CN110338566A - A coffee table that prevents items from falling - Google Patents

Abstract

The invention belongs to the technical field of coffee tables, and in particular relates to a coffee table for preventing objects from falling, which includes a table board, a bracket, a table leg, and a lock mechanism. When the article is heavy, the article will press down the first table or the second table through its own gravity, so that the first table or the second table will swing downward relative to the middle table, so that the bracket will move downward relative to the first table and the second table. The second table board is exposed, which restricts the things placed on the side of the coffee table from sliding out of the table; compared with the traditional coffee table, this coffee table has the effect of preventing the things placed on the side of the coffee table from falling, and at the same time, when cleaning, As long as the article is picked up, the table board will rise, and the support is aligned with the table board surface, which has the beneficial effect of facilitating cleaning of sundries.

Description

A coffee table that prevents objects from falling

technical field

The invention belongs to the technical field of coffee tables, in particular to a coffee table for preventing objects from falling.

Background technique

At present, the tea table is an indispensable piece of furniture in modern life. The tea table mainly plays the role of placing teacups, tea making utensils, fruits, fruit knives, ashtrays, flowers and other common items in life; Put things on the side of the coffee table. If you accidentally touch the items placed on the side of the coffee table or accidentally touch the coffee table, it may cause the items placed on the side of the coffee table to fall; The floor is knocked; so it is very necessary to design a coffee table that can prevent items from falling. The present invention designs a coffee table that prevents items from falling to solve the above problems.

Contents of the invention

In order to solve the above-mentioned defects in the prior art, the present invention discloses a coffee table for preventing items from falling, which is realized by adopting the following technical solutions.

A tea table for preventing objects from falling, characterized in that it includes a tea table board, a bracket, a table leg, and a lock mechanism, wherein the four inner sides of the bracket are respectively provided with an arc surface, and the arc surface can ensure two first The table board and the two second table boards will not interfere with the four sides of the bracket during the swing process; a table leg is fixedly installed on the four corners of the lower side of the bracket, and the coffee table table board is installed on the bracket, and the limit The square ring is fixedly installed on the bracket and is located on the lower side of the four arc surfaces; the limiting square ring plays a limiting role on the two first table boards and the two second table boards, so that the two first table boards and the two When the second table board swings down to be on the same level as the middle table board, the limiting square ring can support and restrict the two first table boards and the two second table boards; the locking mechanism is installed on the bracket ; Partition boards are installed between the four table legs, and the partition boards are located at the lower ends of the four table legs; some commonly used items can be placed on the partition boards.

The support shell is fixedly installed between the four above-mentioned table legs through four third fixing rods; the inner side of the fixed block has a left and right through chute, and the inner side of the fixed block has a front and rear through square slot, and the square slot communicates with the chute ; The lower end of the fixed block is installed in the support shell through sliding fit, and two return springs are symmetrically installed between the lower side of the fixed block and the inner upper end surface of the support shell; the function of the return spring is to act on the fixed block. To reset; when people need to step on the upper side of the coffee table, due to the heavy weight of the human body, in order to prevent the two first table boards and the two second table boards from reciprocating swing during people's stepping, the two The first table board, the two second table boards and the middle table board are damaged. At the same time, if the two first table boards and the two second table boards are stepped on to contact with the limit square ring, they will pass through the limit square ring. The ring can bear part of the gravity, while the other part of the gravity needs to be borne by the hinges connected between the two first table boards and the two second table boards and the middle table board, so that the hinges are damaged; so when people need to step on On the upper side of the coffee table, firstly control the lock mechanism so that the coffee table is locked, the two first tables and the two second tables will not swing relative to the middle table, and the coffee table will drive after being stressed. The lock mechanism moves downward together, that is, the fixed block also moves downward, and the downward movement of the fixed block will compress the return spring; when the two first table boards and the two second table boards are in contact with the limiting square ring, Part of the gravity is borne by the limiting square ring, while the other part of the gravity is transmitted to the fixed block through the lock mechanism, and the fixed block is transmitted to the four table legs through the return spring and the support shell; it ensures that people step on the coffee table. When the upper side of the board is fixed, the stability of the coffee table table board also reduces the damage of the coffee table.

The above coffee table is composed of two first table boards, two second table boards and a middle table board, and a third slope is respectively opened on the four sides of the lower side of the middle table board, and the lower end of the middle table board is fixed Installed on the upper side of the fixed block; the two first table boards and the two second table boards are trapezoidal, and there is a second Slopes, the short sides and two hypotenuses of the lower sides of the two second table boards are provided with a first slope, the lower sides of the two first table boards are provided with a second avoidance groove, and the two second table boards There is a first avoidance groove on the lower side of the board; the short ends of the two first table boards are symmetrically installed on the left and right sides of the middle table board through the hinge; the short sides of the two second table boards are symmetrically arranged through the hinge installed on the front and rear sides of the middle table; two first table boards, two second table boards and a middle table board form a complete coffee table table board, and two first table boards, two second table boards plate and a middle table in close contact between the sides; prevent water spilled on the table from seeping into the underside of the coffee table; wet the items placed on the underside; the second inclined surface opened on the first table, the second The effect of the first inclined plane opened on the second table board and the third inclined plane opened on the middle table board is to ensure that the two first table boards and the two second table boards will not collide with each other when they swing relative to the middle table board. Interference occurs between the middle table boards; two symmetrically distributed leaf springs are installed between the two first table boards and the two second table boards and the corresponding sides of the fixed block respectively; The board and the two second table boards play a reset role; the two first table boards and the two second table boards are matched with the arc surfaces on the four inner sides of the support; the two first table boards and the The two second table boards cooperate with the limiting square ring.

The lock mechanism includes a limit rod, a first support block, a limit plate, a second support block, a first protrusion, a first notch, a second protrusion, and a second notch, wherein one end of the limit rod is installed with a first Protrusion, the end of the first protrusion close to the limit rod has a first gap, the other end of the limit rod is equipped with a second protrusion, and the end of the second protrusion far away from the limit rod has a second gap; The limit rod is installed on the fixed block through the chute opened on the fixed block, and the first protrusion and the second protrusion on the limit rod correspond to the second escape grooves opened on the two first table boards ; During the downward swing of the two first table boards relative to the middle table board, in order to prevent the two first table boards from interfering with the first protrusion and the second protrusion installed on the limit rod during the swing process, Therefore, the two first table boards in the present invention are respectively provided with a second avoidance groove, and the second avoidance groove is used to prevent the two first table boards from colliding with the first protrusion and the first protrusion installed on the limit rod during the swing process. The second protrusion interferes; the limit plate is fixedly installed on the limit rod, and the limit plate passes through the square groove opened on the fixed block; The first avoidance groove is correspondingly matched; in the process of the two second table boards swinging downward relative to the middle table board, in order to prevent the two second table boards from interfering with the limit plate installed on the limit rod during the swing process, Therefore, the two second table boards in the present invention are respectively provided with a first avoidance groove, and the two second table boards are prevented from interfering with the two ends of the limit plate during the swing process through the first avoidance groove; The first support block is symmetrically installed on the lower sides of the two first table boards, and one of the two first support blocks is matched with the first protrusion and the first notch installed on the limit rod, and the other is matched with the second The protrusion and the second notch are correspondingly matched; in the present invention, under normal conditions, one of the two first support blocks is matched with the first notch on the first protrusion installed on the limit rod, and the other is matched with the second protrusion. The second notch on the lifter is correspondingly matched to prevent the two first support blocks installed on the two first table boards from interfering with the first protrusion and the second protrusion installed on the limit rod during the swing process ; When the first table board needs to be locked, control the movement of the limit rod, and the movement of the limit rod will make the first protrusion installed on the limit rod not have the end of the first gap and the second protrusion The end without the second gap is in contact with the two first support blocks installed on the two first table boards, and the two first table boards are supported by the first protrusion and the second protrusion ; The two second support blocks are symmetrically installed on the lower sides of the two second table boards, and the two second support blocks are respectively located on the side of the corresponding first avoidance groove; the two second support blocks and the limit plate The two ends are correspondingly matched; in the present invention, when the second table board needs to be locked, the movement of the limit rod is controlled, and the movement of the limit rod will make the limit plate installed on the limit rod and the two second tables installed on the two second tables. The two second supporting blocks on the plate are correspondingly in contact with each other, and support the two second table boards through the two ends of the limiting plate.

The locked state of the lock mechanism is controlled by controlling the movement of the limit lever.

As a further improvement of this technology, two limit slide slots are symmetrically opened on the inner side of the above-mentioned supporting shell; two sliders are symmetrically installed on both sides of the lower end of the fixed block; The cooperation of the chute is installed on the supporting shell; through the cooperation of the two sliders and the two limit chute, the fixed block plays a guiding role.

As a further improvement of this technology, two first mounting plates are respectively symmetrically installed on the left and right sides of the above-mentioned fixed block; two second mounting plates are respectively symmetrically installed on the front and rear sides of the fixed block; One end that the leaf springs on the left and right sides are connected with the fixed block is fixedly installed on the first mounting plate, and the end that the leaf springs on the front and rear sides of the fixed block are connected with the fixed block is fixedly installed on the lower side of the second mounting plate.

As a further improvement of this technology, the fixed plate is installed on the above-mentioned fixed block, the threaded sleeve has internal threads, the threaded sleeve is fixedly installed on the lower side of the fixed plate, the screw has external threads, and one end of the screw is installed on the limit rod through rotation. On the top, the screw rod and the internal thread of the threaded sleeve are connected through internal and external threads, and the handle is installed on the other end of the screw rod; turning the handle makes the handle drive the screw to rotate. The top is stationary, so the rotation of the screw will make the screw move along the axis of the threaded sleeve, and the movement of the screw drives the movement of the limit rod.

As a further improvement of the present technology, the above-mentioned fixing plate is installed on the fixing block through two first installing plates installed on one side of the fixing block.

As a further improvement of this technology, the above-mentioned fixed plate is installed on the above-mentioned fixed block, a square opening is opened on one side of the installation shell, and the installation shell is fixed and installed on the lower side of the fixed plate through an L shape; the guide sleeve is installed on the first fixed rod L-shaped fixed; the guide sleeve plays a guiding role for the rack; the lower end of the rack is installed with a spring fixing plate, the rack is installed on the lower side of the fixing plate through the guide sleeve, and the spring fixing plate is slidingly matched with the installation shell; the spring is fixed A return spring is installed between the plate and the lower end surface of the inner side of the installation shell; the return spring resets the rack; one end of the pedal is nested and installed on the installation shell, and the pedal is fixedly connected to the rack; the fixed shaft is fixed through the second The rod is installed on the first fixed rod, and the gear is installed on the fixed shaft through the one-way clutch; the function of the one-way clutch is to ensure that the gear can drive the fixed shaft to rotate during the downward movement of the pedal, and the pedal is under the action of the return spring During the process of reset and upward movement, the gear will not drive the fixed shaft to rotate; the gear and the rack are meshed; the fixed shaft and the limit rod are connected by a crank slider mechanism; stepping down on the pedal makes the pedal move down, and the pedal moves down Drive the rack to move downward, the rack will drive the gear to rotate when the rack moves downward, and the rotation of the gear will drive the limit rod to move through the slider crank mechanism.

As a further improvement of this technology, one end of the rocker is fixedly mounted on the above-mentioned fixed rotating shaft, one end of the swing rod is mounted on the other end of the rocker in a hinged manner, one end of the connecting block is fixedly mounted on the limit rod, and the connecting block The other end is connected with the other end of the swing rod through a rotating pair; the rotation of the fixed shaft drives the rocker to rotate, and the rotation of the rocker drives the swing rod to swing, and the swing of the swing rod will drive the connecting block to slide along the moving direction of the limit rod, and the connecting block will slide Drive the limit lever to slide.

As a further improvement of this technology, the square opening of the above-mentioned installation shell is installed on the isolation elastic plate; it plays an isolation role on the return spring.

As a further improvement of this technology, two limit mechanisms are installed on the underside of the above-mentioned fixed plate; a first spring is installed between the limit rod and the fixed plate; The limit mechanism cooperates.

The above-mentioned limiting mechanism includes a limiting block, a limiting shell, and a limiting spring. The limiting shell is fixedly installed on the lower side of the fixing plate. One end of the limiting block has a symmetrical slope, and the other end of the limiting block is installed on the limiting shell. Inside, and a limit spring is installed between one end of the limit block located in the limit shell and the inner end surface of the limit shell.

In the present invention, when the pedal is stepped down, the pedal will control the movement of the limit rod through the rack, gear and crank slider mechanism, and the movement of the limit rod will drive the clamp to move. If the pedal is completely stepped on the bottom side, the tea table will Lock on the board, in this state, the clamp will move from one side of the two limit mechanisms to one side of the other limit mechanism, and the clamp will squeeze the corresponding limit during the movement. The limit block in the position mechanism makes the limit block move towards the inside of the limit groove. When the clamping plate crosses the corresponding limit block, the limit spring of the limit block will move out of the limit housing again, and The limit shell collides with the limit block to make a sound. People can judge the locking state of the coffee table table according to the sound. The plate cannot move from one side of one of the two limit mechanisms to one side of the other limit mechanism, and stays between the two limit mechanisms. In this state, the first spring will reverse Pull the block to make the block move back, and the limit lever returns to the initial state, that is, the lock mechanism resets; the first spring can ensure that the limit lever will automatically return to the position when the pedal is not fully stepped on the bottom side of the lock mechanism. In the initial state, ensure that the coffee table is in an unlocked state, which is convenient for the next use.

The above two limit blocks, for the limit block that does not cooperate with the clamp in the initial state, it can ensure that when the clamp passes over the limit block, the pulling of the first spring will not cause the clamp to break away from the limit block , but the force driven by the pedal is sufficient to disengage the pallet from the limit block. For the limit block that is matched with the clip in the initial state, it is ensured that only under the action of the first spring, the clip can be pulled from the side of the limit block facing the other limit block to the side of the limit block facing away from the other limit block. side of the bit block. The functional limitation of the above-mentioned limit block is guaranteed by designing the sharp-angled slope of the limit block.

In the present invention, the connecting rod slider mechanism is formed by the rocker, the swing rod and the connecting block. When the pedal is stepped down completely once, the rack drives the gear to rotate 180 degrees, the gear drives the rocker to rotate 180 degrees, and the connecting block drives the limit lever. The clamping plate on the top moves from one side of the limit mechanism relatively close to the middle table of the two limit mechanisms to the other side of the other, that is, the limit lever is moved once to lock, and the pedal is stepped down once again. The connecting block drives the clamping plate on the limit rod to move from one side of the limit mechanism relatively far away from the middle table to the other side of the two limit mechanisms, that is, the limit lever moves again to unlock, that is, the pedal Step down once to lock the top of the coffee table. Step down on the pedal again to unlock the coffee table.

As a further improvement of the present technology, the above-mentioned first spring is a tension spring.

Compared with the traditional tea table technology, if the tea table designed by the present invention inadvertently puts something on the edge of the tea table during use, and the item is heavy, the item will press down the first table or the second table by its own gravity. The second table board makes the first table board or the second table board swing downward relative to the middle table board, so that the bracket is exposed relative to the first table board and the second table board, and plays a role in restricting the things placed on the side of the coffee table from sliding down ;Compared with the traditional coffee table, the tea table has the effect of preventing the things placed on the side of the tea table from falling. If the traditional tea table is to prevent things from falling, it will simply add a ring-shaped protrusion on the side of the tea table. When cleaning, the small debris on the coffee table will be stuck on the ring-shaped protrusion, and cannot be wiped off from the edge of the table by the rag. If you need to clean the coffee table, first remove the items on the coffee table. After the first table and the second table lose pressure and automatically set up, you can clean the coffee table normally with a rag. During cleaning, because the bracket is flush with the table, it can be normal clean up. If people don't like the deformation and swing of the tea table, the control lock mechanism makes the tea table lock, and the tea table will not be deformed, and people can clean the tea table without making the two first table boards in the cleaning process. and the two second table boards are forced to swing downwards, so that the bracket protrudes relative to the two first table boards and the two second table boards, which affects the cleaning of the coffee table. The lock mechanism locks the top of the coffee table, and then supports the top of the coffee table through the limiting square ring and four table legs installed on the bracket, ensuring that when people step on the upper side of the top of the coffee table, the coffee table will The stability of the board also reduces the damage of the coffee table.

Description of drawings

Figure 1 is a schematic diagram of the appearance of the overall components.

Figure 2 is a schematic diagram of the distribution of the overall components.

Figure 3 is a schematic diagram of bracket installation.

Figure 4 is a schematic diagram of the distribution of the lock mechanism.

Figure 5 is a schematic diagram of the installation of the lock mechanism.

Figure 6 is a schematic diagram of the installation of the limiting square ring.

Fig. 7 is a schematic diagram of the distribution of support shells.

Fig. 8 is a schematic diagram of the supporting shell structure.

Fig. 9 is a schematic diagram of the distribution of the first table, the second table and the middle table.

Fig. 10 is a schematic diagram of the structure of the second table top.

Fig. 11 is a schematic diagram of the structure of the first table top.

Figure 12 is a schematic diagram of fixing block installation.

Figure 13 is a schematic diagram of the installation of the limiting plate.

Figure 14 is a schematic diagram of the installation of the limit rod.

Fig. 15 is a schematic diagram of the structure of the fixed block.

Fig. 16 is a schematic diagram of cooperation between the limit rod and the first support block.

Figure 17 is a schematic diagram of leaf spring installation.

Figure 18 is a schematic diagram of fixing plate installation.

Figure 19 is a schematic diagram of the installation of the installation shell.

Figure 20 is a schematic diagram of gear installation.

Fig. 21 is a schematic diagram of the structure of the installation shell.

Fig. 22 is a schematic diagram of the cooperation between the gear and the rack.

Figure 23 is a schematic diagram of the installation of the return spring.

Figure 24 is a schematic diagram of the installation of the support shell.

Figure 25 is a schematic diagram of the installation of the return spring.

Figure 26 is a schematic diagram of the installation of the one-way clutch.

Fig. 27 is a schematic diagram of the distribution of the limit mechanism.

Fig. 28 is a structural schematic diagram of the limit mechanism.

Fig. 29 is a schematic diagram of driving the limit rod.

The names of the labels in the figure: 1. coffee table table; 2. bracket; 3. table leg; 4. partition; 5. lock mechanism; 6. limit square ring; 7. curved surface; One table; 10, middle table; 11, second table; 12, hinge; 13, first slope; 14, first avoidance groove; 15, second slope; 16, second avoidance groove; 17, Limiting rod; 18, fixed block; 19, the first support block; 20, limit plate; 21, the second support block; 22, the first spring; 23, the first protrusion; 24, the first gap; 25, The second protrusion; 26, the second gap; 27, the first mounting plate; 28, the second mounting plate; 29, the leaf spring; 30, the fixed plate; 31, the mounting shell; 32, the rack; 33, the gear; 34 , first fixed rod; 35, L-shaped fixed; 36, second fixed rod; 37, guide sleeve; 38, pedal; 39, square mouth; 40, connecting block; 41, swing rod; 42, rocker; 43, Isolation elastic plate; 44, spring fixed plate; 45, return spring; 46, the third fixed rod; 47, return spring; 48, limit chute; 49, slide block; 50, square groove; 51, chute; 52, one-way clutch; 53, limit mechanism; 54, limit block; 55, limit shell; 56, limit spring; 57, fixed shaft; , the handle; 62, the third slope.

Detailed ways

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples or drawings are used to illustrate the present invention, but not to limit the scope of the present invention.

As shown in Figures 1 and 2, it includes a coffee table table board 1, a bracket 2, a table leg 3, and a lock mechanism 5. The surface 7 can ensure that the two first table boards 9 and the two second table boards 11 will not interfere with the four sides of the support 2 during the swing process; the four corners of the lower side of the support 2 are respectively fixed with a table Leg 3, as shown in Figures 5 and 6, coffee table table 1 is installed on the bracket 2, as shown in Figures 3 and 7, the limiting square ring 6 is fixedly installed on the bracket 2 and is located on the lower side of the four arc surfaces 7 ; The limiting square ring 6 plays a limiting role on the two first table boards 9 and the two second table boards 11, so that the two first table boards 9 and the two second table boards 11 swing downward to the same When the middle table 10 is at the same level, the limiting square ring 6 can support and limit the two first table 9 and the two second table 11; as shown in Figures 4 and 5, the lock mechanism 5 is installed on the On the bracket 2, a partition 4 is installed between the four table legs 3, and the partition 4 is located at the lower end of the four table legs 3; some commonly used items can be placed on the partition 4.

As shown in Figures 7 and 24, the support shell 8 is fixedly installed between the four above-mentioned table legs 3 through four third fixing rods 46; , the inner side of the fixed block 18 is provided with a square groove 50 that runs through front and rear, and the square groove 50 communicates with the chute 51; as shown in Figure 25, the lower end of the fixed block 18 is installed in the support shell 8 by sliding fit, and the Two return springs 47 are symmetrically installed between the lower side and the inner upper end surface of the support shell 8; the function of the return springs 47 is to reset the fixed block 18; When on the upper side, due to the heavy weight of the human body, in order to prevent the two first table boards 9 and the two second table boards 11 from swinging back and forth during people's stepping, the two first table boards 9 and the two second table boards 9 and 2 The table board 11 and the middle table board 10 are damaged, and if the two first table boards 9 and the two second table boards 11 are stepped on to contact with the limiting square ring 6, the limiting square ring 6 can bear a part Gravity, and another part of gravity needs to be borne by the hinge 12 connected between the two first table boards 9 and two second table boards 11 and the middle table board 10, so that the hinge 12 is damaged; so when people need to step on When reaching the upper side of the coffee table top 1, firstly control the lock mechanism 5 so that the coffee table top 1 is locked, the two first tops 9 and the two second tops 11 will not swing relative to the middle top 10, the coffee table top 1 will drive the lock mechanism 5 to move downward together after being stressed, that is, the fixed block 18 will also move downward, and the fixed block 18 will compress the return spring 47 when it moves downward; when the two first table boards 9 and the two After the second table board 11 is in contact with the limiting square ring 6, it bears a part of the gravity through the limiting square ring 6, and the other part of the gravity is transmitted to the fixed block 18 through the lock mechanism 5, and the fixed block 18 passes through the return spring. 47 and the supporting shell 8 are passed on the four table legs 3; when people step on the upper side of the tea table table 1, the stability of the coffee table table 1 is ensured, and the damage of the coffee table is also reduced.

As shown in Figures 8 and 9, the above-mentioned coffee table table 1 is composed of two first table boards 9, two second table boards 11 and a middle table board 10, as shown in Figure 9, the lower side of the middle table board 10 A third inclined plane 62 is respectively opened on the four sides of the middle table board 10, and the lower end of the middle table board 10 is fixedly installed on the upper side of the fixed block 18; as shown in Figures 10 and 11, two first table boards 9 and two second table boards The table boards 11 are trapezoidal, and a second slope 15 is formed on the short sides and two hypotenuses of the two first table boards 9 downsides, the short sides and the two hypotenuses of the two second table boards 11 downsides All have a first slope 13 on each hypotenuse, the underside of two first table boards 9 all have a second escape groove 16, the underside of two second table boards 11 all have a first avoidance groove Slot 14; the short ends of the two first table boards 9 are symmetrically installed on the left and right sides of the middle table board 10 through the hinge 12; the short sides of the two second table boards 11 are symmetrically installed on the middle table through the hinge 12 The front and rear sides of the board 10; two first table boards 9, two second table boards 11 and a middle table board 10 form a complete coffee table table board 1, and two first table boards 9, two second table boards The table board 11 and a middle table board 10 are in close contact between the sides that cooperate with each other; prevent the water sprinkled on the desktop from penetrating into the underside of the coffee table; the articles placed on the lower side are wet; the first table board 9 is opened. The effect of the first inclined-plane 13 that is opened on the second inclined-plane 15, the second table board 11 and the third inclined-plane 62 that is opened on the middle table board 10 is to guarantee two first table boards 9 and two second table boards 11 in In the process of swinging relative to the middle table 10, there will be no interference with the middle table 10; as shown in FIG. Two symmetrically distributed leaf springs 29 are installed between them; the effect of the leaf springs 29 is to reset the two first table boards 9 and the two second table boards 11; the two first table boards 9 and the two second table boards The two table boards 11 are matched with the curved surfaces 7 formed on the four inner sides of the support 2; the two first table boards 9 and the two second table boards 11 are matched with the limiting square ring 6.

As shown in Figure 16, the lock mechanism 5 includes a limit rod 17, a first support block 19, a limit plate 20, a second support block 21, a first protrusion 23, a first notch 24, a second protrusion 25, The second notch 26, wherein one end of the limiting rod 17 is equipped with a first protrusion 23, the first protrusion 23 has a first notch 24 near the end of the limiting rod 17, and the other end of the limiting rod 17 is equipped with a first notch 24. Two protrusions 25, the second protrusion 25 has a second gap 26 away from one end of the stop bar 17; as shown in Figures 12 and 14, the stop bar 17 is installed on the On the fixed block 18, the first protrusion 23 and the second protrusion 25 on the stop bar 17 correspond to the second escape groove 16 opened on the two first table boards 9; on the two first table boards 9 In the process of swinging down relative to the middle table 10, in order to prevent the two first table boards 9 from interfering with the first protrusion 23 and the second protrusion 25 installed on the limit rod 17 during the swing process, this The two first table boards 9 in the invention are respectively provided with a second avoidance groove 16, through which the second avoidance groove 16 is used to prevent the two first table boards 9 from contacting the first table board 9 installed on the limit rod 17 during the swing process. The protrusion 23 interferes with the second protrusion 25; as shown in Figure 16, the limiting plate 20 is fixedly installed on the limiting rod 17, and as shown in Figure 13, the limiting plate 20 passes through the opening on the fixed block 18. the square groove 50; the two ends of the limit plate 20 correspond to the first escape groove 14 opened on the two second table boards 11; when the two second table boards 11 swing downward relative to the middle table board 10 Among them, in order to prevent the two second table boards 11 from interfering with the limit plate 20 installed on the limit rod 17 during the swing process, so the two second table boards 11 in the present invention are respectively provided with a first avoidance The slot 14 prevents the two second table boards 11 from interfering with the two ends of the limit plate 20 during the swing process through the first escape slot 14; as shown in Figure 12, the two first support blocks 19 are symmetrically installed on the The underside of the two first table boards 9, and one of the two first support blocks 19 cooperates with the first protrusion 23 and the first notch 24 installed on the limit rod 17, and the other cooperates with the second protrusion 25 Correspondingly cooperate with the second notch 26; in the present invention, under normal conditions, one of the two first support blocks 19 cooperates with the first notch 24 on the first protrusion 23 installed on the limit rod 17, and the other matches with the first notch 24 on the first protrusion 23 installed on the limit rod 17. The second notches 26 on the second protrusion 25 are correspondingly matched, preventing the two first support blocks 19 on which the two first table boards 9 are installed from being in contact with the first protrusions installed on the limit rod 17 during the swing process. 23 interferes with the second protrusion 25; when the first table board 9 needs to be locked, the movement of the stop bar 17 is controlled, and the movement of the stop bar 17 will make the first protrusion installed on the stop bar 17 23, one end without the first notch 24 and one end of the second protrusion 25 without the second notch 26 are in corresponding contact with the two first support blocks 19 installed on the two first table boards 9, through The first protrusion 23 and the second protrusion 25 play a supporting role to the two first table boards 9; the two second support blocks 21 Symmetrically installed on the underside of the two second table boards 11, and the two second support blocks 21 are respectively located on the side of the corresponding first escape groove 14; the two second support blocks 21 and the two ends of the limit plate 20 Corresponding cooperation; in the present invention, when the second table board 11 needs to be locked, control the limit bar 17 to move, and the limit bar 17 will move so that the limit plate 20 installed on the limit bar 17 will be installed on the two The two second support blocks 21 on the second table top 11 are in contact with each other, and support the two second table tops 11 through the two ends of the limiting plate 20 .

The locked state of the lock mechanism 5 is controlled by controlling the movement of the limit rod 17 .

As shown in Figures 25 and 15, the inner side of the above-mentioned supporting shell 8 is symmetrically provided with two limit slide grooves 48; two sliding blocks 49 are symmetrically installed on both sides of the lower end of the fixed block 18; The block 49 cooperates with the two limiting chute 48 and is installed on the supporting shell 8; the fixing block 18 is guided by the cooperation of the two sliding blocks 49 and the two limiting chute 51 .

As shown in Figure 17, two first mounting plates 27 are respectively symmetrically installed on the left and right sides of the above-mentioned fixed block 18; two second mounting plates 28 are respectively symmetrically installed on the front and rear sides of the fixed block 18; One end that the leaf spring 29 on the left and right sides of the fixed block 18 is connected with the fixed block 18 is fixedly installed on the first mounting plate 27, and the end that the leaf spring 29 that is installed on the front and rear sides of the fixed block 18 is connected with the fixed block 18 is fixedly installed on the On the underside of the second mounting plate 28 .

As shown in Figure 29, the fixed plate 30 is installed on the above-mentioned fixed block 18, the threaded sleeve 60 has internal threads, the threaded sleeve 60 is fixedly installed on the lower side of the fixed plate 30, the screw rod has external threads, and one end of the screw rod is installed by rotating On the limit rod 17, the threaded rod and the internal thread of the threaded sleeve 60 are connected by internal and external threads, and the handle 61 is installed on the other end of the screw rod; turning the handle 61 makes the handle 61 drive the screw rod to rotate, because the threaded sleeve 60 is fixedly installed on the The fixed plate 30 is stationary in the direction of rotation or lateral movement, so the rotation of the screw will cause the screw to move along the axis of the threaded sleeve 60 , and the movement of the screw will drive the movement of the limiting rod 17 .

As shown in FIG. 18 , the above-mentioned fixing plate 30 is installed on the fixing block 18 through two first installing plates 27 installed on one side of the fixing block 18 .

The above-mentioned fixed plate 30 is installed on the above-mentioned fixed block 18, as shown in Figure 21, one side of the mounting shell 31 has a square opening 39, as shown in Figure 19, the mounting shell 31 is installed on the fixed plate 30 through an L-shaped fixing 35. Lower side; as shown in Figure 20, guide sleeve 37 is installed on the L-shaped fixing 35 by first fixed rod 34; Guide sleeve 37 plays a guiding role to rack 32; As shown in Figure 23, the lower end of rack 32 is installed There is a spring fixing plate 44, the rack 32 is installed on the lower side of the fixing plate through the guide sleeve 37, and the spring fixing plate 44 is slidingly matched with the installation shell 31; Spring 45; back-moving spring 45 plays reset action to rack 32; As shown in Figure 22, one end of pedal 38 is nested and installed on the mounting case 31, and pedal 38 is fixedly connected with rack 32; Fixed rotating shaft 57 passes through the second The fixed rod 36 is installed on the first fixed rod 34, as shown in Figure 26, the gear 33 is installed on the fixed rotating shaft 57 through the one-way clutch 52; 33 can drive the fixed rotating shaft 57 to rotate, and the gear 33 will not drive the fixed rotating shaft 57 to rotate during the upward movement of the pedal 38 under the action of the back-moving spring 45; the gear 33 is meshed with the rack 32; They are connected by a crank slider mechanism; stepping down on the pedal 38 makes the pedal 38 move downward, and the downward movement of the pedal 38 drives the rack 32 to move downward, and the downward movement of the rack 32 will drive the gear 33 to rotate, and the gear 33 Rotation will drive the stop rod 17 to move by the slider crank mechanism.

As shown in Figure 22, one end of the rocker 42 is fixedly mounted on the above-mentioned fixed rotating shaft 57, one end of the swing rod 41 is mounted on the other end of the rocker 42 in a hinged manner, and one end of the connecting block 40 is fixedly mounted on the limit rod 17. Above, the other end of the connecting block 40 is connected with the other end of the swing rod 41 through a rotating pair; the rotation of the fixed shaft 57 drives the rocking rod 42 to rotate, and the rotation of the rocking rod 42 drives the swinging rod 41 to swing, and the swinging of the swing rod 41 will drive the connecting block 40 Sliding along the moving direction of the limiting rod 17 , the connecting block 40 slides to drive the limiting rod 17 to slide.

As shown in Figures 22 and 23, the square opening 39 of the installation shell 31 is installed on the isolation elastic plate 43;

As shown in Figure 27, two limit mechanisms 53 are installed on the underside of the above-mentioned fixed plate; the first spring 22 is installed between the limit rod 17 and the fixed plate; Plate 58 cooperates with two position-limiting mechanisms 53;

As shown in Figure 28, the above-mentioned limiting mechanism 53 includes a limiting block 54, a limiting shell 55, and a limiting spring 56, and the limiting shell 55 is fixedly installed on the lower side of the fixed plate, and one end of the limiting block 54 has a symmetrical slope , the other end of the limiting block 54 is installed in the limiting shell 55 , and a limiting spring 56 is installed between one end of the limiting block 54 located in the limiting shell 55 and the inner end surface of the limiting shell 55 .

When the pedal 38 is stepped on downwards in the present invention, the pedal 38 will control the movement of the limit rod 17 through the rack 32, the gear 33 and the slider crank mechanism, and the movement of the limit rod 17 will drive the clamping plate 58 to move. When stepping on the lowermost side, the coffee table table 1 is locked. In this state, the clip 58 will move from one side of one of the two limit mechanisms 53 to one side of the other limit mechanism 53. side, the clamping plate 58 will squeeze the limit block 54 in the corresponding limit mechanism 53 during the movement, so that the limit block 54 moves towards the inside of the limit housing 55, and when the clamp plate 58 crosses the corresponding limit block 54 , under the action of the limit spring 56 of the limit block 54, the limit case 55 will be moved out again, and the limit position of the limit block 54 by the limit case 55 collides with the limit block 54 to make a sound. Judging the locked state of the coffee table table top 1, if the pedal 38 is not completely stepped on the bottom when being stepped on, at this moment, the clamping plate 58 cannot move from one side of one of the limiting mechanisms 53 in the two limiting mechanisms 53 To the side of the other limiting mechanism 53, stay between the two limiting mechanisms 53, in this state, the first spring 22 will reversely pull the clamping plate so that the clamping block moves back, and the limiting rod 17 returns to The initial state, that is, the lock mechanism 5 is reset; the first spring 22 can ensure that the lock mechanism 5 is not fully stepped on the bottom side of the pedal 38, and the limit rod 17 will automatically return to the initial state, ensuring that the coffee table table 1 is in the original state. Unlocked state, convenient for next use.

The above two limit blocks, for the limit block that does not cooperate with the clamp in the initial state, it can ensure that when the clamp passes over the limit block, the pulling of the first spring will not cause the clamp to break away from the limit block , but the force driven by the pedal is sufficient to disengage the pallet from the limit block. For the limit block that is matched with the clip in the initial state, it is ensured that only under the action of the first spring, the clip can be pulled from the side of the limit block facing the other limit block to the side of the limit block facing away from the other limit block. side of the bit block. The functional limitation of the above-mentioned limit block is guaranteed by designing the sharp-angled slope of the limit block.

In the present invention, the connecting rod slider mechanism is formed by the rocking bar 42, the swing bar 41 and the connecting block 40. The pedal 38 is completely stepped down once, the rack 32 drives the gear 33 to rotate 180 degrees, and the gear 33 drives the rocking bar 42 to rotate 180 degrees. degree, the connecting block 40 drives the clamping plate 58 on the limit rod 17 to move from one side of the limit mechanism 53 relatively close to the middle table 10 in the two limit mechanisms 53 to the other side of the other, that is, the limit The rod 17 is moved once to lock, and the pedal 38 is stepped down once again, and the connecting block 40 drives the clamping plate 58 on the limit rod 17 to move from the two limit mechanisms 53 relatively far away from the position of a limit mechanism 53 of the middle table 10. One side moves to the other side, that is, the limit rod 17 moves again to unlock, that is, the pedal 38 steps down once to lock the coffee table table 1, and the pedal 38 steps down once again to unlock the coffee table table 1 .

The above-mentioned first spring 22 is a tension spring.

To sum up: the beneficial effect of the design of the present invention: during the use of the tea table, if something is inadvertently placed on the edge of the tea table, and the item is heavy, the item will press down on the first table by its own gravity. The board 9 or the second table board 11 makes the first table board 9 or the second table board 11 swing down relative to the middle table board 10, so that the support 2 is exposed relative to the first table board 9 and the second table board 11, and is placed on the coffee table The things on the edge play a role in limiting sliding; compared with the traditional tea table, the tea table has the effect of preventing the things placed on the side of the tea table from falling. If the traditional coffee table simply adds a ring-shaped protrusion on the edge of the coffee table in order to prevent things from falling, then when the tea table is cleaned, the small debris on the coffee table will be stuck on the ring-shaped protrusion and cannot be removed. The rag was wiped off the edge of the tabletop. If you need to clean the coffee table, first remove the items on the coffee table. After the first table and the second table lose pressure and automatically set up, you can clean the coffee table normally with a rag. During cleaning, because the bracket is flush with the table, it can be normal clean up. If people don't like the deformation and swing of the tea table top 1, the control lock mechanism 5 makes the tea table top 1 lock, and the tea table top 1 will not be deformed, and people can clean the coffee table without making two people in the cleaning process. The first table board 9 and the two second table boards 11 are forced to swing downwards so that the support 2 protrudes relative to the two first table boards 9 and the two second table boards 11, which affects the cleaning of the coffee table. When stepping on the tea table top, the coffee table top 1 is locked by controlling the lock mechanism 5, and then the coffee table top 1 is supported by the limiting square ring 6 and the four table legs 3 installed on the bracket 2, It ensures the stability of the tea table table 1 when people step on the upper side of the coffee table table 1, and also reduces the damage of the coffee table.

Concrete work flow: there are two types of execution structures of the lock mechanism of the present invention, which are divided into embodiment 1 and embodiment 2 according to the two types.

Embodiment 1: When using the coffee table designed by the present invention, if an object is inadvertently placed on the side of the coffee table during use, and the object is heavy, the object will press down the first table board 9 by its own gravity Or the second table board 11 makes the first table board 9 or the second table board 11 swing down relative to the middle table board 10, so that the bracket 2 protrudes relative to the first table board 9 and the second table board 11, and is placed on the side of the coffee table The things on the coffee table play a role in restricting the sliding down, preventing the things placed on the edge of the coffee table from falling; and during use, if you need to clean the coffee table, first remove the items on the coffee table, and wait for the first table board and the second table to be cleaned. After the table loses pressure and automatically swings up, the tea table can be cleaned normally with a rag. During cleaning, because the bracket is flush with the table, it can be cleaned normally. If people don't like the deformation and swing of the tea table table 1, in this case, stepping on the pedal 38 downwards makes the pedal 38 move downward, and the downward movement of the pedal 38 drives the tooth bar 32 to move downward, and the downward movement of the tooth bar 32 just It will drive the gear 33 to rotate, the rotation of the gear 33 will drive the fixed shaft 57 to rotate, the rotation of the fixed shaft 57 will drive the rocker 42 to rotate, the rotation of the rocker 42 will drive the swing bar 41 to swing, and the swing of the swing bar 41 will drive the connecting block 40 along the limit. The moving direction of the stop bar 17 slides, and the sliding of the connecting block 40 drives the stop bar 17 to slide; the movement of the stop bar 17 will make the first protrusion 23 installed on the stop bar 17 not have an end of the first gap 24 and One end of the second protrusion 25 without the second notch 26 is in contact with the two first support blocks 19 installed on the two first table boards 9, through the first protrusion 23 and the second protrusion 25 The two first table boards 9 play a supporting role; at the same time, the movement of the limit rod 17 will make the limit plate 20 installed on the limit rod 17 and the two second table boards installed on the two second table boards 11 The support block 21 corresponds to the contact and fit, and supports the two second table boards 11 through the two ends of the limit plate 20; the coffee table table board 1 is locked, and after locking, the tea table and the traditional tea table have a slight angle except the desktop Except for the difference, the use is the same; the table top 1 of the coffee table will not be deformed when it is locked, no matter whether there are objects on the table, the table will not be deformed and swing, and it can be cleaned normally during cleaning, and it will not be caused by cleaning. During the process, the two first table boards 9 and the two second table boards 11 are forced to swing downward so that the bracket 2 protrudes relative to the two first table boards 9 and the two second table boards 11, which affects the cleaning of the coffee table; For the coffee table, it is unavoidable to step on it as a support to pick up high objects. When people need to step on the upper side of the coffee table table 1, in order to ensure that the coffee table has sufficient strength to support the weight of the human body, firstly control the lock mechanism 5. Make the coffee table table 1 locked, the two first table boards 9 and the two second table boards 11 will not swing relative to the middle table board 10, and when stepped on, the coffee table table board 1 will drive the lock mechanism under force 5 move downward together, that is, the fixed block 18 also moves downward, and the fixed block 18 will compress the return spring 47 when the fixed block 18 moves downward; After the ring 6 is in contact, a part of the gravity is borne by the limiting square ring 6, and the other part of the gravity is transmitted to the fixed block 18 through the lock mechanism 5, and the fixed block 18 is transmitted to the four tables through the return spring 47 and the support shell 8. On the legs 3; it ensures the stability of the tea table table 1 when people step on the upper side of the tea table table 1, and also reduces the damage of the coffee table.

Embodiment 2: The lock mechanism in Embodiment 1 is changed to screw rod movement. According to the situation of needing to lock in Embodiment 1, when it needs to be locked, turn the handle 61 so that the handle 61 drives the screw rod to rotate. The sleeve 60 is fixedly installed on the fixed plate 30, and is stationary in the direction of rotation or lateral movement, so the rotation of the screw will make the screw move along the axis of the threaded sleeve 60, and the movement of the screw drives the movement of the limit rod 17; the limit rod 17 moves and will make the first protrusion 23 that is installed on the limit rod 17 not have an end of the first notch 24 and the second protrusion 25 not have an end of the second notch 26 and be installed on the two first The two first support blocks 19 on the table board 9 correspond to contact and fit, and the two first table boards 9 are supported by the first protrusion 23 and the second protrusion 25; at the same time, the movement of the stop bar 17 will make The limit plate 20 installed on the limit rod 17 is in corresponding contact with the two second support blocks 21 installed on the two second table boards 11. 11 plays a supporting role, so that the coffee table table 1 is locked.

Claims (10)

1. a kind of tea table for preventing article from falling, it is characterised in that: it includes tea table desktop, bracket, table leg, latch mechanism, wherein A cambered surface is had on four medial surfaces of bracket, is fixedly installed with a table respectively on four corners on the downside of bracket Leg, tea table desktop is rack-mount, and limit Q-RING is fixedly mounted on the downside on bracket and being located at four cambered surfaces；Latch mechanism It is rack-mount；Partition is installed, and partition is located at the lower end of four table legs between four table legs；

Supporting shell is fixedly mounted between four above-mentioned table legs by four third fixed links；Left and right is provided on the inside of fixed block to pass through Logical sliding slot, the square groove that front and back penetrates through is provided on the inside of fixed block, and square groove is communicated with sliding slot；The lower end of fixed block passes through cunning It is dynamic to be fitted in supporting shell, and between the downside of fixed block and the interior upper surface of supporting shell symmetrically there are two installations Return spring；

Above-mentioned tea table desktop is made of the intermediate desktop of two the first desktops, two second desk boards and one, on the downside of intermediate desktop Four sides on have a third inclined-plane, the lower end of intermediate desktop is fixedly mounted on the upside of fixed block；Two first Desktop and two second desk boards are trapezoidal shape, and one is provided on the short side and two bevel edges on the downside of two the first desktops Two inclined-planes, are provided with first inclined-plane on the short side and two bevel edges on the downside of two second desk boards, under two the first desktops Side is provided with second escape groove, and the downside of two second desk boards is provided with first escape groove；Two the first desktops Short side is symmetrically mounted at the left and right sides of intermediate desktop by hinge；The short end of two second desk boards is symmetrically pacified by hinge Mounted in the front and rear sides of intermediate desktop；Two the first desktops and two second desk boards are respectively between side corresponding on fixed block There are two symmetrical leaf springs for installation；It is opened on four medial surfaces of two the first desktops and two second desk boards and bracket Cambered surface corresponding matching；Two the first desktops and two second desk boards and limit Q-RING cooperation；

Above-mentioned latch mechanism includes gag lever post, the first supporting block, limit plate, the second supporting block, the first protrusion, the first notch, second Protrusion, the second notch, wherein one end of gag lever post is equipped with the first protrusion, and the upper one end close to gag lever post of the first protrusion is provided with the One notch, the other end of gag lever post are equipped with the second protrusion, and the upper one end far from gag lever post of the second protrusion is provided with the second notch；Limit Position bar is mounted on fixed block by the sliding slot opened on fixed block, and the first protrusion and the second protrusion on gag lever post and two The the second escape groove corresponding matching opened on first desktop；Limit plate is fixedly mounted on gag lever post, and limit plate is passed through and fixed The square groove opened on block；The the first escape groove corresponding matching opened on the both ends of limit plate and two second desk boards；Two One supporting block is symmetrically mounted at the downside of two the first desktops, and one of them in two the first supporting blocks with pacify on gag lever post Dress first protrusion and the second notch cooperation, another and second protrusion and the second notch corresponding matching；Two the second supporting blocks It is symmetrically mounted at the downside of two second desk boards, and two the second supporting blocks are located at corresponding first escape groove side； The both ends corresponding matching of two the second supporting blocks and limit plate；

By the locked state for controlling the mobile control latch mechanism of gag lever post.

2. a kind of tea table for preventing article from falling according to claim 1, it is characterised in that: the inside of above-mentioned supporting shell is right Limit sliding chutes there are two opening with claiming；It symmetrically installs there are two sliding block the two sides of lower end of fixing block；Fixed block passes through two sliding blocks With being fitted in supporting shell for two limit sliding chutes.

3. according to claim 1 or a kind of tea table for preventing article from falling as claimed in claim 2, it is characterised in that: above-mentioned solid Determine respectively symmetrically to install that there are two the first mounting plates in the left and right sides of block；On the front and rear sides face of fixed block respectively symmetrically There are two the second mounting plates for ground installation；It is mounted on one end fixed installation that the leaf spring of the left and right sides on fixed block is connect with fixed block On the first mounting plate, it is mounted on the leaf spring of fixed block front and rear sides and one end that fixed block is connect is fixedly mounted on the second installation On the downside of plate.

4. according to claim 1 or a kind of tea table for preventing article from falling as claimed in claim 2, it is characterised in that: fixed plate It is mounted on above-mentioned fixed block, thread bush has internal screw thread, and thread bush is fixedly mounted on the downside of fixed plate, has on screw rod outer One end of screw thread, screw rod is mounted on gag lever post by being rotatably assorted, and passes through inside and outside spiral shell between screw rod and the internal screw thread of thread bush Line is cooperatively connected, and handle is mounted on the other end of screw rod.

5. a kind of tea table for preventing article from falling according to claim 4, it is characterised in that: above-mentioned fixed plate passes through installation Two the first mounting plates in fixed block side are mounted on fixed block.

6. a kind of tea table for preventing article from falling according to claim 4, it is characterised in that: above-mentioned fixed plate is mounted on It states on fixed block, the side of mounting shell is provided with square orifice, and mounting shell is fixedly mounted on the downside of fixed plate by L shape；Guide sleeve is logical The first fixed link is crossed to be mounted in the fixation of L shape；The lower end of rack gear is equipped with spring retaining plate, and rack gear is mounted on fixation by guide sleeve The downside of plate, and spring retaining plate is slidably matched with mounting shell；It is installed between lower end surface on the inside of spring retaining plate and mounting shell There is reset spring；One end nesting of pedal is mounted on mounting shell, and pedal is fixedly connected with rack gear；Fixed rotating shaft passes through second Fixed link is mounted in the first fixed link, and gear is mounted on fixed rotating shaft by one-way clutch；Wheel and rack engagement；Gu Determine to connect between shaft and gag lever post by slider-crank mechanism.

7. a kind of tea table for preventing article from falling according to claim 6, it is characterised in that: one end of rocking bar is fixedly mounted On above-mentioned fixed rotating shaft, one end of swing rod is mounted on the other end of rocking bar by hinged mode, and one end of link block is fixed It is mounted on gag lever post, the other end of link block and the other end of swing rod are connected by revolute pair.

8. a kind of tea table for preventing article from falling according to claim 6, it is characterised in that: the square orifice of above-mentioned mounting shell Place is mounted on isolation elastic plate.

9. a kind of tea table for preventing article from falling according to claim 6, it is characterised in that: pacify the downside of above-mentioned fixed plate There are two position-limit mechanisms for dress；First spring is installed between gag lever post and fixed plate；Snap-gauge is mounted on gag lever post, and snap-gauge with Two position-limit mechanism cooperations；

Above-mentioned position-limit mechanism includes limited block, limit shell, limit spring, and limit shell is fixedly mounted on the downside of fixed plate, limit One end of block has symmetrical inclined-plane, and the other end of limited block is mounted in limit shell, and limited block is located at one in limit shell Limit spring is installed between end and the inner face of limit shell.

10. a kind of tea table for preventing article from falling according to claim 9, it is characterised in that: above-mentioned first spring is to draw Stretch spring.