CN213812297U

CN213812297U - A multidirectional leveling device for indoor decoration

Info

Publication number: CN213812297U
Application number: CN202023281272.3U
Authority: CN
Inventors: 王维毅; 耿涛; 刘思嘉
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-27
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a multidirectional horizontal measuring device for indoor design, which belongs to the technical field of horizontal measuring devices and aims to solve the problems that the height of the existing horizontal measuring device can be adjusted, but the adjusting process is time-consuming and labor-consuming, and the efficiency of the horizontal measuring device during height adjustment is reduced; the bottom end face of the hexagonal support plate is connected with three support rods in an annular array shape in a rotating mode through a rotating shaft. During the altitude mixture control, rotate the drive shaft through manual, make first bevel gear drive second bevel gear and rotate, under the screw thread effect, support screw drives the elevating platform and goes on linear motion from top to bottom to make the level gauge main part height on the elevating platform obtain quick adjustment, whole accommodation process labour saving and time saving, and then improved the efficiency when this level measuring device altitude mixture control.

Description

A multidirectional leveling device for indoor decoration

Technical Field

The utility model belongs to the technical field of the level measurement device, more specifically say, in particular to a multidirectional level measurement device for indoor decoration.

Background

The indoor design is to create an indoor environment which has reasonable functions and meets the requirements of people on material and mental life by applying material technical means and building design principles according to the use properties, the environment and corresponding standards of buildings. The space environment has use value, meets corresponding functional requirements, and reflects the mental factors of historical context, architectural style, environmental atmosphere and the like.

As in application No.: CN201822033132.0 the utility model relates to the technical field of road measurement, in particular to a multifunctional measuring device for highway design, which solves the defects of more existing highway measuring tools, inconvenient transportation, complex measuring process and long measuring time, comprising a fixed seat, wherein the top of the fixed seat is clamped and fixed with a level gauge, a depth measuring rod is adjusted by an adjusting rod to realize lifting in a loop bar, a horizontal rubber pad at the end of the depth measuring rod is contacted with the bottom of a pit, the depth of the pit is conveniently read from the scale on the surface of the depth measuring rod, a supporting loop bar is outwards opened through a connecting shaft and is supported around the pit, a horizontal measuring rod groove at the end of the loop bar is extended into the top of the pit, a horizontal measuring telescopic rod is pulled to be contacted with the side walls at the two ends of the top of the pit, the caliber of the pit is conveniently read through the scale on the surface of the horizontal measuring telescopic rod, the structure is simple, not only horizontal mapping can be carried out on the road surface, and the road pit can be measured, so that the practicability is high.

Based on the above patent search, and the discovery of the devices in the prior art, when designing interior decoration, a multi-directional leveling device is usually used, and the existing leveling device has the following disadvantages in the actual use process, such as: current level measurement device is when using, although can carry out altitude mixture control, but when adjusting, because need not become flexible earlier fastening bolt on the three bracing piece, then slide adjusting about going on three supporting legs again, the fastening of rethread fastening bolt after adjusting well, whole accommodation process is wasted time and energy, and then efficiency when having reduced level measurement device altitude mixture control, and current level measurement device is when removing, because need pull down the measuring apparatu from the support frame through the instrument, then put into the toolbox and carry, and lack effective clamping structure on the current level measurement device, can not carry out the centre gripping with the horizontal scale that together carries and carry, and then greatly reduced the convenience when the whole of level measurement device carries.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a multi-directional level measurement device for indoor design is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, the utility model provides a multi-directional level measuring device for indoor design, the device can solve the problem that when the existing level measuring device is used, although the height can be adjusted, when in adjustment, because the fastening bolts on the three supporting rods need to be loosened, then the three supporting legs are adjusted in a vertical sliding manner and fastened through the fastening bolts after being adjusted, the whole adjusting process is time-consuming and labor-consuming, which in turn reduces the efficiency of the leveling device in height adjustment, and the prior leveling devices, when moving, because the measuring instrument needs to be detached from the supporting frame through a tool and then put into a tool box for carrying, and the existing horizontal measuring device is lack of an effective clamping structure, and a horizontal scale which is carried together cannot be clamped and carried, so that the problem of convenience in carrying the whole horizontal measuring device is greatly reduced.

The utility model is used for indoor design's multidirectional level measurement device's purpose and efficiency are reached by following specific technological means:

a multi-directional horizontal measuring device for indoor design comprises a hexagonal support plate, wherein a lifting table is arranged at the upper part of the hexagonal support plate, and a horizontal measuring instrument main body is arranged on the upper end surface of the lifting table; the bottom end face of the hexagonal support plate is rotatably connected with three support rods in an annular array shape through a rotating shaft, and the right side of the upper part of the hexagonal support plate is provided with a driving mechanism; the front end face of one of the support rods at the front side is connected with a binding piece; a protective cover is arranged above the lifting table, and a clamping mechanism is arranged on the front end face of the protective cover; a leveling staff is clamped at the inner side of the clamping mechanism; a bearing is embedded in the inner side of the central part of the upper end surface of the hexagonal support plate; the lifting platform comprises a frame-shaped baffle, a supporting screw rod, a connecting block and an elastic buckle, the frame-shaped baffle is arranged at the edge of the upper end face of the lifting platform, and the central part of the bottom end face of the lifting platform is provided with the supporting screw rod; the bottom end face of the lifting platform is provided with three guide rods in an annular array shape; the utility model discloses a spacing slide post of frame shape baffle, including frame shape baffle, connecting block, elastic buckle, spring, connecting block upper end face, and all be equipped with a spacing slide post in every rectangle through hole, every spacing slide post outside equal sliding connection has an elastic buckle on the connecting block, and every spacing slide post outside has all cup jointed the spring.

Furthermore, when the lifting platform and the hexagonal support plate are in an installation state, the three guide pipes on the bottom end surface of the lifting platform are evenly connected with the hexagonal support plate in a sliding manner.

Furthermore, the driving mechanism comprises a driving shaft, a first bevel gear, a threaded cylinder and a second bevel gear, the driving shaft is rotatably connected to the right side of the upper portion of the hexagonal support plate through two rotating shaft supports, the first bevel gear and the rotating hand wheel are respectively arranged at the left end and the right end of the driving shaft, the threaded cylinder is connected to the outside of the supporting screw through threaded threads, the second bevel gear is arranged on the outside of the threaded cylinder and meshed with the first bevel gear, and the threaded cylinder is rotatably connected to the inner side of the bearing on the hexagonal support plate.

Further, it pastes hair side and hook face including tying up area, magic including tying up to tie up the piece, tie up area fixed connection terminal surface before a bracing piece of front side, and tie up the area before the terminal surface right side be equipped with magic and paste the hair side, it is equipped with hook face to tie up area rear end face left side, works as when tying up the piece is in and ties up the state, tie up the area and twine outside three spinal branch vaulting poles, and hook face looks thread gluing is pasted to magic and hook face.

Further, the protection casing includes spacing slide bar, rubber gyro wheel and joint piece, four contained angles departments of protection casing bottom face all are equipped with a spacing slide bar, and every spacing slide bar outside has all cup jointed the spring, two rubber gyro wheels are installed through the support frame on protection casing rear end face upper portion, and protection casing right-hand member face lower part is equipped with the joint piece, the rectangle bayonet socket has been seted up to joint piece bottom face, works as when protection casing and elevating platform are in the mounted state, four spacing slide bars slide with four contained angles departments of elevating platform respectively and be connected with the slip.

Further, fixture includes Contraband font backup pad, clamping screw and grip block, terminal surface right side before the protection casing is connected to Contraband font backup pad fixed connection, and Contraband font backup pad medial surface middle part has seted up the bar opening, rotate through the bearing in the bar opening in the Contraband font backup pad and be connected with clamping screw, and the clamping screw outside is equipped with two reverse screw threads, clamping screw is outside to be connected with two nuts through two reverse screw threads, and a grip block of the equal fixedly connected with in every nut upper portion, two grip block opposite face centre gripping has the levelling rod, and every grip block rear end face all is equipped with two rectangle sliders, Contraband font backup pad inboard personally submits the longitudinal symmetry form and has seted up two bar spouts, and two bar spouts respectively with the grip block on two rectangle sliders slide and be connected.

Furthermore, when the protective cover is in a closed state on the upper part of the lifting platform, the rectangular bayonet arranged on the clamping block is clamped with the two elastic buckles.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through the cooperation of a screw thread section of thick bamboo and supporting screw, when needs carry out altitude mixture control, at first rotate the drive shaft through manual, make first bevel gear drive second bevel gear and rotate, then a screw thread section of thick bamboo rotates at hexagonal extension board upper bearing inboard, under the screw thread effect of a screw thread section of thick bamboo, make supporting screw drive the elevating platform and carry out linear motion from top to bottom to make the level gauge main part height on the elevating platform obtain quick adjustment, whole accommodation process labour saving and time saving, and then improved the efficiency when this level gauge device altitude mixture control.

2. Through installing two rubber gyro wheels on with the safety cover, when needs remove, at first press the protection casing downwards and close, then will tie up the area and twine to three spinal branch vaulting poles outsidely, paste the thread gluing of hair side and hook face through the magic, make three spinal branch vaulting poles obtain the effect of tying up, then pass through the fixture centre gripping with the levelling rod in the protection casing front side, then with two rubber gyro wheels and ground contact, then through on the spinal branch vaulting pole of front side the handle with this level measurement device remove can, and then the convenience when this level measurement device wholly carries has been improved greatly.

Drawings

Fig. 1 is a schematic view of a first viewing angle structure of the present invention.

Fig. 2 is a schematic view of a second viewing angle structure according to the present invention.

Fig. 3 is a schematic structural diagram of the present invention in a disassembled state.

Fig. 4 is a schematic structural diagram of the lifting platform and the driving mechanism of the present invention.

Fig. 5 is a schematic diagram of a partially enlarged structure at a in fig. 4 according to the present invention.

Fig. 6 is a schematic structural view of the support rod and the binding member of the present invention.

Fig. 7 is a schematic structural view of the protective cover and the clamping mechanism of the present invention.

Fig. 8 is a schematic diagram of a partially enlarged structure at B in fig. 7 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a hexagonal support plate; 2. a lifting platform; 201. a frame-shaped baffle; 202. a support screw; 203. connecting blocks; 204. elastic buckle; 3. a drive mechanism; 301. a drive shaft; 302. a first bevel gear; 303. a threaded barrel; 304. a second bevel gear; 4. a support bar; 5. binding pieces; 501. binding a belt; 502. magic tape hair side; 503. hook surface of magic tape; 6. a level gauge body; 7. a protective cover; 701. a limiting slide bar; 702. a rubber roller; 703. a clamping block; 8. a clamping mechanism; 801. contraband font supporting plate; 802. clamping the screw rod; 803. a clamping block; 9. a leveling staff.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the utility model provides a multi-directional level measuring device for indoor design, which comprises a hexagonal support plate 1, wherein the upper part of the hexagonal support plate 1 is provided with a lifting platform 2, and the upper end surface of the lifting platform 2 is provided with a level measuring instrument main body 6; the bottom end surface of the hexagonal support plate 1 is rotatably connected with three support rods 4 in an annular array shape through a rotating shaft, and the right side of the upper part of the hexagonal support plate 1 is provided with a driving mechanism 3; the driving mechanism 3 comprises a driving shaft 301, a first bevel gear 302, a threaded cylinder 303 and a second bevel gear 304, the driving shaft 301 is rotatably connected to the right side of the upper part of the hexagonal support plate 1 through two rotating shaft supports, the first bevel gear 302 and a rotating hand wheel are respectively arranged at the left end and the right end of the driving shaft 301, the threaded cylinder 303 is connected to the outside of the supporting screw 202 through threaded threads, the second bevel gear 304 is arranged on the outside of the threaded cylinder 303, the second bevel gear 304 is meshed with the first bevel gear 302, and the threaded cylinder 303 is rotatably connected to the inner side of the bearing on the hexagonal support plate 1; the front end face of one supporting rod 4 at the front side is connected with a binding piece 5; the binding piece 5 comprises a binding band 501, a magic tape hair side 502 and a magic tape hook side 503, the binding band 501 is fixedly connected with the front end face of one support rod 4 on the front side, the right side of the front end face of the binding band 501 is provided with the magic tape hair side 502, the left side of the rear end face of the binding band 501 is provided with the magic tape hook side 503, when the binding piece 5 is in a binding state, the binding band 501 is wound outside the three support rods 4, and the magic tape hair side 502 and the magic tape hook side 503 are fastened, so that the three support rods 4 can obtain an effective binding effect; a protective cover 7 is arranged above the lifting platform 2, the protective cover 7 comprises limiting slide rods 701, rubber idler wheels 702 and clamping blocks 703, one limiting slide rod 701 is arranged at each of four included angles of the bottom end face of the protective cover 7, a spring is sleeved outside each limiting slide rod 701, two rubber idler wheels 702 are mounted on the upper portion of the rear end face of the protective cover 7 through a supporting frame, the clamping block 703 is arranged on the lower portion of the right end face of the protective cover 7, a rectangular bayonet is formed in the bottom end face of the clamping block 703, and when the protective cover 7 and the lifting platform 2 are in an installation state, the four limiting slide rods 701 are respectively connected with the four included angles of the lifting platform 2 in a sliding mode, so that the protective cover 7 is more stable when sliding up and down; the front end surface of the protective cover 7 is provided with a clamping mechanism 8; a leveling staff 9 is clamped inside the clamping mechanism 8; a bearing is embedded in the inner side of the central part of the upper end surface of the hexagonal support plate 1; the lifting platform 2 comprises a frame-shaped baffle 201, a supporting screw 202, a connecting block 203 and an elastic buckle 204, the frame-shaped baffle 201 is arranged at the edge of the upper end face of the lifting platform 2, and the central part of the bottom end face of the lifting platform 2 is provided with the supporting screw 202; the bottom end surface of the lifting platform 2 is provided with three guide rods in an annular array shape; a connecting block 203 is arranged in the middle of the right end face of the frame-shaped baffle 201, two rectangular through holes are formed in the upper end face of the connecting block 203, a limiting slide column is arranged in each rectangular through hole, an elastic buckle 204 is connected to the outside of each limiting slide column on the connecting block 203 in a sliding mode, and a spring is sleeved on the outside of each limiting slide column; when the protection cover 7 is in a closed state on the upper part of the lifting platform 2, the rectangular bayonet arranged on the clamping block 703 is clamped with the two elastic buckles 204, so that the protection cover 7 can be effectively limited.

When the lifting platform 2 and the hexagonal support plate 1 are in an installation state, the three guide pipes on the bottom end face of the lifting platform 2 are connected with the hexagonal support plate 1 in a sliding mode, so that the lifting platform 2 is more stable when moving up and down.

Wherein the clamping mechanism 8 comprises an Contraband-shaped supporting plate 801, a clamping screw 802 and a clamping block 803, the Contraband-shaped supporting plate 801 is fixedly connected to the right side of the front end face of the protective cover 7, and the middle part of the inner side surface of the Contraband-shaped supporting plate 801 is provided with a strip-shaped through hole, the strip-shaped through hole on the Contraband-shaped supporting plate 801 is rotatably connected with a clamping screw 802 through a bearing, two reverse threads are arranged on the outer part of the clamping screw 802, two nuts are connected on the outer part of the clamping screw 802 through the two reverse threads, and the upper part of each nut is fixedly connected with a clamping block 803, the opposite surfaces of the two clamping blocks 803 clamp a leveling staff 9, and the rear end face of each clamping block 803 is provided with two rectangular slide blocks, the inner side face of the Contraband-shaped supporting plate 801 is provided with two strip-shaped sliding grooves which are vertically symmetrical, and the two strip-shaped sliding grooves are respectively connected with the two rectangular sliding blocks on the clamping block 803 in a sliding manner, so that the clamping block 803 is more reliable when clamped on the inner side of the Contraband-shaped supporting plate 801.

The specific use mode and function of the embodiment are as follows:

in the utility model, when the height adjusting device is used, when the height adjusting device needs to be adjusted, the driving shaft 301 is manually rotated, the first bevel gear 302 drives the second bevel gear 304 to rotate, then the threaded cylinder 303 rotates on the inner side of the bearing on the hexagonal support plate 1, and under the action of the thread of the threaded cylinder 303, the supporting screw 202 drives the lifting platform 2 to move linearly up and down, so that the height of the main body 6 of the leveling instrument on the lifting platform 2 is quickly adjusted, the whole adjusting process is time-saving and labor-saving, and the height adjusting efficiency of the leveling device is further improved;

when the leveling instrument needs to be moved, firstly, the protective cover 7 is pressed downwards, so that the external spring of the limiting slide rod 701 is compressed to the inner side of the frame-shaped baffle 201, when the bottom end face of the protective cover 7 is contacted with the upper end of the frame-shaped baffle 201, the rectangular bayonet arranged on the clamping block 703 is clamped with the two elastic buckles 204, so that the protective cover 7 in a closed state can obtain an effective limiting effect, then the binding belt 501 is wound outside the three support rods 4, the three support rods 4 are tightly bound through the thread gluing of the magic tape rough surface 502 and the magic tape hook surface 503, then the leveling staff 9 is clamped at the front side of the protective cover 7 through the clamping mechanism 8, when in clamping, the leveling staff 9 is placed between the opposite surfaces of the two clamping blocks 803, then the two nuts are moved to opposite directions under the reverse thread action outside the clamping screw 802 by rotating the clamping screw 802, so that the two clamping blocks 803 clamp the leveling staff 9, then with two rubber idler wheels 702 and ground contact, then through a bracing piece 4 of front side go up the handle with this level measurement device remove can, and then improved the convenience when this level measurement device wholly carries greatly.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A multi-directional leveling device for indoor designs, characterized by: the device comprises a hexagonal support plate (1), wherein a lifting table (2) is arranged at the upper part of the hexagonal support plate (1), and a horizontal measuring instrument main body (6) is arranged on the upper end surface of the lifting table (2); the bottom end surface of the hexagonal support plate (1) is rotatably connected with three support rods (4) in an annular array shape through a rotating shaft, and the right side of the upper part of the hexagonal support plate (1) is provided with a driving mechanism (3); the front end face of one of the support rods (4) at the front side is connected with a binding piece (5); a protective cover (7) is arranged above the lifting platform (2), and a clamping mechanism (8) is arranged on the front end face of the protective cover (7); a leveling staff (9) is clamped at the inner side of the clamping mechanism (8); a bearing is embedded in the inner side of the central part of the upper end surface of the hexagonal support plate (1); the lifting platform (2) comprises a frame-shaped baffle (201), a supporting screw rod (202), a connecting block (203) and an elastic buckle (204), the frame-shaped baffle (201) is arranged at the edge of the upper end face of the lifting platform (2), and the central part of the bottom end face of the lifting platform (2) is provided with the supporting screw rod (202); the bottom end surface of the lifting platform (2) is provided with three guide rods in an annular array shape; frame shape baffle (201) right-hand member face middle part is equipped with connecting block (203), and two rectangle openings have been seted up to connecting block (203) up end, and all is equipped with a spacing traveller in every rectangle opening, every spacing traveller outside equal sliding connection has an elasticity buckle (204) on connecting block (203), and every spacing traveller outside has all cup jointed the spring.

2. The multi-directional leveling device for indoor design according to claim 1, wherein: when the lifting platform (2) and the hexagonal support plate (1) are in an installation state, the three guide pipes on the bottom end face of the lifting platform (2) are connected with the hexagonal support plate (1) in a sliding mode.

3. The multi-directional leveling device for indoor design according to claim 1, wherein: the driving mechanism (3) comprises a driving shaft (301), a first bevel gear (302), a threaded cylinder (303) and a second bevel gear (304), the driving shaft (301) is rotatably connected to the right side of the upper portion of the hexagonal support plate (1) through two rotating shaft supports, the left end and the right end of the driving shaft (301) are respectively provided with the first bevel gear (302) and a rotating hand wheel, the threaded cylinder (303) is connected to the outer portion of the supporting screw rod (202) through threaded threads, the second bevel gear (304) is arranged on the outer portion of the threaded cylinder (303), the second bevel gear (304) is meshed with the first bevel gear (302), and the threaded cylinder (303) is rotatably connected to the inner side of a bearing on the hexagonal support plate (1).

4. The multi-directional leveling device for indoor design according to claim 1, wherein: bind up tight piece (5) and paste hair side (502) and hook face (503) including binding up area (501), magic, bind up terminal surface before area (501) fixed connection bracing piece (4) in the front side, and bind up and be equipped with magic subsides hair side (502) on the terminal surface right side before area (501), bind up and take (501) rear end face left side to be equipped with magic subsides hook face (503), work as when binding up tight piece (5) are in and bind up the state, bind up area (501) and twine in three spinal branch vaulting poles (4) outsidely, and hook face (503) are pasted mutually to magic subsides hair side (502) and magic.

5. The multi-directional leveling device for indoor design according to claim 1, wherein: protection casing (7) include limit slide bar (701), rubber gyro wheel (702) and joint piece (703), four contained angle departments of protection casing (7) bottom face all are equipped with a limit slide bar (701), and every limit slide bar (701) outside all has cup jointed the spring, two rubber gyro wheels (702) are installed through the support frame to protection casing (7) rear end face upper portion, and protection casing (7) right-hand member face lower part is equipped with joint piece (703), the rectangle bayonet socket has been seted up to joint piece (703) bottom face, works as when protection casing (7) are in the installation state with elevating platform (2), four limit slide bar (701) are connected with four contained angle departments of elevating platform (2) slip respectively.

6. The multi-directional leveling device for indoor design according to claim 1, wherein: the clamping mechanism (8) comprises a Contraband-shaped supporting plate (801), a clamping screw (802) and clamping blocks (803), the Contraband-shaped supporting plate (801) is fixedly connected to the right side of the front end face of the protective cover (7), a strip-shaped through hole is formed in the middle of the inner side face of the Contraband-shaped supporting plate (801), the clamping screw (802) is rotatably connected to the strip-shaped through a bearing in the strip-shaped through hole in the Contraband-shaped supporting plate (801), two reverse threads are arranged on the outer portion of the clamping screw (802), two nuts are connected to the outer portion of the clamping screw (802) through the two reverse threads, a clamping block (803) is fixedly connected to the upper portion of each nut, a leveling staff (9) is clamped to the opposite faces of the two clamping blocks (803), two rectangular sliding blocks are arranged on the rear end face of each clamping block (803), two strip-shaped sliding grooves are symmetrically formed in the inner side of the Contraband-shaped supporting plate (801) up and down, and the two strip-shaped sliding grooves are respectively connected with the two rectangular sliding blocks on the clamping block (803) in a sliding way.

7. The multi-directional leveling device for indoor design according to claim 1, wherein: when the protective cover (7) is in a closed state on the upper part of the lifting platform (2), the rectangular bayonet arranged on the clamping block (703) is clamped with the two elastic buckles (204).