CN112971341A - Angle adjusting and locking device for turnover plate - Google Patents

Abstract

The invention discloses a turnover plate angle adjusting and locking device which comprises a lockable gas spring and a release handle, wherein one end of the lockable gas spring is connected with a fixed supporting point, the other end of the lockable gas spring is connected with the release handle, the release handle is connected with one side surface of a turnover plate through a support, one side edge of the turnover plate is hinged with a fixed plate, the release handle can lock and unlock the lockable gas spring, the turnover plate can be adjusted at any angle when the release handle is in an unlocking state, and the lockable gas spring is locked and cannot be adjusted when the release handle is in a locking state. The invention not only has the function of locking and fixing the turnover plate at any angle in a turnover state, but also has the locking function when the turnover plate is in a clamping state, so that the turnover plate cannot be loosened randomly when being clamped, and the safety coefficient of use is improved.

Description

Angle adjusting and locking device for turnover plate

Technical Field

The invention relates to an angle adjusting and locking device for a turnover plate, and belongs to the technical field of locking and unlocking of turnover mechanisms.

Background

The turnover mechanism can be applied to turnover of a board surface and locking, unlocking and angle adjustment after the board surface is turned to a preset angle in many fields and industries. The angle locking structure that uses at present adopts lockable gas spring more, and lockable gas spring adopts the release and the locking that the lockable gas spring carried out lockable gas spring to add handle and release head composite set. The mechanism is complicated, the installation difficulty is high, the plate is prone to false operation, the plate falls down suddenly, and the Bowden wire is wound under the plate, so that the winding phenomenon is prone to occurring. And current returning face plate can't the rigid locking when closing completely, though lockable gas spring has locked, but the clearance of the whole mounting system of lockable gas spring is great, and the board still can be lifted up certain angle, and the board has the possibility of floating and perk at will, has the potential safety hazard.

Disclosure of Invention

In order to solve the technical problem, the invention discloses an angle adjusting and locking device for a turnover plate, which has the following specific technical scheme:

the utility model provides a returning face plate angle modulation and locking device, includes the lockable air spring, the one end and a fixed strong point of lockable air spring are connected, and the other end is provided with the release handle, the release handle passes through the leg joint with a side surface of returning face plate, and a side reason of returning face plate is articulated with a fixed plate, the release handle can lock and unlock lockable air spring, when the release handle is in the state of unlocking, but arbitrary angle modulation returning face plate, when the release handle is in the lock-out state, the lock of lockable air spring is dead, and the returning face plate is not adjustable.

Furthermore, the release handle is provided with a clamping locking mechanism, the invention is also provided with a limiting mechanism matched with the clamping locking mechanism, and when the turnover plate is in a locking or clamping state, the clamping locking mechanism of the release handle is locked with the limiting mechanism in a clamping mode.

Furthermore, the lockable gas spring is provided with a lifting lug joint at one end connected with the fixed supporting point, the lifting lug joint penetrates through a mounting hole, a group of opposite sides of the fixed supporting point are provided with mounting holes, the mounting holes passing through the lifting lug joint are aligned with the mounting holes of the fixed supporting point and penetrate through the connecting rod, the mounting of the lifting lug joint and the fixed supporting point is realized, and the lifting lug joint can rotate around the connecting rod.

Furthermore, the piston rod of the lockable gas spring faces the release handle and is fixedly connected with the release handle, a push rod is arranged at the center of the piston rod, and the push rod is located in the release handle.

Further, the release handle comprises a mounting frame and a wrench, the mounting frame comprises a bottom plate surface facing the turnover plate, a connecting plate surface connected with the piston rod, and a group of opposite side plate surfaces for mounting the wrench;

one end of the wrench is suspended above the installation frame and is called a manual control end, the other end of the wrench is connected with the installation frame and is called a connecting end, the installation end of the wrench is bent, transition plates extending towards the inside of the bend are arranged on the edges of the two sides of the installation end of the wrench, the transition plates are close to the side plate surfaces, and the wrench is installed by vertically penetrating through the side plate surfaces and the transition plates through a rotating rod;

at least one is crossed and is provided with crank mechanism between cab apron and the curb plate face that corresponds, and crank mechanism provides the travel range that removes for the spanner, and can be under the effect of push rod, spanner self return.

Further, the support is fixed with the returning face plate, the support is rectangular platelike of "concave" word form, and is fixed with the returning face plate including the bottom surface to and be located the mounting panel of bottom surface both sides, two of mounting panel and installation frame the mounting hole has all been seted up to the curb plate face, passes the mounting hole of mounting panel and curb plate through the pin rod and connects it, and the installation frame can be rotatory around the pin rod.

Furthermore, crank mechanism includes the crank connecting rod, rectangular hole has been seted up to the side board face, the one end of crank connecting rod is provided with the slip knot, the slip knot slides and is located rectangular hole, and the other end and transition board rotatable coupling drive the crank connecting rod through rotatory spanner and remove in rectangular hole.

Furthermore, the clamping locking mechanism comprises a lock tongue, the lock tongue is positioned outside the side plate surface and fixedly connected with the sliding buckle, and the lock tongue is parallel to the strip hole;

the limiting mechanism is a limiting plate, when the turnover plate is clamped, the push rod which can be locked by the gas spring to be locked stretches out, and the lock tongue is ejected out by the crank mechanism and is pressed by the limiting plate.

Furthermore, the limiting mechanism is a bottom plate provided with a clamping hole;

the dead mechanism of block lock includes the spring bolt, the spring bolt is detained fixed connection with the slip, and the spring bolt includes the linkage segment parallel with rectangular hole and locates the terminal hook section of linkage segment, and when the upset integrated circuit board was fashionable, the hook section extends towards the bottom plate, and passes from the card hole, and the one end that passes the card hole is provided with triangular hook, and the hook is the platform face with the outer wall contact one side of bottom plate.

The working principle of the invention is as follows:

when the angle of the turnover plate needs to be changed, the handle is held by hand and rotates towards the turnover plate, the fixed end of the handle extrudes the push rod, the locking function of the lockable gas spring is released, at the moment, the turnover plate can be changed at any angle, after the turnover plate rotates to a specific angle, the handle is released, the push rod automatically extends out, the gas spring can be locked, and the turnover plate is locked at the angle position.

This invention is during the block, at first handheld handle, let the installation end of handle press down the push rod, lockable air spring is in the unblock state, until the returning face plate block, loosen the handle this moment, under push rod power, crank mechanism is followed to the handle and is removed, crank mechanism drives the spring bolt and dies with the stop gear lock that corresponds, finally, under the effect of lockable air spring, the dead relation of lock bolt and stop gear lock keeps unchangeable, until needing to contact the lock and die, when the returning face plate overturns once more, the handle is pressed to manual, the dead state of lock of spring bolt is relieved.

The invention has the beneficial effects that:

the invention not only has the function of locking and fixing the turnover plate at any angle in a turnover state, but also has the locking function when the turnover plate is in a clamping state, so that the turnover plate cannot be loosened randomly when being clamped, and the safety coefficient of use is improved.

Drawings

Figure 1 illustrates an embodiment of the present invention applied to a table top,

figure 2 is a view of the invention in the engaged state,

figure 3 is a perspective view of the present invention,

figure 4 is an enlarged view of a portion of figure 3 at a,

figure 5 is an enlarged view of a portion of figure 3 at B,

figure 6 is a schematic view of embodiment 1 of the present invention in a locked state,

figure 7 is a top view of figure 6,

figure 8 is a schematic view of embodiment 1 of the present invention in an unlocked state,

figure 9 is a schematic view of the bolt structure in embodiment 1 of the invention,

figure 10 is a schematic view showing the structure of a fixed beam in embodiment 1 of the present invention,

figure 11 is a schematic view of the bolt structure in embodiment 2 of the invention,

figure 12 is a schematic view showing the structure of a fixed beam in embodiment 2 of the present invention,

FIG. 13 is a schematic view showing the engaging state of the flipping panel according to embodiment 2 of the present invention,

reference numerals: 1-table, 2-roll-over plate, 3-fixed beam, 4-lockable gas spring, 4-1-lifting lug joint, 4-2-barrel rod, 4-3-piston rod, 4-push rod, 5-release handle, 5-1-wrench, 5-2-transition plate, 5-3-crank mechanism, 5-301-strip hole, 5-302-slide fastener, 5-303-crank connecting rod, 5-4-mounting frame, 5-401-bottom plate surface, 5-402-side plate surface, 5-403-connecting plate surface, 5-rotating rod, 6-connecting rod, 7-lock tongue, 7-1-connecting section, 7-2-hook section, 7-3-hook, 8-clamping hole, 9-limiting plate, 10-support.

Detailed Description

The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.

The designed product of the invention is shown in figure 3, wherein the end A is a lifting lug joint 4-1 arranged at one end of a cylinder rod 4-2 of a lockable gas spring 4 and used for being connected with a fixed supporting point, referring to figure 4, the lifting lug joint 4-1 is provided with a mounting hole, the lifting lug joint 4-1 is inserted between a group of opposite sides of the fixed supporting point, the group of opposite sides of the fixed supporting point are provided with mounting holes, the mounting holes of the lifting lug joint 4-1 are aligned with the mounting holes of the fixed supporting point and penetrate through a connecting rod 6 to realize the mounting of the lifting lug joint 4-1 and the fixed supporting point, and the lifting lug joint 4-1 can rotate around the connecting rod 6 in the processes of the extension and retraction of the lockable gas spring 4 and the overturning of an overturning rotating plate to automatically adjust the self-adaptive position.

The designed product of the invention is shown in figure 3, wherein the end B is provided with a piston rod 4-3 and a push rod 4-4, the end is arranged on a release handle 5 at the other end of a lockable gas spring 4, the end B of the lockable gas spring 4 is provided with the piston rod 4-3, the center of the piston rod 4-3 is provided with the push rod 4-4, the push rod 4-4 pushes the release handle 5, the release handle 5 is connected with one side surface of a turnover plate 2 through a support 10, one side edge of the turnover plate 2 is hinged with a fixed plate, the release handle 5 can lock and unlock the lockable gas spring 4, when the release handle 5 is in an unlocked state, the turnover plate 2 can be adjusted at any angle, when the release handle 5 is in a locked state, the lockable gas spring 4 is locked, and the turnover plate 2 cannot be adjusted.

Referring to fig. 5, the release handle 5 of the present invention has the following specific structure: the release handle 5 comprises a mounting frame 5-4 and a wrench 5-1, the mounting frame 5-4 comprises a bottom plate surface 5-401 facing the turnover plate 2, a connecting plate surface 5-403 connected with the piston rod 4-3, and a set of opposite side plate surfaces 5-402 for mounting the wrench 5-1;

one end of the wrench 5-1 is suspended above the mounting frame 5-4 and is called a manual end, the other end is connected with the mounting frame 5-4 and is called a connection end, the mounting end of the wrench 5-1 is bent, two side edges of the mounting end of the wrench 5-1 are provided with transition plates 5-2 extending towards the inside of the bend, the transition plates 5-2 are close to the side plate surfaces 5-402, and the wrench 5-1 is mounted by vertically penetrating through the side plate surfaces 5-402 and the transition plates 5-2 through a rotating rod 5-5. When the manual end is pressed, the wrench 5-1 rotates around the rotating rod 5-5.

A crank mechanism 5-3 is arranged between the at least one transition plate 5-2 and the corresponding side plate surface 5-402, the crank mechanism 5-3 provides a moving stroke range for the wrench 5-1, and the wrench 5-1 can automatically return under the action of the push rod 4-4. The push rod 4-4 is pressed against the bending section of the wrench 5-1 in the mounting frame 5-4, so that the hand control end of the wrench 5-1 is tilted without external force.

The specific structure of the crank mechanism 5-3 is as follows: the crank mechanism 5-3 comprises a crank connecting rod 5-303, a long strip hole 5-301 is formed in a side plate surface 5-402, a sliding buckle 5-302 is arranged at one end of the crank connecting rod 5-303, the sliding buckle 5-302 is located in the long strip hole 5-301 in a sliding mode, the other end of the sliding buckle is rotatably connected with the transition plate 5-2, and the crank connecting rod 5-303 is driven to move in the long strip hole 5-301 through a rotary wrench 5-1.

The mounting structure of the release handle 5 and the turnover plate 2 is specifically as follows: the support 10 is fixed with the turnover plate 2, the support 10 is in a concave-shaped strip plate shape and comprises a bottom surface, the bottom surface is fixed with the turnover plate 2, mounting plates are arranged on two sides of the bottom surface, mounting holes are formed in two side plate surfaces 5-402 of the mounting plates and the mounting frames 5-4, the mounting plates and the side plates are connected through the mounting holes through pin rods, and the mounting frames 5-4 can rotate around the pin rods. When the lockable gas spring 4 changes position, the mounting frame 5-4 rotates around the pin and automatically adjusts to its adaptive position.

Meanwhile, the release handle 5 is also provided with a clamping locking mechanism, the invention is also provided with a limiting mechanism matched with the clamping locking mechanism, and when the turnover plate 2 is in a locking or clamping state, the clamping locking mechanism of the release handle 5 is locked with the limiting mechanism. The clamping locking mechanism can be arranged on the turnover plate 2 or on other auxiliary beams.

Two implementation modes for realizing the dead locking of the clamping locking mechanism and the limiting mechanism are given below, the two modes are introduced into the fixed beam 3, the clamping locking mechanism is arranged on the fixed beam 3, when the turnover plate 2 is in a clamping state, the clamping locking mechanism and the limiting mechanism are locked, and the turnover plate 2 is locked.

The implementation mode is as follows: see fig. 1-3, 5-10.

The clamping locking mechanism comprises a bolt 7, the structure of the bolt 7 is shown in figure 9, the bolt 7 is positioned outside the side plate surfaces 5-402 and fixedly connected with the sliding buckles 5-302, and the bolt 7 is parallel to the elongated hole 5-301.

The limiting mechanism is a limiting plate 9, when the turnover plate 2 is clamped, the push rod 4-4 locked by the lockable gas spring 4 extends out, and the lock tongue 7 is ejected out by the crank mechanism 5-3 and is pressed by the limiting plate 9. The accompanying drawings of the invention show an embodiment of fixing a limiting plate 9 on a fixed beam 3, and referring to fig. 1, taking a table 1 of a turnover table top board as an example, the fixed beam 3 is fixed below a turnover plate 2, the fixed end of a lockable gas spring 4 is fixed with the fixed beam 3, the end of a release handle 5 is fixed with the turnover plate 2, the fixed beam 3 is provided with the limiting plate 9, an installation frame 5-4 and a lock tongue 7 are both positioned inside the fixed beam 3, when the turnover plate 2 is closed, the lock tongue 7 is blocked by the limiting plate 9, and the turnover plate 2 is locked.

The implementation mode two is as follows: see FIGS. 11-13 for a schematic representation of the drawings

The limiting mechanism is a bottom plate provided with a clamping hole 8, and the structure of the clamping hole 8 is shown in figure 12. The figures show an embodiment in which the bottom plate is an optional fixed beam 3, wherein the snap hole 8 is located near one side of the bottom plate.

The clamping locking mechanism comprises a lock tongue 7, the lock tongue 7 is fixedly connected with a sliding buckle 5-302, the lock tongue 7 is positioned on the outer side of the installation frame 5-4, the installation frame 5-4 and the lock tongue 7 are positioned inside the fixed beam 3, the lock tongue 7 comprises a connecting section 7-1 parallel to the strip hole 5-301 and a hooking section 7-2 arranged at the tail end of the connecting section 7-1, the structure of the lock tongue 7 is shown in figure 13, when the turnover plate 2 is clamped, the hooking section 7-2 extends towards the bottom plate and penetrates through the clamping hole 8, a triangular hook 7-3 is arranged at one end penetrating through the clamping hole 8, and the contact surface of the hook 7-3 and the outer wall of the bottom plate is a platform surface.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only one independent technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a returning face plate angle modulation and locking device, includes lockable gas spring, its characterized in that: the one end and a fixed support point of lockable air spring are connected, and the other end is provided with the release handle, the release handle passes through the leg joint with a side surface of returning face plate, and a lateral margin and a fixed plate of returning face plate are articulated, the release handle can lock and unlock lockable air spring, and when the release handle was in the unblock state, the returning face plate can be adjusted to arbitrary angle, and when the release handle was in the lock state, the lockable air spring lock was died, and the returning face plate can not be adjusted.

2. The roll-over plate angle adjustment and locking device of claim 1, characterized in that: the release handle is provided with a clamping locking mechanism, the angle adjusting and locking device further comprises a limiting mechanism matched with the clamping locking mechanism, and when the turnover plate is in a locking or clamping state, the clamping locking mechanism of the release handle is locked with the limiting mechanism in a clamping mode.

3. The roll-over plate angle adjustment and locking device of claim 2, characterized in that: the lockable gas spring is provided with the lug joint with the one end that fixed support point is connected, and the lug joint runs through there is the mounting hole, a set of relative limit of fixed support point is provided with the mounting hole, and the mounting hole that passes through the lug joint aligns with the mounting hole of fixed support point to wherein pass the connecting rod, realize the installation of lug joint and fixed support point, and the lug joint can be rotatory around the connecting rod.

4. The roll-over plate angle adjustment and locking device of claim 3, characterized in that: the piston rod of lockable gas spring is towards release handle to with release handle fixed connection, the center of piston rod is provided with the push rod, the push rod is located release handle.

5. The roll-over plate angle adjustment and locking device of claim 3, characterized in that: the release handle comprises a mounting frame and a wrench, wherein the mounting frame comprises a bottom plate surface of the turning plate facing the mounting frame, a connecting plate surface connected with the piston rod, and a group of opposite side plate surfaces for mounting the wrench;

one end of the wrench is suspended above the installation frame and is called a manual control end, the other end of the wrench is connected with the installation frame and is called a connecting end, the installation end of the wrench is bent, transition plates extending towards the inside of the bend are arranged on the edges of the two sides of the installation end of the wrench, the transition plates are close to the side plate surfaces, and the wrench is installed by vertically penetrating through the side plate surfaces and the transition plates through a rotating rod;

at least one is crossed and is provided with crank mechanism between cab apron and the curb plate face that corresponds, and crank mechanism provides the travel range that removes for the spanner, and can be under the effect of push rod, spanner self return.

6. The roll-over plate angle adjustment and locking device of claim 5, characterized in that: the support is fixed with the returning face plate, the support is the rectangular platelike of "concave" word form, and is fixed with the returning face plate including the bottom surface to and be located the mounting panel of bottom surface both sides, mounting panel and mounting frame two the mounting hole has all been seted up to the curb plate face, passes the mounting hole of mounting panel and curb plate through the pin rod and connects it, and the mounting frame can be rotatory around the pin rod.

7. The roll-over plate angle adjustment and locking device of claim 5, characterized in that: the crank mechanism comprises a crank connecting rod, the side plate surface is provided with a strip hole, one end of the crank connecting rod is provided with a sliding buckle, the sliding buckle slides to be located in the strip hole, the other end of the crank connecting rod is rotatably connected with the transition plate, and the crank connecting rod is driven to move in the strip hole through a rotary wrench.

8. The roll-over plate angle adjustment and locking device of claim 7, characterized in that: the clamping locking mechanism comprises a lock tongue, the lock tongue is positioned outside the side plate surface and fixedly connected with the sliding buckle, and the lock tongue is parallel to the strip hole;

the limiting mechanism is a limiting plate, when the turnover plate is clamped, the push rod which can be locked by the gas spring to be locked stretches out, and the lock tongue is ejected out by the crank mechanism and is pressed by the limiting plate.

9. The roll-over plate angle adjustment and locking device of claim 7, characterized in that: the limiting mechanism is a bottom plate provided with a clamping hole;

the dead mechanism of block lock includes the spring bolt, the spring bolt is detained fixed connection with the slip, and the spring bolt includes the linkage segment parallel with rectangular hole and locates the terminal hook section of linkage segment, and when the upset integrated circuit board was fashionable, the hook section extends towards the bottom plate, and passes from the card hole, and the one end that passes the card hole is provided with triangular hook, and the hook is the platform face with the outer wall contact one side of bottom plate.

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