CN214561807U

CN214561807U - Precast concrete curing chamber

Info

Publication number: CN214561807U
Application number: CN202120743441.6U
Authority: CN
Inventors: 徐超; 俞中达; 孙浩; 张永新
Original assignee: Shanghai Urban Construction Prefabricated Components Co ltd
Current assignee: Shanghai Urban Construction Prefabricated Components Co ltd
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2021-11-02
Anticipated expiration: 2031-04-10

Abstract

The utility model relates to a precast concrete curing chamber, belong to the field of concrete maintenance, it includes the curing chamber, the one end of curing chamber is the entry end, the length direction that is the curing chamber along the entry end of curing chamber to the other end of curing chamber, be provided with multirow precast element group along the width direction of curing chamber in the curing chamber, every precast element group all includes a plurality of precast element bodies, be provided with between the interior roof of precast element body and curing chamber and be used for hanging the precast element body in the curing chamber hang the subassembly that hangs, be provided with the subassembly that sprays that is used for the precast element body water spray maintenance in the curing chamber, set up the water tank in the below of curing chamber, laid the bottom plate that permeates water between curing chamber and water tank, the bottom plate that permeates water has seted up a plurality of hole of permeating water, the hole of permeating water runs through the bottom plate that permeates water. This application has the effect that reduces the water waste.

Description

Precast concrete curing chamber

Technical Field

The application relates to the field of concrete curing, in particular to a precast concrete curing room.

Background

The concrete prefabricated member is a concrete product processed and produced in a standardized and mechanized mode in a factory, is widely applied to the fields of buildings, traffic, water conservancy and the like, and plays an important role in national economy.

The traditional Chinese patent with reference to publication number CN210758369U, a concrete prefabricated member curing device, comprises a curing room, wherein a prefabricated member is cured in the curing room, a limit groove is formed in the side wall of the curing room, the length direction of the limit groove is vertically arranged, and a prefabricated member body is inserted into the limit groove; the top of the curing room is provided with a sliding component, the sliding component is provided with a spraying component, and the sliding component is used for driving the spraying component to reciprocate along the length direction of the prefabricated member. Has the effect of uniform maintenance.

In view of the above-mentioned related technologies, the inventor believes that the spraying assembly cannot recycle water again after spraying water and maintaining for the preform body, and thus has a defect of wasting water resources.

SUMMERY OF THE UTILITY MODEL

In order to reach the effect that reduces the water waste, this application provides a concrete prefabricated member curing room.

The application provides a precast concrete curing room adopts following technical scheme:

the utility model provides a precast concrete curing chamber, including the curing chamber, the one end of curing chamber is the entry end, the length direction who is the curing chamber along the entry end of curing chamber to the other end of curing chamber, be provided with multirow precast member group along the width direction of curing chamber in the curing chamber, every precast member group all includes a plurality of precast member bodies, be provided with between the interior roof of precast member body and curing chamber and be used for hanging the precast member body in the curing chamber hang the subassembly that hangs, be provided with the subassembly that sprays that is used for the precast member body water spray maintenance in the curing chamber, set up the water tank in the below of curing chamber, the bottom plate that permeates water has been laid between curing chamber and water tank, the bottom plate that permeates water has seted up a plurality of hole of permeating water, the hole of permeating water runs through the bottom plate that permeates water.

Through adopting above-mentioned technical scheme, hang the prefabricated part body in the curing chamber through hanging the subassembly, constitute multiunit prefabricated part group, then carry out the maintenance of spraying water for every prefabricated part body through the subassembly that sprays, unnecessary water falls to the bottom plate that permeates water on, passes the bottom plate that permeates water through the hole of permeating water and flows in to collect in the water tank to reached the effect that reduces water wasting of resources.

Optionally, the spray assembly includes spray pipe, water spout and connecting pipe, and the spray pipe is provided with many, and every prefabricated part body all is located between the spray pipe of adjacent two sets of spray assemblies, and the water spout is provided with a plurality ofly along the length direction of spray pipe on the lateral wall of spray pipe, the connecting pipe lay along the length direction of maintenance room and with the interior roof fixed connection of maintenance room, the spray pipe is linked together with the connecting pipe, the intercommunication has the raceway between the connecting pipe, the one end of raceway is passed the bottom plate that permeates water and is connected with the water pump at the internally connected with of water tank.

Through adopting above-mentioned technical scheme, the water pump with the water pump in the water tank suction to in the water delivery pipe, the water delivery pipe is leading-in to the connecting tube again with water, then in leading-in to every spray pipe with water by the connecting tube again, spray the water spray maintenance to the prefabricated part body to the surface completion of the prefabricated part body with water by the water spout to the effect of recycling the water source has been realized.

Optionally, be provided with in the curing room and be used for the clear clearance scraper blade for the bottom plate that permeates water, the length direction of clearance scraper blade sets up along the width direction of curing room, the bottom of clearance scraper blade and the upper surface butt of the bottom plate that permeates water, be provided with the lead screw in the curing room along the length direction of curing room, the lead screw pass from the inside of clearance scraper blade and with clearance scraper blade threaded connection, the both ends of lead screw are connected with the inner wall rotation at curing room both ends, the one end of lead screw is connected with and is used for driving lead screw pivoted first motor.

Through adopting above-mentioned technical scheme, when unnecessary moisture falls to the bottom plate that permeates water in the curing chamber on, can be adulterated with partial concrete piece, when the concrete piece on bottom plate surface that permeates water is too much, drive the lead screw through first motor and rotate, fall under the threaded connection effect between lead screw and clearance scraper blade, make the clearance scraper blade remove to the other end from the one end of curing chamber, and the piece of bottom plate upper surface that will permeate water pushes away the one end to the curing chamber, thereby the effect of the bottom plate clearance that permeates water has been played, make the hole of permeating water difficult the emergence jam, guaranteed that moisture can be smooth and pass the bottom plate that permeates water from the hole of permeating water and flow into to the water tank in.

Optionally, a collecting box is arranged below the curing chamber along the length direction of the cleaning scraper, the collecting box is positioned on one side of the water tank, and the bottom of the curing chamber is communicated with the inside of the collecting box.

Through adopting above-mentioned technical scheme, the in-process that the clearance scraper blade was removing pushes away the concrete piece to the collecting box in to realized the effect of collecting in unison the concrete piece, provide convenience for the staff to the clastic cleaning work of concrete.

Optionally, a cleaning opening is formed in one end of the collecting box, a door plate covers the surface of the cleaning opening, and one side of the door plate is hinged to the collecting box.

Through adopting above-mentioned technical scheme, when the piece in the collecting box was too much, the staff can open the door plant, clears up the concrete piece in the collecting box from clearance mouth department, provides convenience for the staff to the clastic cleaning work in the collecting box.

Optionally, be provided with the push pedal in the collecting box, the both sides of push pedal and the inner wall butt of collecting box both sides, the push pedal is along deviating from the one end of clearance mouth and remove towards the direction of clearance mouth, be provided with the threaded rod along the length direction of collecting box in the collecting box, the both ends of threaded rod are connected with the inner wall rotation at collecting box both ends, the one end of threaded rod is provided with and is used for driving threaded rod pivoted second motor, be provided with the connecting rod between push pedal and the threaded rod, the one end of connecting rod and the top fixed connection of push pedal, the other end and the threaded rod threaded connection of connecting rod.

Through adopting above-mentioned technical scheme, when the staff need clear up the collecting box, the accessible second motor is driving the threaded rod and is rotating, and the threaded rod passes through the connecting rod and is driving the push pedal and remove along the length direction of collecting box to push away the concrete piece to clearance mouthful department, thereby further provide convenience for the staff to the cleaning work in the collecting box.

Optionally, a pedal is laid on the top of the collecting box, and the pedal is in a grid shape.

Through adopting above-mentioned technical scheme, when the staff need enter into the maintenance room in, can step on the pedal and then enter into the maintenance room through the collecting box, avoid the staff to fall into in the collecting box, because of the pedal is network structure, when the clearance scraper blade pushes away the piece to the pedal, the piece can pass the pedal and fall into to the collecting box in.

Optionally, the suspension assembly comprises a suspension beam, a connecting block and a sliding block, the suspension beam is fixedly connected with the inner top wall of the curing chamber along the length direction of the curing chamber, a sliding groove is formed in the suspension beam along the length direction, a through groove is formed in the bottom of the suspension beam along the length direction, the through groove is communicated with the sliding groove, the section size of the sliding groove is larger than that of the through groove, the sliding groove and the through groove penetrate through the end part of the suspension beam, the connecting block is fixedly connected with the top of the prefabricated part body, the sliding block is fixedly connected with one side of the connecting block, which deviates from the prefabricated part body, and the sliding block is in sliding fit with the sliding groove.

Through adopting above-mentioned technical scheme, slide the slider in to the spout along the length direction of hanging beam, the connecting block is located logical inslot to promote the prefabricated part body and slide in to the inside of curing chamber, through the restriction of hanging beam to the slider, have good stability when making the prefabricated part body hang in the curing chamber.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water tank is additionally arranged below the curing chamber, and redundant water after the prefabricated part body is cured by the spraying assembly can flow into the water tank through the water permeable bottom plate for recycling, so that the waste of water resources is effectively reduced;

2. a cleaning scraper is additionally arranged above the water-permeable bottom plate, a collecting box is additionally arranged on one side of the water tank, and debris on the water-permeable bottom plate can be cleaned and fall into the collecting box through the movement of the cleaning scraper, so that convenience is provided for workers to clean the water-permeable bottom plate;

3. the push plate is additionally arranged in the collecting box, and the push plate moves towards the cleaning port in the collecting box, so that the collecting box can be cleaned, and convenience is provided for cleaning in the collecting box for workers.

Drawings

FIG. 1 is a schematic structural view of a curing room for precast concrete according to an embodiment of the present application;

FIG. 2 is a schematic structural view showing the internal structure of a curing room according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram showing a structure of a spray assembly according to an embodiment of the present application.

FIG. 4 is a schematic structural diagram of a cleaning scraper and collection box structure according to an embodiment of the present application.

FIG. 5 is a schematic structural diagram of the internal structure of the collecting box in the embodiment of the present application.

Fig. 6 is a schematic structural diagram of a suspension assembly structure according to an embodiment of the present application.

Description of reference numerals: 1. a curing room; 11. an inlet end; 12. a water permeable bottom plate; 121. water permeable holes; 2. a prefabricated part set; 21. a preform body; 3. a suspension assembly; 31. a suspension beam; 311. a chute; 312. a through groove; 32. a slider; 33. connecting blocks; 4. a spray assembly; 41. a water spray pipe; 42. a water spray nozzle; 43. a connecting pipe; 5. a water tank; 51. a water delivery pipe; 52. a water pump; 6. cleaning a scraper; 61. a lead screw; 62. a first motor; 7. a collection box; 71. cleaning the opening; 72. a door panel; 8. pushing the plate; 81. a threaded rod; 82. a second motor; 83. a connecting rod; 9. and (5) treading the pedal.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses concrete prefabricated part curing room.

Referring to fig. 1 and 2, a precast concrete curing room includes a curing room 1, one end of the curing room 1 is an inlet end 11 entering the curing room 1, the length direction of the curing room 1 is from the inlet end 11 of the curing room 1 to the other end of the curing room 1, a plurality of rows of precast pieces 2 are arranged in the curing room 1 along the width direction of the curing room 1, each group of precast pieces 2 includes a plurality of precast pieces 21, a plurality of groups of spraying assemblies 4 for spraying water for curing the precast pieces 21 are arranged in the curing room 1, each group of precast pieces 2 is located between two adjacent groups of spraying assemblies 4, and a hanging assembly 3 for hanging the precast pieces 21 is arranged between the top of the precast pieces 21 and the inner wall of the curing room 1. When the water spraying maintenance of the prefabricated part body 21 is needed, the prefabricated part body 21 is hung in the maintenance room 1 through the hanging assembly 3 to form a plurality of rows of prefabricated part groups 2, and then the spraying assembly 4 is used for spraying water to the surface of the prefabricated part body 21 so as to finish the maintenance work of the prefabricated part body 21.

Referring to fig. 1 and 2, a water tank 5 is disposed below a curing room 1, a water permeable bottom plate 12 is laid between the bottom of the curing room 1 and the top of the water tank 5, a plurality of water permeable holes 121 are formed in the water permeable bottom plate 12, and the water permeable holes 121 penetrate through the water permeable bottom plate 12.

Referring to fig. 2 and 3, the shower assembly 4 includes a shower pipe 41, a nozzle 42, and a connection pipe 43. The spray pipes 41 in each group of spray assemblies 4 are all provided with a plurality of, and the spray pipes 41 are arranged along the vertical direction, the preform body 21 is located between the spray pipes 41 in the adjacent two groups of spray assemblies 4, the water spray nozzles 42 are provided with a plurality of along the length direction of the spray pipes 41 on the side walls of the spray pipes 41, and the water spray nozzles 42 are communicated with the inside of the spray pipes 41, the connecting pipe 43 is laid along the length direction of the curing chamber 1 at the top of the curing chamber 1 and is fixedly connected with the inner top wall of the curing chamber 1, and the top of the spray pipe 41 in each group of spray assemblies 4 is communicated with the inside of the connecting pipe 43. A water pipe 51 is connected between the connecting pipes 43, a water pump 52 is arranged in the water tank 5, and one end of the water pipe 51 passes through the water-permeable bottom plate 12 and is connected with the water pump 52. When the water spraying maintenance is performed on the preform body 21, the water pump 52 pumps water into the water conveying pipe 51, then the water is conveyed into the connecting pipes 43 in each group of spraying assemblies 4 through the water conveying pipe 51, the connecting pipes 43 convey the water into the water spraying pipes 41, and then the water is sprayed to the surface of the preform body 21 through the water spraying nozzles 42, so that the water spraying maintenance work on the preform body 21 is completed. The excessive water flows down to the bottom plate 12 that permeates water, passes the bottom plate 12 that permeates water from permeating water hole 121 and flows into to the water tank 5 in to retrieve the unnecessary moisture and recycle, reduced the extravagant phenomenon of water resource.

Referring to fig. 2 and 4, the cleaning blade 6 is provided above the water-permeable bottom plate 12, the cleaning blade 6 is provided in the longitudinal direction along the width direction of the curing chamber 1, the bottom of the cleaning blade 6 abuts against the upper surface of the water-permeable bottom plate 12, and the cleaning blade 6 moves in the longitudinal direction of the curing chamber 1. Be equipped with lead screw 61 in curing chamber 1 along the length direction of curing chamber 1, lead screw 61 passes and with clearance scraper 6 threaded connection from the middle part of clearance scraper 6, and the inner wall at the both ends of lead screw 61 and curing chamber 1 rotates and is connected, and curing chamber 1 deviates from one side at entry end 11 and installs first motor 62, the output shaft of first motor 62 and the tip fixed connection of lead screw 61. The water tank 5 is provided with a collecting box 7 at one side close to the inlet end 11, the collecting box 7 is positioned below the curing chamber 1, the length direction of the collecting box 7 is vertical to the length direction of the curing chamber 1, and the bottom of the curing chamber 1 is communicated with the inside of the collecting box 7. When carrying out the water spray maintenance to the prefabricated part body 21, it falls to the bottom plate 12 that permeates water to probably have partial concrete piece, do not lead to the fact the jam to the hole 121 that permeates water for guaranteeing the concrete bits, when the concrete bits on the bottom plate 12 that permeates water are too much, it rotates to drive lead screw 61 through first motor 62, under the threaded connection effect between lead screw 61 and clearance scraper blade 6, make clearance scraper blade 6 remove to collecting box 7 along the length direction of maintenance room 1, and push the concrete bits in to collecting box 7, thereby the good effect of permeating water of bottom plate 12 that permeates water has been guaranteed, it is convenient also to the cleaning work of bottom plate 12 that permeates water for the staff simultaneously.

Referring to fig. 4, a cleaning opening 71 is formed at one end of the collecting box 7, a door plate 72 covers the surface of the cleaning opening 71, and one side of the door plate 72 is hinged to the collecting box 7.

Referring to fig. 5, a push plate 8 is arranged in the collection box 7, two sides of the push plate 8 are abutted against inner walls of two sides of the collection box 7, the bottom of the push plate 8 is abutted against an inner bottom wall of the collection box 7, the push plate 8 moves along the length of the collection box 7 towards the direction of the cleaning opening 71, a threaded rod 81 is arranged in the collection box 7 along the length direction of the collection box 7, two ends of the threaded rod 81 are rotatably connected with inner walls of two ends of the collection box 7, a second motor 82 is arranged at one end of the threaded rod 81, a machine body of the second motor 82 is fixedly installed on the side wall of the collection box 7, and an output shaft end of the second motor 82 is fixedly connected with an end of the threaded rod 81. The threaded rod 81 is positioned above the push plate 8, a connecting rod 83 is arranged between the threaded rod 81 and the push plate 8, the bottom of the connecting rod 83 is fixedly connected with the top of the push plate 8, and the threaded rod 81 penetrates through the connecting rod 83 from the position close to the top and is in threaded connection with the connecting rod 83. When the staff need clear up in the collecting box 7, the staff opens door plant 72, then drive threaded rod 81 through second motor 82 and rotate, threaded connection through threaded rod 81 and connecting rod 83, and under the limiting action of collecting box 7 lateral wall to push pedal 8 both sides, make push pedal 8 remove and push away the concrete piece to clearance mouth 71 towards the direction of clearance mouth 71 and to clearance mouth 71, the staff again clears up the concrete piece in clearance mouth 71, thereby it provides convenience to the piece cleaning work in the collecting box 7 for the staff.

Referring to fig. 4, the top of the collection box 7 is covered with a pedal 9, and the pedal 9 is in a grid shape. When the staff need enter into the curing room 1, can step on the footboard 9 and pass through the collecting box 7 to prevent that the staff from stepping into in the collecting box 7, when the clearance scraper 6 pushes the concrete piece to the footboard 9, the concrete piece can pass and fall into in the collecting box 7 from the footboard 9.

Referring to fig. 2 and 6, the suspension assembly 3 includes a suspension beam 31, a slider 32 and a connecting block 33, the suspension beam 31 is disposed inside the curing chamber 1 along the length direction of the curing chamber 1, the suspension beam 31 is fixedly connected with the inner top wall of the curing chamber 1, the bottom of the connecting block 33 is fixedly connected with the top of the prefabricated part body 21 through a bolt, the slider 32 is fixedly connected with one side of the connecting block 33 departing from the prefabricated part body 21, the suspension beam 31 and the connecting block are of an integrally formed structure, a sliding groove 311 slidably fitted with the slider 32 is disposed inside the suspension beam 31 along the length direction, a through groove 312 is disposed at the bottom of the suspension beam 31, the through groove 312 is communicated with the sliding groove 311, the through groove 312 and the sliding groove 311 penetrate through the side wall of the suspension beam 31 near the inlet end 11, and the cross-sectional dimension of the sliding groove 311 is greater than that of the through groove 312. When the prefabricated part body 21 needs to be hung in the curing chamber 1, the sliding blocks 32 slide into the sliding grooves 311, the connecting blocks 33 are located in the through grooves 312, then the prefabricated part body 21 is pushed into the curing chamber 1, the sliding blocks 32 are limited through the sliding grooves 311, the connection and the fixation between the hanging beams 31 and the prefabricated part body 21 are realized, and good stability is provided for the prefabricated part body 21.

The implementation principle of a precast concrete curing chamber of the embodiment of the application is: hang the prefabricated part body 21 in the curing room 1, then take out water through water pump 52, then loop through raceway 51, connecting pipe 43 and spray pipe 41 after by water spray nozzle 42 with water spray to the surface of prefabricated part body 21 again, unnecessary moisture falls to the bottom plate 12 that permeates water again to in flowing into water tank 5 again through permeating water hole 121, thereby can make the water cyclic utilization in the water tank 5, reduced the waste of water resource.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a precast concrete curing chamber which characterized in that: comprises a curing room (1), one end of the curing room (1) is an inlet end (11), the length direction of the curing room (1) is arranged from the inlet end (11) of the curing room (1) to the other end of the curing room (1), a plurality of rows of prefabricated part groups (2) are arranged in the curing room (1) along the width direction of the curing room (1), each prefabricated part group (2) comprises a plurality of prefabricated part bodies (21), a suspension assembly (3) used for suspending the prefabricated part bodies (21) in the curing room (1) is arranged between the prefabricated part bodies (21) and the inner top wall of the curing room (1), a spray assembly (4) used for spraying water for curing the prefabricated part bodies (21) is arranged in the curing room (1), a water permeable bottom plate (12) is laid between the curing room (1) and the water tank (5), and a plurality of water permeable holes (121) are formed in the water permeable bottom plate (12), the water permeable holes (121) penetrate through the water permeable bottom plate (12).

2. A precast concrete curing room as recited in claim 1, wherein: spray assembly (4) are including spray pipe (41), water spray nozzle (42) and connecting pipe (43), spray pipe (41) are provided with many, every prefabricated part body (21) all is located between spray pipe (41) of adjacent two sets of spray assembly (4), water spray nozzle (42) are provided with a plurality ofly along the length direction of spray pipe (41) on the lateral wall of spray pipe (41), connecting pipe (43) are laid along the length direction of maintenance room (1) and with the interior roof fixed connection of maintenance room (1), spray pipe (41) are linked together with connecting pipe (43), the intercommunication has conduit (51) between connecting pipe (43), the one end of conduit (51) is passed bottom plate (12) that permeates water and is connected with water pump (52) at the internal connection of water tank (5).

3. A precast concrete curing room as recited in claim 1, wherein: be provided with in maintenance room (1) and be used for permeating water clear clearance scraper blade (6) of bottom plate (12), the length direction of clearance scraper blade (6) sets up along the width direction of maintenance room (1), the bottom of clearance scraper blade (6) and the upper surface butt of bottom plate (12) that permeates water, be provided with lead screw (61) in maintenance room (1) along the length direction of maintenance room (1), lead screw (61) pass and with clearance scraper blade (6) threaded connection from the inside of clearance scraper blade (6), the both ends of lead screw (61) are connected with the inner wall rotation at maintenance room (1) both ends, the one end of lead screw (61) is connected with and is used for driving lead screw (61) pivoted first motor (62).

4. A precast concrete curing room as recited in claim 1, wherein: the lower part of the curing chamber (1) is provided with a collecting box (7) along the length direction of the cleaning scraper (6), the collecting box (7) is positioned on one side of the water tank (5), and the bottom of the curing chamber (1) is communicated with the inside of the collecting box (7).

5. A precast concrete curing room according to claim 4, wherein: cleaning opening (71) have been seted up to the one end of collecting box (7), and the surface covering of cleaning opening (71) has door plant (72), and one side of door plant (72) is articulated with collecting box (7).

6. A precast concrete curing room according to claim 5, wherein: be provided with push pedal (8) in collecting box (7), the both sides of push pedal (8) and the inner wall butt of collecting box (7) both sides, push pedal (8) are along deviating from the direction removal of clearance mouthful (71) towards the one end of clearance mouthful (71), be provided with threaded rod (81) along the length direction of collecting box (7) in collecting box (7), the both ends of threaded rod (81) are connected with the inner wall rotation at collecting box (7) both ends, the one end of threaded rod (81) is provided with and is used for driving threaded rod (81) pivoted second motor (82), be provided with connecting rod (83) between push pedal (8) and threaded rod (81), the one end of connecting rod (83) and the top fixed connection of push pedal (8), the other end and threaded rod (81) threaded connection of connecting rod (83).

7. A precast concrete curing room according to claim 4, wherein: the top of the collecting box (7) is paved with a pedal (9), and the pedal (9) is in a grid shape.

8. A precast concrete curing room as recited in claim 1, wherein: the suspension assembly (3) comprises a suspension beam (31), a connecting block (33) and a sliding block (32), the suspension beam (31) is fixedly connected with the inner top wall of the curing chamber (1) along the length direction of the curing chamber (1), a sliding groove (311) is formed in the suspension beam (31) along the length direction, a through groove (312) is formed in the bottom of the suspension beam (31) along the length direction, the through groove (312) is communicated with the sliding groove (311), the section size of the sliding groove (311) is larger than that of the through groove (312), the sliding groove (311) and the through groove (312) penetrate through the end part of the suspension beam (31), the connecting block (33) is fixedly connected with the top of the prefabricated part body (21), the sliding block (32) is fixedly connected with one side, deviating from the prefabricated part body (21), of the sliding block (32) and the sliding groove (311) are matched in a sliding mode.