CN210575728U - Connection structure of liquid expanding temperature controller - Google Patents

Abstract

The utility model discloses a connection structure of liquid expanding temperature controller, belong to the temperature controller field, the on-line screen storage device comprises a base, the cover is established on the base and is dismantled the shell of being connected with the base, the temperature controller body of setting in the base, be equipped with the connecting box on the shell, be equipped with the opening on the lateral wall of connecting box and shell laminating, it is equipped with the breach to correspond the open-ended position on the shell, the internal fixed surface of the relative lateral wall of connecting box and opening is connected with the pressure spring, the pressure spring is close to open-ended one end fixedly connected with connecting block, the both sides wall fixedly connected with slide bar of connecting block horizontal direction, the horizontal inside wall of connecting box is equipped with the spout, slide bar and spout cooperation, wear to be equipped with the carriage release lever in the pressure spring, carriage release lever one. The utility model discloses a carriage release lever and pressure spring cooperation insert the recess with the connecting block or extract from the recess, reach easy to assemble and dismantle the effect of shell.

Description

Connection structure of liquid expanding temperature controller

Technical Field

The utility model relates to a temperature controller field, in particular to connection structure of liquid expanding temperature controller.

Background

The temperature controller is a series of automatic control elements which are physically deformed in a switch according to the temperature change of a working environment, thereby generating certain special effects and generating on or off actions.

The liquid expansion type temperature controller mainly comprises a power element temperature sensing part (generally comprising a diaphragm capsule, a diaphragm capsule base plate, a push rod, a circular snap spring, a capillary tube, a sleeve, a temperature sensing cylinder and a tail tube), a temperature setting main body part (generally comprising a fixing plate, an adjusting shaft, an adjusting nut, a steel ball, an insulating plate, a bracket, a limiting piece, a plate spring and a shell), an electrical switch part (generally comprising an external terminal, a base, a static contact, a moving contact, a spring seat, a moving contact, a static contact, a connecting screw and a spring washer). The liquid expansion type temperature controller is widely used for electronic elements in various household appliances such as electric water heaters, electric ovens, electric water heaters and other electric heating appliance products, and is characterized in that a power assembly formed by welding bellows, capillary tubes, a temperature sensing cylinder or a temperature sensing bag part is filled with liquid working medium through the working principle of expansion with heat and contraction with cold, the physical characteristics of expansion with heat and contraction with cold of the liquid are utilized, when the temperature sensing cylinder or the temperature sensing bag senses the change of external temperature, the change of the volume of the filled working medium is converted into the change of pressure or volume of a closed space to enable a diaphragm of the bellows to generate displacement, when a set value is reached, a mechanism consisting of a diaphragm handle, a diaphragm box seat plate and a push rod pushes a quick instantaneous switch consisting of elastic elements to generate on-off action, when the temperature rises, the switch action is disconnected, and when the temperature is reduced, the.

The liquid expansion temperature controller has high temperature control precision, can continuously sense the temperature of a hot surface for a long distance, has high sensitivity, can quickly react with the temperature change of the temperature sensing cylinder, and has high contact action speed and small on-off temperature difference. Simple structure, stable and reliable performance and long service life. The matching design is flexible, and specifications such as various switch configurations, temperature sensing cylinders, capillary tubes, adjusting shaft length, outer diameter and the like can be provided. The installation form is various, has characteristics such as multiple installation fixed mode and wiring terminal type.

In the prior art, the temperature setting main body part and the electric switch part are arranged on the base, the shell is arranged on the base and is connected with the base through bolts, when the internal parts of the temperature controller are damaged, the shell needs to be detached and installed by using tools, and the operation is relatively troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a connection structure of liquid expanding temperature controller has the advantage of convenient dismantlement and installation shell.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a connection structure of liquid expanding temperature controller, establishes on the base and dismantles the shell of being connected with the base including base, the cover that is used for placing temperature controller body, the base is box-like, the double-phase lateral wall of shell is equipped with the connecting box, be equipped with the opening on the lateral wall of connecting box and shell laminating, it is equipped with the breach the same size with the opening to correspond the open-ended position on the shell, be equipped with the connecting block in the connecting box, open-ended one side is kept away from to the connecting block is equipped with the carriage release lever, the carriage release lever runs through the lateral wall of connecting box and extends to the outside of connecting box, the cover is equipped with the pressure spring on the carriage release lever, the one end and the connecting block of pressure spring are connected, the other end and the inner wall fixed connection.

By adopting the technical scheme, when the shell is required to be installed on the base, the movable rod is pulled to enable the connecting block to enter the connecting box, the shell is sleeved on the base, the connecting rod is loosened, and the connecting block is embedded into the groove under the action of the pressure spring, so that the installation can be realized, and the effect of conveniently installing the shell is achieved; when the shell is required to be detached from the base, the movable rod is pulled to enable the connecting block to enter the connecting box, and the shell is taken down from the base, so that the shell is conveniently detached.

Furthermore, the edge of the connecting block, which is far away from the side face of the pressure spring, is provided with an arc chamfer.

Through adopting above-mentioned technical scheme, the setting of circular arc chamfer can play the effect that makes things convenient for the connecting block to insert in the recess.

Furthermore, slide bars are arranged on two horizontal planes of the connecting block, sliding grooves are formed in the side walls of the two horizontal planes of the connecting box, the slide bars are vertically arranged, and one ends, far away from the connecting block, of the slide bars are inserted into the sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, slide bar and spout cooperation play support and spacing guide effect to the connecting block, can make things convenient for the removal of connecting block, and can prevent that the connecting block from taking place crooked at the removal in-process.

Furthermore, the side face, far away from the pressure spring, of the connecting block is provided with a plurality of limiting columns, limiting grooves are formed in the grooves, and the limiting columns are in plug-in fit with the limiting grooves.

By adopting the technical scheme, the limiting effect on the connecting block can be achieved by matching the limiting column with the limiting groove, the connecting block is prevented from shaking in the groove, and the connecting stability of the shell and the base is improved; meanwhile, in the process of detaching the connecting block into the groove, the limiting column can also play a role in guiding.

Furthermore, the end part of the limiting column, which is far away from the connecting block, is designed to be an arc surface.

Through adopting above-mentioned technical scheme, the arc surface can play the effect that makes things convenient for spacing post to insert the spacing inslot.

Further, fixedly connected with ball on the side of pressure spring is kept away from to the connecting block, the ball is embedded into the inside and surface of protruding connecting block of connecting block, be equipped with the circular slot in the recess, the cooperation is pegged graft with the circular slot to the part that the ball protrudes the connecting block surface.

Through adopting above-mentioned technical scheme, ball and circular slot cooperation play spacing effect to the connecting block, prevent that the connecting block from rocking in the recess, mention the stability that shell and base are connected.

Further, be equipped with the slide on the notched lateral wall is established to the base, the vertical setting of slide, slide and recess intercommunication, the cross-section of slide is the arc surface, the degree of depth of slide is less than the length of ball protrusion connecting block, the ball is contradicted with the slide.

Through adopting above-mentioned technical scheme, when installation or dismantlement shell, the pulling carriage release lever removes the shell, makes the ball get into the slide, loosens the carriage release lever, makes the ball contradict with the slide inner wall, then removes the shell and can accomplish dismantlement or installation, does not need operating personnel to stimulate the carriage release lever with the hand always, reaches easy to assemble and dismantles the effect of shell to the slide can also play certain direction effect.

Furthermore, a rubber layer is arranged on the surface of one side, close to the opening, of the sliding rod.

Through adopting above-mentioned technical scheme, when the installation or when dismantling the shell, loosen the carriage release back, under the effect of pressure spring, the slide bar can collide with the joint box lateral wall, and the rubber layer can play the buffering effect, reaches the purpose of protection slide bar and joint box.

Furthermore, one end of the moving rod, which is far away from the connecting block, is provided with a pull ring.

Through adopting above-mentioned technical scheme, the pull ring makes things convenient for operating personnel to spur the carriage release lever to conveniently carry out the dismantlement and the installation operation of shell.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the connecting box, the connecting block and the groove, and the pressure spring and the moving rod, the effect of conveniently disassembling and assembling the shell can be achieved;

2. through the arrangement of the limiting columns and the limiting grooves, the effect of preventing the connecting block from shaking in the groove and improving the stability of the connection between the shell and the base can be achieved;

3. through the arrangement of the slide way and the ball, the moving rod does not need to be pulled all the time when the shell is installed and disassembled, so that the effect of facilitating installation and disassembling the shell is achieved.

Drawings

Fig. 1 is a schematic view of an overall structure of a connection structure for embodying a liquid-expansion thermostat in embodiment 1;

FIG. 2 is a schematic view showing a groove and a limiting groove structure in embodiment 1;

FIG. 3 is a schematic view for embodying the junction box and its internal structure in embodiment 1;

FIG. 4 is a schematic structural view for showing the connection relationship between the connection box and the housing in embodiment 1;

FIG. 5 is a schematic view showing the structure of the circular groove and the slide way in embodiment 2;

fig. 6 is a schematic diagram showing the structure of the sphere and the connecting block in embodiment 2.

In the figure, 1, a base; 2. a housing; 3. a connecting box; 4. an opening; 5. a pressure spring; 6. connecting blocks; 7. a slide bar; 8. a chute; 9. a travel bar; 10. a groove; 11. chamfering with an arc; 12. a limiting column; 13. a limiting groove; 14. a circular arc surface; 15. a ball; 16. a circular groove; 17. a slideway; 18. a rubber layer; 19. a pull ring; 20. and (4) a notch.

Detailed Description

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

Example 1: a connecting structure of a liquid expansion type temperature controller is shown in figures 1 to 3 and comprises a base 1 for placing a temperature controller body and a shell 2 which is sleeved on the base 1 and is detachably connected with the base 1. The base 1 is box-like, open-top 4, and the lateral wall is enough thick, and 2 covers of shell are established on base 1, and the double-phase relative vertical lateral wall of shell 2 is welded outward and is equipped with connecting box 3, and connecting box 3 is the rectangle, and its surface of laminating with shell 2 has seted up opening 4, and opening 4's size is less than the size of its place lateral wall, and the position that corresponds opening 4 on the shell 2 has seted up the breach 20 (refer to fig. 4) with opening 4 equidimension. The moving rod 9 penetrates through the side wall, opposite to the opening, of the connecting box 3, one end, far away from the opening 4, of the moving rod 9 extends to the outer side of the connecting box 3, one end, close to the opening 4, of the moving rod 9 is fixedly connected with a rectangular connecting block 6, and the plain size, parallel to the opening, of the connecting block 6 is smaller than the size of the opening 4. In addition, a pressure spring 5 is sleeved on the movable rod 9, one end of the pressure spring 5 is fixedly connected to the connecting block 6, and the other end of the pressure spring 5 is fixedly connected to the inner wall of the connecting box 3. When the moving rod 9 is pulled, the connecting block 6 can move along with the moving rod 9, and when the hand is released, the connecting block 6 moves towards the opening 4 under the action of the pressure spring 5. The base 1 is provided with a groove 10 for inserting the connecting block 6.

As shown in fig. 3 and 4, when the compression spring 5 is in a natural state, the connecting block 6 extends out of the connecting box 3 from the opening 4; when the shell 2 needs to be installed on the base 1, the movable rod 9 is pulled in the direction away from the opening 4, the connecting block 6 enters the connecting box 3, the state at the moment is kept, the shell 2 is sleeved on the base 1, the shell 2 is moved downwards until the shell cannot move continuously, the movable rod 9 is loosened, and under the action of the pressure spring 5, the connecting block 6 sequentially penetrates through the opening 4 and the notch 20 and is embedded into the groove 10, so that the installation of the shell 2 and the base 1 is realized; when the shell 2 needs to be disassembled, the moving rod 9 is pulled, the connecting block 6 is moved out of the groove 10, the shell 2 is moved upwards, and the shell 2 can be disassembled, so that the operation is simple and convenient.

As shown in fig. 3, when the housing 2 is mounted, in order to facilitate the insertion of the connection block 6 into the groove 10, an arc chamfer 11 is provided at an edge of the side of the connection block 6 remote from the compression spring 5.

As shown in fig. 3, the welding is equipped with slide bar 7 on two horizontal planes of connecting block 6, slide bar 7 is the cuboid, spout 8 has been seted up on the horizontal lateral wall of connecting box 3, slide bar 7 inserts in spout 8 and can slide in spout 8, when pulling carriage release lever 9 drives connecting block 6 and removes, slide bar 7 and the cooperation of spout 8, play the guide effect to the removal of connecting block 6, prevent that carriage release lever 9 from taking place crooked, and slide bar 7 can also play the supporting role to connecting block 6, reach the effect that makes things convenient for connecting block 6 to remove.

As shown in fig. 3, after the connecting block 6 enters the groove 10, the connecting block may shake in the groove 10, so that the housing 2 shakes on the base 1, in order to avoid the above problem, four limiting posts 12 are arranged on the side surface of the connecting block 6 away from the pressure spring 5, the limiting posts 12 are respectively located at four corners of the surface of the connecting block 6, a limiting groove 13 (refer to fig. 2) matched with the limiting posts 12 is arranged in the groove 10 corresponding to the limiting posts 12, when the connecting block 6 enters the groove 10, the limiting posts 12 enter the limiting grooves 13, so that a limiting effect on the limiting blocks is achieved, and an effect of improving the stability of the connection between the housing 2 and the base 1 is achieved; meanwhile, in the process that the connecting block 6 enters the groove 10, the limiting column 12 can also play a role in guiding the connecting block. In addition, one end of the limiting column 12, which is far away from the compression spring 5, is provided with an arc surface 14, so that the limiting column 12 can be conveniently inserted into the limiting groove 13.

As shown in fig. 3, when the housing 2 is mounted and dismounted, and when an operator loosens the movable rod 9, the connecting block 6 moves towards the opening 4 under the action of the pressure spring 5, and finally the sliding rod 7 collides with the inner wall of the connecting box 3, so that the sliding rod 7 and the connecting box 3 are easily damaged, therefore, a rubber layer 18 is sleeved on the surface of the sliding rod 7, and the rubber layer 18 can play a role in buffering, so that the effect of protecting the sliding rod 7 and the connecting box 3 is achieved.

As shown in fig. 3, a pull ring 19 is disposed at one end of the moving rod 9 far from the connecting block 6, and the existence of the pull ring 19 can facilitate an operator to pull the moving rod 9, so as to more conveniently mount and dismount the housing 2.

The specific implementation process comprises the following steps:

when installing shell 2 to base 1 on, at first to the direction pulling pull ring 19 of keeping away from opening 4, make carriage release lever 9 drive connecting block 6 to the direction motion of keeping away from opening 4, enter into connecting box 3 completely up to connecting block 6, then with shell 2 cover to base 1 on, move shell 2 downwards until unable continuation movement, loosen pull ring 19 this moment, under the effect of the 5 elasticity of pressure spring, connecting block 6 is to opening 4 direction motion, and finally enter into in the recess 10, thereby accomplish being connected of shell 2 and base 1.

When the shell 2 is detached from the base 1, the pull ring 19 is pulled in a direction away from the opening 4 to separate the connecting block 6 from the groove 10 and completely enter the connecting box 3, and then the shell 2 is moved upwards until the shell 2 is completely separated from the base 1, so that the shell 2 is detached.

Example 2: the utility model provides a connection structure of liquid expanding temperature controller, with embodiment 1's difference lies in, as shown in fig. 5 and fig. 6, fixedly connected with ball 15 on the side of pressure spring 5 is kept away from to connecting block 6, ball 15 is located the intermediate position of its place side, half of ball 15 is embedded into in connecting block 6, the circular slot 16 that matches with the 6 surface part of ball 15 protrusion connecting block is seted up to the part that corresponds ball 15 in the recess 10, when connecting block 6 enters into recess 10, ball 15 is pegged graft and is entered into circular slot 16 in, play limiting displacement to connecting block 6, reach the effect that improves the stability that shell 2 and base 1 are connected.

As shown in fig. 5, a slideway 17 is provided on the side wall of the base 1 provided with the groove 10, the slideway 17 is vertically arranged and communicated with the groove 10, the slideway 17 is located at the middle position of the groove 10, the cross section of the slideway 17 is an arc surface, and the depth of the slideway 17 is smaller than the length of the round ball 15 protruding out of the surface of the connecting block 6, so that when the round ball 15 abuts against the slideway 17, a gap is left between the connecting block 6 and the side wall of the base 1. When the shell 2 is mounted or dismounted, the moving rod 9 is pulled firstly, the shell 2 is moved to enable the round ball 15 to enter the slide way 17 and abut against the slide way 17, and then the shell 2 is moved, so that the mounting or dismounting can be completed. Through the setting of ball 15 and slide 17, when installation and dismantlement shell 2, operating personnel need not pull the carriage release lever 9 with the hand all the time, but make ball 15 contradict and slide on the slide 17 inner wall, reach easy to assemble and dismantle the effect of shell 2. In addition, the slideway 17 can also play a role in guiding and preventing the shell 2 from being inclined in the installation process.

The specific implementation process comprises the following steps:

when installing shell 2 to base 1 on, at first pulling pull ring 19 makes the carriage release lever 9 drive connecting block 6 to keeping away from the direction removal of opening 4, until connecting block 6 and ball 15 get into in the connecting box 3, then overlap shell 2 on base 1, loosen pull ring 19, under the effect of pressure spring 5, ball 15 imbeds in slide 17, then moves shell 2 downwards, until connecting block 6 imbeds in recess 10, accomplish the installation of shell 2.

When the shell 2 is detached from the base 1, the pull ring 19 is pulled in a direction away from the opening 4 to separate the connecting block 6 from the groove 10 and completely enter the connecting box 3, then the shell 2 is moved upwards, the pull ring 19 is loosened to embed the round ball 15 into the slideway 17, and then the shell 2 is moved upwards until the shell 2 is completely separated from the base 1, so that the shell 2 is detached.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a connection structure of liquid expanding temperature controller, establishes on base (1) and with base (1) dismantlement shell (2) of being connected including base (1) that are used for placing temperature controller body, its characterized in that: the base (1) is box-shaped, two opposite side walls of the shell (2) are provided with connecting boxes (3), an opening (4) is arranged on the side wall of the connecting box (3) which is jointed with the shell (2), a notch (20) with the same size as the opening (4) is arranged on the shell (2) corresponding to the opening (4), a connecting block (6) is arranged in the connecting box (3), a moving rod (9) is arranged on one side of the connecting block (6) far away from the opening (4), the moving rod (9) penetrates through the side wall of the connecting box (3) and extends to the outer side of the connecting box (3), a pressure spring (5) is sleeved on the movable rod (9), one end of the pressure spring (5) is connected with the connecting block (6), the other end is fixedly connected with the inner wall of the connecting box (3), the base (1) is provided with a groove (10), and the connecting block (6) penetrates through the opening (4) and the notch (20) in sequence to be embedded into the groove (10).

2. The connecting structure of the liquid expansion temperature controller according to claim 1, wherein: and the edge of the connecting block (6) far away from the side surface of the pressure spring (5) is provided with an arc chamfer (11).

3. The connecting structure of the liquid expansion temperature controller according to claim 2, wherein: the connecting device is characterized in that sliding rods (7) are arranged on two horizontal planes of the connecting block (6), sliding grooves (8) are formed in two horizontal plane side walls of the connecting box (3), the sliding rods (7) are vertically arranged, and one ends, far away from the connecting block (6), of the sliding rods (7) are slidably inserted into the sliding grooves (8).

4. The connecting structure of the liquid expansion temperature controller according to claim 3, wherein: the side of the connecting block (6) far away from the pressure spring (5) is provided with a plurality of limiting columns (12), limiting grooves (13) are formed in the grooves (10), and the limiting columns (12) are in plug-in fit with the limiting grooves (13).

5. The connecting structure of the liquid expansion temperature controller according to claim 4, wherein: the end part of the limiting column (12) far away from the connecting block (6) is provided with an arc surface (14).

6. The connecting structure of the liquid expansion temperature controller according to claim 2, wherein: fixedly connected with ball (15) on the side of pressure spring (5) is kept away from in connecting block (6), inside and the surface of protrusion connecting block (6) of connecting block (6) are embedded in ball (15), be equipped with circular slot (16) in recess (10), the cooperation of pegging graft with circular slot (16) is gone out to the part on ball (15) protrusion connecting block (6) surface.

7. The connecting structure of the liquid expansion temperature controller according to claim 6, wherein: be equipped with slide (17) on the lateral wall that base (1) was equipped with recess (10), the vertical setting of slide (17), slide (17) and recess (10) intercommunication, the cross-section of slide (17) is the arc surface, the degree of depth of slide (17) is less than the length of ball (15) protrusion connecting block (6), ball (15) contradict with slide (17).

8. The connecting structure of the liquid expansion temperature controller according to claim 5, wherein: the surface of the sliding rod (7) close to one side of the opening (4) is provided with a rubber layer (18).

9. The connecting structure of the liquid expansion temperature controller according to claim 8, wherein: and a pull ring (19) is arranged at one end of the moving rod (9) far away from the connecting block (6).

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