阅读说明：本技术 一种pvc管接头抗老化防护装置 (PVC coupling ageing resistance protector ) 是由 赵凯 徐�明 宋开生 孙兴义 吴本虎 任进进 赵海洋 于 2020-12-31 设计创作，主要内容包括：本发明涉及PVC管技术领域,具体涉及一种PVC管接头抗老化防护装置；本发明包括PVC组件、罩壳组件和限位组件,PVC组件包括可拆卸式密封连接的A管和B管,A管、B管的连接端设有分别相互配合的A接头、B接头,A接头与B接头的最大外环半径相同A管和B管处于连接端的管体上均可拆卸地设有罩壳组件,罩壳组件包括通过第一固定组件可拆卸式固定连接的上壳板和下壳板,上壳板与下壳板的内环侧壁均设有一组环形凹槽,环形凹槽中均设有非牛顿流体囊,上壳板和下壳板的外环侧壁上均设有热感应变色涂层,限位组件包括角台、螺杆和第三固定组件；本发明能够有效地解决现有技术存在结构强度较低、受温度影响引起的老化程度严重和防水性能不佳等问题。(The invention relates to the technical field of PVC pipes, in particular to an anti-aging protection device for a PVC pipe joint; the PVC assembly comprises a detachable A pipe and a detachable B pipe which are hermetically connected, the connecting ends of the A pipe and the B pipe are provided with an A joint and a B joint which are respectively matched with each other, the pipe bodies of the A pipe and the B pipe, which are positioned at the connecting ends, of the A joint and the B joint and have the same maximum outer ring radius, are respectively and detachably provided with a housing assembly, the housing assembly comprises an upper shell plate and a lower shell plate which are detachably and fixedly connected through a first fixing assembly, the inner ring side walls of the upper shell plate and the lower shell plate are respectively provided with a group of annular grooves, the annular grooves are respectively provided with a non-Newtonian fluid bag, the outer ring side walls of the upper shell plate and the lower shell plate are respectively provided with a thermal induction color-changing coating, and the limiting assembly comprises a corner platform, a screw; the invention can effectively solve the problems of lower structural strength, serious aging degree caused by temperature influence, poor waterproof performance and the like in the prior art.)

1. The utility model provides a PVC coupling ageing resistance protector which characterized in that: comprises a PVC component, a housing component and a limiting component;

the PVC assembly comprises a pipe A and a pipe B which are detachably and hermetically connected, wherein the connecting ends of the pipe A and the pipe B are provided with a joint A and a joint B which are matched with each other respectively, and the maximum outer ring radiuses of the joint A and the joint B are the same;

the pipe body of the pipe A and the pipe B at the connecting end is detachably provided with a housing assembly, the housing assembly comprises an upper housing plate and a lower housing plate which are detachably and fixedly connected through a first fixing assembly, one end of each of the upper housing plate and the lower housing plate is provided with a semicircular ring flange, the other end of each of the upper housing plate and the lower housing plate is provided with a group of sector ring-shaped support plates at equal intervals, and the upper housing plate, and the lower housing plate in the housing assembly are detachably and fixedly connected through a second fixing assembly;

the inner ring side walls of the upper shell plate and the lower shell plate are provided with a group of annular grooves at equal intervals along the central axis direction, the annular grooves are respectively provided with a non-Newtonian fluid sac matched with the annular grooves, and the outer ring side walls of the upper shell plate and the lower shell plate are respectively provided with a heat-sensitive color-changing coating;

the limiting assembly comprises an angle platform, a screw rod and a third fixing assembly, the middle of the outer ring side wall of the support plate is vertically provided with the angle platform, the top end of the angle platform penetrates through a thread groove matched with the screw rod along the direction of the central axis of the housing assembly, the two ends of the screw rod are respectively screwed in the thread grooves on the two angle platforms corresponding to the positions of the A pipe and the B pipe, and the two ends of the end part of the screw rod corresponding to the angle platform are respectively provided with the third fixing assembly.

2. The PVC pipe joint anti-aging protection device as claimed in claim 1, wherein the A joint and the B joint are installed in a plugging manner, and the outer ring sides of the A joint and the B joint are further provided with a matched sealing ring gasket.

3. The PVC pipe joint anti-aging protection device as claimed in claim 1, wherein the first fixing component comprises a first bolt, a first gasket and a first nut, and a set of first through holes matched with the first bolt are formed in the fin plates on two sides of the upper shell plate and the lower shell plate.

4. The PVC pipe joint anti-aging protection device as claimed in claim 1, wherein the second fixing component comprises a second bolt, a second gasket and a second nut, the flange plate is uniformly provided with a second through hole matched with the second bolt, and the contact surface of the flange plate is provided with a sealing pad body matched with the contact surface of the flange plate.

5. The anti-aging protection device for the PVC pipe joint as claimed in claim 1, wherein the side walls of the inner rings of the support plates are provided with anti-slip pads matched with the support plates, and the support plates on the same housing assembly are provided with coaxial arc-shaped through grooves with the same radius.

6. The PVC pipe joint anti-aging protection device as claimed in claim 5, wherein the support plates in the same housing assembly are connected through a belt matched with the arc-shaped through groove, and the belt is provided with an adjustable elastic buckle.

7. The PVC pipe joint anti-aging protector as recited in claim 1, wherein the thermo-chromic coating has a dark color at low temperature and a light color at high temperature.

8. The anti-aging protection device for the PVC pipe joint as claimed in claim 1, wherein a group of middle water leakage grooves are formed in the lower shell plate in a penetrating manner, and floats are arranged in the middle of the water leakage grooves.

9. The anti-aging protection device for the PVC pipe joint as claimed in claim 1 or 8, wherein the distribution of the water leakage grooves along the central axis of the lower casing plate is in a linear array with equal intervals, and the water leakage grooves and the annular grooves are distributed in a staggered manner, and the distribution of the water leakage grooves projected on the opening surface of the lower casing plate is in a circumferential array with equal intervals.

10. The PVC pipe joint anti-aging protection device as claimed in claim 1, wherein the third fixing assembly comprises a third nut and a third gasket, and an insulating layer is arranged on the inner ring side wall of each of the upper shell plate and the lower shell plate.

Technical Field

The invention relates to the technical field of PVC pipes, in particular to an anti-aging protection device for a PVC pipe joint.

Background

PVC is (Polyvinylchlorid) for short, the main component is polyvinyl chloride, other components are added to enhance the heat resistance, toughness and ductility of the PVC material, the uppermost layer of the surface film is paint, the middle main component is polyvinyl chloride, the lowermost layer is back-coated with adhesive, the PVC pipe needs to be butted and installed through corresponding butt joints when being butted, and corresponding protection devices need to be equipped to protect the joints in order to ensure the stability of the joints during operation.

In the application number: CN202020800064.0 discloses an anti-aging protection device for a pvc pipe joint, which comprises an installation barrel and a protection sleeve body, wherein a protection inner sleeve is arranged inside the installation barrel, the protection sleeve body extending out is slidably arranged between the installation barrel and the protection inner sleeve, a connecting sheet is arranged at the end of the protection sleeve body, a foam heat insulation layer is arranged on the inner wall of the protection sleeve body, a butt joint sleeve member communicated with the installation barrel is installed at one side of the installation barrel in a butt joint manner, a rubber wrapping sleeve communicated with the butt joint sleeve member is bonded at one side of the butt joint sleeve member, and a fastening sleeve is sleeved on the rubber wrapping sleeve member. The utility model discloses the protection endotheca that sets up has not only realized the butt joint installation of device with the installation barrel, has realized the effect that has reachd double-deck protection simultaneously again, and the lag body not only effectually extends the safeguard effect of device through the foam heat preservation, has improved the heat preservation of device simultaneously again and has separated the effect of temperature, and the effectual temperature of avoiding or reducing the external world causes the influence to the connection in the device, has improved the ageing resistance performance that connects.

However, the following disadvantages still exist in the practical application process:

firstly, the structural strength is low, because the PVC pipe joint is limited and fixed only by the two connecting sheets at the PVC pipe joint, the influence of movement or bending on the PVC pipe body at the outer end of the coverage range of the device is very easily transmitted to the two PVC pipe joints;

secondly, the aging degree caused by the influence of the temperature is serious, because the temperature of the pipe joint is influenced by the external temperature in the whole time period;

thirdly, the waterproof performance is not good, because there is a difference in temperature between the environment and the fluid inside the PVC pipe, which makes the area between the PVC pipe and the environment easy to generate water vapor, but the above device cannot effectively discharge the water vapor in time.

Disclosure of Invention

Solves the technical problem

Aiming at the defects in the prior art, the invention provides an anti-aging protection device for a PVC pipe joint, which can effectively solve the problems of low structural strength, serious aging degree caused by temperature influence, poor waterproof performance and the like in the prior art.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

an anti-aging protection device for a PVC pipe joint comprises a PVC component, a housing component and a limiting component;

the PVC assembly comprises a pipe A and a pipe B which are detachably and hermetically connected, wherein the connecting ends of the pipe A and the pipe B are provided with a joint A and a joint B which are matched with each other respectively, and the maximum outer ring radiuses of the joint A and the joint B are the same;

the pipe body of the pipe A and the pipe B at the connecting end is detachably provided with a housing assembly, the housing assembly comprises an upper housing plate and a lower housing plate which are detachably and fixedly connected through a first fixing assembly, one end of each of the upper housing plate and the lower housing plate is provided with a semicircular ring flange, the other end of each of the upper housing plate and the lower housing plate is provided with a group of sector ring-shaped support plates at equal intervals, and the upper housing plate, and the lower housing plate in the housing assembly are detachably and fixedly connected through a second fixing assembly;

the inner ring side walls of the upper shell plate and the lower shell plate are provided with a group of annular grooves at equal intervals along the central axis direction, the annular grooves are respectively provided with a non-Newtonian fluid sac matched with the annular grooves, and the outer ring side walls of the upper shell plate and the lower shell plate are respectively provided with a heat-sensitive color-changing coating;

the limiting assembly comprises an angle platform, a screw rod and a third fixing assembly, the middle of the outer ring side wall of the support plate is vertically provided with the angle platform, the top end of the angle platform penetrates through a thread groove matched with the screw rod along the direction of the central axis of the housing assembly, the two ends of the screw rod are respectively screwed in the thread grooves on the two angle platforms corresponding to the positions of the A pipe and the B pipe, and the two ends of the end part of the screw rod corresponding to the angle platform are respectively provided with the third fixing assembly.

Furthermore, the A joint and the B joint are installed in an inserting mode, and matched sealing ring gaskets are further arranged on the outer ring sides of the A joint and the B joint.

Furthermore, the first fixing assembly comprises a first bolt, a first gasket and a first nut, and a group of first through holes matched with the first bolt are formed in the fin plates on the two sides of the upper shell plate and the lower shell plate.

Furthermore, the second fixing assembly comprises a second bolt, a second gasket and a second nut, a second through hole matched with the second bolt is uniformly formed in the flange plate, and sealing cushion bodies matched with the contact surface of the flange plate are arranged on the contact surface of the flange plate.

Furthermore, the side walls of the inner rings of the support plates are provided with anti-skid pad bodies matched with the support plates, and the support plates on the same housing component are provided with coaxial arc-shaped through grooves with the same radius.

Furthermore, the support plates in the same housing component are connected in a penetrating manner through the belt matched with the arc-shaped through grooves, and the belt is provided with adjustable elastic buckles.

Further, the thermo-sensitive color change coating layer has a dark color in a low temperature state and a light color in a high temperature state.

Furthermore, a group of middle-shaped water leakage grooves penetrate through the lower shell plate, and floats are arranged in the middle of the water leakage grooves.

Furthermore, the distribution rule of the water leakage grooves along the central axis direction of the lower shell plate is a linear array with equal intervals, the water leakage grooves and the annular grooves are distributed in a staggered mode, and the water leakage grooves are distributed in a circumferential array with equal intervals in a projection mode on the opening surface of the lower shell plate.

Furthermore, the third fixing assembly comprises a third nut and a third gasket, and the inner ring side walls of the upper shell plate and the lower shell plate are respectively provided with a heat-insulating layer.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

1. the invention adds a housing component which comprises an upper shell plate and a lower shell plate which are detachably and fixedly connected through a first fixing component, wherein one end of each of the upper shell plate and the lower shell plate is provided with a semicircular ring flange, the other end of each of the upper shell plate and the lower shell plate is provided with a group of sector ring support plates at equal intervals, the upper shell plate and the upper shell plate, the lower shell plate and the lower shell plate in a pair of housing components are detachably and fixedly connected through a second fixing component, the inner ring side walls of the upper shell plate and the lower shell plate are provided with a group of annular grooves at equal intervals along the central axis direction, the annular grooves are respectively provided with non-Newtonian fluid bags matched with the annular grooves, a limiting component comprises a corner platform, a screw rod and a third fixing component, the middle part of the outer ring side wall of each support plate is vertically provided with a corner platform, the top end of each corner platform penetrates through a screw groove matched with the screw rod along the central axis direction of the housing component, and two, In the screw grooves on the two corner tables corresponding to the position of the pipe B, the end parts of the screws are provided with third fixing components at two ends of the corresponding end corner tables; therefore, the structural integrity and the structural strength of the product after installation can be effectively improved, so that the product can well ensure that the joint of the PVC pipe is fixed and limited; the effect of effectively improving the structural strength of the product when the product is used for fixing and limiting the PVC pipe joint is achieved.

2. The thermal induction color-changing coating is arranged on the outer ring side walls of the upper shell plate and the lower shell plate, the thermal induction color-changing coating is dark at a low temperature state and light at a high temperature state, and the inner ring side walls of the upper shell plate and the lower shell plate are provided with a heat-insulating layer; therefore, the PVC pipe joint can be heated and kept warm by absorbing external sunlight through the thermal sensitive color-changing coating in a low-temperature environment, and meanwhile, the heat-insulating layer can effectively keep warm for the PVC pipe joint; the effect of effectively reducing the aging degree of the PVC pipe joint caused by the change of the external environment temperature is achieved.

3. According to the invention, a group of 'middle' -shaped water leakage grooves penetrates through the lower shell plate, floats are arranged in the middle of the water leakage grooves, the water leakage grooves are distributed in a linear array at equal intervals along the central axis direction of the lower shell plate, the water leakage grooves and the annular grooves are distributed in a staggered manner, and the water leakage grooves are distributed in a circumferential array at equal intervals in a projection manner on the shell opening surface of the lower shell plate; thus, when the space between the upper shell plate, the lower shell plate and the PVC pipe generates water vapor, the liquefied water vapor can be discharged through the water leakage groove; reach the comparatively dry effect of effectual assurance PVC coupling department environment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a pictorial view of the present invention from a first perspective;

FIG. 2 is an exploded view of the present invention from a second perspective;

FIG. 3 is an exploded view of tubes A and B of the present invention;

FIG. 4 is a partial exploded view of the stop assembly of the present invention;

FIG. 5 is an enlarged view of a band according to the present invention;

FIG. 6 is an exploded view of a first securing assembly of the present invention;

FIG. 7 is an exploded view of two securing assemblies of the present invention;

FIG. 8 is a pictorial view of the upper housing plate at a third viewing angle in accordance with the present invention;

FIG. 9 is a pictorial view of the lower housing plate at a third viewing angle in accordance with the present invention;

FIG. 10 is a pictorial view of the upper housing plate at a fourth viewing angle in accordance with the present invention;

FIG. 11 is a pictorial view of the lower housing plate at a fourth viewing angle in accordance with the present invention;

FIG. 12 is a pictorial view of a lower housing plate of the present invention in partial cross section at a fifth viewing angle;

FIG. 13 is a partial exploded view of the brace, corner stand and anti-skid pad of the present invention;

FIG. 14 is an illustrative view of the invention with portions broken away;

FIG. 15 is a partial cross-sectional view of the upper housing plate of the present invention;

FIG. 16 is an exploded view of area A of FIG. 12;

the reference numerals in the drawings denote: 1-A tube; 2-B pipe; 3-A linker; 4-B linker; 5-upper shell plate; 6-lower shell plate; 7-a flange plate; 8-a support plate; 9-an annular groove; 10-non-newtonian fluid cells; 11-a thermally induced color change coating; 12-corner table; 13-a screw; 14-a spiral groove; 15-sealing ring pad; 16-a first bolt; 17-a first gasket; 18-a first nut; 19-a fin plate; 20-a first via; 21-a second bolt; 22-a second gasket; 23-a second nut; 24-a second via; 25-a sealing pad body; 26-an anti-slip pad body; 27-arc through groove; 28-a cuff; 29-elastic fastening; 30-a water leakage groove; 31-a float; 32-a third nut; 33-a third gasket; 34-an insulating layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The anti-aging protection device for the PVC pipe joint of the embodiment is as follows, with reference to FIGS. 1 to 16: including PVC subassembly, housing subassembly and spacing subassembly.

The PVC subassembly includes detachable sealing connection's A pipe 1 and B pipe 2, and the link of A pipe 1, B pipe 2 is equipped with A joint 3, B that mutually support respectively and connects 4, and the biggest outer loop radius that A connects 3 and B and connects 4 is the same.

All detachably is equipped with the housing subassembly on the body that A pipe 1 and B pipe 2 are in the link, the housing subassembly includes 5 and lower casing 6 through the detachable fixed connection of first fixed subassembly, the one end of 5 and lower casing 6 all is equipped with half annular ring flange 7, the other end of 5 and lower casing 6 of epitheca is equalling the interval be equipped with a set of annular extension board 8 of fan (in this embodiment, extension board 8's quantity is two), epitheca 5 and epitheca 5 in a pair of housing subassembly, all through the detachable fixed connection of second fixed subassembly between 6 and the lower casing 6.

The inner ring side walls of the upper shell plate 5 and the lower shell plate 6 are provided with a group of annular grooves 9 at equal intervals along the central axis direction, the annular grooves 9 are respectively provided with a non-Newtonian fluid bag 10 matched with the annular grooves, and the outer ring side walls of the upper shell plate 5 and the lower shell plate 6 are respectively provided with a heat-induced color-changing coating 11.

Spacing subassembly includes angle platform 12, the subassembly is fixed to screw rod 13 and third, the equal vertically angle platform 12 that is equipped with in 8 outer loop lateral walls middle parts of extension board, the spiral groove 14 that matches with screw rod 13 all runs through on the direction along housing subassembly axis in 12 tops of angle platform, screw rod 13's both ends spiro union is respectively in A pipe 1, in the spiral groove 14 on two angle platforms 12 that B pipe 2 position department corresponds, 13 tip of screw rod is in the both ends that correspond end angle platform 12 and all is equipped with the fixed subassembly of third, stability when assurance screw rod 13 that like this can be fine is fixed.

The A joint 3 and the B joint 4 are installed in an inserting mode, and the outer ring sides of the A joint 3 and the B joint 4 are also provided with matched sealing ring gaskets 15.

The first fixing component comprises a first bolt 16, a first gasket 17 and a first nut 18, and a group of first through holes 20 matched with the first bolt 16 are formed in the fin plates 19 on two sides of the upper shell plate 5 and the lower shell plate 6.

The second fixing assembly comprises a second bolt 21, a second gasket 22 and a second nut 23, a second through hole 24 matched with the second bolt 21 is uniformly formed in the flange plate 7, and a sealing pad body 25 matched with the contact surface of the flange plate 7 is arranged on the contact surface of the flange plate 7, so that the sealing performance of a space area surrounded by two sets of housing assemblies of the PVC pipe joint can be improved, and the PVC pipe joint is prevented from being aged with higher speed due to the direct action of external water vapor and sunlight.

The inner ring side walls of the support plates 8 are provided with anti-skid pad bodies 26 matched with the support plates, so that the tangential stability of the support plates 8 can be improved, the tangential stability of the corner platforms 12 is improved, and the tangential stability of the screw rods 13 is improved; the support plates 8 on the same housing component are all provided with coaxial and same-radius arc-shaped through grooves 27.

Extension board 8 in the same housing subassembly is all through the strap 28 cross-under that matches with arc through groove 27, is equipped with adjustable elasticity on the strap 28 and detains 29, and assurance extension board 8 that like this can be fine radial stability to promote the radial stability of angle platform 12, thereby promote the radial stability of screw 13.

The thermo-sensitive color-changing coating layer 11 is dark in a low temperature state and light in a high temperature state, and the thermo-sensitive color-changing coating layer 11 is black in a low temperature state and white in a high temperature state in this embodiment, and its critical temperature is 30 degrees celsius.

A group of middle-shaped water leakage grooves 30 penetrate through the lower shell plate 6, and floats 31 are arranged in the middle of the water leakage grooves 30.

The distribution rule of the water leakage grooves 30 in the central axis direction of the lower shell plate 6 is a linear array with equal intervals, the water leakage grooves 30 and the annular grooves 9 are distributed in a staggered mode, and the water leakage grooves 30 are distributed in a circumferential array with equal intervals in a projection mode on the shell opening surface of the lower shell plate 6.

The third fixing component comprises a third nut 32 and a third gasket 33, and the inner ring side walls of the upper shell plate 5 and the lower shell plate 6 are both provided with a layer of heat-insulating layer 34.

The working principle is as follows:

the user fits the two housing assemblies and the stop assembly at the PVC fitting, as shown in fig. 1, with the lower housing plate 6 of note vertically directly below the upper housing plate 5.

The screw 13, the corner table 12, the support plate 8 and the strap 28 are matched to ensure that the two sets of housing components are kept in a reliable and stable form, namely, the screw 13 cannot be bent in a radial or tangential direction, so that a PVC pipe surrounded by the housing components cannot be bent in the radial or tangential direction, and finally, the PVC pipe joint is protected from strong external stress; meanwhile, under the protection of the non-Newtonian fluid bag 10, the damage of the PVC pipe under the damage of external impact can be well reduced.

When the ambient temperature is lower, the thermal induction color-changing coating 11 heats and keeps warm for the PVC pipe joint by absorbing the external sunlight, and meanwhile, the heat preservation layer 34 can also effectively preserve heat for the PVC pipe joint.

When the space between the upper shell plate 5, the lower shell plate 6 and the PVC pipe generates water vapor, the liquefied water vapor firstly enters the water leakage groove 30, and the floater 31 rises under the buoyancy of the water, so that the water in the water leakage groove 30 is discharged in time; when the water in the water leakage groove 30 is drained, the float 31 can be used for sealing the water leakage groove 30 again under the action of the self gravity. .

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.