CN116296037A

CN116296037A - Pressure detection equipment is used in electric power pot production

Info

Publication number: CN116296037A
Application number: CN202310363038.4A
Authority: CN
Inventors: 黄珏皓; 黄后君
Original assignee: Zhongshan Jinguang Household Appliances Manufacture Co ltd
Current assignee: Zhongshan Jinguang Household Appliances Manufacture Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-06-23

Abstract

The invention relates to the field of electric cooker accessory detection, in particular to pressure detection equipment for electric cooker production. Technical problems: the existing pressure detection mode of the electric cooker is single, and the scene of the electric cooker in specific use cannot be simulated. The technical scheme is as follows: the pressure detection equipment for the production of the electric cooker comprises a detection cylinder, a pressure gauge and the like; the detection cylinder is connected with a pressure gauge. The invention realizes the detection of the pressure release valve and the pressure of the electric cooker after the electric cooker is produced and assembled, adopts a toggle mode to simulate the situation that the pressure release valve rotates, then detects the pressure of the electric cooker, simulates the situation that the pressure release valve is totally blocked and locally blocked, simultaneously detects the pressure of the electric cooker after the pressure release valve is separated from the electric cooker, detects the pressure of the electric cooker under various conditions, and judges whether the electric cooker and the pressure release valve are qualified according to the detected data, thereby expanding the detection range and improving the detection quality.

Description

Pressure detection equipment is used in electric power pot production

Technical Field

The invention relates to the field of electric cooker accessory detection, in particular to pressure detection equipment for electric cooker production.

Background

With the development of economy and the continuous improvement of living standard of people, the pressure cooker has become a common cooking device in people's life. Pressure cookers are generally divided into two categories. One type is a traditional pressure cooker heated by open fire; another type is an electric cooker heated by electric energy, and because the electric cooker can realize automatic control of a cooking program, the electric cooker is more convenient to use compared with an open fire heating pressure cooker, and is favored by consumers.

In the prior art, after the electric cooker is produced and assembled, the pressure of the electric cooker needs to be detected, and the existing pressure detection mode of the electric cooker is as follows: the electric cooker is filled with water in an electric cooker liner, the electric cooker is electrified and operated, then the pressure relief valve is taken down from the electric cooker and is fixed on an air outlet hole of the electric cooker through the pressure gauge, and the pressure of the electric cooker is detected, but the detection mode cannot be combined with the scene of the electric cooker in specific use, such as shaking of the pressure relief valve in use and blocking of the pressure relief valve by food residues, wherein the situation that the pressure relief valve is blocked by the food residues is two, namely, local blocking and total blocking, and the situation that the pressure relief valve is damaged is also present, so that the existing detection data is incomplete, and the quality of the electric cooker cannot meet the use requirement.

Disclosure of Invention

The invention provides pressure detection equipment for electric power cooker production, which aims to overcome the defect that the existing pressure detection mode of an electric power cooker is single and cannot simulate the scene of the electric power cooker in specific use.

The technical proposal is as follows: the pressure detection equipment for the production of the electric cooker comprises a detection cylinder, a pressure gauge and a first sucker; the detection cylinder is connected with a pressure gauge for detecting the pressure value, the air tightness detector is arranged in the detection cylinder, and two sliding grooves are formed in the outer surface of the detection cylinder; the detection cylinder is provided with a first sucker for attaching the electric cooker cover; the device also comprises a sealing system, a lifting assembly, a power assembly, a second sucker, a first electric push rod and a clamping system; the detection cylinder is connected with a sealing system; the sealing system is connected with the first sucker; the detection cylinder is connected with a lifting assembly; the detection cylinder is connected with a power assembly; the power assembly is connected with the lifting assembly, and the lifting assembly drives the components of the power assembly to move up and down; the power assembly is connected with two second suckers for blocking the pressure release valve; each second sucker is provided with two first electric push rods for limiting the pressure release valve; the detection cylinder and the power assembly are connected with a clamping system.

As the improvement of above-mentioned scheme, wear to be equipped with the intake pipe on the detection section of thick bamboo, be provided with the check valve on the intake pipe, the intake pipe is used for clearing up and detects the interior vapor of section of thick bamboo.

As an improvement of the above scheme, an annular groove is provided on the outer surface of the first suction cup.

As an improvement of the scheme, the second sucker is made of silica gel material and is arranged to be of a semicircular structure.

As an improvement of the scheme, a limiting ball made of rubber is arranged at the telescopic end of the first electric push rod.

As an improvement of the scheme, the sealing system comprises a mounting plate, a second electric push rod, a connecting plate, an elastic piece and a limiting ring; a mounting plate is arranged above the pressure gauge; the lower part of the mounting plate is fixedly connected with two second electric push rods; two sliding grooves formed in the detection cylinder are respectively connected with a connecting plate in a sliding manner; the telescopic ends of the two second electric push rods are fixedly connected with a connecting plate respectively; two elastic pieces are fixedly connected in two sliding grooves formed in the detection cylinder respectively; two elastic pieces on the same side are fixedly connected with a connecting plate; the outer surface of the first sucker is fixedly connected with a limiting ring; the two connecting plates are fixedly connected with the limiting ring together.

As an improvement of the scheme, the power assembly comprises a connecting rod, a first gear, a motor and a second gear; the lower part of the lifting assembly is rotationally connected with a connecting rod; the outer surface of the connecting rod is fixedly connected with a first gear; the outer surface of the detection cylinder is fixedly connected with a motor; the output shaft of the motor is fixedly connected with a second gear; the second gear is driven by the first gear.

As an improvement of the scheme, the clamping system comprises a fourth electric push rod, a telescopic plate, a limiting rod, a limiting block and a limiting plate; the outer surface of the detection cylinder is fixedly connected with three fourth electric push rods arranged in an annular array; the telescopic ends of the three fourth electric push rods penetrate into the detection cylinder and are fixedly connected with a telescopic plate respectively; the opposite sides of the three expansion plates are fixedly connected with a limiting rod respectively; the lower parts of the three limiting rods are fixedly connected with a limiting block respectively; the lower part of the first gear is fixedly connected with three limit plates arranged in an annular array; the limiting plate is contacted with the limiting rod.

As the improvement of above-mentioned scheme, the medial surface setting of stopper is arc structure, increase and relief valve's area of contact.

As an improvement of the scheme, the limiting plate is of a gradual change arc-shaped structure gradually approaching to the axis of the first gear in the clockwise direction from top to bottom.

The invention has the following advantages: the invention realizes the detection of the pressure release valve and the pressure of the electric cooker after the electric cooker is produced and assembled, adopts a toggle mode to simulate the situation that the pressure release valve rotates, then detects the pressure of the electric cooker, simulates the situation that the pressure release valve is totally blocked and locally blocked, simultaneously detects the pressure of the electric cooker after the pressure release valve is separated from the electric cooker, detects the pressure of the electric cooker under various conditions, and judges whether the electric cooker and the pressure release valve are qualified according to the detected data, thereby expanding the detection range and improving the detection quality.

Drawings

FIG. 1 is a schematic diagram of a pressure detecting apparatus for electric power boiler production according to the present invention;

FIG. 2 is an enlarged view of area A of the pressure detecting apparatus for electric power boiler production of the present invention;

FIG. 3 is a schematic view showing a first combined structure of a lifting assembly and a power assembly of the pressure detecting apparatus for electric cooker production of the present invention;

FIG. 4 is a schematic view of a second combined structure of a lifting assembly and a power assembly of the pressure detecting device for electric cooker production of the present invention;

FIG. 5 is a schematic view showing a first configuration of a clamping system of the pressure detecting apparatus for electric power boiler production of the present invention;

FIG. 6 is a schematic view showing a second configuration of a clamping system of the pressure detecting apparatus for electric power boiler production of the present invention;

FIG. 7 is an enlarged view of region B of the clamping system of the pressure sensing apparatus for electric kettle production of the present invention;

fig. 8 is a schematic view showing a partial structure of a clamping system of the pressure detecting apparatus for electric power boiler production of the present invention.

Reference numerals in the figures: the device comprises a 1-detection cylinder, a 2-pressure gauge, a 3-first sucker, a 4-second sucker, a 5-first electric push rod, a 6-air inlet pipe, a 101-mounting plate, a 102-second electric push rod, a 103-connecting plate, a 104-elastic piece, a 105-limiting ring, a 401-third electric push rod, a 402-connecting shaft, a 403-connecting rod, a 404-first gear, a 405-motor, a 406-second gear, a 501-fourth electric push rod, a 502-expansion plate, a 503-limiting rod, a 504-limiting block and a 505-limiting plate.

Detailed Description

The following describes the technical scheme with reference to specific embodiments, and it should be noted that: terms indicating orientations, such as up, down, left, right, etc., are used herein only with respect to the position of the illustrated structure in the corresponding drawings. The parts themselves are numbered herein, for example: first, second, etc. are used solely to distinguish between the described objects and do not have any sequential or technical meaning. And the application is said to be as follows: connection, coupling, unless specifically stated otherwise, includes both direct and indirect connection (coupling).

Example 1

The pressure detection equipment for electric cooker production, as shown in figures 1-4, comprises a detection cylinder 1, a pressure gauge 2 and a first sucker 3; the upper part of the detection cylinder 1 is connected with a pressure gauge 2 through bolts, an air tightness detector is arranged in the detection cylinder 1, and two sliding grooves are formed in the outer surface of the detection cylinder 1; the lower surface of the detection cylinder 1 is fixedly connected with a first sucker 3; the outer surface of the first sucker 3 is provided with an annular groove, so that a deformation space is provided for the edge of the first sucker 3, and the extrusion effect on the sealing system in the operation process is improved;

the device also comprises a sealing system, a lifting assembly, a power assembly, a second sucker 4, a first electric push rod 5, an air inlet pipe 6 and a clamping system; the detection cylinder 1 is connected with a sealing system; the sealing system is connected with the first sucker 3; the upper wall in the detection cylinder 1 is connected with a lifting component; the detection cylinder 1 is connected with a power component; the power assembly is connected with the lifting assembly, and the lifting assembly drives the components of the power assembly to move up and down; the middle part of the power assembly is connected with two symmetrically arranged second suckers 4; the second sucker 4 is made of silica gel material and is arranged in a semicircular structure and is used for simulating the corresponding situation when the electric cooker is used; each second sucker 4 is respectively provided with two symmetrically arranged first electric push rods 5 in a penetrating way; a limiting ball made of rubber is arranged on the telescopic end of the first electric push rod 5, and the surface of the limiting ball is rough and is used for increasing friction force; the detection cylinder 1 and the power component are connected with a clamping system together; the detection cylinder 1 is provided with an air inlet pipe 6 in a penetrating way, and the air inlet pipe 6 is provided with a one-way valve.

The sealing system comprises a mounting plate 101, a second electric push rod 102, a connecting plate 103, an elastic piece 104 and a limiting ring 105; a mounting plate 101 is arranged above the pressure gauge 2; the lower part of the mounting plate 101 is connected with two second electric push rods 102 which are symmetrically arranged through bolts; a connecting plate 103 is respectively connected in two sliding grooves formed in the detection cylinder 1 in a sliding manner; the telescopic ends of the two second electric push rods 102 are fixedly connected with a connecting plate 103 respectively; two elastic pieces 104 are fixedly connected in two sliding grooves formed in the detection cylinder 1 respectively; two elastic pieces 104 on the same side are fixedly connected with one connecting plate 103; the outer surface of the first sucker 3 is embedded with a limiting ring 105; the two connecting plates 103 are fixedly connected with the limiting ring 105 together.

The lifting assembly comprises a third electric push rod 401 and a connecting shaft 402; the inner upper wall of the detection cylinder 1 is connected with two third electric push rods 401 which are symmetrically arranged through bolts; the telescopic ends of the two third electric push rods 401 are fixedly connected with a connecting shaft 402.

The power assembly comprises a connecting rod 403, a first gear 404, a motor 405 and a second gear 406; a connecting rod 403 is rotatably connected to the lower part of the connecting shaft 402; the outer surface of the connecting rod 403 is fixedly connected with a first gear 404; the outer surface of the detection cylinder 1 is connected with a motor 405 through bolts; a second gear 406 is fixedly connected to the output shaft of the motor 405; the second gear 406 is driven in cooperation with the first gear 404.

Firstly, a worker uses bolts to install pressure detection equipment for electric cooker production right above a conveyer belt for conveying an electric cooker, then electrifies to control the pressure detection equipment for electric cooker production to run and debug, then controls peripheral conveying equipment to drive the electric cooker to move into the running range of the pressure detection equipment for electric cooker production, then the worker inserts the electric cooker to be detected into a power supply, controls the electric cooker to run, enables the pressure in the electric cooker to rise, then controls a second electric push rod 102 to push a connecting plate 103 to move downwards, the connecting plate 103 drives parts connected with the connecting plate to move downwards, namely the connecting plate 103 drives an elastic piece 104 and a limiting ring 105 to move downwards, the limiting ring 105 drives a first sucker 3 to move downwards to be close to and fit with the surface of the electric cooker, a pressure relief valve on the electric cooker enters the detection cylinder 1, and then controls the second electric push rod 102 to further push the connecting plate 103; the connecting plate 103 slides downwards in a chute formed on the detection cylinder 1 and compresses the elastic piece 104; meanwhile, the connecting plate 103 drives the limiting ring 105 to move downwards to press the first sucker 3, so that the first sucker 3 is tightly attached to the surface of the electric cooker, then an airtight detector arranged in the detection cylinder 1 is controlled to operate, the airtight in the space blocked by the first sucker 3 and the detection cylinder 1 is detected, when the airtight detector alarms, namely, a gap exists in the space blocked by the first sucker 3 and the detection cylinder 1, then the air tightness detector is manually controlled to reset and wipe the lower surface of the first sucker 3 and the surface of the electric cooker cover, so that impurities on the lower surface of the first sucker 3 and the surface of the electric cooker cover are cleaned, and the accuracy of detection data is ensured; then the third electric push rod 401 pushes the connecting shaft 402 to move downwards, the connecting shaft 402 drives the connecting rod 403 to move downwards, the connecting rod 403 drives the first gear 404 to move downwards, the first gear 404 is meshed with the second gear 406, in the process, the connecting rod 403 drives the second sucker 4 and the first electric push rod 5 to move downwards to be close to the pressure release valve, then one first electric push rod 5 is controlled to push the rubber ball connected with the connecting rod to move downwards to be close to and contact the pressure release valve, the rubber ball on the first electric push rod 5 is enabled to limit the pressure release valve, then the motor 405 is controlled to drive the second gear 406 to rotate, namely the second gear 406 is driven to rotate anticlockwise from the top-down view angle, the second gear 406 drives the first gear 404 to rotate, namely the first gear 404 is driven to rotate clockwise from the top-down view angle, the first gear 404 drives the connecting rod 403 to rotate, the connecting rod 403 drives the second sucker 4 and the first electric push rod 5 to rotate, the rubber ball on the first electric push rod 5 drives the limited pressure release valve to rotate so as to simulate the situation that the pressure release valve rotates in the using process of the electric cooker, so as to judge the pressure of the electric cooker in the situation, then the motor 405 is controlled to stop running, then the first electric push rod 5 is controlled to shrink so as to drive the rubber ball connected with the first electric push rod to shrink into the second sucker 4, then the third electric push rod 401 is controlled to further push the connecting shaft 402 to move downwards, the connecting shaft 402 drives the connecting rod 403 to move downwards, the connecting rod 403 drives the second sucker 4 to move downwards so as to fit the pressure release valve, so as to seal the pressure release valve, so as to simulate whether the connecting position of the pressure release valve leaks after the pressure release valve of the electric cooker is blocked, so as to judge whether the pressure release valve is damaged, then the two corresponding first electric push rods 5 on the left or right are controlled to push the rubber ball connected with the connecting shaft, make the rubber ball contact the relief valve, then under the further promotion of first electric putter 5, second sucking disc 4 that corresponds is jacked, make the gap appear between second sucking disc 4 and the relief valve, with the scene of simulating the local jam of relief valve, with judging whether pressure size and electric cooker can normal operating after the local jam of relief valve, above detection data all obtain through reading the numerical value on the manometer 2, and judge whether it accords with the requirement with rated value contrast, the staff uses external pump machine to connect intake pipe 6 after accomplishing the detection, and let in gas in to detecting section of thick bamboo 1 through external pump machine, in order to clear up the vapor that detects in the section of thick bamboo 1.

Example 2

On the basis of the above embodiment, as shown in fig. 5-8, the clamping system includes a fourth electric push rod 501, a telescopic plate 502, a limiting rod 503, a limiting block 504 and a limiting plate 505; the outer surface of the detection cylinder 1 is connected with three fourth electric push rods 501 in annular array; the telescopic ends of the three fourth electric push rods 501 penetrate into the detection cylinder 1 and are fixedly connected with a telescopic plate 502 respectively; a limiting rod 503 is fixedly connected to the opposite sides of the three expansion plates 502 respectively; the lower parts of the three limiting rods 503 are fixedly connected with a limiting block 504 respectively; the inner side surface of the limiting block 504 is provided with an arc-shaped structure, so that the contact area with the pressure release valve is increased, and the surface of the limiting block is rough and is used for increasing friction force; the lower part of the first gear 404 is fixedly connected with three limiting plates 505 arranged in an annular array; the limiting plate 505 is in a gradual arc structure gradually approaching to the axis of the first gear 404 in a clockwise direction from the top to the bottom; the stopper plate 505 is in contact with the stopper rod 503.

After the use of the simulated relief valve is completed, the motor 405 is controlled to drive the second gear 406 to rotate, namely, the second gear 406 is driven to rotate clockwise from the top down view, the second gear 406 drives the first gear 404 to rotate, namely, the first gear 404 is driven to rotate anticlockwise from the top down view, the first gear 404 drives the limiting plate 505 to rotate anticlockwise, in the process, the limiting plate 505 extrudes the limiting rod 503 to force the limiting rod 503 to move in the inner cambered surface of the limiting plate 505, so that the limiting rod 503 approaches the relief valve, meanwhile, the limiting rod 503 stretches the corresponding telescopic plate 502 to enable the limiting block 504 to approach the relief valve and gradually attach to the relief valve, so as to clamp and fix the relief valve, then the fourth electric push rod 501 is controlled to shrink to drive the telescopic plate 502 to move upwards, the expansion plate 502 drives the components connected with the expansion plate to move upwards, namely the expansion plate 502 drives the limiting rod 503 and the limiting block 504 to move upwards, the limiting block 504 drives the pressure relief valve clamped and fixed to move upwards, the third electric push rod 401 is controlled to shrink simultaneously, the third electric push rod 401 drives the connecting shaft 402 to move upwards, the connecting shaft 402 drives the connecting rod 403 to move upwards, the connecting rod 403 drives the first gear 404 to move upwards, the first gear 404 drives the limiting plate 505 to move upwards so as to match with the pressure relief valve clamped and fixed to move upwards, the pressure relief valve is separated from the electric cooker, whether the specific pressure value of the electric cooker meets the standard or not is judged, and in the process, the value on the pressure gauge 2 is read and compared with the rated value to judge whether the pressure value meets the requirement or not.

In the process of detecting the pressure release valve, when simulating the rotating situation of the pressure release valve: when the rubber ball on the first electric push rod 5 drives the pressure release valve to rotate, the first gear 404 drives the limiting plate 505 to rotate at the same time, namely, the limiting plate 505 is driven to rotate clockwise from the top down view, meanwhile, the limiting plate 505 extrudes the limiting rod 503 to force the limiting rod 503 to be attached to the outer surface of the limiting plate 505, in the process, the pressure release valve is limited by the limiting block 504, and the overlarge swing amplitude of the pressure release valve during rotation is avoided; when simulating the situation of the blockage of the pressure relief valve: before the second sucker 4 is attached to the sealing relief valve, the motor 405 is controlled to drive the second gear 406 to rotate clockwise, the second gear 406 drives the first gear 404 to rotate anticlockwise, the first gear 404 drives the limiting plate 505 to rotate and squeeze the limiting rod 503, the limiting rod 503 is forced to be attached to the intrados of the limiting plate 505 to move, and then the limiting rod 503 drives the limiting block 504 to approach and limit the relief valve, so that the relief valve is prevented from shifting in the blocking process of the second sucker 4.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The pressure detection device for the production of the electric cooker is characterized by comprising a detection cylinder (1), a pressure gauge (2) and a first sucker (3); the detection cylinder (1) is connected with a pressure gauge (2) for detecting the pressure value, the air tightness detector is arranged in the detection cylinder (1), and two sliding grooves are formed in the outer surface of the detection cylinder (1); a first sucker (3) for attaching the electric cooker cover is arranged on the detection cylinder (1); the device also comprises a sealing system, a lifting assembly, a power assembly, a second sucker (4), a first electric push rod (5) and a clamping system; the detection cylinder (1) is connected with a sealing system; the sealing system is connected with the first sucker (3); the detection cylinder (1) is connected with a lifting assembly; the detection cylinder (1) is connected with a power assembly; the power assembly is connected with the lifting assembly, and the lifting assembly drives the components of the power assembly to move up and down; the power assembly is connected with two second suckers (4) for blocking the pressure release valve; each second sucker (4) is provided with two first electric push rods (5) for limiting the pressure release valve; the detection cylinder (1) and the power assembly are connected with a clamping system.

2. The pressure detection device for electric cooker production according to claim 1, characterized in that the detection cylinder (1) is provided with an air inlet pipe (6) in a penetrating way, the air inlet pipe (6) is provided with a one-way valve, and the air inlet pipe (6) is used for cleaning water vapor in the detection cylinder (1).

3. Pressure detection device for electric cooker production according to claim 1, characterized in that the outer surface of the first suction cup (3) is provided with an annular groove.

4. Pressure detection device for electric cooker production according to claim 1, characterized in that the second suction cup (4) is provided as a silicone material and is provided in a semicircular structure.

5. The pressure detection device for electric cooker production according to claim 1, characterized in that a limit ball made of rubber is arranged on the telescopic end of the first electric push rod (5).

6. The pressure detection device for electric cooker production according to claim 1, wherein the sealing system comprises a mounting plate (101), a second electric push rod (102), a connecting plate (103), an elastic piece (104) and a limiting ring (105); a mounting plate (101) is arranged above the pressure gauge (2); the lower part of the mounting plate (101) is fixedly connected with two second electric push rods (102); a connecting plate (103) is connected in each of two sliding grooves formed in the detection cylinder (1) in a sliding manner; the telescopic ends of the two second electric push rods (102) are fixedly connected with a connecting plate (103) respectively; two elastic pieces (104) are fixedly connected in two sliding grooves formed in the detection cylinder (1); two elastic pieces (104) on the same side are fixedly connected with a connecting plate (103); the outer surface of the first sucker (3) is fixedly connected with a limiting ring (105); the two connecting plates (103) are fixedly connected with the limiting ring (105) together.

7. The pressure detection device for electric cooker production according to claim 1, wherein the power assembly comprises a connecting rod (403), a first gear (404), a motor (405) and a second gear (406); the lower part of the lifting assembly is rotatably connected with a connecting rod (403); the outer surface of the connecting rod (403) is fixedly connected with a first gear (404); the outer surface of the detection cylinder (1) is fixedly connected with a motor (405); a second gear (406) is fixedly connected to the output shaft of the motor (405); the second gear (406) is in fit transmission with the first gear (404).

8. The pressure detection device for electric cooker production according to claim 7, wherein the clamping system comprises a fourth electric push rod (501), a telescopic plate (502), a limiting rod (503), a limiting block (504) and a limiting plate (505); the outer surface of the detection cylinder (1) is fixedly connected with three fourth electric push rods (501) which are arranged in an annular array; the telescopic ends of the three fourth electric push rods (501) penetrate into the detection cylinder (1) and are fixedly connected with a telescopic plate (502) respectively; a limiting rod (503) is fixedly connected to the opposite sides of the three expansion plates (502); the lower parts of the three limiting rods (503) are fixedly connected with a limiting block (504) respectively; the lower part of the first gear (404) is fixedly connected with three limit plates (505) arranged in an annular array; the limit plate (505) is in contact with the limit rod (503).

9. The pressure detection device for electric cooker production according to claim 8, wherein the inner side surface of the limiting block (504) is provided with an arc-shaped structure, so that the contact area with the pressure release valve is increased.

10. The pressure detecting apparatus for electric power boiler production according to claim 8, wherein the limiting plate (505) has a gradually changing arc-shaped structure gradually approaching the axis of the first gear (404) in a clockwise direction from the top down view.