CN211424541U - On-off controller based on NB-IoT (NB-IoT) Internet of things platform - Google Patents
On-off controller based on NB-IoT (NB-IoT) Internet of things platform Download PDFInfo
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- CN211424541U CN211424541U CN201921949968.3U CN201921949968U CN211424541U CN 211424541 U CN211424541 U CN 211424541U CN 201921949968 U CN201921949968 U CN 201921949968U CN 211424541 U CN211424541 U CN 211424541U
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Abstract
The utility model relates to an on-off controller technical field, concretely relates to on-off controller based on NB-IoT thing networking platform, including casing, mount pad, anticreep device down, the anticreep device is including fixed cover, elasticity cartridge assembly, solid fixed ring, nut. The utility model has the advantages that: the on-off controller can reduce the power supply lead wire to a certain extent at least and drop when receiving external force, improves the barrier propterty, and simple structure can not produce great range basically on the manufacturing cost and rise simultaneously, and is easy and simple to handle in addition, and it is more convenient to install and dismantle.
Description
Technical Field
The utility model relates to an on-off controller technical field, concretely relates to on-off controller based on NB-IoT thing networking platform.
Background
The on-off controller is mainly arranged in a shared pipe well and on a household heating pipeline, one end of the on-off controller is connected with the room temperature controller, the other end of the on-off controller is connected with the acquisition calculator, signals of the indoor temperature controller can be received, the household heating water quantity is controlled through the full-on and full-off actions of the valve, the on-off time of the valve can be transmitted and recorded in a communication mode, and the on-off controller is widely applied to an on-off time area heating metering system.
The electronic element inside the on-off controller is connected with the external device in a connecting mode mainly through a power supply lead, namely, the external device is connected with one end of the power supply lead, the other end of the power supply lead penetrates into the lower shell of the on-off controller and is connected with the electronic element inside the on-off controller, because the power supply lead is not clamped on the on-off controller, when the power supply lead is subjected to external force, the power supply lead is easily pulled out of the lower shell, so that the connection cannot be realized, in the prior art, some on-off controllers are provided with nylon clamping sleeves to clamp the power supply lead, but the clamping force is small, and the falling is easily caused under the action of the external force, so that the improvement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide an on-off controller based on NB-IoT thing networking platform, it can realize at least to a certain extent can reduce the phenomenon that the power lead wire drops from casing down.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
an on-off controller based on an NB-IoT (NB-IoT) Internet of things platform comprises a lower shell and a mounting seat of the on-off controller, wherein the mounting seat is provided with four screw mounting holes, the lower shell is provided with two cable penetrating holes in the form of through holes, the on-off controller further comprises two anti-disengaging devices, each anti-disengaging device comprises a fixed sleeve, an elastic chuck component, a fixed ring and a screw cap, the fixed sleeve is fixedly connected on the outer wall of the lower shell and is coaxial with the cable penetrating holes, a through hole is coaxially arranged on the fixed sleeve, the elastic chuck component comprises a cylindrical section and a circular table section which are coaxially arranged, the cylindrical section is inserted in the through hole in a sliding fit manner, a clamping groove with a tapered section is correspondingly and coaxially arranged in the fixed sleeve, the inner wall of the clamping groove is matched with the shape of the circular table section and is used for the sliding fit and clamping of the circular table section, the elastic chuck component is coaxially provided with a clamping hole which is communicated, the nut thread sleeve is sleeved on the fixing sleeve, a through hole is formed in the nut thread sleeve, the avoiding hole is coaxial with the clamping hole, the fixing ring is coaxially arranged on the nut and abuts against the end face of the round section shaft, and when the nut is screwed on the fixing sleeve, the fixing ring is driven to abut against the end face of the round section shaft.
Furthermore, an arc-shaped process groove communicated with the notch is formed in the column section.
Further, the column section and the circular truncated cone section are integrally formed.
Further, the resilient cartridge assembly is made of spring steel material.
Furthermore, a plurality of anti-skid protrusions are arranged on the circumferential surface of the nut.
The utility model has the advantages that: the anti-falling device is arranged, an external power lead (single wire) penetrates into the cable penetrating hole from the avoiding hole on the nut and the clamping hole on the elastic chuck component to be connected with an electronic element in the lower shell, the nut is screwed on the fixing sleeve, the fixing sleeve is driven to abut against the shaft end surface of the circular truncated cone section through screw thread screwing force, and the circular truncated cone section is driven to move in the clamping groove of the fixing sleeve towards the direction close to the lower shell, because the circular truncated cone section is matched with the inner wall of the clamping groove in a matching and sliding manner, and meanwhile, a plurality of notches are arranged on the circular truncated cone section, the circular truncated cone section has elastic contraction, and the power lead is clamped by the inner wall of the clamping hole through the elastic contraction, so that the power lead can have the anti-falling effect to at least a certain degree, and the phenomenon that the power lead falls off when being subjected to external force is reduced, in conclusion, the on-off controller of the, the production drops, improves barrier propterty, and simple structure simultaneously can not produce great range basically on the manufacturing cost and rise, and easy and simple to handle in addition, installation and dismantlement are more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the perspective structure of FIG. 1;
fig. 3 is a schematic view of the three-dimensional structure of the fixing sleeve of the present invention;
fig. 4 is a schematic perspective view of the elastic chuck assembly of the present invention;
FIG. 5 is a schematic perspective view of the nut of the present invention;
the reference numerals are explained below:
1-lower shell, 2-mounting seat, 3-screw mounting hole, 4-cable through hole, 5-fixing sleeve, 6-fixing ring, 7-nut, 8-through hole, 9-column section, 10-circular platform section, 11-clamping groove, 12-clamping hole, 13-notch and 14-avoidance hole.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-5, the on-off controller based on NB-IoT internet of things platform comprises a lower casing 1 and a mounting base 2 of the on-off controller connected with an external controller through the NB-IoT internet of things platform, four corners of the mounting base 2 are respectively provided with screw mounting holes 3, external bolts/screws are used to pass through the screw mounting holes 3, the mounting base 2 is mounted on an external wall or other vertical placement surface, the lower casing 1 is provided with two cable through holes 4 in the form of through holes, power leads are inserted into the lower casing 1 through the cable through holes 4 and connected with electronic elements, in order to prevent the power leads from falling off from the lower casing 1, the outer wall of the lower casing 1 is further provided with two anti-falling devices corresponding to the two cable through holes 4, the anti-falling devices comprise a fixed sleeve 5, an elastic chuck component, a fixed ring 6 and a nut 7, the fixing sleeve 5 is fixedly connected on the outer wall of the lower shell 1 and is coaxial with the cable through hole 4, a through hole 8 is coaxially arranged on the fixing sleeve, the elastic chuck component comprises a column section 9 and a round platform section 10 which are coaxially arranged, the column section 9 is inserted into the through hole 8 in a sliding fit manner, a clamping groove 11 which is matched with the round platform section 10 in shape and used for clamping the round platform section 10 in a sliding fit manner and has a tapered cross section is coaxially arranged in the corresponding fixing sleeve 5, a clamping hole 12 which is communicated with the through hole 8 and is in a through hole manner is coaxially arranged on the elastic chuck component, a plurality of notches 13 extending to the column section 9 are arranged on the peripheral surface of the round platform section 10 along the axial direction of the peripheral surface of the round platform section, an arc-shaped process groove communicated with the notches 13 is arranged on the column section 9, the process groove enables the round platform section 10 to have larger elastic expansion and contraction amplitude, and the column, so on the one hand be convenient for the manufacturing and processing of elasticity chuck subassembly, on the other hand has also made things convenient for its installation and dismantlement, preferably, the elasticity chuck subassembly is made by spring steel matter, and elasticity expand, the contractility of round platform section 10 is better in the elasticity chuck subassembly like this, nut 7 screw thread suit is on fixed cover 5, and corresponding be equipped with the external screw thread that matches with nut 7 on the fixed cover 5, drive be equipped with the through-hole form on the nut 7 and with the coaxial hole 14 of dodging of centre gripping hole 12, fixed ring 6 coaxial locate on nut 7 and offset with round platform section 10 shaft end, nut 7 when screw thread spiral on fixed cover 5, drive fixed ring 6 is supported round platform section 10 shaft end face, here, it needs to notice that nut 7 must be threaded connection with fixed cover 5, because need to close with the screw thread of fixed cover 5 through nut 7, come solid fixed ring 6 and constantly support tight round platform section 10, make round platform section 10 can constantly shrink like this, carry out the centre gripping to the power lead wire, in addition be equipped with a plurality of non-slip raised on the nut 7 is global, and the non-slip raised staff of being convenient for rotates nut 7, reduces to skid, makes nut 7 rotate more easily.
The utility model discloses when using: the hole is dodged on by the nut to outside power supply lead (single line), centre gripping hole on the elasticity chuck subassembly is worn into and is worn the cable hole and be connected with the inside electronic component of lower casing, the rethread nut is sheathe in the fixed screw thread and is closed soon, through screw thread rotary force, drive solid fixed ring support round platform section axial end face, and drive round platform section in the draw-in groove of fixed cover, the direction that moves towards the lower casing, because round platform section appearance and draw-in groove inner wall adaptation and sliding fit, be equipped with a plurality of breachs on the round platform section simultaneously, the round platform section has elastic shrinkage this moment, and then make centre gripping hole inner wall produce the shrink, thereby press from both sides tightly power supply lead, the tight degree of clamp is judged according to technical common knowledge of technical staff in the field, after pressing from both sides tight operation, again be connected power supply lead.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides an on-off controller based on NB-IoT thing networking platform, includes lower casing (1) and mount pad (2) of on-off controller, be equipped with four screw mounting hole (3) on mount pad (2), be equipped with cable hole (4) of two through-hole forms on casing (1) down, its characterized in that still includes two anticreep devices, the anticreep device includes fixed cover (5), elastic chuck subassembly, solid fixed ring (6), nut (7), fixed cover (5) rigid coupling just is coaxial with cable hole (4) on casing (1) outer wall down, and coaxial a through-hole (8) of being equipped with on it, elastic chuck subassembly includes cylindrical section (9), round platform section (10) of coaxial setting, cylindrical section (9) sliding fit interpolation is in through-hole (8), and the corresponding coaxial inner wall and the adaptation of round platform section (10) appearance are equipped with in fixed cover (5), And supply draw-in groove (11) that the tapered, cross-section of round platform section (10) sliding fit block, the coaxial centre gripping hole (12) that is equipped with one and through-hole (8) intercommunication, through-hole form on the elasticity cartridge assembly, round platform section (10) are global to be opened along its axial array has a plurality of breach (13) that extend to on column segment (9), nut (7) screw thread suit is on fixed cover (5), be equipped with the through-hole form on it and with centre gripping hole (12) coaxial hole (14) of dodging, gu fixed ring (6) coaxial locate on nut (7) and offset with round platform section (10) shaft end face, nut (7) screw thread when fixed cover (5) were gone up, the drive gu fixed ring (6) support and push up round platform section (10) shaft end face.
2. The NB-IoT Internet of things platform-based on-off controller as claimed in claim 1 wherein the column section (9) is provided with an arc-shaped process groove communicated with the notch (13).
3. The NB-IoT IOT platform-based on-off controller according to claim 1, wherein the pole section (9) is integrally formed with the circular truncated cone section (10).
4. The NB-IoT Internet of things platform-based on-off controller of claim 1, wherein the resilient cartridge assembly is made of spring steel material.
5. The NB-IoT IOT platform-based on-off controller according to claim 1, wherein the nut (7) is provided with a plurality of anti-slip protrusions on its circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949968.3U CN211424541U (en) | 2019-11-12 | 2019-11-12 | On-off controller based on NB-IoT (NB-IoT) Internet of things platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949968.3U CN211424541U (en) | 2019-11-12 | 2019-11-12 | On-off controller based on NB-IoT (NB-IoT) Internet of things platform |
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| Publication Number | Publication Date |
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| CN211424541U true CN211424541U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921949968.3U Active CN211424541U (en) | 2019-11-12 | 2019-11-12 | On-off controller based on NB-IoT (NB-IoT) Internet of things platform |
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| CN (1) | CN211424541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792670A (en) * | 2021-01-29 | 2021-05-14 | 王子东 | Laboratory is with physics grinding device |
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2019
- 2019-11-12 CN CN201921949968.3U patent/CN211424541U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792670A (en) * | 2021-01-29 | 2021-05-14 | 王子东 | Laboratory is with physics grinding device |
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