CN112554282A

CN112554282A - Fixing device and faucet mounting device

Info

Publication number: CN112554282A
Application number: CN201910911493.7A
Authority: CN
Inventors: 魏志坚; 赵振文; 晏小虎; 胡力宏
Original assignee: Xiamen Solex High Tech Industries Co Ltd
Current assignee: Xiamen Solex High Tech Industries Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2021-03-26
Also published as: EP3798374A1; US20210087799A1; EP3798374B1

Abstract

The invention discloses a fixing device and a faucet mounting device. The fixing device comprises a base and a pressing block mechanism, and the pressing block mechanism comprises two pressing plates; the two pressing plates are respectively connected with a locking rod, the inner side wall of the base is convexly provided with two connecting seats, at least one locking rod can move between a working state and a moving state relative to the base, the movement of the locking rod between the working state and the moving state is matched with the change of the pressing block mechanism between an opening state and a closing state, and the locking rod can be driven to move through the change of the pressing block mechanism or the change of the pressing block mechanism is driven through the movement of the locking rod, so that the installation and the disassembly are convenient.

Description

Fixing device and faucet mounting device

Technical Field

The present disclosure relates to fixing devices, and particularly to a fixing device and a faucet mounting device.

Background

CN206607638U, fixing device for fixing sanitary fittings, the fixing base has bolt through openings, reverse retaining elements and fixing bolts, the reverse retaining elements are respectively configured for abutting against the inner side face of the base, the fixing bolts are respectively inserted through the bolt through openings and are respectively retained at the head side and screwed into the reverse retaining elements at the foot side. In the assembled arrangement of the fastening device, an assembly free space is formed between the respective screw passage opening and the inserted fastening screw. By means of which the counter-holding elements preassembled at the fastening bolt can be moved toward one another with a deflection of the fastening bolt into an assembly position in which the counter-holding elements fit through the fastening openings. Furthermore, the fastening device comprises a flexible bow which connects at least two of the counter holding elements in such a way that the counter holding elements can move back on themselves from the counter holding position into the insertion position. Because the bow is flexible material, consequently, on the one hand, need its deformation of manual control during the assembly just can make it pass the mounting hole of mesa, on the other hand, the bow both ends can produce elastic deformation, can't ensure that bow both ends are located the coplanar and lock under the mesa, and joint strength is not high. The solution of JP4968629B2 also suffers from the above-mentioned drawbacks.

CN208152161U, a quick-assembling structure on tap platform, including a diameter is greater than fixing base, a locking mechanism and a bolt of mesa mounting hole, the fixing base is equipped with an installation passageway that supplies the pipeline to pass through and a mounting hole that supplies the bolt to pass, and the periphery of fixing base and the cooperation of tap valve body, the fixing base still are equipped with a restriction locking mechanism pivoted stop gear, locking mechanism includes the support that can pass the mesa mounting hole and at least one rotatable elastic mechanism who sets up in support one side, is equipped with one on the support with bolt complex bolt hole, stop gear's one end is connected the fixing base, other end linking bridge. In the technical scheme, the bolt is connected with the support and the fixed seat to fixedly connect the table board in a clamping manner, the locking mechanism and the fixed seat are connected through only one bolt, and the elastic mechanism is connected to the support, namely, the elastic mechanism is driven by the support and abuts against the table board, so that the elastic mechanism and the support cannot be tightly abutted against the table board in the actual connection process, and the connection strength is not high.

CN208169679U, a faucet base installed on a bench, which includes a base body disposed on a mounting hole of a table top and used for fixing a faucet, and further includes a guide post, a blocking block, a screw rod and a locking block, wherein the upper end of the guide post is fixedly connected with the base body, the base body is provided with a first through hole, the screw rod is rotatably inserted into the first through hole, the upper end of the screw rod is provided with a nut, the blocking block is movably inserted on the guide post, the locking block is screwed on the screw rod, when the screw rod rotates along a first direction, the locking block is blocked at a first position by the blocking block, and the locking block and the blocking block move away from the base body; when the screw rotates along the second direction, the locking block is blocked at the second position by the blocking block, the locking block and the blocking block move close to the base until the locking block is locked under the table-board, and when the locking block is located at the first position, the maximum outer diameter formed by the guide column, the blocking block, the screw and the locking block is smaller than the aperture of the mounting hole. In the technical scheme, the screw rod not only forms a rotating shaft for rotationally connecting the blocking block and the locking block, but also connects the blocking block, the locking block and the base body to clamp the table top for realizing the fixed connection, but only is connected through one screw rod, and the screw rod is connected at the end parts of the blocking block and the locking block, so the connection strength is not high.

Disclosure of Invention

The invention provides a fixing device and a faucet mounting device, which overcome the defects of the faucet mounting device in the background art.

One of the technical schemes adopted by the invention for solving the technical problems is as follows:

the fixing device comprises a base and a pressing block mechanism, wherein the base and the pressing block mechanism are arranged along a first direction, the base is provided with an inner side wall, and the pressing block mechanism comprises two pressing plates; the two pressure plates are respectively connected with a locking rod, the two pressure plates are rotationally connected together to be capable of changing between an opening state and a closing state, and the rotating axes are arranged along a first direction, and the outer profiles of the pressing block mechanisms in the opening state and the closing state are different; the inner side wall of the base is convexly provided with two connecting seats, at least one locking rod can move between a working state and a movable state relative to the base, the movement of the locking rod between the working state and the movable state is matched with the change of the pressing block mechanism between an opening state and a closing state, and the locking rod in the working state is matched with the connecting seats to enable the pressing plate and the base to be clamped and fixed by the fixing object through the locking rod.

In one embodiment: the two locking rods can move between a working state and a movable state relative to the base.

In one embodiment: the two locking rods are respectively a first locking rod and a second locking rod, and the two connecting seats are respectively a first connecting seat and a second connecting seat; the first locking rod can move between a working state and a moving state relative to the base and is connected to the first connecting seat when being located in the working state, and the second locking rod is connected to the second connecting seat and is always in the working state.

In one embodiment: the two pressing plates are rotatably connected together through the rotating shaft.

In one embodiment: the outer contour area of the pressing block mechanism in the opening state is larger than that in the closing state.

In one embodiment: the locking rod which moves between the working state and the moving state relative to the base is a first locking rod, and the connecting seat matched with the first locking rod is a first connecting seat; the first locking rod can move on a plane perpendicular to the first direction, and the first locking rod is controlled to be in a working state and a moving state through the movement.

In one embodiment: the locking rod in the working state can move along a first direction to control the distance between the pressing plate and the base so as to clamp the fixing object between the pressing plate and the base.

In one embodiment: the second connecting seat is provided with a connecting hole, and the second locking rod penetrates through the second connecting hole and is connected to the pressing plate.

In one embodiment: the first connecting seat is provided with an inlet groove, and the working state is located in the inlet groove.

In one embodiment: the entering groove penetrates along the first direction, and an opening of the entering groove is formed in the outer side wall of the first connecting seat.

In one embodiment: the locking rod is a screw rod, the screw rod is provided with a thread part, and the thread part of the screw rod is connected to the pressing plate in a threaded mode.

In one embodiment: the screw rod is provided with a screw rod head, and the screw rod head is propped against the top surface of the connecting seat.

In one embodiment: the clamp plate is internally provided with a locking hole, a nut is embedded in the clamp plate, the nut is aligned with the locking hole, and the thread part is in threaded connection with the nut.

In one embodiment: the nuts of the two pressing plates are arranged along a first direction in a staggered manner.

In one embodiment: the pressing plates are provided with first end portions and second end portions, the rotating shafts are connected to the first end portions of the two pressing plates, and the locking rods are connected to the second end portions of the pressing plates.

In one embodiment: the two pressing plates are respectively a first pressing plate and a second pressing plate, a convex part is convexly arranged at the first end part of the first pressing plate, a matching groove is concavely arranged at the first end part of the second pressing plate, the convex part is inserted into the matching groove in a matching mode, and the rotating shaft penetrates through the first end part and the convex part of the second pressing plate.

In one embodiment: the pressing plate comprises a semicircular plate, and the two arc-shaped end parts of the semicircular plate are the first end part and the second end part respectively.

In one embodiment: the opposite surfaces of the semicircular plates of the two pressing plates are concavely provided with abdicating spaces.

In one embodiment: the end faces of the two pressing plates facing the base are flush.

In one embodiment: the pressing plate comprises a pressing block and an anti-skid base plate fixedly arranged on the pressing block.

In one embodiment: the anti-skid pad plate is sleeved outside the locking rod.

In one embodiment: the base comprises a sleeve, and the connecting seat is convexly arranged on the inner side wall of the sleeve.

The second technical scheme adopted by the invention for solving the technical problems is as follows:

the fixing device comprises a base and a pressing block mechanism, wherein the base and the pressing block mechanism are arranged along a first direction, the base is provided with an inner side wall, and the pressing block mechanism comprises two pressing plates; the two pressure plates are respectively connected with a locking rod, the two pressure plates are rotationally connected together to be capable of changing between an opening state and a closing state, and the rotating axes are arranged along a first direction, and the outer profiles of the pressure block mechanisms in the opening state and the closing state are different; the inner side wall of the base is convexly provided with two connecting seats, and the two locking rods can move relatively so as to enable the two locking rods to move along when the pressing block mechanism changes between an opening state and a closing state; the two locking rods are matched with the two connecting seats, so that the pressing plate and the base clamp the fixture to realize fixed connection through the locking rods.

The third technical scheme adopted by the invention for solving the technical problems is as follows:

the fixing device comprises a base and a pressing block mechanism, wherein the base and the pressing block mechanism are arranged along a first direction, the base is provided with an inner side wall, and the pressing block mechanism comprises two pressing plates; the two pressure plates are respectively connected with a locking rod, the two pressure plates are rotationally connected together to be capable of changing between an opening state and a closing state, and the rotating axes are arranged along a first direction, and the outer profiles of the pressure block mechanisms in the opening state and the closing state are different; the inner side wall of the base is convexly provided with two connecting seats, and at least one locking rod is positioned on a plane vertical to the first direction relative to the motion trail of the base so as to enable the two locking rods to move along when the pressing block mechanism changes between an opening state and a closing state; the two locking rods are matched with the two connecting seats, so that the pressing plate and the base clamp the fixture to realize fixed connection through the locking rods.

The fourth technical scheme adopted by the invention for solving the technical problems is as follows:

the fixing device comprises a base and a pressing block mechanism, wherein the base and the pressing block mechanism are arranged along a first direction, and are fixedly connected by clamping a fixture in the first direction through the base and the pressing block mechanism; the base is provided with an inner side wall, and the pressing block mechanism comprises a plurality of pressing plates; at least two of the plurality of pressing plates are respectively connected with a locking rod, every two adjacent pressing plates are rotatably connected together to enable the pressing block mechanism to be changed between an opening state and a closing state, and the rotating axes are arranged along a first direction, and the pressing block mechanisms in the opening state and the closing state are different in outer contour; the inner side wall of the base is convexly provided with two connecting seats, at least one locking rod can move between a working state and a movable state relative to the base, the movement of the locking rod between the working state and the movable state is matched with the change of the pressing block mechanism between an opening state and a closing state, and the locking rod in the working state is matched with the connecting seats to clamp the pressing plate and the base to a fixed object through the locking rod.

The fifth technical scheme adopted by the invention for solving the technical problems is as follows:

the faucet mounting device comprises a faucet, a bedplate and the fixing device, wherein the fixture comprises the bedplate which is provided with a through hole; the base and the faucet are fixedly mounted together, the locking rod penetrates through the through hole, and the base and the pressing plate clamp the bedplate to fix the faucet on the bedplate.

Compared with the background technology, the technical scheme has the following advantages:

the two pressing plates are respectively connected with a locking rod, the inner side wall of the base is convexly provided with two connecting seats, at least one locking rod can move between a working state and a moving state relative to the base, the movement of the locking rod between the working state and the moving state is matched with the change of the pressing block mechanism between an opening state and a closing state, and the locking rod can be driven to move through the change of the pressing block mechanism or the change of the pressing block mechanism is driven through the movement of the locking rod, so that the installation and the disassembly are convenient. Each pressing plate is connected through the locking rod, and each pressing plate can be driven to abut against the back face of a fixed object through the locking rod, so that the connecting strength can be enhanced. Each pressure plate has at least two stress points, one stress point is the joint of the locking rod, the other stress point is the joint of the two pressure plates, the two pressure plates can have three stress points forming a triangular structure, the connection strength is stable and reliable, and the pressure plates can be prevented from deforming due to stress.

The first locking rod can move between the working state and the moving state relative to the base and is connected to the first connecting seat when being located in the working state, and the second locking rod is connected to the second connecting seat and is always in the working state, so that the disassembly and the assembly are convenient.

The two locking rods can move relatively so that the two locking rods can move along when the pressing block mechanism changes between the opening state and the closing state, the locking rods can be driven to move through the change of the pressing block mechanism, or the pressing block mechanism is driven to change through the movement of the locking rods, and the installation and the disassembly are convenient.

At least one locking rod is arranged on a plane vertical to the first direction relative to the motion track of the base, so that the two locking rods can move along with the press block mechanism when the press block mechanism changes between the opening state and the closing state, the locking rods can be driven to move through the change of the press block mechanism, or the press block mechanism is driven to change through the movement of the locking rods, and the installation and the disassembly are convenient.

Drawings

The invention is further described with reference to the following figures and detailed description.

Fig. 1 is a schematic structural view of a fixing device according to an embodiment.

Fig. 2 is an exploded perspective view of a fixation device according to an embodiment.

FIG. 3 is a perspective view of one embodiment of the fixture, with the faucet installed step 1 and the ballast mechanism in a collapsed state.

FIG. 4 is a second perspective view of the embodiment of the fastening device, showing the faucet mounting step 2, with the two locking bars spread apart.

FIG. 5 is a third perspective view of the embodiment of the fixture, step 3 of installing the faucet, locking the first locking bar.

FIG. 6 is a fourth perspective view of the embodiment of the fixture, step 4, the faucet being installed, with the second locking bar locked.

FIG. 7 is a fifth schematic perspective view of the embodiment of the fixture, faucet installation step 5, tube threading.

FIG. 8 is a sixth schematic perspective view of the fixture of the embodiment, showing the faucet body installed, step 6.

FIG. 9 is a seventh perspective view of the embodiment of the fixture, faucet installation step 7, locking the faucet body to the base.

FIG. 10 is a perspective view of the kitchen faucet mounted on a countertop.

FIG. 11 is a perspective view of a faucet body and fixture of the kitchen faucet.

Fig. 12 is a top schematic view of the fixture.

FIG. 13 is a perspective view of a basin faucet and fixture.

FIG. 14 is a perspective view of another basin faucet and fixture.

Detailed Description

Referring to fig. 1 to 12, the faucet mounting device includes a faucet a, a bedplate C and a fixing device B, wherein the bedplate C is provided with a through hole penetrating up and down. The fixing device B comprises a base 1 and a pressing block mechanism 2, wherein the base 1 and the pressing block mechanism 2 are arranged along a first direction, and the first direction is an up-down direction. In this embodiment, the faucet a is a kitchen faucet, and includes, for example, a faucet body a1, a control valve installed in the faucet body a1, a handle a2 movably connected to the faucet body and drivingly connected to the control valve a6 to drive the control valve to control the water path, a water supply pipe A3 installed in the faucet body a1, and a water outlet portion a4 attached to the end of the water supply pipe A3.

The base 1 comprises a sleeve, the sleeve is provided with an inner side wall, two connecting

seats

11 and 12 are convexly arranged on the inner side wall of the sleeve, the two connecting

seats

11 and 12 are arranged in a radial symmetrical mode, and the outer diameter of the sleeve is larger than the inner diameter of the through hole. The two connecting

seats

11 and 12 are respectively a first connecting seat 11 and a second connecting seat 12. The first connecting seat 11 is provided with an entering groove 111, the entering groove 111 penetrates along a first direction, and an opening of the entering groove 111 is formed in the outer side wall of the first connecting seat 11, so that the first locking rod 31 can enter the groove from the outside of the groove in the sleeve. The second connecting seat 12 is provided with a connecting hole 121 penetrating up and down.

The briquetting mechanism 2 comprises two pressing plates 21; the two pressing plates 21 are rotatably connected together to be capable of changing between an opening state and a closing state, the rotating axes are arranged along the first direction, the outer profiles of the pressing block mechanisms 2 in the opening state and the closing state are different, the area of the outer profile of the pressing block mechanism 2 in the opening state is larger than that of the outer profile of the pressing block mechanism 2 in the closing state, so that the pressing block mechanism 2 can freely pass through the through hole of the bedplate C when in the closing state, and the pressing block mechanism 2 cannot pass through the through hole of the bedplate C when in the opening state.

The two pressure plates 21 are respectively connected with locking

rods

31 and 32, the locking

rods

31 and 32 are both screws and have screw heads 33 and screw thread portions, and the two locking

rods

31 and 32 are respectively a first locking rod 31 and a second locking rod 32. The thread part of the first locking rod 31 is connected to a pressing plate 21 by screw thread, and the first locking rod 31 can move between a working state and a moving state relative to the base 1 and is connected to the first connecting seat 11 when being in the working state, the working state is located in the entering groove 111, and the working state can be the whole entering groove 111 or the deepest part of the entering groove 111 according to requirements; since the first lock lever 31 is movable between the operating state and the movable state with respect to the base 1, the movement includes a portion located on a plane perpendicular to the first direction, that is, the first lock lever 31 is movable in the horizontal direction with respect to the base 1. The thread part of the second locking rod 32 is screwed to the other pressing plate 21, and the second locking rod 32 passes through the connecting hole 121 of the second connecting seat 12, i.e. the second locking rod 32 is always kept in a working state. In the two locking rods 31, 32: since the first lock lever 31 is movable in the horizontal direction, the motion of the first lock lever 31 between the operating state and the moving state can drive the pressure block mechanism 2 to change between the expanded state and the collapsed state.

The screw heads 33 of the locking

rods

31 and 32 in the working state are supported against the top surfaces of the connecting

seats

11 and 12, the thread parts are in threaded connection with the pressure plate 21, the pressure plate 21 can be driven to move upwards by rotating the locking

rods

31 and 32, namely, the distance between the pressure plate 21 and the base 1 can be controlled, and the pressure plate 21 and the base 1 can be clamped and connected with the bedplate C through the locking

rods

31 and 32 to realize the fixation.

In this embodiment: a locking hole 211 is formed in the pressing plate 21, a nut 22 is embedded in the pressing plate 21, the nut 22 is aligned with the locking hole, and the thread parts of the locking

rods

31 and 32 are screwed with the nut 22; in the concrete structure: the side wall of the pressure plate 21 is concavely provided with a mounting groove 212 communicated with the locking hole 211, the nut 22 is fittingly arranged in the mounting groove 212, and the axial position and rotation of the nut 22 are limited by the mounting groove 212, so that the processing and assembly are convenient, and the thread connection strength is enhanced; the nuts 22 of the two pressing plates 21 are arranged in a staggered manner along the first direction, so that the assembly is convenient, the structure is compact, and a larger space is provided for the installation of a faucet water pipe.

In this embodiment: the pressing device further comprises a rotating shaft 23, and the two pressing plates 21 are rotatably connected together through the rotating shaft 23. In the concrete structure: the pressing plate 21 comprises a semicircular plate, and the two arc-shaped end parts of the semicircular plate are respectively a first end part and a second end part; the rotating shaft 23 is connected to the first end parts of the two pressing plates 21, the locking rods 31 and 32 are connected to the second end parts of the pressing plates 21, on one hand, the connecting strength of the locking rods and the pressing plates is enhanced, the two pressing plates are tightly propped against the lower part of the table board, the connecting strength is improved, the pressing block mechanism is conveniently driven to change between an opening state and a closing state through the movement of the first locking rods, and on the other hand, a larger space is provided for the installation of a faucet water pipe; furthermore, a convex part 213 is convexly arranged at the first end part of one pressure plate 21, a matching groove 214 is concavely arranged at the first end part of the other pressure plate 21, the convex part 212 is inserted into the matching groove 214 in a matching way, and the rotating shaft 23 penetrates through the first end part of the other pressure plate 21 and the convex part 213, so that the connecting strength of the two pressure plates is enhanced, the structure is compact, and a larger space is provided for installing a tap water pipe; according to the requirement, one end of the rotating shaft 23 is fixedly provided with a plug, and the other end of the rotating shaft 23 is matched with the buckle 231 so as to rotatably connect the rotating shaft 23 and the two pressing plates 21 together. Preferably, the opposite surfaces of the semicircular plates of the two pressing plates 21 are recessed with a relief space 24 to provide a larger space for installing the faucet water pipe.

In this embodiment: the pressing plate 21 comprises a pressing block 215 and anti-skid backing plates 216 fixedly arranged on the pressing block 215, the end surfaces of the two anti-skid backing plates 216 are flush, the two pressing plates are tightly propped against the lower part of the table top, the friction coefficient of the backing plates and the table top is improved, the friction force is improved, and the connection strength is improved; in a specific structure, a slot is concavely arranged on the top surface of the pressing block 215, an inserting column 217 is arranged below the anti-skid backing plate 216, and the inserting column is inserted into the slot in a matching way; moreover, the anti-slip pad 216 is sleeved outside the locking

rods

31 and 32.

The base 1 and the tap A are fixedly connected, for example, the base 1 is matched and arranged in the bottom port of the tap A, and a screw A5 is arranged to fixedly connect the base 1 and the tap A. The faucet A can be fixed on the bedplate C through the fixing device B.

The installation method of the faucet installation device comprises the following steps: step 1, please refer to fig. 3, wherein the press block mechanism 2 is in a furled state, and the press block mechanism 2 penetrates through a through hole of the bedplate from top to bottom; step 2, please refer to fig. 4, the second locking rod 32 is moved to open the second locking rod and the first locking rod, the first locking rod 31 is moved to drive the two pressing plates 21 of the pressing block mechanism 2 to open, and when the first locking rod 31 enters the working state of the entering groove 111, the two pressing plates 21 of the pressing block mechanism 2 are in the open state; step 3, please refer to fig. 5, the first locking rod 31 is screwed; step 4, please refer to fig. 6, and tighten the second locking rod 32; step 5, please refer to fig. 7, the water pipe is penetrated, and the water pipe a7 and the control valve a6 are connected; step 6, please refer to fig. 8, a faucet a is sleeved outside the base 1; step 7, please refer to fig. 9, and the base 1 and the faucet a are locked by the screws. Compared with the traditional faucet fixing device, the faucet fixing device 1 can realize table-board installation, does not need a user to mount the faucet on the ground, is simple in installation mode, and gives better use experience; 2. the stress of the two pressure plates 21 of the pressure block mechanism 2 comprises that a locking rod is respectively connected to the second end parts of the pressure plates, and a rotating shaft is connected with the first end parts of the two pressure plates, namely, the stress point of the pressure block mechanism comprises the three parts which form a triangular structure, so that the rotary torque and the push-pull torque which can be borne by the fixing device are larger, the installation stability is ensured, the three points form a plane which is firmest, and in the embodiment, F (left-right rotary torque) is more than or equal to 4.5 N.M; f (the front-back push-pull torque value) is not less than 16.5 N.M; 3. in this embodiment, the apparatus has a larger application range: for kitchen faucets: 3 hoses (D2 in FIG. 12) which can pass through the joints of phi 10 and 3/8' and 1 drawing channel pipe (D1 in FIG. 12) with the outer diameter phi 20; the hose can also pass through two G1/2 joints; for a basin tap, two hoses with phi 10, 3/8 "connections can be passed through.

The disassembly method of the faucet mounting device comprises the following steps: step 1, loosening screws of a locking base 1 and a faucet A; step 2, taking out the faucet; step 3, taking down the hose; step 4, unscrewing the second locking rod 32; step 5, loosening the first locking rod 31; step 6, moving the first locking rod 31 to a moving state to drive the briquetting mechanism 2 to be in a furled state; and 7, taking the briquetting mechanism 2 out of the through hole of the bedplate and taking out the counter basin. The disassembly mode is simple and convenient, and better use experience is given.

The fixing device of the embodiment has the following advantages: 1. the device is not limited by the height of the counter basin, has strong torsional strength and push-pull strength, has large space for pipe penetration, and can realize quick assembly and disassembly; 2. the structure is simple, and the installation is easy to understand; 3. the number of parts is small, the structure is stable, and the cost advantage is achieved; 4. large space (e.g. 3 hoses that can pass through the phi 10, 3/8' joints and 1 pull channel tube with an outer diameter phi 18); 5. and the development cost is saved.

Fig. 13 and 14 are schematic views showing the construction of two basin taps using the above-described fixing device.

The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. The fixing device comprises a base and a pressing block mechanism, wherein the base and the pressing block mechanism are arranged along a first direction, the base is provided with an inner side wall, and the pressing block mechanism comprises two pressing plates; the method is characterized in that: the two pressure plates are respectively connected with a locking rod, the two pressure plates are rotationally connected together to be capable of changing between an opening state and a closing state, and the rotating axes are arranged along a first direction, and the outer profiles of the pressing block mechanisms in the opening state and the closing state are different; the inner side wall of the base is convexly provided with two connecting seats, at least one locking rod can move between a working state and a movable state relative to the base, the movement of the locking rod between the working state and the movable state is matched with the change of the pressing block mechanism between an opening state and a closing state, and the locking rod in the working state is matched with the connecting seats to enable the pressing plate and the base to be clamped and fixed by the fixing object through the locking rod.

2. The fixture according to claim 1, wherein: the two locking rods can move between a working state and a movable state relative to the base.

3. The fixture according to claim 1, wherein: the two locking rods are respectively a first locking rod and a second locking rod, and the two connecting seats are respectively a first connecting seat and a second connecting seat; the first locking rod can move between a working state and a moving state relative to the base and is connected to the first connecting seat when being located in the working state, and the second locking rod is connected to the second connecting seat and is always in the working state.

4. The fixture according to claim 1, wherein: the two pressing plates are rotatably connected together through the rotating shaft.

5. The fixture according to claim 1, wherein: the outer contour area of the pressing block mechanism in the opening state is larger than that in the closing state.

6. The fixture according to claim 1, wherein: the locking rod which moves between the working state and the moving state relative to the base is a first locking rod, and the connecting seat matched with the first locking rod is a first connecting seat; the first locking rod can move on a plane perpendicular to the first direction, and the first locking rod is controlled to be in a working state and a moving state through the movement.

7. The fixture according to claim 1, wherein: the locking rod in the working state can move along a first direction to control the distance between the pressing plate and the base so as to clamp the fixing object between the pressing plate and the base.

8. A fixation device as claimed in claim 3, wherein: the second connecting seat is provided with a connecting hole, and the second locking rod penetrates through the second connecting hole and is connected to the pressing plate.

9. A fixation device as claimed in claim 3 or 6, characterized in that: the first connecting seat is provided with an inlet groove, and the working state is located in the inlet groove.

10. The fixture according to claim 9, wherein: the entering groove penetrates along the first direction, and an opening of the entering groove is formed in the outer side wall of the first connecting seat.

11. The fixture according to claim 1, wherein: the locking rod is a screw rod, the screw rod is provided with a thread part, and the thread part of the screw rod is connected to the pressing plate in a threaded mode.

12. The fixture according to claim 11, wherein: the screw rod is provided with a screw rod head, and the screw rod head is propped against the top surface of the connecting seat.

13. The fixture according to claim 11, wherein: the clamp plate is internally provided with a locking hole, a nut is embedded in the clamp plate, the nut is aligned with the locking hole, and the thread part is in threaded connection with the nut.

14. The fixture according to claim 13, wherein: the nuts of the two pressing plates are arranged along a first direction in a staggered manner.

15. The fixture according to claim 4, wherein: the pressing plates are provided with first end portions and second end portions, the rotating shafts are connected to the first end portions of the two pressing plates, and the locking rods are connected to the second end portions of the pressing plates.

16. The fixture according to claim 15, wherein: the two pressing plates are respectively a first pressing plate and a second pressing plate, a convex part is convexly arranged at the first end part of the first pressing plate, a matching groove is concavely arranged at the first end part of the second pressing plate, the convex part is inserted into the matching groove in a matching mode, and the rotating shaft penetrates through the first end part and the convex part of the second pressing plate.

17. The fixture according to claim 16, wherein: the pressing plate comprises a semicircular plate, and the two arc-shaped end parts of the semicircular plate are the first end part and the second end part respectively.

18. The fixture according to claim 17, wherein: the opposite surfaces of the semicircular plates of the two pressing plates are concavely provided with abdicating spaces.

19. The fixture according to claim 1, wherein: the end faces of the two pressing plates facing the base are flush.

20. The fixture according to claim 1, wherein: the pressing plate comprises a pressing block and an anti-skid base plate fixedly arranged on the pressing block.

21. The fixture according to claim 20, wherein: the anti-skid pad plate is sleeved outside the locking rod.

22. The fixture according to claim 1, wherein: the base comprises a sleeve, and the connecting seat is convexly arranged on the inner side wall of the sleeve.

23. The fixing device comprises a base and a pressing block mechanism, wherein the base and the pressing block mechanism are arranged along a first direction, the base is provided with an inner side wall, and the pressing block mechanism comprises two pressing plates; the method is characterized in that: the two pressure plates are respectively connected with a locking rod, the two pressure plates are rotationally connected together to be capable of changing between an opening state and a closing state, and the rotating axes are arranged along a first direction, and the outer profiles of the pressure block mechanisms in the opening state and the closing state are different; the inner side wall of the base is convexly provided with two connecting seats, and the two locking rods can move relatively so as to enable the two locking rods to move along when the pressing block mechanism changes between an opening state and a closing state; the two locking rods are matched with the two connecting seats, so that the pressing plate and the base clamp the fixture to realize fixed connection through the locking rods.

24. The fixing device comprises a base and a pressing block mechanism, wherein the base and the pressing block mechanism are arranged along a first direction, the base is provided with an inner side wall, and the pressing block mechanism comprises two pressing plates; the method is characterized in that: the two pressure plates are respectively connected with a locking rod, the two pressure plates are rotationally connected together to be capable of changing between an opening state and a closing state, and the rotating axes are arranged along a first direction, and the outer profiles of the pressure block mechanisms in the opening state and the closing state are different; the inner side wall of the base is convexly provided with two connecting seats, and at least one locking rod is positioned on a plane vertical to the first direction relative to the motion trail of the base so as to enable the two locking rods to move along when the pressing block mechanism changes between an opening state and a closing state; the two locking rods are matched with the two connecting seats, so that the pressing plate and the base clamp the fixture to realize fixed connection through the locking rods.

25. The fixing device comprises a base and a pressing block mechanism, wherein the base and the pressing block mechanism are arranged along a first direction, and are fixedly connected by clamping a fixture in the first direction through the base and the pressing block mechanism; the base is provided with an inner side wall, and the pressing block mechanism comprises a plurality of pressing plates; the method is characterized in that: at least two of the plurality of pressing plates are respectively connected with a locking rod, every two adjacent pressing plates are rotatably connected together to enable the pressing block mechanism to be changed between an opening state and a closing state, and the rotating axes are arranged along a first direction, and the pressing block mechanisms in the opening state and the closing state are different in outer contour; the inner side wall of the base is convexly provided with two connecting seats, at least one locking rod can move between a working state and a movable state relative to the base, the movement of the locking rod between the working state and the movable state is matched with the change of the pressing block mechanism between an opening state and a closing state, and the locking rod in the working state is matched with the connecting seats to clamp the pressing plate and the base to a fixed object through the locking rod.

26. Tap installation device, its characterized in that: comprising a tap, a deck and a fixture as claimed in claim 1 or 22 or 23 or 24, said fixture comprising said deck, said deck being provided with a through hole; the base and the faucet are fixedly mounted together, the locking rod penetrates through the through hole, and the base and the pressing plate clamp the bedplate to fix the faucet on the bedplate.