Temperature switch

Abstract

The present invention discloses a temperature control switch, including a support, a wiring structure, a shell and a connection structure, wherein an aluminum cover is provided at the top of the shell, and a connection structure is provided between the aluminum cover and the shell, spiral reinforcement ribs are evenly provided inside the aluminum cover, a support is installed at the bottom end inside the shell, and first and second terminals are installed on both sides of the bottom end of the support. The present invention is provided with an insulating shell between the first terminal and the second terminal and the shell, the bottom end of the insulating shell is connected to a connection seat, a heat seal is provided below the connection seat, the bottom end of the heat seal is connected to a connection sleeve, the bottom end of the heat seal is connected to a connection sleeve, the bottom ends of the first terminal and the second terminal successively penetrate the connection seat, the heat seal and the interior of the connection sleeve, when wiring, the external wires are connected to the first terminal and the second terminal respectively, and then the heat seal is heated, the heat seal shrinks due to the heat, and the connection between the wire and the first terminal and the second terminal is sealed.

Description

Technical Field

[0001] The invention relates to the technical field of switches, in particular to a temperature controlled switch. Background Art

[0002] Temperature control switch is a common switch element. It can produce some special effects by physically deforming inside the switch according to the temperature change of the working environment, and thus produce a series of automatic control elements for conducting or disconnecting actions. However, the existing temperature control switch still has many problems or defects:

[0003] First, the traditional temperature control switch has poor sealing performance, and the wiring connection is not well protected and sealed;

[0004] Second, the traditional temperature control switch is not easy to disassemble and install, and it is not easy to inspect the inside;

[0005] Third, traditional temperature control switches have poor waterproof performance and do not have the function of overload melting point. Summary of the invention

[0006] The object of the present invention is to provide a temperature control switch to solve the problems of poor sealing, inconvenient disassembly and installation, and poor waterproof performance mentioned in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a temperature control switch, comprising a support, a wiring structure, a shell and a connecting structure, an aluminum cover is provided at the top of the shell, and a connecting structure is provided between the aluminum cover and the shell, spiral reinforcement ribs are evenly provided inside the aluminum cover, a support is installed at the bottom end inside the shell, and a first terminal and a second terminal are installed on both sides of the bottom end of the support respectively, a wiring structure is provided between the first terminal and the second terminal and the shell, a fusible copper wire is provided inside the first terminal and the second terminal, a first through-core rivet is penetrated on one side inside the support, and a static contact is connected to the top of one side of the first through-core rivet, a second through-core rivet is penetrated on the other side inside the support, and a moving contact is connected to the top of the second through-core rivet, a limit plate is laterally fixed at the top end inside the shell, and a butterfly-shaped bimetallic strip is installed on the top end of the limit plate, and a push rod is installed between the butterfly-shaped bimetallic strip and the limit plate.

[0008] Preferably, the stationary contact piece and the moving contact piece are both provided with contact points, and the contact points on the stationary contact piece and the moving contact piece are in the same vertical plane.

[0009] Preferably, an insulating shell, a sealing sheet, water-absorbing particles, a connecting seat, a connecting sleeve and a heat-sealing sleeve are sequentially arranged inside the wiring structure; an insulating shell is arranged between the first terminal and the second terminal and the shell body; the bottom end of the insulating shell is connected to the connecting seat; a heat-sealing sleeve is arranged below the connecting seat; the bottom end of the heat-sealing sleeve is connected to the connecting sleeve; the insulating shell outside the first terminal and the second terminal is evenly filled with water-absorbing particles; the bottom ends of the first terminal and the second terminal pass through the interior of the connecting seat, the heat-sealing sleeve and the connecting sleeve in sequence.

[0010] Preferably, external threads are evenly arranged on the outer side wall of the connection seat, internal threads matching with the external threads are evenly arranged on the inner side wall of the heat sealing sleeve, and the heat sealing sleeve and the connection seat are threadedly connected.

[0011] Preferably, a sealing sheet is provided at the connection between the insulating shell and the shell, the sealing sheet is made of rubber, and the sealing sheet and the shell are adhesively connected.

[0012] Preferably, mounting plates are fixed on both sides of the shell, and the mounting plates are symmetrically distributed about the vertical center line of the shell, and the mounting plates and the shell form a welded integrated structure.

[0013] Preferably, the interior of the connection structure is provided with a mounting block, a clamping block, a clamping slot and an assembly bolt in sequence, the mounting blocks are hinged to the two sides of the aluminum cover respectively, the inner side of the mounting blocks are fixed with clamping blocks, the mounting blocks and the clamping blocks are provided with assembly bolts, and the clamping slots are respectively provided at the top ends of the two sides of the shell.

[0014] Preferably, the width of the interior of the card slot is greater than the width of the exterior of the card block, and the mounting block forms a card-fitting structure between the card block and the card slot.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the temperature control switch has a reasonable structure and has the following advantages:

[0016] (1) An insulating shell is provided between the first terminal and the second terminal and the housing, the bottom ends of the insulating shell are connected to a connection seat, a heat seal is provided below the connection seat, the bottom end of the heat seal is connected to the connection sleeve, the bottom ends of the first terminal and the second terminal pass through the connection seat, the heat seal and the connection sleeve in sequence, when wiring, the external wires are connected to the first terminal and the second terminal respectively, then the heat seal is heated, the heat seal shrinks due to the heat, and the connection between the wire and the first terminal and the second terminal is sealed;

[0017] (2) The mounting blocks are hinged to the two sides of the aluminum cover, and the inner sides of the mounting blocks are fixed with clamping blocks. Assembly bolts are arranged inside the mounting blocks and the clamping blocks. Clamping slots are arranged at the tops of the two sides of the shell. The assembly bolts are opened and the clamping blocks are removed from the inside of the clamping slots, so that the aluminum cover is easy to disassemble and install, and maintenance is more convenient.

[0018] (3) Spiral reinforcing ribs are evenly arranged inside the aluminum cover to increase the strength of the internal structure of the aluminum cover. At the same time, water-absorbing particles are evenly filled in the insulating shell outside the first terminal and the second terminal to increase the waterproof performance of the product. Fusible copper wires are also arranged inside the first terminal and the second terminal. When overloaded, the fusible copper wires melt to increase safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front cross-sectional structural schematic diagram of the present invention;

[0020] Figure 2 It is a schematic diagram of the front cross-sectional structure of the aluminum cover of the present invention;

[0021] Figure 3 It is a front view structural schematic diagram of the connection structure of the present invention;

[0022] Figure 4 It is a front view structural schematic diagram of the connecting sleeve and the connecting seat of the present invention.

[0023] In the figure: 1. static contact piece; 2. contact point; 3. mounting piece; 4. first through-core rivet; 5. support; 6. wiring structure; 601. insulating shell; 602. sealing piece; 603. water-absorbing particles; 604. connecting seat; 605. heat sealing sleeve; 606. connecting sleeve; 7. first terminal; 8. second terminal; 9. second through-core rivet; 10. moving contact piece; 11. shell; 12. connecting structure; 1201. mounting block; 1202. clamping block; 1203. clamping slot; 1204. assembly bolt; 13. aluminum cover; 14. butterfly bimetallic sheet; 15. push rod; 16. limit plate; 17. spiral reinforcement rib; 18. fusible copper wire. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-4 , an embodiment of the present invention: a temperature control switch, comprising a support 5, a wiring structure 6, a housing 11 and a connecting structure 12, mounting pieces 3 are fixed on both sides of the housing 11, and the mounting pieces 3 are symmetrically distributed about the vertical center line of the housing 11, and the mounting pieces 3 and the housing 11 are welded into an integrated structure;

[0026] An aluminum cover 13 is disposed at the top of the housing 11, and a connecting structure 12 is disposed between the aluminum cover 13 and the housing 11;

[0027] The connection structure 12 is provided with a mounting block 1201, a clamping block 1202, a clamping slot 1203 and an assembly bolt 1204 in sequence. The mounting block 1201 is hinged to both sides of the aluminum cover 13, and the clamping block 1202 is fixed to the inner side of the mounting block 1201. The mounting block 1201 and the clamping block 1202 are provided with assembly bolts 1204. The clamping slots 1203 are provided at the top of both sides of the housing 11.

[0028] The width of the slot 1203 is greater than the width of the block 1202. The mounting block 1201 forms a snap-fit ​​structure between the block 1202 and the slot 1203.

[0029] Open the assembly bolts 1204 and remove the block 1202 from the slot 1203, so that the aluminum cover 13 is easy to disassemble and install, and maintenance is more convenient;

[0030] The inside of the aluminum cover 13 is evenly provided with spiral reinforcement ribs 17, the bottom end of the shell 11 is installed with a support 5, and the first terminal 7 and the second terminal 8 are installed on both sides of the bottom end of the support 5, and a wiring structure 6 is provided between the first terminal 7 and the second terminal 8 and the shell 11;

[0031] The wiring structure 6 is provided with an insulating shell 601, a sealing sheet 602, water-absorbing particles 603, a connection seat 604, a connection sleeve 606 and a heat-sealing sleeve 605 in sequence inside. The insulating shell 601 is provided between the first terminal 7 and the second terminal 8 and the housing 11. The bottom end of the insulating shell 601 is connected to the connection seat 604. A heat-sealing sleeve 605 is provided below the connection seat 604. The bottom end of the heat-sealing sleeve 605 is connected to the connection sleeve 606. The insulating shell 601 outside the first terminal 7 and the second terminal 8 is evenly filled with water-absorbing particles 603. The bottom ends of the first terminal 7 and the second terminal 8 pass through the connection seat 604, the heat-sealing sleeve 605 and the connection sleeve 606 in sequence.

[0032] The connection between the insulating shell 601 and the housing 11 is provided with a sealing sheet 602, the sealing sheet 602 is made of rubber, and the sealing sheet 602 and the housing 11 are connected by adhesive;

[0033] External threads are evenly arranged on the outer wall of the connection seat 604, and internal threads that cooperate with the external threads are evenly arranged on the inner wall of the heat sealing sleeve 605. The heat sealing sleeve 605 and the connection seat 604 are connected by threads.

[0034] When wiring, the external wires are connected to the first terminal 7 and the second terminal 8 respectively, and then the heat seal 605 is heated, and the heat seal 605 shrinks due to the heat, so as to seal the connection between the wires and the first terminal 7 and the second terminal 8;

[0035] The first terminal 7 and the second terminal 8 are both provided with a fusible copper wire 18, a first through-core rivet 4 is passed through one side of the support 5, and a static contact piece 1 is connected to the top end of one side of the first through-core rivet 4;

[0036] The static contact piece 1 and the moving contact piece 10 are both provided with contact points 2, and the contact points 2 on the static contact piece 1 and the moving contact piece 10 are in the same vertical plane, ensuring that the two contact points 2 can be accurately contacted;

[0037] A second through-core rivet 9 passes through the other side of the support 5, and the top of the second through-core rivet 9 is connected to a moving contact piece 10. A limit plate 16 is laterally fixed to the top of the shell 11, and a butterfly-shaped bimetallic strip 14 is installed on the top of the limit plate 16. A push rod 15 is installed between the butterfly-shaped bimetallic strip 14 and the limit plate 16.

[0038] Working principle: When in use, connect the external wires to the first terminal 7 and the second terminal 8 respectively, then heat the heat seal 605, the heat seal 605 shrinks due to the heat, and the connection between the wires and the first terminal 7 and the second terminal 8 is sealed, and the inside of the aluminum cover 13 is evenly provided with spiral reinforcement ribs 17 to increase the strength of the internal structure of the aluminum cover 13, and at the same time, the insulating shell 601 outside the first terminal 7 and the second terminal 8 is evenly filled with water-absorbing particles 603 to increase the waterproof performance of the product, and the inside of the first terminal 7 and the second terminal 8 is provided with fusible copper wire 18. When overloaded, the fusible copper wire 18 melts to increase safety, and when the inside of the shell 11 needs to be repaired, open the assembly bolts 1204 and remove the block 1202 from the inside of the slot 1203, so that the aluminum cover 13 is easy to disassemble and install, and maintenance is more convenient.

[0039] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A temperature control switch, comprising a support (5), a wiring structure (6), a housing (11) and a connecting structure (12), characterized in that: An aluminum cover (13) is provided at the top of the shell (11), and a connecting structure (12) is provided between the aluminum cover (13) and the shell (11); spiral reinforcing ribs (17) are evenly provided inside the aluminum cover (13); a support (5) is installed at the bottom of the shell (11), and a first terminal (7) and a second terminal (8) are installed on both sides of the bottom of the support (5); a wiring structure (6) is provided between the first terminal (7) and the second terminal (8) and the shell (11); a fusible copper wire (18) is provided inside the first terminal (7) and the second terminal (8); and a first through-core rivet is passed through one side of the support (5). (4), and the top of one side of the first through-core rivet (4) is connected to a stationary contact piece (1), the other side of the support (5) is penetrated by a second through-core rivet (9), and the top of the second through-core rivet (9) is connected to a moving contact piece (10), the top of the inside of the housing (11) is transversely fixed with a limit plate (16), and the top of the limit plate (16) is installed with a butterfly-shaped bimetallic strip (14), and a push rod (15) is installed between the butterfly-shaped bimetallic strip (14) and the limit plate (16), and the inside of the wiring structure (6) is provided with an insulating shell (601), a sealing sheet (602), water-absorbing particles (603), a connecting seat (604), a connecting sleeve (606) and a heat-sealing The insulating shell (601) is provided between the first terminal (7) and the second terminal (8) and the housing (11); the bottom ends of the insulating shells (601) are connected to the connecting seat (604); a heat sealing sleeve (605) is provided below the connecting seat (604); the bottom ends of the heat sealing sleeves (605) are connected to the connecting sleeve (606); the insulating shells (601) outside the first terminal (7) and the second terminal (8) are uniformly filled with water-absorbing particles (603); the bottom ends of the first terminal (7) and the second terminal (8) pass through the inside of the connecting seat (604), the heat sealing sleeve (605) and the connecting sleeve (606) in sequence; the insulating shells (601) and the housing (11) are connected to the connecting seat (604); the heat sealing sleeve (605) and the connecting sleeve (606) are connected to the connecting seat (604); ... The connection points of the housing (11) are all provided with sealing sheets (602), the sealing sheets (602) are made of rubber, and the sealing sheets (602) and the housing (11) are connected by adhesive. The interior of the connection structure (12) is provided with a mounting block (1201), a clamping block (1202), a clamping groove (1203) and an assembly bolt (1204) in sequence. The mounting blocks (1201) are respectively hinged to the two sides of the aluminum cover (13), the inner side of the mounting blocks (1201) is fixed with a clamping block (1202), the interior of the mounting blocks (1201) and the clamping blocks (1202) are provided with assembly bolts (1204), and the clamping grooves (1203) are respectively provided at the top ends of the two sides of the housing (11).

2. The temperature control switch according to claim 1, characterized in that: The stationary contact piece (1) and the moving contact piece (10) are both provided with contact points (2), and the contact points (2) on the stationary contact piece (1) and the moving contact piece (10) are located in the same vertical plane.

3. The temperature control switch according to claim 1, characterized in that: External threads are evenly arranged on the outer wall of the connection seat (604), and internal threads that cooperate with the external threads are evenly arranged on the inner wall of the heat sealing sleeve (605), and the heat sealing sleeve (605) and the connection seat (604) are connected by threads.

4. The temperature control switch according to claim 1, characterized in that: Mounting plates (3) are fixed on both sides of the shell (11), and the mounting plates (3) are symmetrically distributed about the vertical center line of the shell (11), and the mounting plates (3) and the shell (11) form a welded integrated structure.

5. The temperature control switch according to claim 1, characterized in that: The width of the interior of the card slot (1203) is greater than the width of the exterior of the card block (1202), and the mounting block (1201) forms a card-engaging structure between the card block (1202) and the card slot (1203).

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