CN218568727U - Pressure controller, pipeline system and electrical apparatus - Google Patents
Pressure controller, pipeline system and electrical apparatus Download PDFInfo
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- CN218568727U CN218568727U CN202223203964.5U CN202223203964U CN218568727U CN 218568727 U CN218568727 U CN 218568727U CN 202223203964 U CN202223203964 U CN 202223203964U CN 218568727 U CN218568727 U CN 218568727U
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- ceramic rod
- pressure controller
- contact part
- sealing element
- movable contact
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Abstract
The utility model provides a pressure controller, a pipeline system and an electric appliance, wherein the pressure controller comprises a main body, a ceramic rod, a movable contact part and a fixed contact part which are positioned in the main body, the ceramic rod and the movable contact part are sequentially arranged along the propelling direction, and the ceramic rod can move to the propelling position along the propelling direction; the pressure controller also comprises a sealing element which has elastic deformation capacity and/or flexible deformation capacity; the sealing element is arranged in the main body, the sealing element seals the space where the movable contact part and the fixed contact part are positioned, and the ceramic rod is positioned outside the space; when the ceramic rod is located at the pushing position, the ceramic rod forces the sealing element to deform, and the ceramic rod, the sealing element and the movable contact part are abutted in sequence. The pipeline system comprises a pressure controller, and the electric appliance comprises the pipeline system. The utility model discloses an add the piece that the sealing member eliminated ceramic rod and produced to the influence of sound contact, also eliminate the influence of outside aqueous vapor to the sound contact, guarantee sound contact part action performance.
Description
Technical Field
The utility model relates to a pressure control technical field, concretely relates to pressure controller, pipe-line system and electrical apparatus.
Background
The management system of air conditioner includes pressure controller, and current normal close formula pressure controller includes the main part and is located ceramic post, diaphragm, movable contact part and the stationary contact part in the main part, and the movable contact part has elastic contact portion, and entry, diaphragm, ceramic post and the elastic contact portion of main part set gradually along advancing direction. The inlet of the pressure controller is communicated with a pipeline of a pipeline system, the pressure change of the pipeline causes the fluctuation change of the diaphragm, when the pressure is overlarge, the diaphragm pushes the ceramic column, and the ceramic column pushes the elastic contact part to separate the movable contact part from the static contact part so as to disconnect the movable contact part from the static contact part.
The existing pressure controller adopting the ceramic column has the problems that after the pressure controller works repeatedly, the ceramic rod, a movable contact part and other parts generate abrasion to a certain degree, and fragments generated after abrasion are attached between a movable contact and a static contact, so that the action performance of the pressure controller is influenced. In addition, in the production process of the pressure controller, a riveting process is adopted among some parts on the main body, and gaps exist among different materials of all parts subjected to riveting, so that water vapor enters the inner cavity and reaches the spaces where the movable contact parts and the static contact parts are located, and the movable contact parts and the static contact parts are oxidized to influence the action performance.
SUMMERY OF THE UTILITY MODEL
A first object of the present invention is to provide a pressure controller for protecting moving and static contacts and ensuring the performance of the operation.
A second object of the present invention is to provide a pipe system which ensures the performance of the pressure controller and ensures the accuracy of the pressure control.
A third object of the present invention is to provide an electrical appliance for ensuring accurate pressure control.
The first purpose of the utility model is to provide a pressure controller, which comprises a main body, a ceramic rod, a movable contact part and a stationary contact part, wherein the ceramic rod, the movable contact part and the stationary contact part are arranged in the main body in sequence along the propulsion direction, and the ceramic rod can move to the propulsion position along the propulsion direction; the pressure controller also comprises a sealing element, and the sealing element has elastic deformation capacity and/or flexible deformation capacity; the sealing element is arranged in the main body, the sealing element seals the space where the movable contact part and the fixed contact part are located, and the ceramic rod is located outside the space; when the ceramic rod is located at the pushing position, the ceramic rod forces the sealing element to deform, and the ceramic rod, the sealing element and the movable contact part are abutted in sequence.
It is visible by above-mentioned scheme, the utility model discloses an add the sealing member in the main part, the sealing member can be sealed with movable contact part and stationary contact part place space, and because the sealing member has certain elastic deformation ability or flexible deformation ability, therefore it is enough driven by ceramic rod and starts movable contact part, consequently can guarantee that ceramic rod triggers the effective realization of the action of movable contact part. Therefore, the ceramic rod is blocked outside the space where the movable contact and the static contact are located, the ceramic rod cannot directly collide with the movable contact part to generate fragments, and friction fragments generated between the ceramic rod and other parts on the main body can be blocked outside the space by the sealing element. In addition, the sealing element also ensures the sealing performance of the space and improves the waterproof effect. Therefore, the utility model discloses an add the piece that the sealing member had eliminated the production of ceramic rod and to the influence of sound contact, also eliminated the influence of outside aqueous vapor to sound contact, guarantee sound contact part action performance.
Further, the sealing member includes a restricting peripheral wall that restricts the ceramic rod from an outer periphery thereof.
Therefore, the ceramic rod can further move on the linearity under the arrangement, unnecessary friction contact between the ceramic rod and other parts can be reduced, the abrasion degree is reduced, and the generation of fragments is also reduced.
The sealing element comprises a baffle wall and a cap body, the cap body protrudes from the baffle wall, the cap body is sleeved on the ceramic rod, and the limiting circumferential wall is arranged on the cap body; when the ceramic rod is located at the pushing position, the ceramic rod, the cap body and the movable contact part are abutted in sequence.
It is from top to bottom visible, because main part inner chamber space is less, the sealing member with the mode suit of the cap body on the ceramic rod of activity, can make the sealing member dodge like the inner structure of stationary contact part in to the main part, guarantee that sealing member and ceramic rod motion are not hindered, also can further promote the restriction degree to ceramic rod, guarantee that ceramic rod is along rectilinear movement and further reduce the frictional contact.
Still further, the retaining wall has elastic deformation capability and/or flexible deformation capability, and the cap body is located in the center of the retaining wall.
It can be seen that the cap body is arranged at the center of the blocking wall as the deformation part, after the cap body moves along with the ceramic rod, the deformation quantity of the blocking wall is uniform, the stress on the periphery of the cap body is more uniform, and the cap body can move linearly to avoid influencing the normal action of the ceramic rod.
The main body comprises a base, a sliding connecting hole is formed in the base, and the ceramic rod is installed in the sliding connecting hole; the base is located outside the space.
Therefore, even though the ceramic rod moves repeatedly and is in frictional contact with the base to generate debris, the debris can be blocked outside the space where the movable contact and the static contact are positioned by the sealing element.
Still further, the main body further comprises a housing, and a space is formed in the housing; the outer edge of the seal is connected between the housing and the base.
Therefore, the sealing element is arranged to fill a matching gap between the shell and the base, and the space is guaranteed to be shielded in a sealing mode.
Another further solution is that in the advancing direction there is a spacing between the deformable part of the sealing member and the stationary contact part in the advancing direction.
Still further, there is a space between the base and the deformable portion of the seal.
As can be seen, the blocking wall is a deformable portion of the sealing member. This setting makes the deformation of the portion that can deform unimpeded, guarantees that the ceramic pole can drive the sealing member smoothly and trigger and move the contact element.
The sealing element further comprises a sealing peripheral wall, the sealing peripheral wall is arranged on the inner periphery of the shell, and the outer peripheral surface of the sealing peripheral wall is connected with the inner peripheral surface of the shell in a sealing mode.
Therefore, the sealing matching surface area between the sealing element and the shell can be further increased by the arrangement, and the sealing performance is further ensured.
A second object of the present invention is to provide a pipe system comprising a pressure controller, wherein the pressure controller is the above pressure controller.
The utility model discloses the electrical apparatus that the third objective provided includes pipe-line system, and pipe-line system adopts foretell pipe-line system.
Drawings
Fig. 1 is a cross-sectional view of a first state of an embodiment of the pressure controller of the present invention.
Fig. 2 is a cross-sectional view of a sealing member in an embodiment of the pressure controller of the present invention.
Fig. 3 is an enlarged view of a point a in fig. 1.
Fig. 4 is a cross-sectional view of a second state of the embodiment of the pressure controller of the present invention.
Detailed Description
Referring to fig. 1, the present embodiment is a pressure controller applied in a piping system of an air conditioner, and is a diaphragm type normally closed pressure controller. The pressure controller of the present embodiment includes a main body including a housing 1, a base 6 and a metal induction member 3, the housing 1 including an outer shell 11 and an inner shell 12, a movable contact member 21 provided in the main body, a stationary contact member 22, a diaphragm (not shown in the figure), a ceramic rod 4 and a sealing member 5.
The outer shell 11 is sleeved outside the inner shell 12, the inner shell 12 is provided with an inner cavity, one end of the movable contact part 21 and the fixed contact part 22 is positioned outside the shell 1 and penetrates through the outer shell 11 and the inner shell 12, the other end of the movable contact part 22 is positioned in the inner cavity of the inner shell 12, the fixed end is positioned at one end of the fixed contact part 22 in the inner cavity of the inner shell 12, the elastic swinging part 211 is arranged at one end of the movable contact part 21 in the inner cavity of the inner shell 12, and the elastic swinging part 211 is kept to be abutted against the fixed end of the fixed contact part 22 under self restoring force, so that the switch is in a normally closed state.
The shown x axle direction of fig. 1 does the utility model discloses a direction of propulsion, metal response piece 3, base 6 and sealing member 5 set gradually along direction of propulsion, sealing member 5 seals up the inner chamber of inner shell 12 from the entrance of inner shell 12 inner chamber and shelters from to make the space that movable contact part 21 and stationary contact part 22 were located become airtight space 100, shell 11, inner shell 12, mutual fixed connection between base 6 and the metal response piece 3, and the outer fringe of sealing member 5 is fixed at inner shell 12, the combination department of base 6 and metal response piece 3. The ceramic rod 4 is slidably installed in the slide coupling hole 60 of the base 6 in the advancing direction, and the base 6 and the ceramic rod 4 are located outside the hermetic space 100. The diaphragm is arranged in the metal induction part 3, and the diaphragm and the ceramic rod 4 are sequentially arranged along the propelling direction. When the pressure in the pipeline connected with the pressure controller is increased, the diaphragm is pushed by the pressure to jack up the ceramic rod 4.
Referring to fig. 1 and 2, the sealing member 5 of the present embodiment is made of a rubber material. The sealing member 5 includes a blocking wall 51, a cap body 52, a sealing peripheral wall 53 and an outer edge 54, the blocking wall 51 is circular, the blocking wall 51 has elastic deformation capability, the extending direction of the blocking wall 51 is perpendicular to the advancing direction, the cap body 52 protrudes from the center of the blocking wall 51 along the advancing direction, the cap body 52 includes a limiting peripheral wall 521 and a top wall 522, the limiting peripheral wall 521 is connected between the top wall 522 and the inner peripheral edge of the blocking wall 51, a mounting position 520 is formed in the cap body 52, and the entrance of the mounting position 520 is located on the side, facing the opposite direction to the advancing direction, of the sealing member 5. The sealing peripheral wall 53 extends from the outer peripheral edge of the stopper wall 51 in the direction opposite to the advancing direction, and the outer edge 54 extends from the extending end of the sealing peripheral wall 53 toward the outer periphery of the sealing peripheral wall 53 and has an annular shape.
With reference to fig. 1 to 3, in the advancing direction, the outer edge 54 of the sealing member 5 is fixed to the base 6 by pressing between the inner shells 12; in the inside-out direction, an annular clamping position is formed between the base 6, the outer edge 54 and the inner shell 12 and the outer shell 11, the metal sensing element 3 is provided with an annular wall 31 extending along the propelling direction, the annular wall 31 is inserted into the annular clamping position, at the moment, the outer edge 54 of the sealing element 5 abuts against the inner shell 12, the base 6 and the annular wall 31, and the sealing element 5 can provide a good sealing effect for the connecting gap among the inner shell 12, the base 6 and the metal sensing element 3. In addition, the sealing circumferential wall 53 is positioned on the inner circumference of the inner casing 12, and the outer circumferential surface of the sealing circumferential wall 53 is in close contact with the inner wall surface of the inner casing 12 to achieve sealing connection, which can further improve the sealing effect on the sealed space 100. Therefore, the provision of the seal 5 can effectively prevent moisture from entering the sealed space 100 to affect the movable contact member 21 and the stationary contact member 22.
Referring to fig. 1 to 3, the tip end of the ceramic rod 4 is located in the mounting position 520 of the cap body 52, the stopper peripheral wall 521 restricts the ceramic rod 4 from the outer periphery of the ceramic rod 4, and the top wall 522 of the cap body 52 is blocked between the ceramic rod 4 and the elastic swinging portion 211 in the advancing direction. As shown in fig. 3, the blocking wall 51 as a deformable portion is provided between the base 6 and the stationary contact member 22 with a space therebetween in the advancing direction, that is, the blocking wall 51 is provided with a space between the stationary contact member 22 and the base 6, preferably, the blocking wall 51 is provided with a space therebetween in the advancing direction.
Referring to fig. 1 and 4, when the internal pressure of the pipeline connected by the pressure controller increases, the diaphragm is pushed by the pressure to jack up the ceramic rod 4, the ceramic rod 4 can reach a pushing position, the ceramic rod 4 shown in fig. 4 is located at the pushing position, at this time, the ceramic rod 4, the top wall 522 of the cap body 52 and the elastic swinging portion 211 are in sequential abutment along the pushing direction, and the elastic swinging portion 211 swings to be disconnected from the stationary contact part 22, and the blocking wall 51 is also adaptively and elastically deformed along with the change of the cap body 52. It can be seen that the end of the ceramic rod 4 does not collide directly with the movable contact member 21 under this arrangement, and thus collision debris does not occur here; in addition, since the seal 5 seals the closed space 100 in which the movable contact member 21 and the stationary contact member 22 are located and both the ceramic rod 4 and the base 6 are blocked outside the closed space 100, even if the ceramic rod 4 is worn and generates debris due to relative movement and mutual frictional contact between the ceramic rod 4 and the base 6, the debris cannot enter the closed space 100. Therefore, this arrangement eliminates the problem that the fragments of the ceramic rod 4 affect the movable contact member 21 and the stationary contact member 22.
Further, compared with fig. 1 and 4, since the stationary contact part 22 is arranged beside the ceramic rod 4, the protruding cap 52 is arranged and the cap 52 is sleeved on the ceramic rod 4, so as to avoid the stationary contact part 22, and ensure that the deformation of the sealing member 5 is not hindered during the action process; in addition, if the inner diameter of the limiting circumferential wall 521 of the cap body 52 corresponds to the outer diameter of the ceramic rod 4 so that the two are in contact fit, the shaking of the ceramic rod 4 can be eliminated through the cap body 52, the ceramic rod 4 keeps linear motion, the frictional contact between the ceramic rod 4 and the base 6 is reduced, the abrasion of the ceramic rod 4 is reduced, the ceramic rod 4 is more durable, and the generation of debris and other influences can be avoided.
In other embodiments, on the premise of ensuring that the static contact part and the sealing element are not interfered mutually, the sealing element does not need to be provided with a cap body.
In other embodiments, the seal does not have a sealing perimeter wall, and the outer edge of the barrier wall is connected between the housing and the base as the outer edge of the seal.
In other embodiments, the sealing element is made of flexible material, and the sealing element has flexible deformation capability, so that the sealing element can move along with the movement of the ceramic rod.
The utility model discloses still ask for protection to include the utility model discloses a pressure controller's pipe-line system and electrical apparatus.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (11)
1. The pressure controller comprises a main body, a ceramic rod, a movable contact part and a fixed contact part, wherein the ceramic rod, the movable contact part and the fixed contact part are positioned in the main body, the ceramic rod and the movable contact part are sequentially arranged along the propelling direction, and the ceramic rod can move to the pushing position along the propelling direction;
the method is characterized in that:
the pressure controller also comprises a sealing element, and the sealing element has elastic deformation capacity and/or flexible deformation capacity;
the sealing element is arranged in the main body and seals a space where the movable contact part and the fixed contact part are positioned, and the ceramic rod is positioned outside the space;
when the ceramic rod is located at the pushing position, the ceramic rod forces the sealing element to deform, and the ceramic rod, the sealing element and the movable contact component are abutted in sequence.
2. The pressure controller of claim 1, wherein:
the sealing member includes a stopper peripheral wall that restricts the ceramic rod from an outer periphery thereof.
3. The pressure controller of claim 2, wherein:
the sealing element comprises a blocking wall and a cap body, the cap body protrudes from the blocking wall, the cap body is sleeved on the ceramic rod, and the limiting peripheral wall is arranged on the cap body;
when the ceramic rod is located at the pushing position, the ceramic rod, the cap body and the movable contact component are abutted in sequence.
4. The pressure controller of claim 3, wherein:
the blocking wall has elastic deformation capacity and/or flexible deformation capacity, and the cap body is located in the center of the blocking wall.
5. The pressure controller according to any one of claims 1 to 4, wherein:
the main body comprises a base, a sliding connecting hole is formed in the base, and the ceramic rod is installed in the sliding connecting hole;
the base is located outside the space.
6. The pressure controller of claim 5, wherein:
the body further comprises a housing, the space being formed within the housing;
the outer edge of the seal is connected between the housing and the base.
7. The pressure controller of claim 6, wherein:
the sealing member further comprises a sealing peripheral wall which is arranged on the inner periphery of the shell, and the outer peripheral surface of the sealing peripheral wall is connected with the inner peripheral surface of the shell in a sealing mode.
8. The pressure controller of claim 5, wherein:
in the advancing direction, there is a space between the deformable portion of the seal and the stationary contact member.
9. The pressure controller of claim 8, wherein:
the base is spaced from the deformable portion of the seal.
10. A pipeline system including a pressure controller, wherein the pressure controller is as claimed in any one of claims 1 to 9.
11. Electrical appliance comprising a pipe system, characterized in that the pipe system uses the pipe system according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203964.5U CN218568727U (en) | 2022-11-29 | 2022-11-29 | Pressure controller, pipeline system and electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203964.5U CN218568727U (en) | 2022-11-29 | 2022-11-29 | Pressure controller, pipeline system and electrical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218568727U true CN218568727U (en) | 2023-03-03 |
Family
ID=85305477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223203964.5U Active CN218568727U (en) | 2022-11-29 | 2022-11-29 | Pressure controller, pipeline system and electrical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218568727U (en) |
-
2022
- 2022-11-29 CN CN202223203964.5U patent/CN218568727U/en active Active
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| GR01 | Patent grant |