CN219229283U - Turnover limiting protection mechanism of learning table and learning table - Google Patents

Abstract

The utility model discloses a turnover limiting protection mechanism of a learning table and the learning table; the desk plate of the learning desk comprises a fixed desk plate and a turnover desk plate; the fixed table plate is fixed on the supporting frame; the overturning table plate can be arranged on the supporting frame in a relatively rotatable manner; the bottom of the turnover table plate is provided with a gas spring for supporting the turnover table plate; the turnover limiting protection mechanism of the learning table comprises a linkage switch and two limiting protection pieces arranged at the bottom of the turnover table plate; the linkage switch is flexibly connected with the gas spring and the two limit protection pieces; the linkage switch acts, so that the gas spring and the two limit protection pieces can be simultaneously unlocked; the limiting protection piece limits the overturning of the overturning table plate. The turnover limiting protection mechanism of the learning table can improve the use safety of the turnover table plate and can effectively avoid clamping injury of a user.

Description

Turnover limiting protection mechanism of learning table and learning table

Technical Field

The utility model relates to the technical field of learning tables, in particular to a turnover limiting protection mechanism of a learning table.

Background

In order to meet various learning requirements of children for reading, writing, drawing and the like, a turnover table plate capable of turning and adjusting the inclination is generally arranged on a learning table. After the turnover table plate is turned over and lifted, the turnover table plate is supported by the turnover supporting structure, so that an inclined table top meeting the requirements can be formed. In the use, when the upset table that is lifted can fall because of the upset bearing structure inefficacy or other unexpected circumstances etc. under the heavy load circumstances, there is the great hidden danger of tong in the clearance between upset table and the fixed table to the shearing that produces between upset table and the fixed table easily causes the user finger to be injured, thereby can't guarantee the security of user in the use.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a turnover limiting protection mechanism of a learning table and the learning table. The turnover limiting protection mechanism of the learning table can improve the use safety of the turnover table plate and can effectively avoid clamping injury of a user.

In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:

a turnover limiting protection mechanism of a learning table comprises a fixed table plate and a turnover table plate; the fixed table plate is fixed on the supporting frame; the overturning table plate can be arranged on the supporting frame in a relatively rotatable manner; the bottom of the turnover table plate is provided with a gas spring for supporting the turnover table plate; the turnover limiting protection mechanism of the learning table comprises a linkage switch and two limiting protection pieces arranged at the bottom of the turnover table plate; the linkage switch is flexibly connected with the gas spring and the two limit protection pieces; the linkage switch acts, so that the gas spring and the two limit protection pieces can be simultaneously unlocked; the limiting protection piece limits the overturning of the overturning table plate.

Further, the limit protection piece is connected with the linkage switch through an adjusting wire; the limiting protection piece can stretch under the action of the spring; the extended limit protection piece can be clamped between the overturning table plate and the fixed table plate or clamped between the overturning table plate and the supporting frame.

Furthermore, a fixed seat is also arranged at the bottom of the turnover table plate; the limiting protection piece is in sliding fit with the fixing seat, and the spring is arranged between the fixing seat and the limiting protection piece.

Further, the front end of the limiting protection piece is provided with a limiting boss; the limiting boss is matched with the front side of the fixing seat so as to limit the sliding of the limiting protection piece.

Further, an opening is formed in the fixing base, and the adjusting wire penetrates through the opening of the fixing base and is connected with the limiting protection piece.

Further, the front end of the adjusting wire is provided with a clamping head, the limiting protection piece is provided with a clamping groove, and the clamping head of the adjusting wire is clamped into the clamping groove of the limiting protection piece.

Further, one end of the gas spring is hinged with the overturning table plate, and the other end of the gas spring is hinged with the supporting frame; the gas spring is also connected with a control switch.

Further, the control switch is connected with a switch pull wire, and the switch pull wire is connected with the linkage switch.

The adjusting wire and the switch pull wire are connected with the linkage switch, so that the action of the gas spring and the limit protection piece can be controlled simultaneously by utilizing the linkage switch.

The utility model further provides a study table which comprises the study table overturning limiting protection mechanism.

The beneficial effects of the utility model are as follows:

the bottom of the turnover table plate is provided with a limit protection piece; after the overturning table plate is lifted, the limiting protection piece stretches out; if the gas spring is in a virtual position or fails or the structure for fixing the gas spring is deformed or fails due to a large external force, so that the turnover table plate accidentally falls down and a clamping gap smaller than 12mm is formed between the turnover table plate and the fixed table plate, the limiting protection piece can form a safety protection, and the safety protection is clamped between the turnover table plate and the fixed table plate or between the turnover table plate and the supporting frame, so that a safety gap exists between the turnover table plate and the fixed table plate, and the hidden danger of clamping hand existing when the turnover table plate falls down can be avoided. After that, the limiting protection piece is controlled to retract through the adjusting wire, and the turnover table plate can be put flat.

The utility model can synchronously control the actions of the gas spring and the limit protection piece by utilizing the linkage switch, thereby improving the convenience of use.

The utility model can improve the safety of the overturning table plate in the overturning use process, avoid the hidden danger of clamping hands in the use process of the learning table, and effectively avoid the clamping injury caused by negligence, failure of the gas spring and the like when a user uses the learning table.

Drawings

Fig. 1 is a schematic structural view of a turnover limiting protection mechanism of a learning table according to an embodiment of the present utility model.

Fig. 2 is an enlarged schematic view of a portion of the structure shown in fig. 1.

Fig. 3 is a schematic diagram of a combined structure of a limit protector and a fixing base in an embodiment of the utility model.

Fig. 4 is a schematic structural view of a limit protector according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a fixing base in an embodiment of the utility model.

In the figure, 1: limit protector, 101: sliding boss, 102: limit boss, 103: a clamping groove; 2: adjustment line, 201: a chuck; 3: a spring; 4: turning over the table plate; 5: fixing the table plate; 6: a support frame; 7: fixing base, 701: a sliding chamber; 702: step, 703: an opening; 8: a gas spring; 9: a hinge base; 10: a control switch; 11: switch pull wire; 12: linkage switch, 1201: switch base, 1202: a handle.

Detailed Description

The following detailed description of the utility model is presented in conjunction with the accompanying drawings to provide those skilled in the art with a better understanding of the advantages and features of the utility model, and to provide a clearer and more definite definition of the scope of the utility model.

A preferred embodiment of a learning table tip limit protection mechanism is shown in fig. 1-5; the desk board of the learning desk comprises a fixed desk board 5 and a turnover desk board 4; the fixed table plate 5 is fixed on the supporting frame 6; the roll-over table 4 is connected to the rear side of the support frame 6 by a hinge structure so that the roll-over table 4 can be turned over relative to the support frame 6. The turnover limiting protection mechanism of the learning table is arranged on the bottom of the turnover table plate 4; the turnover limiting protection mechanism of the learning desk comprises a linkage switch 12 and two limiting protection pieces 1 arranged at the bottom of the turnover desk plate; the linkage switch 12 is flexibly connected with the gas spring 8 and the two limit protection pieces 1; the linkage switch 12 acts to unlock the gas spring 8 and the two limit protectors 1 simultaneously. The limit protection piece 1 is connected with the linkage switch 12 through an adjusting wire 2; the limit protector 1 can elastically stretch and retract under the action of the spring 3; the protruding limit protection piece 1 can be clamped between the turnover table plate 4 and the fixed table plate 5 or clamped between the turnover table plate 4 and the supporting frame 6 so as to limit and protect the turnover of the turnover table plate 4. In this embodiment, the limit protector 1 is disposed on the left side or the right side of the bottom of the turnover table 4, and the extended limit protector 1 can be clamped between the turnover table 4 and the support frame 6.

The turnover limiting protection mechanism of the learning desk further comprises a fixing seat 7, and the fixing seat 7 is fixed on the bottom of the turnover desk plate 4. As shown in fig. 3 to 5, the fixing base 7 has a sliding cavity 701, and the limit protector 1 is slidably matched with the sliding cavity 701 of the fixing base 7. The spring 3 is arranged between the fixed seat 7 and the limit protector 1. The sliding chamber 701 has a step 702 and the limit guard 1 has a sliding boss 101 that mates with the step 702 of the sliding chamber 701. The front end of the limit protector 1 is provided with a limit boss 102; the limiting boss 102 cooperates with the front side of the fixing seat 7 to limit the sliding of the limiting protector 1.

The fixing seat 7 is provided with an opening 703, the front end of the adjusting wire 2 is provided with a clamping head 201, and the limiting protection piece 1 is provided with a clamping groove 103. The adjusting wire 2 passes through the opening 703 of the fixing seat 7, and the clamping head 201 of the adjusting wire 2 is clamped into the clamping groove 103 of the limiting protector 1, so that the connecting between the adjusting wire 2 and the limiting protector 1 is realized.

One end of the air spring 8 is hinged with the overturning table plate 4 through a hinge seat 9, and the other end of the air spring is hinged with the supporting frame 6; the gas spring 8 is also connected to a control switch 10. The control switch 10 is connected with a switch pull 11, and the switch pull 11 is connected with a linkage switch 12. The air spring 8 can adjust the overturning and lifting angle of the overturning table plate 4 through telescopic action.

As shown in fig. 2, the ganged switch 12 includes a switch base 1201 and a handle 1202, the handle 1202 being rotatably connected to the switch base 1201, and the adjustment wire 2 and the switch pull 11 penetrating the switch base 1201 and being connected to the handle 1202. The adjusting wire 2 and the switch pull wire 11 can be simultaneously operated by the linkage switch 12 to simultaneously control the actions of the limit protector 1 and the gas spring 8.

The utility model also provides a study table, which comprises the study table overturning limiting protection mechanism.

When the turnover table board 4 is used, the linkage switch 12 is broken off, the gas spring 8 is unlocked through the switch pull wire 11, and the turnover table board 4 can be turned upwards and lifted; the limit protector 1 can be driven to retract by the adjusting wire 2. After the turnover table plate 4 is turned over and lifted to a certain inclination angle, the linkage switch 12 is loosened, the gas spring 8 is locked, the limit protection piece 1 is reset under the action of the spring 3, and the limit protection piece 1 stretches out; when the turnover table plate 4 falls down, the limit protection piece 1 can be clamped between the turnover table plate 4 and the supporting frame 6, so that the fallen turnover table plate 4 can keep a certain safety gap with the fixed table plate 5, the clamping is prevented, and the safety is improved. After that, the linkage switch 12 can be broken off, the limit protector 1 is pulled by the adjusting wire 2, so that the limit protector 1 is retracted, and the linkage switch 12 can control the control switch 10 to unlock the air spring 8 by the switch pull wire 11, so that the turnover table 4 can be rotated and flattened.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (9)

1. A turnover limiting protection mechanism of a learning table comprises a fixed table plate and a turnover table plate; the fixed table plate is fixed on the supporting frame; the overturning table plate can be arranged on the supporting frame in a relatively rotatable manner; the bottom of the turnover table plate is provided with a gas spring for supporting the turnover table plate; the method is characterized in that: the turnover limiting protection mechanism of the learning table comprises a linkage switch and two limiting protection pieces arranged at the bottom of the turnover table plate; the linkage switch is flexibly connected with the gas spring and the two limit protection pieces; the linkage switch acts, so that the gas spring and the two limit protection pieces can be simultaneously unlocked; the limiting protection piece limits the overturning of the overturning table plate.

2. The turnover limiting protection mechanism of a learning desk according to claim 1, wherein: the limit protection piece is connected with the linkage switch through an adjusting wire; the limiting protection piece can stretch under the action of the spring; the extended limit protection piece can be clamped between the overturning table plate and the fixed table plate or clamped between the overturning table plate and the supporting frame.

3. The turnover limiting protection mechanism of a learning desk according to claim 2, wherein: the bottom of the turnover table plate is also provided with a fixed seat; the limiting protection piece is in sliding fit with the fixing seat, and the spring is arranged between the fixing seat and the limiting protection piece.

4. A learning desk flip limit protection mechanism according to claim 3, wherein: the front end of the limiting protection piece is provided with a limiting boss; the limiting boss is matched with the front side of the fixing seat so as to limit the sliding of the limiting protection piece.

5. A learning desk flip limit protection mechanism according to claim 3, wherein: the fixing seat is provided with an opening, and the adjusting wire penetrates through the opening of the fixing seat and is connected with the limiting protection piece.

6. The turnover limiting protection mechanism of a learning desk according to claim 2, wherein: the front end of the adjusting wire is provided with a clamping head, the limiting protection piece is provided with a clamping groove, and the clamping head of the adjusting wire is clamped into the clamping groove of the limiting protection piece.

7. The turnover limiting protection mechanism of a learning desk according to claim 1, wherein: one end of the air spring is hinged with the overturning table plate, and the other end of the air spring is hinged with the supporting frame; the gas spring is also connected with a control switch.

8. The turnover limiting protection mechanism of a learning desk according to claim 7, wherein: the control switch is connected with a switch pull wire, and the switch pull wire is connected with the linkage switch.

9. A learning desk, characterized by: comprising a learning table rollover limit protection mechanism as defined in any one of claims 1 to 8.

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