CN210467702U

CN210467702U - Temperature controller shell structure

Info

Publication number: CN210467702U
Application number: CN201921885182.XU
Authority: CN
Inventors: 朱彬; 王晓明
Original assignee: Wuxi Runye Electric Appliance Co Ltd
Current assignee: Wuxi Runye Electric Appliance Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-05-05
Anticipated expiration: 2029-11-04

Abstract

The utility model belongs to the technical field of mechanical type temperature controller and specifically relates to a temperature controller shell structure is related to, including metal casing, the last through-hole that supplies the temperature sensing pipe to stretch out that is equipped with of metal casing, the last metal sheet that goes out the perk in the through-hole side of metal casing, the temperature sensing pipe passes from between metal sheet and the metal casing, and the metal sheet is curved form and partly surrounds the temperature sensing pipe, and the temperature sensing pipe caves in metal casing. The utility model discloses have and avoid the downthehole jam of capillary, stop to remove because of the fixed not tight capillary that causes, improved assembly efficiency.

Description

Temperature controller shell structure

Technical Field

The utility model belongs to the technical field of mechanical type temperature controller and specifically relates to a temperature controller shell structure is related to.

Background

The mechanical temperature controller is a pressure type (pneumatic type) temperature controller, and mainly comprises a temperature sensor and a contact type microswitch. The temperature sensor is a closed bag body and mainly comprises a temperature sensing head, a temperature sensing pipe and a temperature sensing cavity, and temperature sensing agents are filled in the temperature sensing pipe. The temperature sensing head is positioned on the surface of the evaporator or in the refrigerator body and is used for sensing the temperature in the refrigerator body.

When the temperature on the surface of the evaporator rises and exceeds the temperature set by the knob of the temperature controller, the pressure of the temperature sensing agent in the temperature sensing pipe is increased, the diaphragm in the temperature sensing cavity presses the transmission support plate under the action of the pressure, so that the contact is connected, the circuit is closed, the compressor starts to operate, and the refrigerator starts to refrigerate. When the temperature on the surface of the evaporator gradually drops to a set value, the pressure of the temperature sensing agent in the temperature sensing pipe drops, the contraction force of the spring is greater than the thrust generated by the temperature sensing cavity to the transmission support plate, the transmission support plate is slightly lifted up under the contraction action of the spring, so that the contact is disconnected, and the compressor stops running along with the transmission support plate.

FIG. 1 is a mechanical temperature controller, which comprises a square ceramic base, a metal casing 1 is covered on the ceramic base, the metal casing 1 and the ceramic base enclose a cavity, an element is installed in the cavity, and a through hole 2 is arranged on the metal casing 1 for a temperature sensing tube to extend out of the cavity. The defects are as follows: pulling on the temperature sensing tube by the user easily causes the temperature sensor located in the cavity to be pulled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a temperature controller shell structure, it has the advantage that can not make the lumen of temperature sensing pipe warp when compressing tightly the temperature sensing pipe.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a temperature controller shell structure, includes metal casing, is equipped with the through-hole that supplies the temperature sensing pipe to stretch out on the metal casing, the metal casing goes up and goes out the metal sheet of perk in the other cutting of through-hole, and the temperature sensing pipe passes between metal sheet and the metal casing, and the metal sheet is crooked form and partly surrounds the temperature sensing pipe, and the temperature sensing pipe caves in the metal casing.

By adopting the technical scheme, the temperature sensing tube is pressed by the metal plate, so that the temperature sensor positioned in the cavity cannot be pulled by pulling the temperature sensing tube, and the influence on the product performance caused by the movement of the capillary tube due to the untight fixation is avoided. Because the temperature sensing pipe can be sunken in the metal casing when being compressed tightly by the metal sheet, and the metal sheet is the bending form moreover and presses on the temperature sensing pipe, and the temperature sensing outside of tubes surface receives the pressure evenly everywhere, so the lumen of temperature sensing pipe is difficult for being pressed the deformation, avoids the capillary hole jam of temperature sensing pipe.

Preferably, the number of the metal plates is two, and the temperature sensing pipe between the through hole and the metal plate and the temperature sensing pipe between the two metal plates form an acute angle.

By adopting the technical scheme, the pressing effect of the two metal plates on the temperature sensing pipe is better, and when the temperature sensing pipe below one metal plate is not flexible, the other metal plate can press the temperature sensing pipe at all. The temperature sensing pipe between the through hole and the metal plate and the temperature sensing pipe between the two metal plates are designed to form an acute angle, so that the temperature sensing pipes below the two metal plates are prevented from being continuously drawn.

Preferably, the temperature sensing tube pressed under the metal plate is sleeved with a plastic tube sleeve.

By adopting the technical scheme, the plastic pipe sleeve has elasticity, the metal plate is directly pressed on the plastic pipe sleeve, and the plastic pipe sleeve plays a role in buffering, so that the pipe cavity of the temperature sensing pipe can be prevented from being pressed and deformed.

Preferably, metal casing is the empty shell form of one side open-ended cuboid, and ceramic base is connected to metal casing's opening side, and ceramic base seals metal casing's opening, is fixed with two on the ceramic base and connects the electric post, and metal casing's side is equipped with the quad slit, and the quad slit supplies two to connect the electric post to stretch out metal casing.

By adopting the technical scheme, the two electric connecting posts extend out of the metal shell, and the elements in the metal shell can be electrified.

Preferably, a first plastic inserting plate and a second plastic inserting plate which are square are arranged in the square hole, the first plastic inserting plate and the second plastic inserting plate close the square hole, and an electric connecting column is clamped between the first plastic inserting plate and the second plastic inserting plate.

Through adopting above-mentioned technical scheme, first plastics picture peg and second plastics picture peg had both had waterproof, dustproof effect, did not influence again and connect the electric post and stretch out metal casing.

Preferably, the second plastic inserting plate is positioned between the first plastic inserting plate and the ceramic base, a protrusion is arranged at the bottom of the first plastic inserting plate, a notch is arranged at the top of the second plastic inserting plate, the protrusion is inserted into the notch in a matching manner, a rectangular gap is defined by the protrusion and the notch, and an electric connecting column is clamped in the rectangular gap; the upper surface of the ceramic base is provided with a caulking groove for embedding another electric connecting column, the upper surface of the electric connecting column embedded in the caulking groove is flush with the upper surface of the ceramic base, and the bottom of the second plastic inserting plate is pressed on the upper surface of the electric connecting column embedded in the caulking groove.

By adopting the technical scheme, the square holes are seamless under the filling of the first plastic inserting plate, the second plastic inserting plate and the two electric connecting posts, and dust and water are prevented from entering the metal shell.

Preferably, the metal casing is rotatably provided with a rotary adjusting rod, a blocking piece is fixed on the side face of the rotary adjusting rod, a blocking rod which is tilted is arranged on the metal casing, and the blocking rod is used for blocking the blocking piece.

By adopting the technical scheme, the depth of the rotary adjusting rod inserted into the metal shell can be adjusted by rotating the rotary adjusting rod, so that the pressure of the rotary adjusting rod on the transmission supporting plate is changed, the stop lever can limit the rotating angle of the rotary adjusting rod, and the situation that the rotary adjusting rod is inserted into the metal shell too deeply and crushes elements is prevented.

Preferably, the metal shell is stamped with a rib protruding outwards.

Through adopting above-mentioned technical scheme, the sand grip can improve metal casing's structural strength, makes metal casing non-deformable after the pressurized.

To sum up, the utility model discloses a beneficial technological effect does:

1. the bent metal plate is pressed on the temperature sensing tube, so that the pressure on the outer surface of the temperature sensing tube is uniform, and the temperature sensing tube can be recessed in the metal shell when being pressed by the metal plate, so that the tube cavity of the temperature sensing tube is not easy to deform under pressure;

2. the plastic pipe sleeve is wrapped outside the temperature sensing pipe, the metal plate is directly pressed on the plastic pipe sleeve, and the pipe cavity of the temperature sensing pipe can be prevented from being pressed and deformed by utilizing the buffering effect of the plastic pipe sleeve;

3. the assembly efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a metal casing of a mechanical thermostat in the background art;

FIG. 2 is a schematic view of a temperature controller casing according to embodiment 1;

FIG. 3 is a schematic view of a thermostat according to embodiment 2;

fig. 4 is a schematic view of the connection of the metal housing and the ceramic base in fig. 3.

In the figure, 1, a metal shell; 2. a through hole; 3. a square hole; 4. a convex strip; 5. a metal plate; 6. a ceramic base; 7. caulking grooves; 8. connecting a power post; 9. a first plastic insert plate; 10. a protrusion; 11. a second plastic insert plate; 12. a recess; 13. a rectangular gap; 14. rotating the adjusting rod; 15. a baffle plate; 16. a stop lever; 17. a plastic pipe sleeve; 18. a temperature sensing tube; 19. a temperature sensing head.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: fig. 2 is the utility model discloses a temperature controller shell structure, including square ceramic base 6, ceramic base 6 is upper shield has metal casing 1, and metal casing 1 encloses into the cavity with ceramic base 6, installation element in the cavity, and metal casing 1 is last to set up through-hole 2 and supplies the temperature sensing pipe to stretch out from the cavity. The metal shell 1 is cut with a tilted metal plate 5 beside the through hole 2, the temperature sensing tube 18 passes through the space between the metal plate 5 and the metal shell 1, the metal plate 5 is bent to semi-surround the temperature sensing tube 18, and the temperature sensing tube 18 is recessed in the metal shell 1.

Example 2: fig. 3 is the utility model discloses a temperature controller shell structure, including ceramic base 6 and metal casing 1, metal casing 1 covers on ceramic base 6, and metal casing 1's inboard and ceramic base 6 enclose into the cavity, installs elements such as temperature sensor, transmission extension board in the cavity. The temperature sensor comprises a temperature sensing head 19, a temperature sensing tube 18 and a temperature sensing cavity (hidden in the metal shell 1), wherein aviation kerosene is arranged in an inner cavity of the temperature sensing head 19, one end of the temperature sensing tube 18 is connected with the temperature sensing head 19, and the other end of the temperature sensing tube is connected with the temperature sensing cavity.

As shown in fig. 3, a rotation adjusting rod 14 is screwed on the metal shell 1, a part of the rotation adjusting rod 14 is located inside the metal shell 1, the other part of the rotation adjusting rod 14 is located outside the metal shell 1, a blocking piece 15 is fixed on the side surface of the rotation adjusting rod 14, a blocking rod 16 which is tilted is arranged on the metal shell 1, and the blocking piece 15 is blocked and stopped by the blocking rod 16 after rotating for a certain angle along with the rotation adjusting rod 14. The rotating adjusting rod 14 is rotated to adjust the depth of the rotating adjusting rod 14 inserted into the metal shell 1, so as to change the pressure of the rotating adjusting rod 14 on the transmission support plate (the tail end of the rotating adjusting rod 14 is pressed on the temperature sensing cavity, and the temperature sensing cavity is pressed on the transmission support plate), while the stop lever 16 can limit the rotating angle of the rotating adjusting rod 14, so as to prevent the rotating adjusting rod 14 from being inserted into the metal shell 1 too deeply and crushing elements. Still stamping has outside convex sand grip 4 on metal casing 1, and sand grip 4 can improve metal casing 1's structural strength, makes metal casing 1 non-deformable after the pressurized.

As shown in fig. 3, the metal shell 1 is in the shape of a square box with an open bottom, the open side of the square box is connected with the ceramic base 6, the ceramic base 6 closes the open bottom of the metal shell 1, and the side of the square box is provided with a through hole 2 for extending the temperature sensing tube 18. Two tilted metal plates 5 are cut out of the metal shell 1 beside the through hole 2, the temperature sensing tube 18 sequentially penetrates through the space between the two metal plates 5 and the metal shell 1, and the temperature sensing tube 18 between the through hole 2 and the metal plate 5 and the temperature sensing tube 18 between the two metal plates 5 form an acute angle (the temperature sensing tube 18 under the two metal plates 5 is prevented from being continuously drawn). The temperature sensing tube 18 is sleeved with a plastic tube sleeve 17, the metal plate 5 is directly pressed on the plastic tube sleeve 17, the metal plate 5 is bent to semi-surround the temperature sensing tube 18, and the temperature sensing tube 18 is sunken in the metal shell 1. The temperature sensing tube 18 can be recessed in the metal shell 1 when pressed by the metal plate 5, and the metal plate 5 is pressed on the temperature sensing tube 18 in a bending shape, so that the pressure on the outer surface of the temperature sensing tube 18 is uniform, and the tube cavity of the temperature sensing tube 18 is not easily deformed by pressing.

As shown in figure 4, two electric connecting columns 8 are fixed on the ceramic base 6, square holes 3 are formed in the side faces of the metal shell 1, and the square holes 3 are used for the two electric connecting columns 8 to extend out of the metal shell 1. A first plastic inserting plate 9 and a second plastic inserting plate 11 which are square are arranged in the square hole 3, the second plastic inserting plate 11 is located between the first plastic inserting plate 9 and the ceramic base 6, a protrusion 10 is arranged at the bottom of the first plastic inserting plate 9, a notch 12 is arranged at the top of the second plastic inserting plate 11, the protrusion 10 is inserted into the notch 12 in a matching mode, a rectangular gap 13 is formed by the protrusion 10 and the notch 12 in a surrounding mode, and one power connection post 8 is clamped in the rectangular gap 13. The upper surface of the ceramic base 6 is provided with a caulking groove 7 for embedding another electric connecting post 8, the upper surface of the electric connecting post 8 embedded in the caulking groove 7 is flush with the upper surface of the ceramic base 6, and the bottom of the second plastic inserting plate 11 is pressed on the upper surface of the electric connecting post 8 in the caulking groove 7. The first plastic inserting plate 9, the second plastic inserting plate 11 and the two electric connecting posts 8 jointly close the square hole 3, so that dust and water are prevented from entering the metal shell 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a temperature controller shell structure, includes metal casing (1), is equipped with through-hole (2) that supply temperature sensing pipe (18) to stretch out on metal casing (1), its characterized in that: the metal shell (1) is provided with a metal plate (5) which is arranged beside the through hole (2) in a cutting mode and is tilted, the temperature sensing pipe (18) penetrates through the metal plate (5) and the metal shell (1), the metal plate (5) is bent to semi-surround the temperature sensing pipe (18), and the temperature sensing pipe (18) is sunken in the metal shell (1).

2. The thermostat housing structure of claim 1, wherein: the number of the metal plates (5) is two, and the temperature sensing tube (18) between the through hole (2) and the metal plate (5) and the temperature sensing tube (18) between the two metal plates (5) form an acute angle.

3. The thermostat housing structure of claim 2, wherein: a plastic pipe sleeve (17) is sleeved outside the temperature sensing pipe (18) pressed below the metal plate (5).

4. The thermostat housing structure of claim 1, wherein: metal casing (1) is the empty shell form of one side open-ended cuboid, and ceramic base (6) are connected to the opening side of metal casing (1), and ceramic base (6) seal the opening of metal casing (1), are fixed with two on ceramic base (6) and connect electric post (8), and the side of metal casing (1) is equipped with quad slit (3), and quad slit (3) supply two to connect electric post (8) to stretch out metal casing (1).

5. The thermostat housing structure of claim 4, wherein: be equipped with in quad slit (3) and be square first plastics picture peg (9) and second plastics picture peg (11), first plastics picture peg (9) and second plastics picture peg (11) seal quad slit (3), press from both sides between first plastics picture peg (9) and second plastics picture peg (11) and connect electric post (8).

6. The thermostat housing structure of claim 5, wherein: the second plastic inserting plate (11) is positioned between the first plastic inserting plate (9) and the ceramic base (6), a protrusion (10) is arranged at the bottom of the first plastic inserting plate (9), a notch (12) is arranged at the top of the second plastic inserting plate (11), the protrusion (10) is inserted into the notch (12) in a matching mode, a rectangular gap (13) is formed by the protrusion (10) and the notch (12) in a surrounding mode, and an electric connecting column (8) is clamped in the rectangular gap (13); the upper surface of the ceramic base (6) is provided with a caulking groove (7) for embedding another electric connecting column (8), the upper surface of the electric connecting column (8) embedded in the caulking groove (7) is flush with the upper surface of the ceramic base (6), and the bottom of the second plastic inserting plate (11) is pressed on the upper surface of the electric connecting column (8) in the caulking groove (7).

7. The thermostat housing structure of claim 1, wherein: the metal shell (1) is provided with a rotary adjusting rod (14) in a rotating mode, a blocking piece (15) is fixed to the side face of the rotary adjusting rod (14), a blocking rod (16) which is tilted is arranged on the metal shell (1), and the blocking rod (16) is used for blocking the blocking piece (15).

8. The thermostat housing structure of claim 1, wherein: convex strips (4) protruding outwards are stamped on the metal shell (1).