The potting compound passes through the potting hole provided in the terminal block and automatically fills the filling space formed between the mounting part of the terminal block and the mounting groove of the housing.
[0036] Wait for the potting compound to cure.
[0037] Preferably, the potting compound can be loaded into the dispensing machine and then dispensed using the machine. The dispensing machine allows for precise control of the compound volume, ensuring consistent dispensing results and improving production efficiency and product quality.
[0038] Compared with existing technologies, the beneficial effects of this application are as follows: During dispensing, the pulling force generated by the potting compound flowing downwards through the dispensing hole counteracts the tension of the potting compound climbing upwards along the connection, preventing the potting compound from climbing onto the insertion part of the terminal block and meeting the product performance requirements. The application of this technology also reduces the difficulty of machine dispensing, transforming manual dispensing into machine dispensing. Since the dispensing amount of the dispensing machine is controllable, it can effectively ensure consistent dispensing results, thereby achieving automated production and improving production efficiency and product quality. Attached Figure Description
[0039] Figure 1 This is a schematic diagram of the terminal block structure in this invention.
[0040] Figure 2 This is a schematic diagram of the temperature controller in this invention.
[0041] Figure 3 This is a schematic diagram of the outer shell structure in this invention.
[0042] Figure 4 This is a schematic diagram of the temperature-sensing cover in this invention.
[0043] Figure 5 This is a schematic diagram of the structure of the wiring terminal, the first column, the second column, the switch column, the spring sheet, and the fixed connection plate in this invention.
[0044] Figure 6 yes Figure 5 A structural diagram from another perspective.
[0045] Figure 7 This is a schematic diagram of the structure of the fixing plate and spring sheet in this invention.
[0046] Figure 8 This is an exploded view of the spring sheet, reset rod, reset handle, waterproof cap, and glue-filling hole in this invention.
[0047] Figure 9 This is a schematic diagram of the structure of the wiring terminal, the first column, the second column, the switch column, the spring plate, the fixed connection plate, the transmission rod, and the expansion disc in this invention.
[0048] Figure 10 This is a partial structural diagram of the outer shell in this invention.
[0049] In the diagram: 1. Terminal block; 11. Insertion part; 12. Mounting part; 13. Potting hole; 2. Housing; 3. Potting compound; 21. Mounting groove; 211. Filling space; 121. First through hole; 111. Limiting protrusion; 4. Temperature sensing cover; 41. Cover body; 42. Hanging plate; 411. First accommodating space; 421. Fixing through hole; 5. First column; 6. Fixed plate; 21. Second accommodating space; 61. Second through hole; 7. Second column; 8. Spring sheet; 9. Switch column; 81. Third through hole; 82. Fourth through hole; 62. Fifth through hole; 101. Waterproof cap; 102. Reset handle; 103. Reset rod; 22. First reset through hole; 83. Second reset through hole; 84. Reset groove; 104. Expansion disc; 105. Transmission rod; 23. Transmission through hole; 212. Connection through hole. Detailed Implementation
[0050] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.
[0051] To achieve the above objectives, the technical solution of the present invention is as follows:
[0052] See Figures 1-10 As shown, the present invention provides an anti-climb adhesive structure, the structure comprising:
[0053] The terminal block 1 includes an insertion part 11 and a mounting part 12, which are vertically connected. A potting hole 13 is provided at the center of the connection between the insertion part 11 and the mounting part 12.
[0054] Preferably, the potting compound 3 can be an epoxy resin adhesive, the main components of which are epoxy resin and a curing agent. Its advantages include strong adhesion, good insulation, chemical resistance, and low cost; its disadvantages include high hardness and poor toughness after curing, which may lead to cracking. Typical applications include power modules, transformers, and sensors.
[0055] Preferably, the potting compound 3 can be silicone rubber, the main component of which is polysiloxane. Its advantages include high temperature resistance (-60℃~200℃), good elasticity, vibration resistance, and excellent weather resistance; its disadvantages include weaker adhesion and lower strength. Typical applications include LED lighting, automotive electronics, and outdoor equipment.
[0056] Preferably, the potting compound 3 can be a polyurethane adhesive, the main components of which are polyisocyanates and polyols. Its advantages include good flexibility, impact resistance, low-temperature resistance (-40℃~120℃), and excellent water resistance; its disadvantages include poor weather resistance, poor temperature resistance, and a tendency to yellow at high temperatures. Typical applications include connectors, coils, and consumer electronics.
[0057] Compared with existing technologies, the beneficial effects of this application are as follows: During dispensing, the pulling force generated by the potting compound 3 flowing downward through the dispensing hole 13 counteracts the tension of the potting compound 3 climbing upward along the connection, preventing the potting compound 3 from climbing into the insertion part 11 of the terminal 1, thus meeting the performance requirements of the product. The application of this technology also reduces the difficulty of machine dispensing, transforming manual dispensing into machine dispensing. Since the dispensing amount of the dispensing machine is controllable, it can effectively ensure consistent dispensing results, thereby achieving automated production and improving production efficiency and product quality.
[0058] In this embodiment, the anti-climbing adhesive structure also includes a housing 2 and potting compound 3. The upper surface of the housing 2 has a mounting groove 21 corresponding to the mounting portion 12. The mounting portion 12 of the terminal 1 is embedded in the mounting groove 21, forming a filling space 211 between the mounting portion 12 and the mounting groove 21. The potting compound 3 covers the upper surface of the mounting portion 12 and passes through the potting hole 13, filling the filling space 211. During dispensing, the potting compound 3 covers the upper surface of the mounting portion 12 and flows out through the potting hole 13 into the filling space 211. The pulling force generated by the downward flow of the potting compound 3 through the potting hole 13 counteracts the tension of the potting compound 3 climbing upwards along the connection, preventing the potting compound 3 from climbing up the insertion portion 11 of the terminal 1. Simultaneously, the potting compound 3 automatically fills the filling space 211 through the potting hole 13, eliminating the need for further dispensing into the filling space 211, thus improving production efficiency and product quality.
[0059] In this embodiment, a first through hole 121 is provided in the mounting part 12, and a limiting protrusion 111 extends from one end of the insertion part 11 near the mounting part 12. When the insertion part 11 of the terminal 1 is inserted into the socket hole, the limiting protrusion 111 blocks the further insertion of the insertion part 11, preventing the mounting part 12 of the terminal 1 from contacting the socket hole, thus causing the first potting compound 3 covering the mounting part 12 to be squeezed and deformed.
[0060] A temperature controller includes: two terminals 1, a housing 2 and a temperature sensing cover 4. The upper surface of the housing 2 has two oppositely arranged mounting grooves 21. The mounting part 12 of each terminal 1 is correspondingly embedded in the mounting groove 21. The housing 2 and the temperature sensing cover 4 are bonded together by potting adhesive 3.
[0061] In this embodiment, potting compound 3 is filled into the gaps of the thermostat. After curing, the potting compound 3 forms a sealing and protective layer, which can play a role in waterproofing, moisture-proofing, dustproofing, shockproofing, insulation, and heat dissipation, thereby extending the service life of the thermostat and ensuring its safe and stable operation in complex environments (such as high temperature, high humidity, and high pollution).
[0062] The electrical and temperature resistance requirements for potting compound 3 are as follows:
[0063] Electrical performance: High insulation resistance and low dielectric constant to avoid signal interference.
[0064] Temperature resistance: Wide operating temperature range, -40℃~150℃, good flame retardancy.
[0065] In addition, potting compound 3 should also meet the requirements of resistance to damp heat, oil stains, salt spray, and environmental protection.
[0066] In this embodiment, the temperature-sensing cover 4 includes a cover body 41 and a hanging plate 42 extending outward along the edge of the cover body 41. A first accommodating space 411 is formed on the inner surface of the cover body 41. The portion of the outer shell 2 near the cover body 41 is embedded in the first accommodating space 411. The contact area between the hanging plate 42 and the outer shell 2 is filled with potting compound 3. A fixing through hole 421 is provided on the hanging plate 42.
[0067] In this embodiment, the thermostat also includes a first column 5 and a fixed plate 6. A second accommodating space 21 is formed on the inner surface of the housing 2. A connecting through hole 212 is provided on the mounting groove 21 of the housing 2. The first column 5 and the fixed plate 6 are disposed in the second accommodating space 21. The fixed plate 6 is provided with a second through hole 61. One end of the first column 5 is mounted on the connecting through hole 212 on the mounting groove 21 and the first through hole 121 of the mounting part 12 of the terminal 1. The other end of the first column 5 passes through the second through hole 61 of the fixed plate 6 to realize the electrical connection between the first column 5 and the fixed plate 6 and the mounting part 12 of the terminal 1, respectively.
[0068] In this embodiment, the thermostat also includes a second column 7, a bent spring sheet 8, and a switch column 9. The second column 7, spring sheet 8, and switch column 9 are disposed in the second accommodating space 21. One end of the spring sheet 8 is provided with a third through hole 81, the other end of the spring sheet 8 is provided with a fourth through hole 82, and the fixed plate 6 is provided with a fifth through hole 62.
[0069] One end of the second column 7 passes through the connecting through hole 212 on another mounting groove 21 and the first through hole 121 of the mounting part 12 of another terminal 1, and the other end of the second column 7 passes through the third through hole 81 of the spring plate 8, so as to realize the electrical connection between the second column 7 and the spring plate 8 and the mounting part 12 of the terminal 1 respectively.
[0070] One end of the switch post 9 is fixedly mounted on the fixed plate 6 through the fifth through hole 62, and the other end of the switch post 9 movably passes through the fourth through hole 82 of the spring plate 8, so as to realize the electrical connection between the switch post 9 and the fixed plate 6 and the spring plate 8 respectively. When the other end of the switch post 9 passes through the fourth through hole 82 of the spring plate 8, the internal circuit of the housing 2 is closed; when the spring plate 8 deforms and the fourth through hole 82 of the spring plate 8 pops out from the other end of the switch post 9, the spring plate 8 does not abut against the other end of the switch post 9, and the internal circuit of the housing 2 is open.
[0071] In this embodiment, the thermostat also includes a waterproof cap 101, a reset handle 102 and a reset rod 103. A first reset through hole 22 is provided at the center of the upper surface of the housing 2, and a second reset through hole 83 and a reset groove 84 are provided on the spring sheet 8. The reset rod 103 moves through the first reset through hole 22 and the second reset through hole 83 abuts against the reset groove 84.
[0072] The reset handle 102 is sleeved on the end of the reset rod 103 away from the spring plate 8, and the waterproof cap 101 covers the reset handle 102. The contact area between the waterproof cap 101 and the outer shell 2 is filled with potting compound 3.
[0073] In one application scenario, when the spring plate 8 deforms and the fourth through hole 82 of the spring plate 8 pops out from the other end of the switch post 9, the user can press the waterproof cap 101. The reset handle 102 drives the reset rod 103 to move towards the reset groove 84 of the spring plate 8, so as to push the fourth through hole 82 of the spring plate 8 through the other end of the switch post 9, and the internal circuit of the housing 2 forms a passage.
[0074] The purpose of the waterproof cap 101 is as follows: Thermostats are often used in environments with heavy oil and moisture, such as kitchens and bathrooms. There is a gap between the reset rod 103 and the first reset hole 22 of the outer casing 2. Moisture and oil can enter the thermostat through this gap, reducing its safety and lifespan. Therefore, a waterproof cap 101 is fitted onto the reset rod 103 to prevent moisture and oil from entering the thermostat through the gap, ensuring the safety of the appliance and the operator.
[0075] In this embodiment, the temperature controller also includes an expansion disc 104 and a transmission rod 105.
[0076] A transmission through hole 23 is provided on the lower surface of the outer casing 2. An expansion disc 104 is placed in the first accommodating space 411. A transmission rod 105 moves through the transmission through hole 23. One side of the transmission rod 105 abuts against the reset groove 84 of the spring plate 8, and the other side of the transmission rod 105 abuts against the expansion disc 104.
[0077] Preferably, the expansion disc 104 can be a bimetallic sheet made by combining two metal materials with different coefficients of thermal expansion through high-precision machining. The metal sheet with the larger coefficient of expansion is the active layer, and the metal sheet with the smaller coefficient of expansion is the passive layer. When the bimetallic sheet is heated, it will generate different expansion stresses. When the expansion stress reaches the preset temperature action point, the expansion stress of the active layer is greater than that of the passive layer. The arc shape of the bimetallic sheet will change, creating a difference in arc height, thereby converting thermal energy into kinetic energy. The bimetallic sheet pushes the transmission rod 105 to compress the spring plate 8. The fourth through hole 82 of the spring plate 8 pops out from the other end of the switch column 9. The spring plate 8 does not abut against the other end of the switch column 9, and the internal circuit of the outer casing 2 is broken.
[0078] In one embodiment, when the temperature drops to the reset temperature point, the bimetallic strip contracts, the stress returns to its original initial value, the bimetallic strip flips back to its initial state, the spring plate 8 resets, and the other end of the switch post 9 passes through the fourth through hole 82 of the spring plate 8, forming a circuit in the internal circuit of the housing 2 to realize the automatic opening and closing of the thermostat.
[0079] In another embodiment, the reset temperature of the bimetallic strip is set to a temperature below zero, so that the bimetallic strip cannot automatically reset at room temperature and requires manual intervention to press the reset handle 102 to reset it.
[0080] A manufacturing process for a temperature controller includes:
[0081] Use potting compound 3 to fill the gap where the outer shell 2 and the temperature sensing cover 4 meet;
[0082] The potting compound 3 is used to fill the upper surface of the mounting part 12 of the terminal 1. The potting compound 3 passes through the potting hole 13 provided in the terminal 1 and automatically fills the filling space 211 formed between the mounting part 12 of the terminal 1 and the mounting groove 21 of the housing 2.
[0083] Wait for the potting compound to cure.
[0084] Preferably, the potting compound 3 can be loaded into the dispensing machine and dispensing is performed using the dispensing machine. The dispensing machine allows for precise control of the amount of compound, ensuring consistent dispensing results and improving production efficiency and product quality.
[0085] Compared with existing technologies, the beneficial effects of this application are as follows: During dispensing, the pulling force generated by the potting compound 3 flowing downward through the dispensing hole 13 counteracts the tension of the potting compound 3 climbing upward along the connection, preventing the potting compound 3 from climbing into the insertion part 11 of the terminal 1, thus meeting the performance requirements of the product. The application of this technology also reduces the difficulty of machine dispensing, transforming manual dispensing into machine dispensing. Since the dispensing amount of the dispensing machine is controllable, it can effectively ensure consistent dispensing results, thereby achieving automated production and improving production efficiency and product quality.
[0086] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An anti-climbing adhesive structure, characterized in that, include: The terminal block includes an insertion part and a mounting part, which are vertically connected. An adhesive filling hole is provided at the connection between the insertion part and the mounting part.
2. The anti-climb adhesive structure according to claim 1, characterized in that, The anti-climb adhesive structure also includes a shell and potting compound. The upper surface of the shell has an installation groove corresponding to the installation part. The installation part of the terminal block is embedded in the installation groove, and a filling space is formed between the installation part and the installation groove. The potting compound covers the upper surface of the installation part and fills the filling space through the potting hole.
3. The anti-climb adhesive structure according to claim 1, characterized in that, A first through hole is provided in the mounting part, and a limiting protrusion extends from the end of the insertion part near the mounting part.
4. A temperature controller, characterized in that, include: The housing, the temperature sensing cover, and the two terminals as described in claim 3 are provided. The upper surface of the housing has two oppositely arranged mounting grooves, and the mounting part of each terminal is correspondingly embedded in the mounting groove. The housing and the temperature sensing cover are bonded together by potting adhesive.
5. The temperature controller according to claim 4, characterized in that, The temperature-sensing cover includes a cover body and a hanging plate extending outward along the edge of the cover body. A first accommodating space is formed on the inner surface of the cover body. The portion of the outer shell near the cover body is embedded in the first accommodating space. Potting compound is filled at the contact point between the hanging plate and the outer shell. A fixing through hole is provided on the hanging plate.
6. The temperature controller according to claim 5, characterized in that, The thermostat also includes a first column and a fixed plate. A second accommodating space is formed on the inner surface of the housing. A connecting through hole is provided in the mounting groove of the housing. The first column and the fixed plate are disposed in the second accommodating space. The fixed plate is provided with a second through hole. One end of the first column passes through the connecting through hole in the mounting groove and the first through hole of the terminal mounting part. The other end of the first column passes through the second through hole of the fixed plate, so as to realize the electrical connection between the first column and the fixed plate and the terminal mounting part respectively.
7. The temperature controller according to claim 6, characterized in that, The thermostat also includes a second column, a bent spring sheet, and a switch column. The second column, spring sheet, and switch column are disposed in the second accommodating space. One end of the spring sheet has a third through hole, the other end of the spring sheet has a fourth through hole, and the fixed plate has a fifth through hole. One end of the second column passes through the connecting through hole on another mounting groove and the first through hole of the mounting part of another terminal, and the other end of the second column passes through the third through hole of the spring sheet, so as to realize the electrical connection between the second column and the mounting parts of the spring sheet and the terminal respectively. One end of the switch post passes through the fifth through hole of the fixed plate and is fixedly mounted on the fixed plate. The other end of the switch post moves through the fourth through hole of the spring plate to realize the electrical connection between the switch post and the fixed plate and the spring plate respectively.
8. The temperature controller according to claim 7, characterized in that, The thermostat also includes a waterproof cap, a reset handle and a reset rod. A first reset through hole is provided at the center of the upper surface of the housing, and a second reset through hole and a reset groove are provided on the spring plate. The reset rod moves through the first reset through hole and abuts against the reset groove through the second reset through hole. The reset handle is fitted onto the end of the reset rod furthest from the spring plate, and a waterproof cap covers the reset handle. The contact point between the waterproof cap and the outer shell is filled with potting compound.
9. The temperature controller according to claim 8, characterized in that, The thermostat also includes an expansion disc and a transmission rod. A transmission through hole is provided on the lower surface of the outer casing. An expansion disc is placed in the first accommodating space. The transmission rod moves through the transmission through hole. One side of the transmission rod abuts against the return groove of the spring plate, and the other side of the transmission rod abuts against the expansion disc.
10. A manufacturing process for a temperature controller, characterized in that, include: Use potting compound to fill the gap where the outer shell and the temperature sensing cover meet; Potting compound is used to fill the upper surface of the mounting part of the terminal block. The potting compound passes through the potting hole provided in the terminal block and automatically fills the filling space formed between the mounting part of the terminal block and the mounting groove of the housing. Wait for the potting compound to cure.