CN212755459U - Lock catch for cover plate connection and cover plate dismounting support applying lock catch - Google Patents

Abstract

The utility model discloses a lock catch for cover plate connection and a cover plate dismounting bracket applying the lock catch, which comprises a fixed shaft and a support, wherein a round pin on the support is in plug fit with a radial pin hole on the fixed shaft, a lock control hole of the fixed shaft is aligned with a lock groove inserted on the round pin in the pin hole, a button jacking spring is arranged on the fixed shaft, a pair of elastic holding clamps inserted in the lock control hole for sliding to lock the round pin are fixed on the button, and two lugs are arranged on opposite positions of the two holding clamps; the front side and the rear side of the two convex blocks are respectively provided with a radial moving and embracing locking area and a radial moving and avoiding unlocking area of the two embracing clamps for the round pin, and the radial moving and embracing locking area is also provided with two buckling pieces which are oppositely clamped into the locking groove to axially lock the round pin; the round pin is relatively moved from the radial movement cohesion locking area to the radial movement avoidance unlocking area by pressing the button, and is separated from the buckling piece when being blocked by the convex block, so that the round pin can be pulled out from the pin hole; the utility model has the advantages of simple structure, the dismouting is lighter, work is reliable and more stable.

Description

Lock catch for cover plate connection and cover plate dismounting support applying lock catch

Technical Field

The utility model relates to a demountable installation mechanism of squatting pan apron, especially an apron dismouting support of hasp and applied this hasp for the apron is connected.

Background

The utility model discloses a toilet lid board fast-assembling support that china utility model (CN201595766U) disclosed, fast-assembling support is respectively installed to toilet lid board rear end both sides axle sleeve, through the manual double button of pressing, realizes the quick dismantlement separation of toilet lid board on ceramic closestool, and the problem that this kind of fast-assembling support exists has: firstly, a spring bracket 60 with a complex structure is required to be additionally arranged at the top of an assembly hole 11 of a rotation stopping shaft 10, in order to lock or unlock a support shaft 21 of a support 20 by a buckle ring 51 on a button 50, two discrete parts of a limiting arm 55 and a clamping hook 54 which are matched with the spring bracket 60 are required on the button 50, the spring bracket 60 is additionally arranged in the assembly hole 11, and the limiting arm 55 and the clamping hook 54 are additionally arranged on the button 50, so that the manufacturing cost and the assembly cost of a product are increased, and the reliability of the mechanism is reduced; in order to separate the button 50 from the spring holder 60 when the support shaft 21 is pulled out, a reset inclined surface 24 needs to be added on the support shaft 21, which also increases the processing cost of the support shaft 21; pressing the button 50 to hook the spring frame 60 for temporary positioning to unlock the buckle ring 51 from the fulcrum shaft 21, or pulling the fulcrum shaft 2 out of the stop shaft 10 to actuate the spring frame 60 to deform and unhook the button 50 to reset the button 50 under the action of the reset spring 30, are all realized by a third part of the spring frame 60, so that the locking or unlocking of the button 50 on the fulcrum shaft 21 is not direct and sensitive enough.

Further, as disclosed in the chinese utility model (CN201759477U), a toilet lid connecting mechanism that is easy to assemble and disassemble is disclosed, and the second embodiment thereof (see paragraph [0023] to [0023] of the specification) discloses that the toilet lid connecting mechanism has a hinge pipe 4 that can be hinged at the rear part of the lid independently, both ends of the hinge pipe 4 are sleeved and fixed with a damper 5 and a button type lock switch 6, and two supports 3 are mounted and fixed on the toilet, and a support shaft 31 on the support 3 passes through a through hole 41 of the hinge pipe 4 and is inserted and locked with an insertion hole 61 of the button type lock switch 6; the middle of the hinged pipe 4 is provided with a key control mechanism 7, the key panel 71 is clamped with an arrow-shaped push block 72, two sides of the push block 72 are respectively provided with a top rod 73 with a chamfer inclined plane 74 at the top end, the push block 72 can press the chamfer inclined plane 74 to push the tail ends of the two top rods 73 to move towards the two sides to press the button type lock catch switch 6, the button is pressed to release the locking position fixation of the button type lock catch switch 6 to the fulcrum shaft 31, and the cover plate 1 can be detached from the toilet. The problem of the way of pushing the top rod 73 laterally by the arrow-shaped pushing block 72 is: firstly, uneven force application of pressing the key panel 71 by fingers can cause the arrow-shaped push block 72 to swing left and right during pushing, and the stroke of pressing the button type lock switch 6 by the two push rods 73 pushed by the push block 72 is inconsistent, so that the consequence is that one button type lock switch 6 at two sides of the hinged pipe 4 unlocks the fulcrum shaft 31, and the button of the other button type lock switch 6 cannot unlock the fulcrum shaft 31 inserted into the hinged pipe because the pressed stroke is not enough, so that one of the two fulcrum shafts 31 cannot be pulled out of the hinged pipe 4, and the cover plate disassembling function fails; secondly, the push block 72 directly pushes the push rod 73 hard by a single wedge, so that the push button type lock catch switch 6 is very hard to press, and the effect that the push button type lock catch switch 6 can unlock the fulcrum 31 by lightly pressing the key panel 71 cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose is to provide a hasp for the apron is connected, makes it simply retrench, reduces and makes and assembly cost to improve the reliability, press the unblock more lightly sensitive, adopt two sets the utility model discloses connect squatting pan apron rear end both sides axle sleeve, can realize that the function of dismantling the squatting pan apron is pressed to the double button.

The utility model discloses a second purpose provides an use apron dismouting support of above-mentioned hasp for apron connection, makes it probably can actuate two hasp unblocks in step through a button "gently press" can "long stroke", makes the dismantlement of squatting pan apron more convenient.

For reaching above-mentioned first purpose, the utility model provides a hasp for apron connection, including a fixed axle and a rigid coupling support on the stool pot that supplies the apron installation to revolute, the round pin on the support cooperates with the epaxial radial pinhole plug of fixed axle, and fixed axial lock accuse hole aligns with the locked groove of inserting in the pinhole on the round pin, and button roof pressure spring mounting is on the fixed axle, its characterized in that: a pair of elastic clasps which are inserted into the lock control holes and used for sliding the lock control round pin are fixed on the button, and two lugs which can be used for clamping and blocking the radial movement of the round pin and can be extruded to open the clasps when the round pin moves radially are arranged at opposite positions of the two clasps; in the moving direction of the button, the front side and the rear side of the two convex blocks are respectively provided with a radial moving and embracing locking area and a radial moving and avoiding unlocking area of the round pin by two embracing clamps, and the radial moving and embracing locking area is also provided with two buckling pieces which are oppositely clamped into the locking groove to axially lock the round pin; the round pin is separated from the buckling piece when the round pin is relatively moved from the radial moving cohesion locking area to the radial moving clearance unlocking area and is blocked by the convex block by pressing the button, and the round pin can be pulled out from the radial moving clearance unlocking area and the pin hole.

The buckle sheet is an arc-shaped clamping sheet, a socket joint is formed in opposite spaces of the two buckle sheets so as to enable the radial moving embracing locking area of the two embracing clamps to be unfolded, and a conical ring surface which can be used for guiding the inserting of the clamping part to extrude and unfold the two buckle sheets is arranged at the top end of the round pin. The round pin continuously moves upwards after pushing the clamping part upwards, the two buckling pieces oppositely move downwards along the outer wall of the round pin, when the buckling pieces move downwards to the locking grooves on the round pin, the round pin and the pin hole are inserted in place, the clasping clamp elastically resets to enable the buckling pieces to be clamped into the locking grooves to fix the round pin in the radial movement clasping locking area, and the round pin cannot axially move to pull out the fixed shaft.

Two guide holes are also formed in one side of the button on the fixed shaft and below the lock control hole, and two guide rods in sliding fit with the guide holes are arranged on the button below the holding clamp; the guide rod end is provided with a barb, the fixed shaft is provided with a strip-shaped groove communicated with the guide hole to abdicate the barb, and the button resets when the barb of the guide rod hooks the groove end face of the strip-shaped groove. The two guide rods are matched with the two guide holes, so that the clamping on the button can be ensured to stably slide in the lock control cavity of the fixed shaft; the button can be arranged on the fixed shaft in a manner of limiting the pressing range by the cooperation of the barb in the strip-shaped groove.

The spring is arranged in the guide hole and presses against the end of the guide rod; the spring is used for jacking the guide rod to provide elastic force for the reset of the button.

A first positioning hole is formed between the two guide holes on the fixed shaft, and a second positioning hole is formed between the two guide rods on the button; the two ends of the spring are positioned and pressed between the first positioning hole and the second positioning hole; two ends of the spring are directly positioned and pressed between the button and the fixed shaft, and the spring directly provides elastic force for the reset of the button.

A special-shaped hole is arranged at the end of the fixed shaft opposite to the button and is used for inserting and connecting a damper shell end or a damping rotating shaft of the damper; the utility model discloses the preferential damping pivot of adopting dysmorphism hole grafting so can make the apron axle sleeve directly cup joint with the attenuator outer wall.

For reaching and realizing the second mesh, singly press convenient dismantlement squatting pan apron, the utility model provides an use an apron dismouting support of above-mentioned hasp, including a articulated pipe with respectively the symmetry install at the aforesaid hasp for the cover connection of two sets of articulated pipe both ends, a key position mouth installation button in the middle of the articulated pipe, the articulated pipe of button both sides respectively installs one by the button actuation and with the push rod that the button cup jointed, its characterized in that: the back of the key is symmetrically provided with two sliding wedges capable of sliding left and right, a fixed wedge is fixed in the hinge pipe, and the fixed wedge can press the two sliding wedges to jack up and move when the key is pressed; the opposite ends of the two push rods are provided with symmetrical inclined planes, and the sliding wedge in the key pressing direction can move along the inclined planes and wedge to push the push rods so as to press the button in a linkage manner.

The back of the key is provided with a T-shaped sliding groove, and the sliding wedge is provided with a T-shaped block which can be in sliding fit with the T-shaped sliding groove left and right; the left and right sides of the fixed wedge are provided with symmetrical two wedge edges, one opposite side of the two sliding wedges is provided with an inner wedge groove in sliding fit with the wedge edges, and the other opposite side of the two sliding wedges is provided with an outer wedge surface in contact with the inclined surface and in pushing fit with the inclined surface. In the key pressing process, the two wedges of the fixed wedge slide along the inner wedge groove and press the two sliding wedges to the two sides of the fixed wedge, the two sides of the key are stressed uniformly and cannot swing, and the pressing is labor-saving, so that the two sliding wedges slide back to back along the T-shaped sliding groove by the same stroke, the stroke of pressing the lock button by the two push rods by the lateral pressing of the outer wedge surface of the sliding wedge can be increased, and the reliability of the lock unlocking function is ensured.

One end of the push rod is provided with a sleeve opening fixedly sleeved with the button, and the other end of the push rod is provided with a rail rod for pushing the slide wedge laterally; the rail rod is provided with a rail groove, the hinge pipes on the two sides of the sleeve opening are internally fixed with a guide rail, and the guide rail is sleeved in the rail groove to form a sliding pair for the rail rod to move left and right; the inclined plane is arranged at the end of the rail rod. The rail rod is internally fixed with a guide rail through the rail groove and the hinge pipe to construct a sliding pair, so that the push rods cannot rotate and move stably left and right, and the strokes of the two push rods for respectively pressing the buttons on the two lock catches are ensured to be the same. The inclined planes on the two rail rods are matched with the outer wedge surfaces of the two slide wedges, so that the outer wedge surfaces push the push rod to slide laterally along with the press of the key.

The two ends of the bottom of the hinged pipe are respectively provided with a through hole which is aligned with the pin holes of the fixed shaft arranged at the two sides in the pipe cavity, and the round pin on the support passes through the through holes to be inserted into the pin holes of the fixed shaft; the two dampers are exposed out of two ends of the tube cavity. The damper is used for being pivoted with shaft sleeves on two sides of the rear end of the cover plate, the round pins can be unlocked by the lock catches at two ends of the hinged pipe through pressing the key, and then the round pins can be pulled out from the pin holes and the through holes, so that the support and the hinged pipe are separated, and the cover plate can be detached from the toilet conveniently.

The utility model has the advantages as follows:

firstly, an elastic clamp structure on a lock button integrates locking and unlocking functions, the clamp can automatically lock a round pin inserted into a pin hole in a clamping mode, the round pin is unlocked by the clamp when the button is pressed to move the diameter of the round pin to a diameter movement avoidance unlocking area, the round pin can be quickly pulled out of the pin hole, and the cover plate can be conveniently disassembled and assembled on a toilet;

secondly, the sliding wedges on the back of the keys are jacked open by the aid of the fixed wedges in the hinged pipes on the dismounting support, so that the keys cannot swing left and right when pressed, the hand feeling is light, the distance between the two sliding wedges moving by the wedge pressing push rod is increased progressively, the sliding wedges can actuate the push rod to press the button of the lock catch in a large stroke, the lock catch can reliably unlock the round pin, the round pin can be separated from the hinged pipes, and the cover plate can be quickly dismounted from the toilet by pressing of a single key.

Drawings

Fig. 1 is an exploded view of a three-dimensional assembly structure of a latch for connecting a cover plate.

Fig. 2 is an exploded view of the cover plate connecting lock.

Fig. 3 is a first perspective view of the structure of the lock for connecting the cover plate.

Fig. 4 is a second perspective view of the structure of the cover plate connecting lock catch.

Fig. 5 is a perspective view showing the fixed shaft of the cover plate connecting lock catch being separated from the stand pin of the holder.

FIG. 6 is a schematic view showing the first principle of the structure that the stand pin is inserted into the fixed shaft and is automatically locked and connected by the button.

FIG. 7 is a schematic view of the second principle of the structure of the vertical pin inserted into the fixed shaft and automatically locked and connected by the button.

Fig. 8 is a first schematic structural principle diagram of unlocking, disassembling and disengaging of the push button opposite pin.

Fig. 9 is a first schematic structural principle diagram of unlocking, detaching and disengaging of the push button counter pin.

Fig. 10 is an exploded view of the cover plate mounting and dismounting bracket.

Fig. 11 is an exploded view of the cover plate mounting and dismounting bracket.

Fig. 12 is a perspective view of the cover plate mounting and dismounting bracket in a state where the key is not pressed and locked.

FIG. 13 is a schematic view of the structure of the cover plate mounting/dismounting bracket with the key, wedge and post rod engaged in the locked state.

Fig. 14 is a perspective view of the cover plate dismounting bracket in a pressed and unlocked state.

Fig. 15 is a schematic structural view of the cover plate dismounting bracket in the unlocked state of the key, the wedge and the ejector rod.

Fig. 16 is a perspective view of the cover plate mounting and dismounting bracket with the hinge pipe detached from the support.

The figures in the drawings are identified as:

10. a fixed shaft; 11. a pin hole; 12. lock control holes; 13. a guide hole; 14. a strip-shaped groove; 141. a slot end face; 15. a profiled hole; 16. a first positioning hole;

20. a support; 21. a round pin; 211. a conical ring surface; 212. locking the groove;

30. a button; 31. clamping; 311. a bump; 312. a radial-movement cohesive locking area; 313. radially moving the clearance unlocking area; 314. buckling pieces; 315. a clamp portion; 32. a guide bar; 33. a second positioning hole;

40. a spring;

50. a damper; 51. a damping rotating shaft;

60. a hinged tube; 61. a lumen; 62. perforating; 63. a key position port; 64. a guide rail; 65. fixing the wedge; 651. a wedge edge;

70. a push rod; 71. looping; 72. a rail bar; 721. a rail groove; 722. a bevel;

80. pressing a key; a T-shaped chute;

90. a slide wedge; a T-block; 92. an inner wedge groove; 93. an outer wedge surface.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The cover plate connecting lock catch as shown in fig. 1-5 mainly comprises a fixed shaft 10 for the cover plate to rotate, a support 20 fixed on the toilet, a button 30 mounted on the fixed shaft 10 and a spring 40.

Referring to fig. 1 to 3, the fixing shaft 10 has a pin hole 11 in a radial direction, the support 20 has a round pin 21, the round pin 21 is inserted into and pulled out of the pin hole 11, and the locking hole 12 in an axial direction of the fixing shaft 10 is aligned with the locking groove 212 of the round pin 21 inserted into the pin hole 11.

As shown in fig. 1 to 5, a pair of elastic clasps 31 for sliding the lock control round pin 21, which are inserted into the lock control hole 12, are fixed to the push button 30; two guide holes 13 are also arranged at one side of the button 30 on the fixed shaft 10 and below the lock control hole 12, and two guide rods 32 in sliding fit with the guide holes 13 are arranged on the button 30 below the holding clamp 31; the end of the guide rod 32 is provided with a barb 321, the fixing shaft 10 is provided with a strip-shaped groove 14 communicated with the guide hole 13 to give way to the barb 321, the spring 40 is arranged in the guide hole 13 to press against the end of the guide rod 32, so that the barb 321 of the guide rod 32 hooks the groove end surface 141 of the strip-shaped groove 14, and the button 30 and the spring 40 are arranged on the fixing shaft 10. A special-shaped hole 15 is arranged on the shaft end of the fixed shaft 10 opposite to the button 30, the special-shaped hole 15 is used for inserting a damping rotating shaft 51 of the damper 50, the damper 50 is axially inserted and mounted on the fixed shaft 10, and the damper 50 can be pivoted with a shaft sleeve on the rear end side of the toilet cover plate.

As shown in fig. 1, 6 to 9, two protrusions 311 are disposed on the button 30 at opposite positions of the two clasps 31, and can be used for blocking radial movement of the round pin 21 and pressing the clasps 31 to open when the round pin 21 moves radially; in the moving direction of the button 30, the front and rear sides of the two protrusions 311 are respectively a radial movement embracing locking region 312 and a radial movement avoiding unlocking region 313 of the two embracing clamps 31 for the round pin 21, and the radial movement embracing locking region 312 is further provided with two buckling pieces 314 which are oppositely clamped into the locking groove 212 to axially lock the round pin 21; the buckle pieces 314 are arc-shaped clamping pieces, a socket is formed in the facing space of the two buckle pieces 314 to form a clamping part 315 for expanding the radial movement embracing locking area 312 of the two embracing clamps 31, and the top end of the round pin 21 is provided with a conical ring surface 211 which can be used for guiding the inserting clamping part 315 to extrude and expand the two buckle pieces 314.

As shown in fig. 4, 5, 8 and 9, when the button 30 is pressed to move the round pin 21 relatively from the radial movement embracing locking region 312 to the radial movement avoiding unlocking region 313 and is shifted by the protrusion 311, the round pin 21 is disengaged from the buckle 314, and the round pin 21 can be pulled out from the radial movement avoiding unlocking region 313 and the pin hole 11.

The detailed operation principle and the specific implementation action of the latch for cover plate connection will be described in detail below.

As shown in FIG. 5, a set of the cover plate connecting lock catches are respectively installed in the shaft sleeves at both sides of the rear end of the cover plate, that is, the shaft sleeves at each side of the rear end of the cover plate are respectively installed with a transverse shaft consisting of a fixed shaft 10, a button 30, a spring 40 and a damper 50, two supports 20 are correspondingly fixed on the top surface of the rear end of the ceramic toilet bowl, and the round pins 21 of the supports 20 are correspondingly aligned with the pin holes 11 of the fixed shaft 10.

As shown in fig. 5 to 7, the cover plate is held by hand and the round pin 21 of the support 20 is aligned with the pin hole 11 of the fixed shaft 10, the cover plate moves downward to insert the round pin 21 into the pin hole 11, the conical ring surface 211 at the top end of the round pin 21 supports the inserting portion 315 to expand the two buckling pieces 314 to open the clasping clip 31 to elastically deform, the buckling pieces 314 move downward along the radial surface of the round pin 21 when the round pin 21 continues to be inserted upward, until the clamping portion 315 is aligned with the locking groove 212 on the round pin 21, the locking groove 212 gives way to the two buckling pieces 314 in the radial direction, and the clasping clip 31 elastically resets to clasp the two buckling pieces 314 into the locking groove 212 to clasp and lock the round pin 21 in the radial movement clasping locking area 312, as shown in fig. 4, the clasping clip 31 on the button 30 locks the round pin 21 in the pin hole 11 of the fixed shaft 10 and cannot be pulled out, so that the quick mounting and connection function of the toilet can be realized.

When the cover plate needs to be detached from the toilet, the buttons 30 shown in fig. 4 are respectively pressed by the lock catches on the two sides of the rear end of the cover plate shaft sleeve, the guide rod 32 presses the spring 40 in the strip-shaped groove to compress, and the holding clamp 31 moves along the lock control hole 12; as shown in fig. 8, 9 and 5, relative to the pressing direction of the button 30, the round pin 21 relatively radially presses the protrusion 311 to elastically deform and expand the clamp 31, the two buckle pieces 314 expand and radially slide out from the lock slot 212, the round pin 21 moves from the radially moving clasping locking area 312 to the radially moving clearance unlocking area 313 until the round pin 21 radially moves to the vertex of the protrusion 311, and the round pin 21 can completely radially slide into the other side of the protrusion 311 by lightly pressing with a hand under the elastic resetting elastic force of the clamp 31, that is, the round pin 21 completely moves the radially moving clearance unlocking area 313, so as to unlock the round pin 21 by the clamp 31, the clamp 31 completely resets, the round pin 21 is blocked in the radially moving clearance unlocking area 313 by the two protrusions 311, and the pressing stroke of the button 30 overcoming the compression elastic force of the spring 40 is temporarily held, that is, the pressing stroke of the button 30 to unlock the round pin 21 is held; the clasping clamp 31 in the radial movement clearance unlocking area 313 has no limit to the axial movement of the round pin 21; then the cover plate is lifted upwards, so that the round pin 21 is pulled out of the radial movement clearance unlocking area 313 and the pin hole 11 of the fixed shaft 10 downwards, and the cover plate can be conveniently detached from the toilet. And at the moment that the round pin 21 is pulled out of the radial movement clearance unlocking area 313 downwards, the convex block 311 loses the blocking of the round pin 21, the button 30 automatically retreats to the initial state that the barb 321 of the guide rod 32 hooks the groove end surface 141 of the strip-shaped groove 14 under the action of the reset elastic force of the spring 40, and the holding clamp 31 is restored to the initial position that the clamping part is positioned in the pin hole 11 for the round pin 21 to be inserted, so as to wait for the next installation of the cover plate.

The following describes in detail how the above-described cover attaching lock is used to construct a cover attaching/detaching bracket which is unlocked by one press.

As shown in fig. 10 to 12, a cover plate mounting and dismounting bracket includes a hinge pipe 60 and two sets of the above-mentioned cover plate connecting latches symmetrically installed at two ends of the hinge pipe 60, respectively, and the installation positions of the springs 40 of the latches are changed, specifically: a first positioning hole 16 is arranged between the two guide holes 13 on the fixed shaft 10, and a second positioning hole 33 is arranged between the two guide rods 32 on the button 30; the two ends of the spring 40 are positioned and pressed between the first positioning hole 16 and the second positioning hole 33, and other parts, structures and functional principles of the lock catch are unchanged; the lock catch locks and unlocks the round pin 21, the lock catch for connecting the cover plate has been explained in detail before, and details are not repeated in the description of the implementation of the cover plate dismounting bracket.

As shown in fig. 12 and 13, the two ends of the bottom of the hinged pipe 60 are respectively provided with a through hole 62 aligned with the pin hole 11 of the fixed shaft 10 installed at the two sides in the pipe cavity 61, the round pin 21 on the support 20 passes through the through hole 62 to be inserted into the pin hole 11 of the fixed shaft 10, the two dampers 50 are exposed out of the two ends of the pipe cavity 61, and the two push buttons 30 installed on the fixed shaft 10 of the push spring 40 in the hinged pipe 60 are opposite; a key 80 is arranged at the middle key position port 63 of the hinged pipe 60, and the hinged pipes 60 at two sides of the key 80 are respectively provided with a push rod 70 which is actuated by the key 80 and is sleeved with the button 30; as shown in fig. 10, 11, 13 and 15, the key 80 is symmetrically provided with two sliding wedges 90 which can slide left and right, a fixed wedge 65 is fixed in the hinge tube 60, and the fixed wedge 65 can press the two sliding wedges 90 to move away when the key 80 is pressed; the opposite ends of the push rods 70 have symmetrical inclined surfaces 722, and the sliding wedge 90 in the pressing direction of the key 80 can move along the inclined surfaces 722 and wedge to push the push rods 70 to press the buttons 30 in a linkage manner. The specific assembly is as follows: the back of the key 80 is provided with a T-shaped chute 81, the two sliding wedges 90 are symmetrically arranged on the back of the key 80 in a left-right sliding manner by sleeving a T-shaped block 91 of the sliding wedge 90 in the chute 81, the left side and the right side of a fixed wedge 65 facing the back of the key 80 are provided with two symmetrical wedge edges 651, the opposite sides of the two sliding wedges 90 are provided with inner wedge grooves 92 which are in sliding fit with the wedge edges 651, the two sliding wedges 90 symmetrically slide along the wedge edges 651 at the two sides of the fixed wedge 65 synchronously, the two sliding wedges 90 at the back of the key 80 can slide oppositely or oppositely to increase or decrease the distance between the two sliding wedges 90, a sleeve opening at one end of the push rod 70 is fixedly sleeved with the button 30, and a rail rod 72 at the other end of the push rod 70 is provided for pushing the sliding wedges 90 to laterally push; the rail rod 72 is provided with a rail groove 721, the inside of the hinged pipe 60 at two sides of the sleeve opening 71 is fixed with a guide rail 64, and the guide rail 64 is sleeved into the rail groove 721 to form a sliding pair for the rail rod 72 to move left and right; the side of the two wedges 90 opposite to each other has an outer wedge surface 93 which is contacted with the inclined surface 722 of the rail 72 end for pushing and matching.

The working principle and the operation of the cover plate mounting and dismounting bracket of the present invention will be described in detail below.

As shown in fig. 16, 12 and 13, the hinge pipe 60 is connected to the cover plate by fitting the bosses on both sides of the rear end of the cover plate to the damper 50, aligning the round pins 21 of the two supports 20 with the through holes 62 on the bottom of the hinge pipe 60, and fixing the supports 20 on the top of the rear end of the ceramic bowl. Then the cover plate is moved downwards, referring to fig. 10, the round pin 21 is inserted into the pin hole 11 at the bottom of the fixed shaft 10 installed in the hinge pipe 60 through the through hole 62, the lock catch automatically locks the round pin 21 inserted into the pin hole 11, the round pin 21 cannot be separated from the fixed shaft 10, and the hinge pipe 60 and the support are quickly installed and connected, namely the cover plate can be quickly installed and connected on the toilet.

As shown in fig. 12, 13, 14 and 15, when the key 80 is pressed, the inner wedge grooves 92 of the two sliding wedges 90 on the back of the key 80 respectively slide along the wedge edges 651 on both sides of the fixed wedge 65, the fixed wedge 65 wedges the inner wedge grooves 92 to make the two sliding wedges 90 move away from each other along the T-shaped sliding slot 81 on the back of the key 80, the distance between the two sliding wedges 90 increases progressively, and the outer wedge surfaces 93 of the two sliding wedges 90 respectively wedge the inclined surfaces 722 on the ends of the rail rods 72, so that the large-stroke actuating push rod 70 moves to press the corresponding button 30, and the fixed shafts 10 on both ends of the hinged pipe 60 unlock the round pins 21; as shown in fig. 16, the cover plate is pulled upwards to pull the round pin 21 out of the hinge tube 60, so that the cover plate can be quickly detached from the toilet bowl by pressing only one key 80.

As shown in fig. 15 and 13, when the round pin 21 is pulled out of the fixed shaft 10, the push button 30 is retracted and returned by the biasing force of the spring 40, and at the same time, the push button 30 is returned in conjunction with the push rod 70, the slide wedge 90, and the push button 80.

The above embodiments are provided for illustrative purposes only, and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention; therefore, all equivalent solutions shall also belong to the scope of the present invention, which is defined by the claims.

Claims (10)

1. The utility model provides a hasp for apron is connected, includes that a fixed axle (10) that supplies the apron installation to revolve and a rigid coupling support (20) on the stool pot, radial pinhole (11) plug cooperation on round pin (21) on support (20) and fixed axle (10), locking control hole (12) of fixed axle (10) axial and inserting lock groove (212) on round pin (21) in pinhole (11) counterpoint, button (30) roof pressure spring (40) are installed on fixed axle (10), its characterized in that:

a pair of elastic clasps (31) which are inserted into the lock control hole (12) and used for sliding the lock control round pin (21) are fixed on the button (30), and two lugs (311) which can be used for clamping and blocking the radial movement of the round pin (21) and can be extruded to open the clasps (31) when the round pin (21) moves radially are arranged on the opposite positions of the two clasps (31);

in the moving direction of the button (30), the front side and the rear side of the two convex blocks (311) are respectively a radial moving and embracing locking area (312) and a radial moving and avoiding unlocking area (313) of the two embracing clamps (31) for the round pin (21), and the radial moving and embracing locking area (312) is also provided with two buckling sheets (314) which are oppositely clamped into the locking groove (212) to axially lock the round pin (21);

when the button (30) is pressed to enable the round pin (21) to relatively move from the radial moving embracing locking area (312) to the radial moving avoiding unlocking area (313) and be shifted by the convex block (311), the round pin (21) is separated from the buckle piece (314), and the round pin (21) can be pulled out from the radial moving avoiding unlocking area (313) and the pin hole (11).

2. A cover plate connecting lock as claimed in claim 1, wherein: the buckle pieces (314) are arc-shaped clamping pieces, a socket is formed in opposite spaces of the two buckle pieces (314) so as to enable the radial movement of the two clasping clamps (31) to embrace a clamp part (315) which is used for expanding the locking area (312), and a conical ring surface (211) which can be used for guiding the inserting clamp part (315) to extrude and expand the two buckle pieces (314) is arranged at the top end of the round pin (21).

3. A cover plate connecting lock as claimed in claim 1, wherein: two guide holes (13) are further formed in one side of the button (30) on the fixed shaft (10) and below the lock control hole (12), and two guide rods (32) in sliding fit with the guide holes (13) are arranged on the button (30) below the holding clamp (31); the end of the guide rod (32) is provided with a barb (321), the fixed shaft (10) is provided with a strip-shaped groove (14) communicated with the guide hole (13) to give way to the barb (321), and the button (30) resets when the barb (321) of the guide rod (32) hooks the groove end face (141) of the strip-shaped groove (14).

4. A cover plate attaching latch as defined in claim 3, wherein: the spring (40) is arranged in the guide hole (13) and presses against the end of the guide rod (32).

5. A cover plate attaching latch as defined in claim 3, wherein: a first positioning hole (16) is formed between the two guide holes (13) on the fixed shaft (10), and a second positioning hole (33) is formed between the two guide rods (32) on the button (30); two ends of the spring (40) are positioned and pressed between the first positioning hole (16) and the second positioning hole (33).

6. A cover plate connecting lock as claimed in claim 1, wherein: the shaft end of the fixed shaft (10) opposite to the button (30) is provided with a special-shaped hole (15), and the special-shaped hole (15) is used for being inserted into the shell end of the damper (50) or the damping rotating shaft (51) of the damper (50).

7. A cover plate dismounting support comprises a hinged pipe (60) and two sets of cover plate connecting lock catches which are symmetrically arranged at two ends of the hinged pipe (60) respectively and used for connecting the cover plate as claimed in any one of claims 1-5, wherein a key (80) is arranged at a key position opening (63) in the middle of the hinged pipe (60), push rods (70) which are actuated by the key (80) and sleeved with buttons (30) are respectively arranged on the hinged pipes (60) at two sides of the key (80), and the cover plate dismounting support is characterized in that:

the back of the key (80) is symmetrically provided with two sliding wedges (90) capable of sliding left and right, a fixed wedge (65) is fixed in the hinged pipe (60), and the fixed wedge (65) can push the two sliding wedges (90) to move when the key (80) is pressed;

the opposite ends of the two push rods (70) are provided with symmetrical inclined planes (722), and the sliding wedge (90) in the pressing direction of the key (80) can move along the inclined planes (722) and push the push rods (70) in a wedging way so as to press the button (30) in a linkage way.

8. The cover plate attaching and detaching bracket according to claim 7, wherein:

the back of the key (80) is provided with a T-shaped sliding groove (81), and the sliding wedge (90) is provided with a T-shaped block (91) which can be in sliding fit with the T-shaped sliding groove (81) from left to right;

the left side and the right side of the fixed wedge (65) are provided with two symmetrical wedge edges (651), one opposite side of the two sliding wedges (90) is provided with an inner wedge groove (92) in sliding fit with the wedge edges (651), and the other opposite side of the two sliding wedges (90) is provided with an outer wedge surface (93) in contact, pushing and matching with the inclined surface (722).

9. The cover plate attaching and detaching bracket according to claim 8, wherein: one end of the push rod (70) is provided with a sleeve opening (71) fixedly sleeved with the button (30), and the other end of the push rod (70) is provided with a rail rod (72) for pushing the sliding wedge (90) laterally; the rail rod (72) is provided with a rail groove (721), guide rails (64) are fixed in the hinged pipes (60) at two sides of the sleeve opening (71), and the guide rails (64) are sleeved in the rail groove (721) to form a sliding pair for the rail rod (72) to move left and right; the inclined plane (722) is arranged at the end of the rail rod (72).

10. The cover plate attaching and detaching bracket according to claim 7, wherein: two ends of the bottom of the hinged pipe (60) are respectively provided with a through hole (62) aligned with the pin holes (11) of the fixed shaft (10) arranged at two sides in the pipe cavity (61), and a round pin (21) on the support (20) penetrates through the through holes (62) to be inserted into the pin holes (11) of the fixed shaft (10); the two dampers (50) are exposed at both ends of the tube cavity (61).

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