CN216328960U

CN216328960U - Mortise and tenon structure pressing device of chair

Info

Publication number: CN216328960U
Application number: CN202122461741.8U
Authority: CN
Inventors: 张姗
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-19
Anticipated expiration: 2031-10-13

Abstract

The utility model belongs to the technical field of chair processing, and particularly relates to a compressing device for a mortise and tenon structure of a chair, aiming at the problems that the mortise and tenon structure is combined by manual hammering in the traditional method, the labor intensity of manual hammering is high, time and labor are wasted, and the compressing effect is poor, the compressing device comprises a shell, the bottom ends of two threaded rods are rotatably mounted on the inner wall of the bottom of the shell, the top ends of the two threaded rods extend to the upper part of the shell, a motor is fixedly mounted at the top of the shell, the output shaft of the motor is fixedly connected with the top end of the threaded rod on the right side of the two threaded rods, chain wheels are fixedly mounted on the outer sides of the two threaded rods, and the two chain wheels are in transmission connection with the same chain. The utility model has reasonable structural design and simple operation, can be suitable for compressing mortise and tenon structures of chairs of different models by adjusting the position of the pressing block, has time-saving and labor-saving operation and convenient use, and is convenient for compressing the mortise and tenon structures.

Description

Mortise and tenon structure pressing device of chair

Technical Field

The utility model relates to the technical field of chair processing, in particular to a mortise and tenon structure pressing device of a chair.

Background

The chair is a daily life furniture, a seat with a backrest and armrests, the chair is used for sitting on the ground in ancient times, the chair does not exist in the past, according to the record of the literature, the name of the chair is originally seen in the Tang dynasty, the image of the chair is transferred into a Hu bed in the North when Shangwei is traced, the chair is usually fixed by a mortise and tenon structure, the tenon joint is a common skill of the traditional buildings in China, and the tenon joint is a crystal of the precedent wisdom. Commonly found in ancient buildings or temples. When the structure is used, the whole structure can be combined firmly without a pin and a nail. This skill is also found in wooden stools. Perfect combination of mortise and tenon is required in the mortise and tenon joint.

However, in the conventional method, the mortise and tenon is usually combined by manually hammering, the labor intensity of the manual hammering is high, time and labor are wasted, and the compressing effect is poor, so that a mortise and tenon structure compressing device of a chair is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the labor intensity of manual hammering is high, time and labor are wasted, and the compressing effect is poor in the conventional method that mortise and tenon are combined through manual hammering, and provides a mortise and tenon structure compressing device for a chair.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a mortise and tenon structure pressing device of a chair comprises a shell, wherein the bottom inner wall of the bottom of the shell is rotatably provided with the bottom ends of two threaded rods, the top ends of the two threaded rods extend to the upper part of the shell, the top of the shell is fixedly provided with a motor, the output shaft of the motor is fixedly connected with the top ends of the threaded rods positioned on the right side in the two threaded rods, the outer sides of the two threaded rods are respectively fixedly provided with a chain wheel, the two chain wheels are respectively and fixedly connected with the same chain, the outer side threads of the two threaded rods are provided with the same supporting plate, the bottom of the supporting plate is provided with a chute, a pressing block is slidably arranged in the chute, the outer side of the pressing block is fixedly provided with a bracket, the top ends of a plurality of springs are fixedly arranged on the inner wall of the top of the bracket, the bottom ends of the plurality of springs are fixedly provided with the same pulling plate which is slidably connected in the bracket, the bottom of the pulling plate is fixedly provided with a positioning rod, and the top of the supporting plate is provided with a plurality of positioning grooves, the positioning rod is matched with the positioning groove.

Preferably, the inner wall of the top of the shell is fixedly provided with an outer ring of the bearing, and the threaded rod is fixedly sleeved with an inner ring of the bearing and convenient to rotate and install.

Preferably, the top of the shell is fixedly provided with a fixing plate, and the motor is fixedly arranged on the fixing plate through bolts, so that the motor is conveniently and fixedly arranged.

Preferably, two threaded holes are formed in the top of the supporting plate, the supporting plate is installed on the outer sides of the two threaded rods through the two threaded holes in a threaded mode, and the supporting plate is conveniently in threaded connection with the two threaded rods.

Preferably, the same limiting rod is fixedly mounted on the inner walls of the two sides of the sliding groove, and the pressing block is connected to the outer side of the limiting rod in a sliding mode and plays a certain limiting role in the pressing block.

Preferably, the inner walls of the two sides of the support are provided with limiting grooves, and the pull plate is connected in the two limiting grooves in a sliding mode and plays a certain limiting role in the pull plate.

According to the mortise and tenon structure pressing device for the chair, the pull plate is pulled to move upwards, the springs are stressed and compressed through elastic deformation of the springs, so that the positioning rod can be driven to move upwards and slide out of the positioning groove, fixing of the positioning rod and the supporting plate is relieved, the support can drive the pressing block to move left and right to adjust the position through pulling the support to move left and right, the pull plate can be released after the pressing block is adjusted to a proper position, the pull plate is driven to move downwards to reset through elastic deformation of the springs and is clamped into the corresponding positioning groove, and the pressing block is fixed;

according to the compressing device for the mortise and tenon structure of the chair, the two threaded rods can be driven to synchronously rotate by starting the motor and through the transmission connection of the two chain wheels and the chain, so that the supporting plate can be driven to move downwards through the threaded connection of the supporting plate and the two threaded rods, the supporting plate can drive the pressing block to move downwards to compress the mortise and tenon structure, the operation is time-saving and labor-saving, and the compressing of the mortise and tenon structure is facilitated;

the utility model has reasonable structural design and simple operation, can be suitable for compressing mortise and tenon structures of chairs of different models by adjusting the position of the pressing block, has time-saving and labor-saving operation and convenient use, and is convenient for compressing the mortise and tenon structures.

Drawings

Fig. 1 is a schematic structural view of a mortise and tenon structure pressing device of a chair provided by the utility model;

fig. 2 is a structural schematic diagram of a section a-a of a partial structure of a mortise and tenon structure pressing device of a chair provided by the utility model;

fig. 3 is a schematic structural view of a part B of the mortise and tenon structure pressing device for a chair according to the present invention.

In the figure: 1. a housing; 2. a threaded rod; 3. a motor; 4. a sprocket; 5. a chain; 6. a support plate; 7. a chute; 8. briquetting; 9. a limiting rod; 10. a support; 11. a spring; 12. pulling a plate; 13. a limiting groove; 14. positioning a rod; 15. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a mortise and tenon structure pressing device for a chair comprises a shell 1, wherein the bottom end of two threaded rods 2 is rotatably mounted on the inner wall of the bottom of the shell 1, the top ends of the two threaded rods 2 extend to the upper side of the shell 1, a motor 3 is fixedly mounted at the top of the shell 1, an output shaft of the motor 3 is fixedly connected with the top ends of the threaded rods 2 positioned on the right side in the two threaded rods 2, chain wheels 4 are fixedly mounted on the outer sides of the two threaded rods 2, the same chain 5 is in transmission connection with the two chain wheels 4, the same supporting plate 6 is in threaded mounting on the outer sides of the two threaded rods 2, a sliding groove 7 is formed in the bottom of the supporting plate 6, a pressing block 8 is slidably mounted in the sliding groove 7, a support 10 is fixedly mounted on the outer side of the pressing block 8, the top ends of a plurality of springs 11 are fixedly mounted on the inner wall of the top of the support 10, and the same pulling plate 12 is fixedly mounted at the bottom ends of the plurality of the springs 11, pulling plate 12 sliding connection has locating lever 14 in support 10, and the bottom fixed mounting of pulling plate 12 has a plurality of constant head tanks 15, locating lever 14 and constant head tank 15 looks adaptation seted up at the top of backup pad 6.

Fixed mounting has the outer lane of bearing on casing 1's the top inner wall, threaded rod 2 cup joints with the inner circle of bearing is fixed, be convenient for rotate installation threaded rod 2, casing 1's top fixed mounting has the fixed plate, motor 3 passes through bolt fixed mounting on the fixed plate, be convenient for fixed mounting motor 3, two screw holes have been seted up at the top of backup pad 6, backup pad 6 installs the outside at two threaded rod 2 through two screw hole screw threads, be convenient for with backup pad 6 and two threaded rod 2 threaded connection, fixed mounting has same gag lever post 9 on spout 7's the both sides inner wall, 8 sliding connection of briquetting are in the outside of gag lever post 9, play certain limiting displacement to briquetting 8, spacing groove 13 has all been seted up on the both sides inner wall of support 10, arm-tie 12 sliding connection is in two spacing grooves 13, play certain limiting displacement to arm-tie 12.

In the utility model, when the device is used, the pull plate 12 can be pulled to move upwards, the springs 11 are compressed under stress through the elastic deformation of the springs 11, so that the positioning rod 14 can be driven to move upwards, the positioning rod 14 can slide out of the positioning groove 15, the fixation with the supporting plate 6 is released, then the support 10 can be pulled to move left and right, the support 10 drives the pressing block 8 to move left and right to adjust the position, after the pressing block 8 is adjusted to a proper position, the pull plate 12 can be released, the pull plate 12 is driven to move downwards to reset through the elastic deformation of the springs 11 and is clamped into the corresponding positioning groove 15, the fixing of the pressing block 8 is completed, the operation is simple, the position of the pressing block 8 can be adjusted conveniently, then the motor 3 can be started, and the two threaded rods 2 can be driven to rotate synchronously through the transmission connection of the two chain wheels 4 and the chain 5, thereby can drive backup pad 6 downstream through backup pad 6 and two threaded rod 2's threaded connection to can make backup pad 6 drive briquetting 8 downstream compress tightly simple operation, labour saving and time saving is convenient for operate and use mortise and tenon structure.

Claims

1. The utility model provides a mortise and tenon structure closing device of chair, which comprises a shell (1), a serial communication port, rotate the bottom of installing two threaded rods (2) on the bottom inner wall of casing (1), the top of two threaded rods (2) all extends to the top of casing (1), the top fixed mounting of casing (1) has motor (3), the output shaft of motor (3) and the top fixed connection of the threaded rod (2) that lie in the right side in two threaded rods (2), equal fixed mounting has sprocket (4) in the outside of two threaded rods (2), the transmission is connected with same chain (5) on two sprocket (4), same backup pad (6) is installed to the outside screw thread of two threaded rods (2), spout (7) has been seted up to the bottom of backup pad (6), slidable mounting has briquetting (8) in spout (7), the outside fixed mounting of briquetting (8) has support (10), the top of a plurality of springs (11) is fixedly mounted on the inner wall of the top of the support (10), the bottom of the springs (11) is fixedly mounted with a same pulling plate (12), the pulling plate (12) is slidably connected in the support (10), the bottom of the pulling plate (12) is fixedly mounted with a positioning rod (14), a plurality of positioning grooves (15) are formed in the top of the support plate (6), and the positioning rod (14) is matched with the positioning grooves (15).

2. The mortise and tenon structure pressing device for the chair according to claim 1, wherein an outer ring of a bearing is fixedly arranged on the inner wall of the top of the shell (1), and the threaded rod (2) is fixedly sleeved with an inner ring of the bearing.

3. The mortise and tenon structure pressing device for the chair according to claim 1, wherein a fixing plate is fixedly installed at the top of the shell (1), and the motor (3) is fixedly installed on the fixing plate through bolts.

4. The mortise and tenon structure pressing device for the chair according to claim 1, wherein the top of the supporting plate (6) is provided with two threaded holes, and the supporting plate (6) is installed on the outer sides of the two threaded rods (2) through the two threaded holes in a threaded manner.

5. The mortise and tenon structure pressing device for the chair according to claim 1, wherein the same limiting rod (9) is fixedly installed on the inner walls of the two sides of the sliding groove (7), and the pressing block (8) is slidably connected to the outer side of the limiting rod (9).

6. The mortise and tenon structure pressing device for the chair according to claim 1, wherein limiting grooves (13) are formed in the inner walls of the two sides of the support (10), and the pulling plate (12) is slidably connected into the two limiting grooves (13).