CN214961898U - Henhouse ventilation device - Google Patents

Abstract

The utility model provides a chicken coop ventilation unit. Chicken coop ventilation unit includes: a wall body; the sliding groove is formed in the wall body; the two support plates are fixedly arranged on the wall body; the screw rod is rotatably arranged on the two support plates; the motor is fixedly arranged on the support plate positioned below the motor, and an output shaft of the motor is fixedly connected with the screw rod; the air box is arranged between the screw rod and the wall body, one side of the air box extends into the sliding groove, and an opening is formed in one side of the air box in the sliding groove; the fan is fixedly arranged in the air box; the cooling box is arranged on one side, far away from the screw rod, of the wall body. The utility model provides a chicken coop ventilation unit has one kind and can be according to ambient temperature regulation wind-warm syndrome, and ventilation effect is good, reduces the advantage of meat chicken probability of illness.

Description

Henhouse ventilation device

Technical Field

The utility model relates to a breed technical field, especially relate to a chicken coop ventilation unit.

Background

In order to reduce the breeding cost and improve the economic benefit, broiler breeders adopt large-scale and intensive agricultural breeding, in order to utilize the field to the maximum extent, various breeding places suitable for broiler activities are built for centralized feeding and management, and ventilation and indoor cooling are one of the main factors for ensuring the healthy growth of broilers in a workshop in the breeding and breeding process.

However, most of the existing broiler chicken breeding henhouses adopt ventilation openings or air blowers to blow natural air for ventilation and heat dissipation, and in hot summer, under the conditions of high breeding density and high outdoor temperature, the air blown to the henhouses also carries a certain temperature, so that the henhouses cannot be effectively ventilated and cooled, and the broiler chickens die due to heat stress; in cold winter, the temperature of air blown into the henhouse by the air blower is low, broiler chickens are prone to catching cold and getting ill, and breeding cost is increased.

Therefore, there is a need to provide a henhouse ventilation device to solve the above technical problems.

Disclosure of Invention

The utility model provides a technical problem provide a can be according to ambient temperature regulation wind temperature, ventilation effect is good, reduces the meat chicken probability of being ill, promotes the chicken coop ventilation unit of breeding comprehensive benefits.

In order to solve the technical problem, the utility model provides a chicken coop ventilation unit, include: a wall body; the sliding groove is formed in the wall body; the two support plates are fixedly arranged on the wall body; the screw rod is rotatably arranged on the two support plates; the motor is fixedly arranged on the support plate positioned below the motor, and an output shaft of the motor is fixedly connected with the screw rod; the air box is arranged between the screw rod and the wall body, one side of the air box extends into the sliding groove, and an opening is formed in one side of the air box in the sliding groove; the fan is fixedly arranged in the air box; the cooling box is arranged on one side, far away from the screw rod, of the wall body; the water pump is fixedly arranged on one side of the cooling box; the heating box is arranged on one side, far away from the screw rod, of the wall body, and the heating box is located above the cooling box; the bent pipe is fixedly arranged in the heating box; the rectangular box is fixedly arranged on one side of the cooling box and one side of the heating box; the two air supply pipes are fixedly arranged on one sides of the cooling box and the heating box respectively, and extend into the rectangular box and are fixedly connected with the rectangular box; the portal frame is fixedly arranged on one side of the cooling box and one side of the heating box, and the bent pipe, the rectangular box and the two air supply pipes are all positioned in the portal frame; the mounting panel, the mounting panel sets up the rectangle case is kept away from the heating cabinet with one side of cooling box.

Preferably, one side of the rectangular box is fixedly connected with the mounting plate, the mounting plate is fixedly provided with a filter bag, the top of the portal frame is fixedly connected with a ventilation pipe, and the ventilation pipe is fixedly provided with a plurality of air dispersing hoppers.

Preferably, two movable plates are fixedly mounted on one side, close to the screw rod, of the air box, the screw rod penetrates through the two movable plates and is in threaded connection with the two movable plates, a marker post is fixedly mounted on one side, close to each other, of the two support plates, and the marker post penetrates through the two movable plates and is in sliding connection with the two movable plates.

Preferably, two through grooves are formed in the inner wall of one side of the sliding groove, the cooling box and one side of the heating box extend into the corresponding through grooves and are fixedly connected with the corresponding through grooves, baffles are fixedly mounted at the top and the bottom of the air box and are slidably connected with the inner wall of one side of the sliding groove, the baffles are matched with the through grooves, and air valves are arranged on the two air supply pipes.

Preferably, a water outlet pipe is fixedly mounted at a water outlet of the water pump, a water supply pipe is fixedly connected to the water outlet pipe, one end of the water supply pipe extends into the cooling box and is fixedly connected with the cooling box, a plurality of spray heads are fixedly mounted on one side of the water supply pipe, a water receiving box is arranged in the cooling box, a water storage box is arranged below the cooling box, a sewer pipe is fixedly connected in the water receiving box, the bottom end of the sewer pipe extends into the water storage box, a valve is arranged on the sewer pipe, and the valve is located between the water receiving box and the water storage box.

Preferably, one side of mounting panel with the rectangle case contacts, two recesses have been seted up on the mounting panel, two be provided with two montants in the recess, two the top of montant all extends to outside the mounting panel, two face grooves have been seted up respectively on the both sides of rectangle case, two the equal slip of face inslot has moved the board, two one side of moving the board all extends to outside the rectangle case, two move and all seted up the draw-in groove on one side of board, two the cavity has all been seted up on one side inner wall in face groove, two all be provided with the cardboard in the cavity, two one side of cardboard all extends to corresponding in the draw-in groove.

Preferably, two the equal fixed mounting in bottom of montant has the slide, two the slide all with corresponding the both sides inner wall sliding connection of recess, two equal fixed mounting has bridging plate, two in the recess the montant all runs through correspondingly bridging plate and with corresponding bridging plate sliding connection, two it is equipped with the pressure spring, two all to overlap on the montant the one end of pressure spring all with corresponding bridging plate fixed connection, two the other end of pressure spring all with corresponding slide fixed connection, two montants are located one outer equal fixed mounting has the roof, two of serving of mounting panel one side of roof all with corresponding it is fixed connection to move board

Preferably, two equal fixed mounting has the linkage plate in the cavity, two the cardboard all runs through corresponding linkage plate, and with corresponding linkage plate sliding connection, two the equal fixed mounting in both sides of cardboard has the curb plate, corresponding two the curb plate respectively with corresponding the both sides inner wall sliding connection of cavity, two the cardboard all overlaps and is equipped with the extension spring, two the one end of extension spring all with corresponding curb plate fixed connection, two the other end of extension spring all with corresponding linkage plate fixed connection, two equal fixed mounting has the arm-tie on one side of cardboard, two the one end of arm-tie all extends to outside one side of rectangle case and with rectangle case sliding connection.

Compared with the prior art, the utility model provides a chicken coop ventilation unit has following beneficial effect:

the utility model provides a chicken coop ventilation unit, during the use, highly make the fan remove to the corresponding box department of required wind temperature through the lead screw control bellows, the cascade evaporation heat absorption that water supply pipe and shower nozzle formed cools down wind, the return bend generates heat alright heat the wind of its contact, smuggle the dust filtration in to wind via the filter bag again and smuggle in order to prevent dust pollution chicken coop secretly, at last through ventilation pipe and a plurality of scattered wind fill with wind scatter blow off, avoid blowing for a long time to a department and make the ventilation effect poor or even lead to the meat chicken sick, operation process is simple and can adjust wind temperature according to ambient temperature, the ventilation effect is good, reduce meat chicken sick probability.

Drawings

Fig. 1 is a schematic front view of a chicken coop ventilation device according to a first embodiment of the present invention;

fig. 2 is a schematic side view of a first embodiment of a ventilation device for a chicken house according to the present invention;

fig. 3 is a schematic front view of a chicken coop ventilation device according to a second embodiment of the present invention;

fig. 4 is an enlarged schematic view of a portion a shown in fig. 3.

Reference numbers in the figures: 1. a wall body; 2. a chute; 3. a support plate; 4. a screw rod; 5. a motor; 6. an air box; 7. a fan; 8. a cooling box; 9. a water pump; 10. a water supply pipe; 11. a heating box; 12. bending the pipe; 13. a rectangular box; 14. an air supply pipe; 15. mounting a plate; 16. a filter bag; 17. a gantry; 18. a vent pipe; 19. a groove; 20. a vertical rod; 21. a surface groove; 22. moving the plate; 23. a card slot; 24. a chamber; 25. and (4) clamping the board.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

First embodiment

Referring to fig. 1-2, in a first embodiment of the present invention, a chicken house ventilation device comprises: a wall body 1; the sliding chute 2 is formed in the wall body 1, and the sliding chute 2 provides a space for the movement of the baffle and the air box 6; the two support plates 3 are fixedly arranged on the wall body 1, and the support plates 3 provide effective support for the screw rod 4 and the motor 5; the screw rod 4 is rotatably arranged on the two support plates 3, the screw pitch of the screw rod 4 is small, and the air box 6 can be accurately moved to a corresponding position; the motor 5 is fixedly arranged on the support plate 3 positioned below, an output shaft of the motor 5 is fixedly connected with the screw rod 4, the motor 5 runs more stably, and the noise is lower; the air box 6 is arranged between the screw rod 4 and the wall body 1, one side of the air box 6 extends into the chute 2, one side of the air box 6, which is positioned in the chute 2, is provided with an opening, and one side of the air box 6, which is far away from the wall body 1, is provided with a plurality of air ports, so that the fan 7 can discharge outside air into the henhouse and reduce the entering of impurities such as outside leaves and the like; the fan 7 is fixedly arranged in the air box 6, the fan 7 provides an air source for ventilation of the henhouse, and compared with natural wind, the wind speed is higher and the ventilation effect is better; the cooling box 8 is arranged on one side, far away from the screw rod 4, of the wall body 1; the water pump 9 is fixedly arranged on one side of the cooling box 8, and the water pump 9 sucks an external water source into the water supply pipe 10, so that the air cooling box is convenient to use in the later period; the heating box 11 is arranged on one side, far away from the screw rod 4, of the wall body 1, the heating box 11 is located above the cooling box 8, and the temperature rise of wind can be accelerated by the cooling box 8 relative to a sealed environment; the bent pipe 12 is fixedly arranged in the heating box 11, the bent pipe 12 is a heating pipe, and the heating device has the characteristics of simple structure and high thermal efficiency, and can quickly heat wind; the rectangular box 13 is fixedly arranged on one side of the cooling box 8 and one side of the heating box 11, and the rectangular box 13 can intensively collect wind and then discharge the wind; the two air supply pipes 14 are respectively and fixedly installed on one side of the cooling box 8 and one side of the heating box 11, the two air supply pipes 14 extend into the rectangular box 13 and are fixedly connected with the rectangular box 13, and the two air supply pipes 14 can respectively discharge air in the cooling box 8 and the heating box 11 into the rectangular box 13; the device comprises a heating box 8, a gantry 17, a mounting plate 15 and a mounting plate 15, wherein the gantry 17 is fixedly mounted on one side of the heating box 11 and the cooling box 8, the bent pipe 12, the rectangular box 13 and the two air supply pipes 14 are all located in the gantry 17, the gantry 17 can effectively prevent filtered air from being dispersed, collected and then discharged, and air speed and air quantity can be guaranteed.

Prevent dust impurity pollution chicken coop and evenly blow in the chicken coop with the wind in order to filter the wind, one side of rectangle case 13 with mounting panel 15 fixed connection, fixed mounting has filter bag 16 on the mounting panel 15, fixedly connected with ventilation pipe 18 on the top of portal frame 17, fixed mounting has a plurality of scattered wind fill on the ventilation pipe 18.

In order to rotate the restriction to the fly leaf to realize the position control of bellows 6, bellows 6 is close to fixed mounting has two fly leaves on one side of lead screw 4, and lead screw 4 runs through two the fly leaf and with two fly leaf threaded connection, two fly leaves are located the position that bellows 6 is close to bottom and top, make bellows 6 more steady when removing, and fixed mounting has the sighting rod on one side that is close to each other of two extension boards 3, the sighting rod runs through two the fly leaf and with two fly leaf sliding connection, the sighting rod rotates the restriction to the fly leaf.

In order to facilitate the fan 7 to discharge wind into a corresponding position and shield an unused through groove, two through grooves are formed in the inner wall of one side of the sliding groove 2, the cooling box 8 and one side of the heating box 11 both extend into the corresponding through groove and are fixedly connected with the corresponding through groove, baffles are fixedly mounted at the top and the bottom of the air box 6, are slidably connected with the inner wall of one side of the sliding groove 2, are matched with the through grooves, can shield the unused through groove to prevent the wind volume from being dispersed and dust from entering, and are provided with wind valves on the air supply pipes 14.

In order to cool the wind with higher temperature and collect the water after absorbing heat, a water outlet pipe is fixedly arranged at the water outlet of the water pump 9, a water supply pipe 10 is fixedly connected on the water outlet pipe, one end of the water supply pipe 10 extends into the cooling box 8 and is fixedly connected with the cooling box 8, a plurality of nozzles are fixedly arranged on one side of the water supply pipe 10, the plurality of nozzles disperse water flow to form a water curtain, the contact surface with wind is increased, the cooling effect is higher, a water receiving tank is arranged in the cooling tank 8, a water storage tank is arranged below the cooling tank 8, a sewer pipe is fixedly connected in the water receiving tank, the bottom end of the sewer pipe extends into the water storage tank, the waste water after absorbing heat is discharged into the water storage tank through the sewer pipe for collection, the sewer pipe is provided with a valve which is positioned between the water receiving tank and the water storage tank.

The utility model provides a chicken coop ventilation unit's theory of operation as follows:

the water inlet pipe of the water pump 9 is connected with an external water source.

When the chicken house is ventilated in summer, the motor 5 is started, the air box 6 descends to the position corresponding to the cooling box 8, the baffle plate positioned above shields the through groove corresponding to the heating box 11, the water pump 9 is started, water flow enters the water supply pipe 10 through the water pump 8 and is sprayed out through a plurality of spray heads to form a water curtain, the fan 7 is started, wind with temperature enters the cooling box 8, absorbs heat through the water curtain and cools the wind, then enters the rectangular box 13 through the corresponding air supply pipe 14, finally enters the filter bag 16, dust and the like carried in the wind is remained in the filter bag 16 at the moment, the wind enters the ventilation pipe 18 and is dispersed in the chicken house through a plurality of wind dispersing hoppers to ventilate the chicken house, in winter, the motor 5 is started, the screw rod 4 drives the air box 6 to move to the heating box 11, the baffle plate positioned below moves to shield the through groove corresponding to the cooling box 9, the fan 7 blows wind with lower temperature into the heating box 11, the air is heated by the heat generated by the bent pipe 12 and then discharged into the filter bag 16 for filtering, and finally the henhouse is ventilated through the ventilation pipe 18.

Compared with the prior art, the utility model provides a chicken coop ventilation unit has following beneficial effect:

during the use, highly make fan 7 remove to the corresponding box department of required wind temperature through lead screw 4 control bellows 6, the cascade evaporation heat absorption that water pipe 10 and shower nozzle formed cools down wind, return bend 12 generates heat alright heat the wind of its contact, smuggle dust filtration secretly in to wind via filter bag 16 again in order to prevent dust pollution chicken coop, at last through ventilation pipe 18 and a plurality of scattered wind fill with wind dispersion blow off, avoid blowing for a long time to a department and make the ventilation effect poor or even lead to the meat chicken to be sick, operation process is simple and can adjust wind temperature according to ambient temperature, ventilation effect is good, reduce the meat chicken probability of being sick.

Second embodiment:

based on the henhouse ventilation device provided by the first embodiment of the application, the second embodiment of the application provides another henhouse ventilation device. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.

Referring to fig. 3-4, in a second embodiment of the henhouse ventilation device of the present invention, one side of the mounting plate 15 contacts the rectangular box 13, two grooves 19 are formed on the mounting plate 15, the grooves 19 provide a moving space for the vertical rods 20, two vertical rods 20 are disposed in the two grooves 19, top ends of the two vertical rods 20 extend out of the mounting plate 15, the vertical rods 20 can drive the moving plate 22 to enter or leave the face groove 21 when being pulled, two face grooves 21 are respectively formed on two sides of the rectangular box 13, the moving plate 22 slides in the two face grooves 21, one side of the two moving plates 22 extends out of the rectangular box 13, the bottom of the moving plate 22 is arc-shaped, the moving plate 22 is clamped to fix the mounting plate 15 on the rectangular box 13, one side of the two moving plates 22 is provided with a clamping groove 23, draw-in groove 23 and cardboard 25 looks adaptation, two all seted up cavity 24 on the inner wall of one side of face groove 21, two all be provided with cardboard 25 in the cavity 24, two one side of cardboard 25 all extends to corresponding in the draw-in groove 23, one side of cardboard 25 sets up to arc, just can jack-up when contacting with moving board 22.

In order to store elastic potential energy to provide pulling force for the top plate when the vertical rods 20 are pulled, so as to better fix the moving plate 22 in the face groove 21, sliding plates are fixedly mounted at the bottom ends of the two vertical rods 20, the two sliding plates are slidably connected with the inner walls of the two sides of the corresponding grooves 19, bridging plates are fixedly mounted in the two grooves 19, the two vertical rods 20 penetrate through the corresponding bridging plates and are slidably connected with the corresponding bridging plates, the bridging plates provide reliable support for the vertical rods 20, compression springs are sleeved on the two vertical rods 20, one ends of the two compression springs are fixedly connected with the corresponding bridging plates, the other ends of the two compression springs are fixedly connected with the corresponding sliding plates, a top plate is fixedly mounted at one end of the two vertical rods 20 outside the mounting plate 15, and one side of the two top plates is fixedly connected with the corresponding moving plate 22, the upper compression spring is compressed when pulling the corresponding vertical rod 20, and the lower compression spring is stretched when pulling the corresponding vertical rod 20.

In order to store elastic potential energy and enable the clamping plates 25 to rebound to the clamping grooves 23 in the process that the moving plates 22 enter the face grooves 21 so as to fix the moving plates 22, connecting plates are fixedly mounted in the two cavities 24, the two clamping plates 25 penetrate through the corresponding connecting plates and are in sliding connection with the corresponding connecting plates, the connecting plates stably support the clamping plates 25, side plates are fixedly mounted on two sides of the two clamping plates 25, the two corresponding side plates are in sliding connection with inner walls on two sides of the corresponding cavities 24 respectively, tension springs are sleeved on the two clamping plates 25, one ends of the two tension springs are fixedly connected with the corresponding side plates, the other ends of the two tension springs are fixedly connected with the corresponding connecting plates, when the tension springs store the elastic potential energy when the clamping plates 25 are pushed by the moving plates 22 and are located at the clamping grooves 23, the tension springs release the elastic potential energy to rebound the clamping plates 25 to the clamping grooves 23, all fixed mounting has the arm-tie on one side of two cardboard 25, two the one end of arm-tie all extends to outside one side of rectangle case 13 and with rectangle case 13 sliding connection, the arm-tie can stimulate cardboard 25 and keep away from draw-in groove 23, is convenient for will move board 22 and pull out face groove 21.

When the filter bag 16 is disassembled and replaced in the device, the pull plate can be pulled, so that the clamping plate 25 is pulled out of the clamping groove 23, the spring stores elastic potential energy, meanwhile, the pull rod 20 is pulled to drive the moving plate 22 to move out of the face groove 21, the filter bag 16 can be disassembled to loosen the pull plate, the clamping plate 25 rebounds into the face groove 21, during installation, the pull rod 20 is pulled, the moving plate 22 is aligned to the face groove 21 and then the vertical rod 20 is loosened, the vertical rod 20 rebounds into the groove 19, meanwhile, the moving plate 22 descends into the face groove 21, the moving plate 22 pushes the clamping plate 25, the clamping plate 25 is pushed into the clamping groove 23 by the spring releasing elastic force until the clamping plate 25 is located at the clamping groove 23, and therefore the mounting plate 15 and the filter bag 16 are fixed.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (8)

1. A chicken coop ventilation unit, comprising:

a wall body;

the sliding groove is formed in the wall body;

the two support plates are fixedly arranged on the wall body;

the screw rod is rotatably arranged on the two support plates;

the motor is fixedly arranged on the support plate positioned below the motor, and an output shaft of the motor is fixedly connected with the screw rod;

the air box is arranged between the screw rod and the wall body, one side of the air box extends into the sliding groove, and an opening is formed in one side of the air box in the sliding groove;

the fan is fixedly arranged in the air box;

the cooling box is arranged on one side, far away from the screw rod, of the wall body;

the water pump is fixedly arranged on one side of the cooling box;

the heating box is arranged on one side, far away from the screw rod, of the wall body, and the heating box is located above the cooling box;

the bent pipe is fixedly arranged in the heating box;

the rectangular box is fixedly arranged on one side of the cooling box and one side of the heating box;

the two air supply pipes are fixedly arranged on one sides of the cooling box and the heating box respectively, and extend into the rectangular box and are fixedly connected with the rectangular box;

the portal frame is fixedly arranged on one side of the cooling box and one side of the heating box, and the bent pipe, the rectangular box and the two air supply pipes are all positioned in the portal frame;

the mounting panel, the mounting panel sets up the rectangle case is kept away from the heating cabinet with one side of cooling box.

2. A ventilation device for a henhouse as claimed in claim 1, wherein one side of the rectangular box is fixedly connected with the mounting plate, the mounting plate is fixedly provided with a filter bag, the top of the portal frame is fixedly connected with a ventilation pipe, and the ventilation pipe is fixedly provided with a plurality of air dispersing hoppers.

3. A ventilation device for a henhouse as claimed in claim 1, wherein two movable plates are fixedly installed on one side of the wind box near the screw rod, the screw rod penetrates through and is in threaded connection with the two movable plates, and a marker post is fixedly installed on one side of the two support plates near each other, penetrates through and is in sliding connection with the two movable plates.

4. A ventilating device for a henhouse as defined in claim 1, wherein two through slots are formed on an inner wall of one side of said sliding slot, one side of each of said cooling box and said heating box extends into and is fixedly connected with the corresponding through slot, a baffle is fixedly mounted on each of the top and bottom of said air box, two baffles are slidably connected with an inner wall of one side of said sliding slot, said baffles are adapted to said through slots, and two air supply pipes are provided with air valves.

5. The henhouse ventilation device according to claim 1, wherein a water outlet pipe is fixedly installed at a water outlet of the water pump, a water supply pipe is fixedly connected to the water outlet pipe, one end of the water supply pipe extends into the cooling box and is fixedly connected with the cooling box, a plurality of spray heads are fixedly installed on one side of the water supply pipe, a water receiving box is arranged in the cooling box, a water storage box is arranged below the cooling box, a sewer pipe is fixedly connected in the water receiving box, the bottom end of the sewer pipe extends into the water storage box, and a valve is arranged on the sewer pipe and located between the water receiving box and the water storage box.

6. A ventilating device for a henhouse according to claim 5, wherein one side of the mounting plate is in contact with the rectangular box, two grooves are formed in the mounting plate, two vertical rods are arranged in the two grooves, the top ends of the two vertical rods extend out of the mounting plate, two face grooves are formed in two sides of the rectangular box respectively, a moving plate slides in the two face grooves, one side of each moving plate extends out of the rectangular box, a clamping groove is formed in one side of each moving plate, a cavity is formed in one inner wall of each face groove, clamping plates are arranged in the two cavities, and one side of each clamping plate extends into the corresponding clamping groove.

7. A chicken coop ventilation device according to claim 6, wherein the bottom ends of two of the vertical rods are fixedly provided with sliding plates, the two sliding plates are slidably connected with the inner walls of the two sides of the corresponding groove, the two grooves are fixedly provided with erection plates, the two vertical rods penetrate through the corresponding erection plates and are slidably connected with the corresponding erection plates, the two vertical rods are sleeved with pressure springs, one ends of the two pressure springs are fixedly connected with the erection plates, the other ends of the two pressure springs are fixedly connected with the corresponding sliding plates, the two vertical rods are located at one end outside the mounting plate and are fixedly provided with top plates, and one side of each top plate is fixedly connected with the corresponding moving plate.

8. A ventilation device for a chicken house according to claim 6, characterized in that two chambers are fixedly provided with connecting plates, two clamping plates are respectively penetrated through the corresponding connecting plates and are slidably connected with the corresponding connecting plates, two sides of the two clamping plates are respectively fixedly provided with side plates, the corresponding two side plates are respectively slidably connected with the inner walls of the two sides of the corresponding chambers, the two clamping plates are respectively sleeved with tension springs, one ends of the two tension springs are respectively fixedly connected with the corresponding side plates, the other ends of the two tension springs are respectively fixedly connected with the corresponding connecting plates, one sides of the two clamping plates are respectively fixedly provided with pull plates, and one ends of the two pull plates are respectively extended out of one side of the rectangular box and are slidably connected with the rectangular box.

Images