CN220550514U - Drainage gate with guide way desilting function - Google Patents

Abstract

The utility model discloses a drainage gate with a guide groove silt removing function, belonging to the technical field of drainage canal gates, and aiming at solving the problems that when an existing drainage canal is used, impurities in redundant irrigation water can be continuously accumulated in the guide groove, and are concentrated along with repeated pressing of a gate main body, and finally silt is easily formed at the bottom of the guide groove, so that a gap is formed between the gate main body and a limiting frame bottom when the gate main body is closed, and a water leakage failure is caused to a gate structure.

Description

Drainage gate with guide way desilting function

Technical Field

The utility model belongs to the technical field of drainage canal gates, and particularly relates to a drainage gate with a guide groove silt removing function.

Background

The drainage canal is important component in the agricultural hydraulic engineering, when irrigation water is too much, the irrigation water that soil has not absorbed can discharge along the drainage canal, can all set up gate structure in the drainage canal and control the break-make of drainage canal, gate structure includes gate main part and spacing frame under the general condition, the both sides of spacing frame are equipped with the guide way, can carry out spacing to the gate through the guide way, guarantee that gate main part can accurately slide vertically, but the drainage canal is in the use, unnecessary irrigation water often can have impurity such as sand and plant stem leaf when discharging, these impurity are in the guide way of along with the rivers motion is accumulated in the guide way of spacing frame both sides easily, along with the frequent use of drainage canal these impurity can constantly accumulate in the guide way, and along with the repeated depression of gate main part makes impurity concentrate, finally be easy to form the scale in the tank bottom of guide way, if not clear up it in time, can make gate main part and spacing frame at the bottom produce the clearance, the condition that leads to leaking takes place, and many automatic farmland ditch sets up and keeps away from people, drain channel setting distance, drain channel is long enough in the guide way to drain gate is that a dry and can be carried out a guide way to the drain channel is a drain channel that can normally researched and developed for the drain, and has a drain channel is more complicated to remove the drain channel that can normally has the drain channel to remove the drain that is researched and has a drain channel that is developed for the gate, the drain channel that is more has a drain channel that is normally

Disclosure of Invention

The utility model aims to solve the problems that when the existing drainage canal is used, impurities in redundant irrigation water can be continuously accumulated in a guide groove, and the impurities are concentrated along with repeated pressing of a gate main body, so that dirt is formed at the bottom of the guide groove, a gap is formed between the gate main body and the bottom of a limit frame when the gate main body is closed, and the gate structure is in water leakage failure, and further provides a drainage gate with the guide groove dirt removal function;

the utility model provides a water drainage gate with guide way desilting function, water drainage gate includes spacing frame, water drainage gate still includes gate unit, cistern lid, hydraulic pump, flexible coupling hose, power supply box lid, battery and four push rod motors, spacing frame sets up in the water drainage canal, and spacing frame and water drainage canal inner wall fixed connection, gate unit inserts in spacing frame along vertical direction, and gate unit and spacing frame sliding connection, the both sides of spacing frame are equipped with a motor fixing base seal seat group respectively, including two motor fixing base seal seats in every motor fixing base seal seat group, and two motor fixing base seal seats set up along spacing frame length direction's central line symmetry, every motor fixing base seal seat is close to the inside wall fixed connection of water drainage canal, every push rod motor corresponds to insert and establishes in a motor fixing base seal seat, the motor shell of each push rod motor is fixedly connected with the sealing seat of the motor fixing seat, the piston rod end of each push rod motor is fixedly connected with the lower surface of the top end of the gate unit, the four push rod motors synchronously drive the gate unit to slide in the limiting frame, the water storage tank is arranged on one side of the limiting frame and is pre-buried in the basic structure on one side of the drainage channel, the water storage tank cover is arranged at the top opening of the water storage tank and is detachably connected with the water storage tank, the hydraulic pump is fixedly connected with the top of the water storage tank cover, the water inlet end of the hydraulic pump extends into the water storage tank through a guide pipe, the water outlet end of the hydraulic pump is connected with one end of a flexible connecting hose, the other end of the flexible connecting hose is communicated with the water inlet end of the gate unit, the power supply box is arranged on the other side of the limiting frame and is pre-buried in the basic structure on the other side of the drainage channel, the power box cover is arranged at the top opening of the power box, the power box cover is connected with the power box in a sealing and disassembling way, the storage battery is arranged in the power box, the storage battery is arranged on the inner bottom of the power box through the power mounting seat, the power input end of the push rod motor is communicated with the storage battery through a wire, the gate unit comprises two water outlet ends, and each water outlet end is arranged towards the bottom of each gate guide groove in the limiting frame;

further, the gate unit comprises a top connecting plate, a front side plate, a rear side plate, a shunt tube, two nozzle connectors and two universal nozzles, the piston rod end of each push rod motor is fixedly connected with the lower surface of the top connecting plate, the front side plate and the rear side plate are oppositely arranged at the bottom of the top connecting plate along the central line of the width direction of the top connecting plate, the top of the rear side plate is fixedly connected with the lower surface of the top connecting plate, the front side plate and the rear side plate are detachably connected, the front side plate and the rear side plate form a gate main body, the shunt tube is arranged between the front side plate and the rear side plate, the water inlet end of the shunt tube passes through the top connecting plate and is communicated with the water outlet end of a flexible connecting hose, the shunt tube comprises two water outlet ends, the two water outlet ends are symmetrically arranged along the central line of the length direction of the rear side plate, each water outlet end of the shunt tube is close to one gate guide groove in the limiting frame, the tail end of the nozzle connector extends to the outer part of the front side plate and the rear side plate, the universal nozzle is arranged on each connector, the water inlet end of each universal nozzle is communicated with the water outlet end of the universal nozzle connector through the detachable nozzle guide groove, and the water outlet end of each universal nozzle guide groove is arranged towards the water outlet end of the universal nozzle guide groove;

further, a sealing rubber strip is arranged at the edge of the connecting side of the front side plate and the rear side plate;

further, two ends of the bottom of the gate main body are respectively provided with a notch, each universal nozzle is correspondingly arranged in one notch, and the nozzle end of each universal nozzle is higher than the bottom of the gate main body;

further, a first shunt tube accommodating groove is formed in the mounting side of the front side plate and the rear side plate, a second shunt tube accommodating groove is formed in the mounting side of the rear side plate and the front side plate, the first shunt tube accommodating groove and the second shunt tube accommodating groove are correspondingly matched, a shunt tube accommodating cavity is formed by combining the first shunt tube accommodating groove with the second shunt tube accommodating groove, the shunt tube is correspondingly arranged in the shunt tube accommodating cavity, two nozzle connector accommodating cavities are formed in the outlet end of the shunt tube accommodating cavity, each nozzle connector is correspondingly arranged in one nozzle connector accommodating cavity, and each nozzle connector is sealed with the nozzle connector accommodating cavity through a sealing sleeve;

further, a bottom sealing gasket is attached to the bottom of the gate main body along the length extending direction of the gate main body;

the application has the beneficial effects compared with the prior art that:

the utility model provides a pair of water drainage gate with guide way desilting function compares in traditional gate structure, this application has set up a nozzle respectively in the both sides of gate main part, and the nozzle corresponds the setting with the tank bottom of guide way in the spacing frame, water spray washing can be realized to the tank bottom of guide way through the nozzle, effectively avoid piling up of silt dirt, the compactness when guaranteeing the gate to close, one side at gate structure is provided with the cistern, the lower part of cistern passes through drainage canal of drainage tube and gate water inlet side and communicates the setting in the drainage canal of water outlet side, the upper portion of cistern is through the drainage canal intercommunication setting of honeycomb duct and gate water outlet side, when drainage canal during operation, partial rivers can be stored in entering the cistern along the drainage canal, treat that the cistern is about to store up the back and can be discharged along the honeycomb duct, the water source of nozzle work, have the function of automatic water feeding and automatic play, and the rivers that utilized all be the water that should discharge in, can be self-sufficient completely, the design of this kind of structure need not artifical scene clearance, only need through remote control, when the drainage gate does not work, and can use the lift pump can be used to raise the drainage canal to the reliability when the drainage canal is greatly to the setting up so on the periodic basis.

Drawings

FIG. 1 is a schematic view of the operation of the drainage gate described herein;

FIG. 2 is a schematic front view of a limiting frame in the drainage gate according to the present application;

FIG. 3 is a schematic top view of a stop frame in a drain gate according to the present disclosure;

FIG. 4 is a schematic front view of a gate unit in the drainage gate described herein;

FIG. 5 is a schematic front cross-sectional view of a sluice unit in a drainage sluice as described herein;

FIG. 6 is a schematic view of the cooperation of the gate unit and the limiting frame in the drainage gate according to the present application;

FIG. 7 is a schematic side cross-sectional view of a drain gate as described herein;

in the figure, a limit frame 1, a gate guide groove 11, a gate unit 2, a top connecting plate 21, a front side plate 22, a rear side plate 23, a shunt tube 24, a nozzle connector 25, a universal nozzle 26, a sealing rubber strip 27, a bottom sealing gasket 28, a reservoir 3, a reservoir cover 4, a hydraulic pump 5, a flexible connecting hose 6, a power supply box 7, a power supply box cover 8, a storage battery 9 and a push rod motor 10 are arranged.

Detailed Description

The first embodiment is as follows: describing the present embodiment with reference to fig. 1 to 7, there is provided a drainage gate having a guide groove desilting function, the drainage gate includes a limit frame 1, the drainage gate further includes a gate unit 2, a reservoir 3, a reservoir cover 4, a hydraulic pump 5, a flexible connection hose 6, a power box 7, a power box cover 8, a battery 9, and four push rod motors 10, the limit frame 1 is disposed in a drainage canal, the limit frame 1 is fixedly connected with an inner wall of the drainage canal, the gate unit 2 is inserted in the limit frame 1 along a vertical direction, the gate unit 2 is slidably connected with the limit frame 1, two sides of the limit frame 1 are respectively provided with a motor fixing seat seal seat group, each motor fixing seat seal seat group includes two motor fixing seat seal seats, and the two motor fixing seat seal seats are symmetrically disposed along a center line of a length direction of the limit frame 1, each motor fixing seat sealing seat is fixedly connected with the inner side wall close to the drainage canal, each push rod motor 10 is correspondingly inserted in one motor fixing seat sealing seat, the motor shell of each push rod motor 10 is fixedly connected with the motor fixing seat sealing seat where the motor fixing seat is located, the piston rod end of each push rod motor 10 is fixedly connected with the lower surface of the top end of the gate unit 2, the gate unit 2 is synchronously driven by four push rod motors 10 to slide in the limiting frame 1, the reservoir 3 is arranged on one side of the limiting frame 1, the reservoir 3 is pre-buried in a basic structure on one side of the drainage canal, the reservoir cover 4 is arranged at the top opening of the reservoir 3, the reservoir cover 4 is connected with the reservoir 3 in a disassembling mode, the top of the reservoir cover 4 is fixedly connected with the hydraulic pump 5, the water inlet end of the hydraulic pump 5 extends into the reservoir 3 through a guide pipe, the water outlet end of the hydraulic pump 5 is connected with one end of the flexible connecting hose 6, the other end of flexible coupling hose 6 and the water inlet end intercommunication setting of gate unit 2, power supply box 7 sets up the opposite side at spacing frame 1, and power supply box 7 pre-buries in the foundation structure of water drainage opposite side, power supply box lid 8 sets up the open top department at power supply box 7, and power supply box lid 8 is sealed to be dismantled with power supply box 7 and be connected, battery 9 sets up in power supply box 7, and battery 9 passes through the power mount pad and installs on the inner bottom of power supply box 7, push rod motor 10's electric power input passes through wire and battery 9 intercommunication setting, including two water outlets in the gate unit 2, and every water outlet sets up towards the tank bottom of every gate guide slot 11 in spacing frame 1.

In this embodiment, drive gate unit 2 through push rod motor 10 and carry out reciprocal rectilinear motion in spacing frame 1, battery 9 provides power for push rod motor 10, be sealed dismantlement connection between power supply box 7 and the power supply case lid 8, can effectively prevent that battery 9 from shorting out in the humid environment, flexible coupling hose 6 has certain flexibility, can extend along with the lift of gate unit 2, hydraulic pump 5 is the power unit that flexible coupling hose 6 draws water from cistern 3, the water of taking out enters into gate unit 2 along flexible coupling hose 6, and remove silt processing to the bottom of guide way 11 in spacing frame 1.

The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 to 7, and one difference between the present embodiment and the specific embodiment is that the gate unit 2 includes a top connecting plate 21, a front side plate 22, a rear side plate 23, a shunt tube 24, two nozzle connectors 25 and two universal nozzles 26, the piston rod end of each push rod motor 10 is fixedly connected with the lower surface of the top connecting plate 21, the front side plate 22 and the rear side plate 23 are disposed at the bottom of the top connecting plate 21 along the center line of the width direction of the top connecting plate 21 in a front-back manner, the top of the rear side plate 23 is fixedly connected with the lower surface of the top connecting plate 21, the front side plate 22 and the rear side plate 23 are detachably connected, the front side plate 22 and the rear side plate 23 form a gate main body, the shunt tube 24 is disposed between the front side plate 22 and the rear side plate 23, the water inlet end of the shunt tube 24 passes through the top connecting plate 21 and is communicated with the water outlet end of the flexible connecting hose 6, the shunt tube 24 includes two water outlet ends, the two water outlet ends are symmetrically disposed along the length direction of the rear side plate 23, each water outlet end of the shunt tube 24 is disposed near a gate 11 in the limit frame 1, the guide groove 24 is fixedly connected with the lower surface of the top connecting plate 21, the front side plate 22 and the universal nozzle connectors 25 are fixedly connected with the water outlet connectors 25, and the water outlet ends of the universal nozzles 25 are fixedly connected with the water outlet connectors 25. Other compositions and connection modes are the same as in the first embodiment.

In this embodiment, the universal nozzle 26 is a stainless steel universal nozzle, the spraying direction can be adjusted by a dotted line when the universal nozzle 26 is arranged, the universal nozzle 26 is mainly used for cleaning the dirt at the bottom of the guide groove as a cleaning component, the shunt pipe 24 is provided with two water outlets for meeting the requirement of cleaning two guide grooves simultaneously, it is worth noting that the width of the side edge in the limiting frame 1 is larger than the width of the universal nozzle 26, namely, when the gate unit 2 is closed, the side wall of the guide groove 11 in the limiting frame 1 is still contacted with the front side plate 22 and the rear side plate 23, as shown in fig. 6, the arrangement is such that the universal nozzle 26 does not influence the blocking property of the gate unit 2 when closed, the nozzle connector 25 and the universal nozzle 26 are connected by threads, so that the universal nozzle 26 is replaced.

And a third specific embodiment: the second difference between the present embodiment and the second embodiment is that the sealing rubber strip 27 is provided at the edge of the connecting side of the front side plate 22 and the rear side plate 23, which will be described with reference to fig. 1 to 7. Other compositions and connection modes are the same as those of the second embodiment.

So set up, be favorable to guaranteeing the leakproofness between preceding curb plate 22 and the posterior lateral plate 23, through bolted connection between preceding curb plate 22 and the posterior lateral plate 23, the processing of the edge of posterior lateral plate 23 and preceding curb plate 22 junction side has a plurality of screw thread blind holes, processing has a plurality of countersunk through-holes on the anterior lateral plate 22, and every countersunk through-hole and a screw thread blind hole coaxial correspond the setting, the bolt passes a countersunk through-hole in proper order and inserts in a screw thread blind hole, and bolt and place screw thread blind hole threaded connection, it is notable that the bolt head is located countersunk, can not extend to on the face of preceding curb plate 22, guaranteed the planarization on preceding curb plate 22 surface.

The specific embodiment IV is as follows: the third difference between the present embodiment and the third embodiment is that two ends of the bottom of the gate body are respectively provided with a groove, each universal nozzle 26 is correspondingly disposed in one groove, and the other components and connection modes of the nozzle end of the universal nozzle 26 higher than the bottom of the gate body are the same as those of the third embodiment.

Fifth embodiment: referring to fig. 1 to 7, in this embodiment, a fourth difference between the present embodiment and the specific embodiment is that a first shunt tube accommodating groove is machined on the mounting side of the front side plate 22 and the rear side plate 23, a second shunt tube accommodating groove is machined on the mounting side of the rear side plate 23 and the front side plate 22, the first shunt tube accommodating groove and the second shunt tube accommodating groove are correspondingly matched, the first shunt tube accommodating groove and the second shunt tube accommodating groove are combined to form a shunt tube accommodating cavity, the shunt tube 24 is correspondingly arranged in the shunt tube accommodating cavity, two nozzle connector accommodating cavities are arranged at the outlet end of the shunt tube accommodating cavity, each nozzle connector 25 is correspondingly arranged in one nozzle connector accommodating cavity, and each nozzle connector 25 and the nozzle connector accommodating cavity are arranged through sealing sleeves. Other compositions and connection modes are the same as those of the fourth embodiment.

In this embodiment, the sealing sleeve is arranged between the nozzle connector 25 and the nozzle connector accommodating cavity, so as to prevent water from entering the gate body along the connection gap, thereby affecting the service strength and service life of the gate body.

Specific embodiment six: the fifth difference between the present embodiment and the specific embodiment is that the bottom of the gate body is attached with the bottom gasket 28 along the longitudinal extension direction of the gate body, which will be described with reference to fig. 1 to 7. Other compositions and connection modes are the same as those of the fifth embodiment.

In the present embodiment, the bottom gasket 28 seals the gate main body and the inner bottom of the stopper frame 1.

The present utility model has been described in terms of preferred embodiments, but is not limited to the above-described embodiments, and any simple modification, equivalent changes and variation of the above-described embodiments according to the technical principles of the present utility model will be within the scope of the present utility model when the above-described structures and technical principles can be utilized to make a few equivalent embodiments without departing from the technical scope of the present utility model.

Working principle:

when the sluice gate structure is used, all components are assembled according to the connection relation in the first to sixth embodiments, the sluice gate structure comprises a remote control module, a PLC controller can be selected, the control ends of the push rod motor 10 and the hydraulic pump 5 are connected with the PLC controller through signals, the PLC controller is also connected with the remote control end through signals, the push rod motor 10 and the hydraulic pump 5 can be controlled to work through the PLC to operate, when a drainage canal does not work, the push rod motor 10 can be controlled to drive the sluice gate main body to rise to the limit position, the hydraulic pump 5 is started after the sluice gate main body reaches the limit height, under the suction effect of the hydraulic pump 5, water in the reservoir 3 can be fed into the shunt tube 24 along the flexible connection hose 6, and sprayed out along the universal nozzle 26 through the nozzle connector 25 positioned on the shunt tube 24, the universal nozzle 26 can spray a certain amount of water in the liquid spraying process, the inner side wall of the guide groove 11 can be cleaned, the control the push rod motor 10 to drive the main body to slowly descend under the state that the hydraulic pump 5 works at the moment, the side wall of the guide groove 11 is cleaned, the sluice gate main body is driven to be stopped at the limit position, namely, the sluice gate main body is stopped at the limit position is closed after the sluice gate main body is closed, and the sluice gate main body is stopped at the limit position is kept at the limit position, and the sluice gate bottom position is kept at the limit position, namely, and the sluice gate main body is cleaned, and the sluice gate is closed at the limit position is kept at the limit position, and after the sluice gate main body is completely, and the sluice gate is completely has high, and is completely cleaned, and is completely, and is completely cleaned, and has high quality.

Claims (6)

1. Drainage gate with guide way desilting function, drainage gate includes spacing frame (1), its characterized in that: the drainage gate further comprises a gate unit (2), a water reservoir (3), a water reservoir cover (4), a hydraulic pump (5), a flexible connecting hose (6), a power supply box (7), a power supply box cover (8), a storage battery (9) and four push rod motors (10), wherein the limit frame (1) is arranged in the drainage channel, the limit frame (1) is fixedly connected with the inner wall of the drainage channel, the gate unit (2) is inserted in the limit frame (1) along the vertical direction, the gate unit (2) is in sliding connection with the limit frame (1), two sides of the limit frame (1) are respectively provided with a motor fixing seat sealing seat group, each motor fixing seat sealing seat comprises two motor fixing seat sealing seats, each motor fixing seat sealing seat is symmetrically arranged along the central line of the length direction of the limit frame (1), each push rod motor (10) is close to the inner side wall of the drainage channel and is correspondingly inserted in one motor fixing seat sealing seat, the motor shell of each push rod motor (10) is fixedly connected with the motor fixing seat sealing seat of the position, the piston of each push rod motor (10) is fixedly connected with the lower surface of the gate unit (2), the four push rod motors (1) are fixedly connected with the lower surface of the gate unit (1) at one side of the limit frame (1), and cistern (3) are pre-buried in the foundation structure of water drainage canal one side, cistern lid (4) set up in the open-top of cistern (3), and cistern lid (4) are dismantled with cistern (3) and are connected, cistern lid (4) top rigid coupling has hydraulic pump (5), the water inlet end of hydraulic pump (5) extends to in cistern (3) through the pipe, the water outlet end of hydraulic pump (5) links to each other with the one end of flexible coupling hose (6), the other end of flexible coupling hose (6) and the water inlet end intercommunication setting of gate unit (2), power supply box (7) set up in the opposite side of spacing frame (1), and power supply box (7) are pre-buried in the foundation structure of water drainage canal opposite side, power supply box lid (8) set up in the open-top of power supply box (7), and power supply box lid (8) are sealed to be dismantled and are connected with power supply box (7), battery (9) set up in power supply box (7), and battery (9) are installed on the inner bottom of power box (7) through the power supply mount pad, the electric power input end of push rod motor (10) communicates through wire and battery (9) and sets up gate (2), including two water outlet ends in every water outlet end of gate unit (1), set up in every water outlet end of gate (11.

2. A drainage gate with a guide groove dredging function as claimed in claim 1, wherein: the gate unit (2) comprises a top connecting plate (21), a front side plate (22), a rear side plate (23), a shunt tube (24), two nozzle connectors (25) and two universal nozzles (26), wherein the piston rod end of each push rod motor (10) is fixedly connected with the lower surface of the top connecting plate (21), the front side plate (22) and the rear side plate (23) are oppositely arranged at the bottom of the top connecting plate (21) along the central line of the width direction of the top connecting plate (21), the top of the rear side plate (23) is fixedly connected with the lower surface of the top connecting plate (21), the front side plate (22) is detachably connected with the rear side plate (23), the front side plate (22) and the rear side plate (23) form a gate main body, the shunt tube (24) is arranged between the front side plate (22) and the rear side plate (23), the water inlet end of the shunt tube (24) penetrates through the top connecting plate (21) and is communicated with the water outlet end of the flexible connecting hose (6), the two water outlet ends are arranged along the central line of the length direction of the rear side plate (23), the water outlet ends are symmetrically arranged along the central line of the length direction of the rear side plate (23), each water outlet end (24) is close to one water outlet guide groove (11) of each water outlet guide groove (25) of the corresponding to one of the water outlet guide frame (11), the tail end of the nozzle connector (25) extends to the outer parts of the front side plate (22) and the rear side plate (23), a universal nozzle (26) is arranged on each nozzle connector (25), the water inlet end of each universal nozzle (26) is connected with the nozzle connector (25) at the position through screw threads in a disassembling mode, and the water outlet end of each universal nozzle (26) is arranged towards the bottom of the gate guide groove (11).

3. A drainage gate with a guide groove dredging function as claimed in claim 2, wherein: and a sealing rubber strip (27) is arranged at the edge of the connecting side of the front side plate (22) and the rear side plate (23).

4. A drainage gate with a guide groove dredging function as claimed in claim 3, wherein: two ends of the bottom of the gate main body are respectively provided with a notch, each universal nozzle (26) is correspondingly arranged in one notch, and the nozzle end of each universal nozzle (26) is higher than the bottom of the gate main body.

5. The drainage gate with a guide groove dredging function as claimed in claim 4, wherein: the front side plate (22) and the installation side of the rear side plate (23) are provided with a first shunt tube accommodating groove, the rear side plate (23) and the installation side of the front side plate (22) are provided with a second shunt tube accommodating groove, the first shunt tube accommodating groove and the second shunt tube accommodating groove are correspondingly matched, a shunt tube accommodating groove and the second shunt tube accommodating groove are combined to form a shunt tube accommodating cavity, the shunt tube (24) is correspondingly arranged in the shunt tube accommodating cavity, the outlet end of the shunt tube accommodating cavity is provided with two nozzle connector accommodating cavities, each nozzle connector (25) is correspondingly arranged in one nozzle connector accommodating cavity, and each nozzle connector (25) and the nozzle connector accommodating cavity are arranged through sealing sleeves.

6. The drainage gate with a guide groove dredging function as claimed in claim 5, wherein: a bottom gasket (28) is attached to the bottom of the gate body in the longitudinal direction of the gate body.