CN210223893U

CN210223893U - Double-temperature-regulation liquid expansion type temperature controller

Info

Publication number: CN210223893U
Application number: CN201921317677.2U
Authority: CN
Inventors: Zhouyang Zhu; 朱洲阳; Jizhen Qiu; 邱基振
Original assignee: Foshan Jiulong Machine Co ltd
Current assignee: Foshan Jiulong Machine Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-03-31
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a two regulation temperature liquid expanding temperature controllers, including body, bottom, power spare subassembly, support, regulating spindle, binding post, movable contact spring and contact frame, the bottom with the body lid closes, the power spare subassembly sets up the body with between the bottom, the support sets up the body top, the regulating spindle runs through the support sets up on the body and the bottom is connected the power spare subassembly, binding post sets up on the body, the movable contact spring sets up on the contact frame, the contact frame sets up on the body, be provided with spacing piece on the regulating spindle, be provided with on the bottom and keep away the dead hole, keep away and be provided with first adjusting screw in the dead hole, first adjusting screw threaded connection the power spare subassembly. The utility model discloses an adopt regulating spindle, first adjusting screw to the double regulation of diaphragm capsule and pressure-bearing plate, can realize better precision for the settlement of temperature controller is more accurate.

Description

Double-temperature-regulation liquid expansion type temperature controller

Technical Field

The utility model belongs to the technical field of the temperature controller, concretely relates to two regulation temperature liquid expanding temperature controllers.

Background

The liquid expansion type temperature controller has the working principle that a liquid working medium is filled into a power assembly which is formed by welding a diaphragm capsule, a capillary tube, a temperature sensing cylinder or a temperature sensing bag part to form a closed space by applying the principle of expansion with heat and contraction with cold, the volume change of the filled working medium is changed to change the pressure or the volume change of the closed space when the temperature sensing cylinder or the temperature sensing bag senses the external temperature change, so that the diaphragm capsule generates displacement, when a set value is reached, a quick instantaneous switch consisting of an elastic element is pushed to generate on-off action by a mechanism consisting of a diaphragm handle, a diaphragm capsule seat plate and a push rod, the switch is disconnected when the temperature rises, and the switch is returned to be closed when the temperature drops, so that the temperature control function is realized. The prior art adjusts the contact with the diaphragm capsule by adjusting a shaft nut arranged on the outer side of an adjusting shaft, and the accuracy adjustment is not accurate enough and cannot be more accurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can realize better two regulation liquid expanding temperature controllers of precision regulation

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a two regulation temperature liquid expanding temperature controllers, includes body, bottom, power component, support, regulating spindle, binding post, movable contact spring and contact frame, the bottom with the body lid closes, the power component sets up the body with between the bottom, the support sets up the body top, the regulating spindle runs through the support sets up on the body and the bottom is connected the power component, binding post sets up on the body, the movable contact spring sets up on the contact frame, be provided with spacing piece on the regulating spindle, be provided with on the bottom and keep away the dead hole, keep away the downthehole first adjusting screw that is provided with, first adjusting screw threaded connection the power component.

Preferably, power component spare includes a temperature sensing section of thick bamboo, capillary, bearing plate, capsule box and push rod, a temperature sensing section of thick bamboo with the capillary intercommunication, the capillary end intercommunication the capsule box, the capsule box sets up on the bearing plate, the push rod sets up on the bearing plate and be located the bearing plate is kept away from the one end of capsule box, be provided with the diaphragm handle in the capsule box, a adjusting screw sets up on the bearing plate.

Preferably, a tower spring is disposed between the pressure bearing plate and the bellows.

Preferably, a bent tongue piece is arranged on the movable contact piece, a movable contact is arranged at one end, close to the tongue piece, of the movable contact piece, and one end, far away from the tongue piece, of the movable contact piece is fixedly connected with the contact piece frame.

Preferably, the body is provided with a limiting plate, and the limiting plate is arranged in the moving direction of the movable contact piece.

Preferably, the body is provided with a cavity, and the adjusting shaft is arranged in the cavity.

Preferably, a fastening clip is arranged on the cavity and detachably connected with the bottom cover.

Preferably, a connecting hole is formed in the bottom cover, and the fastening clip is connected with the connecting hole in a buckling mode.

Preferably, a plate spring is provided on the fastening clip.

Preferably, the body is provided with a partition plate.

Compared with the prior art, the beneficial effects of the utility model are that: through adopting regulating spindle, first adjusting screw to the dual control of diaphragm capsule and pressure-bearing plate, can realize better precision for setting for of temperature controller is more accurate, and the regulating effect is better.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic bottom structure diagram of the present invention.

Fig. 3 is a schematic view of the explosion structure of the present invention.

Fig. 4 is a schematic view of the power component assembly of the present invention.

Fig. 5 is a schematic view of the structure of the movable contact spring of the present invention.

In the figure: the temperature-sensing device comprises a body 1, a cavity 11, a partition plate 12, a limiting plate 13, a bottom cover 2, a clearance hole 21, a first adjusting screw 22, a connecting hole 23, a power element assembly 3, a temperature-sensing cylinder 31, a capillary tube 32, a pressure-bearing plate 33, a diaphragm capsule 34, a push rod 35, a diaphragm handle 36, a tower spring 37, a bracket 4, an adjusting shaft 5, a through hole 51, a limiting piece 52, a second adjusting screw 53, a wiring terminal 6, a movable contact 7, a tongue piece 71, a movable contact 72, a contact rack 8, a fastening clamp 9 and a plate spring 91.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-5, an embodiment of the present invention provides a dual-temperature-adjusting liquid-expansion temperature controller, which comprises a body 1, a bottom cover 2, a power component 3, a support 4, an adjusting shaft 5, a connecting terminal 6, a movable contact 7 and a contact holder 8, wherein the bottom cover 2 covers the body 1, the power component 3 is disposed between the body 1 and the bottom cover 2, the support 4 is disposed on the top of the body 1, the adjusting shaft 5 penetrates through the support 4 and is disposed on the body 1, the bottom end of the adjusting shaft is connected to the power component 3, the connecting terminal 6 is disposed on the body 1, the movable contact 7 is disposed on the contact holder 8, the contact holder 8 is disposed on the body 1, the adjusting shaft 5 is provided with a limiting piece 51, the bottom cover 2 is provided with a clearance hole 21, a first adjusting screw 22 is disposed in the clearance hole 21, the first adjusting screw 22 is screwed with the power member assembly 3. The position of the power component assembly 3 is adjusted through the adjusting screw 22, and double adjustment of the adjusting shaft 5 and the first adjusting screw 22 is achieved. The two wiring terminals 6 are the same, the two wiring terminals 6 are arranged on the body 1 in a screw connection mode, one wiring terminal 6 is connected with one end of the movable contact piece 7 and one end of the contact piece frame 8 through screws, and the other wiring terminal 6 is arranged below the other end of the movable contact piece 7. The body 1 is provided with a limiting plate 13, and the limiting plate 13 limits the movable contact piece 7 in the moving direction of the movable contact piece 7. When the temperature is too high, the power component assembly 3 provides power to deform the movable contact piece 7, so that the contact of the movable contact piece 7 is disconnected with the wiring terminal 6, and the purpose of controlling the circuit is achieved.

Specifically, power part subassembly 3 includes temperature sensing cylinder 31, capillary 32, backing plate 33, bellows 34 and push rod 35, temperature sensing cylinder 31 with capillary 32 communicates, capillary 32 end intercommunication bellows 34, bellows 34 sets up on backing plate 33, push rod 35 sets up on backing plate 33 and be located backing plate 33 is kept away from the one end of bellows 34. A diaphragm handle 36 is disposed within the bellows 34. The first adjustment screw 22 is screwed to the bearing plate 33. Because the adjusting shaft 5 can be adjusted and displaced up and down under the principle of relative movement of threads, the relative displacement of the bellows 34 is changed by rotating the adjusting shaft 5 to displace up and down. The adjustment shaft 5 is provided with a hole which is engaged with a cylinder on the membrane holder 36. The power component 3 is a sealed cavity formed by welding, and after the temperature sensing medium is filled into the cavity sealed by the temperature sensing cylinder 31, the capillary tube 32 and the diaphragm capsule 34, when the temperature sensing cylinder 31 senses the temperature, the temperature sensing medium inside expands or contracts, so that the diaphragm capsule 34 with elasticity generates displacement. After the temperature sensing cylinder 31 senses the temperature, the diaphragm box 34 is displaced and drives the bearing plate 33 to move up and down, the push rod 35 pushes the movable contact piece 7 open along with the up and down movement, the push force enables the movable contact piece 7 to deform to enable the tongue piece 71 to turn over, and after the deformation exceeds a turning plane, the snap switch rapidly turns over to enable the movable contact piece 72 to be disconnected or connected with the connecting terminal 6, so that the purpose of controlling a circuit is achieved.

A tower spring 37 is disposed between the pressure plate 33 and the bellows 34, and the tower spring 37 can assist the movement of the bellows 34.

Further, a cavity 11 is arranged on the body 1, and the adjusting shaft 5 is arranged in the cavity 11. The bottom of the adjusting shaft 5 is provided with a limiting piece 51, the limiting piece 51 is located in the cavity 11, a limiting block is arranged in the cavity 11 and connected with the limiting piece 51 in a clamped mode, and the limiting block and the limiting piece 51 act together to limit the adjusting shaft 5.

Further, a fastening clip 9 is arranged on the cavity 11, the fastening clip 9 is detachably connected with the bottom cover 2, and a plate spring 91 is arranged on the fastening clip 9. Specifically, a connecting hole 21 is formed in the bottom cover 2, and the fastening clip 9 is connected with the connecting hole 21 in a snap-fit manner. The fastening clamp 9 is composed of two side plates and a bottom plate, a hole is formed in the center of the bottom plate, the adjusting shaft 5 is fixed on the fastening clamp 9 in a threaded connection mode with the hole, and the limiting piece 71 is located between the bottom plate of the fastening clamp 9 and the plate spring 91.

The body 1 is provided with a partition 12 for combining with the body 12 to complete the structure and prevent the internal components from being directly exposed.

The working principle of the utility model is that the power component 3 is a sealed cavity formed by welding, after the temperature sensing medium is filled into the sealed cavity of the temperature sensing cylinder 31, the capillary tube 32 and the diaphragm capsule 34, when the temperature sensing cylinder 31 senses the temperature, the temperature sensing medium inside expands or contracts, thereby causing the diaphragm capsule 34 with elasticity to generate displacement. When the temperature is set, the relative displacement of the diaphragm capsule 34 and the bearing plate 33 can be adjusted up and down under the thread relative principle by the adjusting shaft 5 and the first adjusting screw 22, the adjusting mode of the two parts is double adjustment, after the temperature sensing cylinder 31 senses the temperature, the diaphragm capsule 34 is displaced and drives the bearing plate 33 to move up and down, the push rod 35 pushes the movable contact 7 open along with the up and down movement, the push force enables the movable contact 7 to deform so as to overturn the tongue piece 71, after the deformation exceeds the overturning plane, the snap switch rapidly overturns, so that the movable contact 72 is disconnected or connected with the connecting terminal 6, and the purpose of a control circuit is achieved. Because the adjusting shaft 5 can adjust the diaphragm capsule 34 displacement up and down under the principle of relative movement of the screw threads, the relative displacement of the bearing plate 33 is changed by rotating the first adjusting screw 22 to move up and down, and the temperature setting of the temperature controller is more accurate by adopting the double-adjusting mode.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a two regulation temperature liquid expanding temperature controllers, includes body, bottom, power spare subassembly, support, regulating spindle, binding post, movable contact spring and contact frame, the bottom with the body lid closes, the power spare subassembly sets up the body with between the bottom, the support sets up the body top, the regulating spindle runs through the support setting is in on the body and the bottom is connected the power spare subassembly, binding post sets up on the body, the movable contact spring sets up on the contact frame sets up on the body, be provided with spacing piece on the regulating spindle, its characterized in that: the bottom cover is provided with a clearance hole, a first adjusting screw is arranged in the clearance hole, and the first adjusting screw is in threaded connection with the power part assembly.

2. A double-regulating temperature liquid-expansion thermostat according to claim 1, characterized in that: the power piece subassembly includes a temperature sensing section of thick bamboo, capillary, pressure-bearing plate, capsule and push rod, a temperature sensing section of thick bamboo with the capillary intercommunication, the capillary end intercommunication the capsule, the capsule sets up on the pressure-bearing plate, the push rod sets up on the pressure-bearing plate and be located the pressure-bearing plate is kept away from the one end of capsule, be provided with the membrane handle in the capsule, a adjusting screw sets up on the pressure-bearing plate.

3. A double-regulating temperature liquid-expansion thermostat according to claim 2, characterized in that: and a tower spring is arranged between the pressure bearing plate and the diaphragm capsule.

4. A double-regulating temperature liquid-expansion thermostat according to claim 1, characterized in that: the movable contact piece is provided with a bent tongue piece, one end of the movable contact piece close to the tongue piece is provided with a movable contact, and one end of the movable contact piece far away from the tongue piece is fixedly connected with the contact piece frame.

5. A double-regulating temperature liquid-expansion thermostat according to claim 4, characterized in that: the body is provided with a limiting plate, and the limiting plate is arranged in the moving direction of the movable contact piece.

6. A double-regulating temperature liquid-expansion thermostat according to claim 1, characterized in that: the body is provided with a cavity, and the adjusting shaft is arranged in the cavity.

7. A double-regulating temperature liquid-expansion thermostat according to claim 6, characterized in that: the cavity is provided with a fastening clamp, and the fastening clamp is detachably connected with the bottom cover.

8. A double-regulating temperature liquid-expansion thermostat according to claim 7, characterized in that: the bottom cover is provided with a connecting hole, and the fastening clamp is connected with the connecting hole in a buckling mode.

9. A twin temperature regulated thermostatic liquid-expansion thermostat according to claim 8 wherein the clamp is provided with a leaf spring.

10. A double-regulating temperature liquid-expansion thermostat according to claim 1, characterized in that: the body is provided with a clapboard.