CN216199612U - Chair of tenon fourth of twelve earthly branches numerical control processing - Google Patents

Abstract

The utility model discloses a chair for tenon-and-mortise numerical control machining, which comprises a front plate and a back plate which are arranged in front and back; the two groups of upper cross arms are clamped between the front plate and the back plate through a first mortise and tenon structure; and the two groups of lower cross arms are clamped between the front plate and the back plate and positioned below the two groups of upper cross arms through second tenon-and-mortise structures. According to the utility model, the back plate, the front plate, the panel, the upper cross arm and the lower cross arm are clamped together through the first tenon-and-mortise structure, the second tenon-and-mortise structure and the second limiting structure, the connecting parts are positioned inside, and the covering is carried out without painting, so that the aesthetic degree is greatly improved, the first tenon-and-mortise structure is limited through the panel, the second tenon-and-mortise structure is limited through the second limiting structure, all parts are tightly connected after being assembled, the failure problem of glue and the loosening problem of screws can be avoided compared with a hardware connection mode, and the firmness degree is improved.

Description

Chair of tenon fourth of twelve earthly branches numerical control processing

Technical Field

The utility model relates to the technical field of furniture, in particular to a mortise and tenon numerical control machining chair.

Background

The chair is the essential furniture among people's daily life, generally adopt mortise and tenon joint structure cooperation wedge to fix the chair when ancient carpenter made the chair, but along with the transition of times and the loss of technique, among the present chair processing technology, often carry out rigid connection with the hardware, for example screw, air nailer or use glue bonding directly a bit, in-service use can know, the fastness all remains to be improved, and the chair that this kind of mode was processed generally can only be as ordinary furniture articles for use, be the furniture that is too unwilling to accept to use hardware equipment to some families pursuing antique art, along with the development of numerical control technology, the technical staff proposes to use digit control machine tool to process mortise and tenon joint structure and then assemble, the problem that personnel did not possess the mortise and tenon joint structure before having solved, mass production has been realized.

However, in the existing chairs assembled through the mortise and tenon structures on the market, the connecting parts such as tenons, mortise slots, wedges and the like can be seen in appearance, and the chairs are generally covered by colored paint, but are not suitable for occasions requiring the appearance of log grains.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a mortise and tenon numerical control processing chair.

In order to achieve the purpose, the utility model adopts the following technical scheme: a chair for tenon-and-mortise numerical control processing comprises a front plate and a back plate which are arranged in front and back; the two groups of upper cross arms are clamped between the front plate and the back plate through a first mortise and tenon structure; two groups of lower cross arms which are clamped between the front plate and the back plate and are positioned below the two groups of upper cross arms through second tenon-and-mortise structures, wherein first limiting structures are arranged between the two groups of lower cross arms and the front plate and the back plate; the panel is clamped between the two groups of upper cross arms through a second limiting structure; the front plate, the back plate and the panel are all formed by processing the whole plate, and hollow-out decorations are arranged on the inner walls of the front plate and the back plate.

As a further description of the above technical solution:

the first mortise and tenon mechanism comprises four groups of first tenons, first square grooves and first mortise grooves, wherein the first tenons are fixedly connected to two groups of upper cross arms at two ends of the back plate and the front plate respectively, the first square grooves are oppositely arranged on two opposite side walls of the back plate and the front plate respectively, the first mortise grooves are arranged on one opposite side inner walls of the back plate and the front plate respectively and are communicated with the four groups of first square grooves in a left-right mode respectively, the first mortise grooves are arranged between the four groups of first square grooves, the upper cross arms are connected with the front plate and the back plate in a clamping mode through the first tenons, the first mortise grooves and the first square grooves in a overlooking mode, and the overlooking directions and the widths of the first tenons, the first mortise grooves and the first square grooves are consistent.

As a further description of the above technical solution:

second tenon fourth of twelve earthly branches mechanism is including setting up second tenon, second square groove and second fourth of twelve earthly branches groove, four groups second tenon difference fixed connection is at the both ends of two sets of lower cross arms towards backplate, front bezel, four groups the second square groove is two liang of relative setting respectively at backplate, the relative lateral wall of front bezel and all is located first tenon fourth of twelve earthly branches structure below, four groups the second fourth of twelve earthy branches groove sets up respectively at backplate, the relative one side inner wall of front bezel and is located four groups second square groove downside respectively, four groups the second fourth of twelve earthy branches groove respectively with four groups the second square groove is link up from top to bottom, and is two sets of the cross arm passes through second tenon, second fourth of twelve earthy branches groove and front bezel, backplate joint down.

As a further description of the above technical solution:

first limit structure includes four first sliding hole of group, first spring and square pin, four groups first sliding hole sets up respectively at two sets of lower cross arm both ends and all is located the second tenon upside, four groups first spring and square pin set up respectively at the downthehole lateral wall of four first sliding hole of group, four groups according to inside to outside the square pin stretches out the one end outer wall of first sliding hole respectively with four second square groove joints of group.

As a further description of the above technical solution:

the stacking height of the second tenon and the square pin is consistent with the height between the through cavities formed by the second square groove and the second mortise groove.

As a further description of the above technical solution:

the second limit structure includes two sets of steps, four sets of second sliding holes, second spring and round pin, locating hole, and is two sets of the step sets up in two sets of one sides that the cross arm is relative and is close to the upper wall, the panel joint is between two sets of steps, four sets of the second sliding hole sets up respectively at the panel towards the both sides wall of two sets of steps, four sets of second spring and round pin set up respectively at four sets of second sliding holes inboardly from inside to outside, four sets of the locating hole sets up respectively at two sets of step relative lateral walls, four sets of the round pin one end outer wall that stretches out the second sliding hole respectively with four sets of locating hole joints.

The utility model has the following beneficial effects:

1. compared with the prior art, this chair of tenon fourth of twelve earthly branches numerical control processing, through backplate, front bezel, panel and last cross arm, the lower cross arm that first tenon fourth of twelve earthly branches structure, second tenon fourth of twelve earthly branches structure and second limit structure joint are in the same place, the connection position all is located inside, need not scribble paint again and covers, has promoted aesthetic measure greatly.

2. Compared with the prior art, this chair of tenon fourth of twelve earthly branches numerical control processing carries on spacingly through the panel to first tenon fourth of twelve earthly branches structure, carries on spacingly through second limit structure to second tenon fourth of twelve earthly branches structure for each part zonulae occludens after the equipment compares the form that hardware connects and can not appear the inefficacy problem of glue and the not hard up problem of screw, has improved firm degree.

Drawings

FIG. 1 is a schematic view of the overall structure of a mortise and tenon numerical control processing chair provided by the utility model;

FIG. 2 is a partial sectional view of the side of the overall structure of the tenon-and-mortise numerically controlled chair according to the present invention;

FIG. 3 is a partial cross-sectional view of the side of a back plate of the tenon-and-mortise numerically controlled chair according to the utility model;

FIG. 4 is a partial sectional view of a plane of depression of a back plate of the tenon-and-mortise numerically controlled chair provided by the utility model;

FIG. 5 is a schematic view of an upper cross arm structure of a mortise and tenon numerical control processing chair provided by the utility model;

FIG. 6 is a schematic view of a lower cross arm structure of a mortise and tenon numerical control processing chair provided by the utility model;

FIG. 7 is a partial structural top view of a panel of a chair with tenon-and-mortise numerical control machining, which is provided by the utility model;

fig. 8 is a sectional plan view of a partial structure of a panel of the tenon-and-mortise numerical control processing chair provided by the utility model.

Illustration of the drawings:

1. a back plate; 2. a front plate; 3. an upper cross arm; 4. a lower cross arm; 5. a panel; 6. hollow decoration; 7. a first tenon; 8. a first square groove; 9. a first mortise slot; 10. a second tenon; 11. a second square groove; 12. a second mortise slot; 13. positioning holes; 14. a step; 15. a first slide hole; 16. a first spring; 17. square pin; 18. a second slide hole; 19. a second spring; 20. round pin.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the utility model provides a chair for tenon and mortise numerical control machining, which comprises: the decorative plate comprises a front plate 2 and a back plate 1 which are arranged in front and back, wherein the front plate 2, the back plate 1 and a face plate 5 are all formed by processing whole plates, and hollow decorations 6 are arranged on the inner walls of the front plate 2 and the back plate 1; the two groups of upper cross arms 3 are clamped between the front plate 2 and the back plate 1 through a first mortise and tenon joint structure; the two groups of lower cross arms 4 are clamped between the front plate 2 and the back plate 1 through a second tenon-and-mortise structure and are positioned below the two groups of upper cross arms 3, and a first limiting structure is arranged between the two groups of lower cross arms 4 and the front plate 2 and the back plate 1; through panel 5 of second limit structure joint between two sets of last cross arm 3, first tenon fourth of the twelve earthly branches structure, second tenon fourth of the twelve earthly branches structure and first limit structure, second limit structure all obtain through numerical control machine tool processing.

The first mortise and tenon mechanism comprises a first tenon 7, a first square groove 8 and a first mortise groove 9, wherein four groups of first tenons 7 are respectively and fixedly connected with two ends of two groups of upper cross arms 3 facing to the back plate 1 and the front plate 2, the four groups of first square grooves 8 are oppositely arranged on one side wall of the back plate 1 and the front plate 2 in pairs, four groups of first mortise grooves 9 are respectively arranged on the inner wall of one side of the back plate 1 and the front plate 2 opposite and are respectively communicated with the four groups of first square grooves 8 in a left-right mode, the four groups of first mortise grooves 9 are respectively positioned between the four groups of first square grooves 8, the two groups of upper cross arms 3 are respectively inserted into the first square grooves 8 on the front plate 2 and the back plate 1 through the first tenons 7 and the first mortise grooves 9, the first tenon 7, the first mortise grooves 9 and the first square grooves 8 have the same width, when the two groups of upper cross arms 3 are assembled, the first tenons 7 at two ends are respectively inserted into the first square grooves 8 on the front plate 2 and the back plate 1, and the two groups of upper cross arms 3 are clamped into the first square grooves 9 along the first mortise grooves 9, carry out the joint through first fourth of the twelve earthly branches groove 9 and first tenon 7, go into panel 5 through second limit structure card again two sets of on between cross arm 3 for cross arm 3 is gone up by the fixed column two sets of, can't retreat into first square groove 8 from first fourth of the twelve earthly branches groove 9 again.

The second mortise and tenon mechanism comprises a second tenon 10, a second square groove 11 and a second mortise 12, wherein four groups of second tenons 10 are respectively and fixedly connected with two groups of lower cross arms 4 facing to two ends of the back plate 1 and the front plate 2, the four groups of second square grooves 11 are oppositely arranged in pairs respectively on one side wall opposite to the back plate 1 and the front plate 2 and are respectively positioned below the first mortise and tenon structure, four groups of second mortise 12 are respectively arranged on one side inner wall opposite to the back plate 1 and the front plate 2 and are respectively positioned below the four groups of second square grooves 11, the four groups of second mortise 12 are respectively communicated with the four groups of second square grooves 11 up and down, the two groups of lower cross arms 4 are clamped with the front plate 2 and the back plate 1 through the second tenons 10 and the second mortise 12, the first limiting structure comprises four groups of first sliding holes 15, first springs 16 and square pins 17, the four groups of first sliding holes 15 are respectively arranged at two ends of the two groups of lower cross arms 4 and are positioned above the second tenon 10, four groups of first springs 16 and square pins 17 are respectively arranged on the inner side walls of the four groups of first sliding holes 15 from inside to outside, the outer walls of the ends, extending out of the first sliding holes 15, of the four groups of square pins 17 are respectively clamped with four groups of second square grooves 11, the stacking height of the second tenons 10 and the square pins 17 is consistent with the height between through cavities formed by the second square grooves 11 and the second mortise 12, the second mortise structure is assembled while the first mortise structure is assembled, the four groups of first springs 16 and the square pins 17 are respectively placed on the inner sides of the four groups of first sliding holes 15, then the second tenons 10 are inserted into the second square grooves 11, at the moment, the square pins 17 are extruded and retracted to the inner sides of the first sliding holes 15, then the lower cross arm 4 is pressed downwards, so that the second tenons 10 enter the second mortise 12, and the square pins 17 are ejected to the inner sides of the second square grooves 11 through the extrusion of the first springs 16, so that the lower cross arm 4 cannot be retracted.

The second limiting structure comprises two groups of steps 14, four groups of second sliding holes 18, second springs 19, round pins 20 and positioning holes 13, wherein the two groups of steps 14 are arranged on one opposite sides of the two groups of upper cross arms 3 and close to the upper wall, the panel 5 is clamped between the two groups of steps 14, the four groups of second sliding holes 18 are respectively arranged on two side walls of the panel 5 facing the two groups of steps 14, the four groups of second springs 19 and the round pins 20 are respectively arranged on the inner sides of the four groups of second sliding holes 18 from inside to outside, the four groups of positioning holes 13 are respectively arranged on one opposite side wall of the two groups of steps 14, the outer walls of one ends of the four groups of round pins 20 extending out of the second sliding holes 18 are respectively clamped with the four groups of positioning holes 13, the panel 5 is mounted by pressing it towards the inside of the step 14, squeezing the four sets of round pins 20 into the second sliding holes 18, and after mounting in place, the four groups of round pins 20 are all pressed by the second spring 19 to be ejected into the positioning holes 13 for fixing.

The working principle is as follows: the front plate 2, the back plate 1 and the face plate 5 are all processed by a whole plate, the inner walls of the front plate 2 and the back plate 1 are all provided with hollowed-out decorations 6, a first mortise and tenon structure, a second mortise and tenon structure, a first limit structure and a second limit structure are all obtained by numerical control machine tool processing, when in assembly, first tenons 7 at two ends of two groups of upper cross arms 3 are respectively inserted into first square grooves 8 on the front plate 2 and the back plate 1, then the two groups of upper cross arms 3 are clamped into the first mortise groove 9 along the first square groove 8, the first mortise groove 9 is clamped with the first tenons 7, the face plate 5 is clamped between the two groups of upper cross arms 3 through the second limit structure, so that the two groups of upper cross arms 3 are fixed and can not retreat into the first square groove 8 from the first mortise groove 9, when the first mortise structure is assembled, the second mortise structure is assembled, and a first spring 16 and a square pin 17 of the four groups are respectively placed at the inner sides of a first sliding hole 15 of the four groups, and then the second tenon 10 is inserted into the second square groove 11, the square pin 17 is extruded and retracted to the inner side of the first sliding hole 15, then the lower cross arm 4 is pressed downwards, so that the second tenon 10 enters the second mortise 12, the square pin 17 is extruded and ejected into the inner side of the second square groove 11 through the extrusion of the first spring 16, so that the lower cross arm 4 cannot be retracted, the panel 5 is installed in a manner of pressing towards the inner side of the step 14, the four groups of round pins 20 are extruded into the second sliding hole 18, and after the square pin is installed in place, the four groups of round pins 20 are all extruded and ejected into the inner side of the positioning hole 13 by the second spring 19 for fixing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a chair of tenon fourth of twelve earthly branches numerical control processing which characterized in that: comprises a front plate (2) and a back plate (1) which are arranged in front and back;

the two groups of upper cross arms (3) are clamped between the front plate (2) and the back plate (1) through a first mortise and tenon structure;

two groups of lower cross arms (4) which are clamped between the front plate (2) and the back plate (1) through second tenon-and-mortise structures and are positioned below the two groups of upper cross arms (3), and first limiting structures are arranged between the two groups of lower cross arms (4) and the front plate (2) and the back plate (1);

the panel (5) is clamped between the two groups of upper cross arms (3) through a second limiting structure;

the front plate (2), the back plate (1) and the panel (5) are all formed by processing the whole plate, and hollow-out decorations (6) are arranged on the inner walls of the front plate (2) and the back plate (1).

2. The chair for tenon-and-mortise numerical control machining according to claim 1, wherein: first mortise and tenon structure is including setting up first tenon (7), first square groove (8) and first mortise and tenon groove (9), four groups first tenon (7) fixed connection is two sets of both ends of going up cross arm (3) towards backplate (1), front bezel (2) respectively, and four groups first square groove (8) are two liang of relative setting respectively at backplate (1), front bezel (2) relative lateral wall, four groups first mortise and tenon groove (9) set up respectively at backplate (1), front bezel (2) relative one side inner wall and be about being with four groups first square groove (8) respectively and link up, four groups first mortise and tenon groove (9) all are located between four groups first square groove (8), two groups go up cross arm (3) and through first tenon (7), first mortise and tenon groove (9) and front bezel (2), backplate (1) joint, first tenon (7), first mortise and tenon groove (9) are two groups first mortise and tenon groove (9) respectively, The first square grooves (8) have the same width in the overlooking direction.

3. The chair for tenon-and-mortise numerical control machining according to claim 2, wherein: second tenon fourth of twelve earthly branches structure is including setting up second tenon (10), second square groove (11) and second fourth of twelve earthly branches groove (12), four groups second tenon (10) are fixed connection respectively two sets of lower cross arm (4) towards the both ends of backplate (1), front bezel (2), four groups second square groove (11) are two liang of relative and set up respectively in backplate (1), front bezel (2) relative lateral wall and all are located first tenon fourth of twelve earthly branches structure below, four groups second fourth of twelve earthly branches groove (12) set up respectively at backplate (1), front bezel (2) relative one side inner wall and are located four groups second square groove (11) downside respectively, four groups second fourth of twelve earthly branches groove (12) respectively with four groups second square groove (11) are link up from top to bottom, and are two sets of lower cross arm (4) are through second tenon (10), second fourth of twelve earthly branches groove (12) and front bezel (2), backplate (1) joint.

4. The chair for tenon-and-mortise numerical control machining according to claim 3, wherein the chair comprises: first limit structure includes four first sliding hole of group (15), first spring (16) and square pin (17), four groups first sliding hole (15) set up respectively at two sets of lower cross arm (4) both ends and all are located second tenon (10) upside, four groups first spring (16) and square pin (17) set up respectively at four first sliding hole of group (15) inside walls, four groups according to from inside to outside square pin (17) stretch out the one end outer wall of first sliding hole (15) respectively with four second square groove of group (11) joints.

5. The chair for tenon-and-mortise numerical control machining according to claim 4, wherein the chair comprises: the stacking height of the second tenon (10) and the square pin (17) is consistent with the height between the through cavities formed by the second square groove (11) and the second mortise groove (12).

6. The tenon-and-mortise numerical control machining chair according to claim 5, characterized in that: the second limit structure includes two sets of steps (14), four sets of second sliding hole (18), second spring (19) and round pin (20), locating hole (13), and is two sets of step (14) set up in two sets of relative one side of last cross arm (3) and are close to the upper wall, panel (5) joint is between two sets of steps (14), four sets of second sliding hole (18) set up respectively at panel (5) towards the both sides wall of two sets of steps (14), four sets of second spring (19) and round pin (20) set up respectively at four sets of second sliding hole (18) inboardly from inside to outside, four sets of locating hole (13) set up respectively at two sets of steps (14) relative lateral wall, four sets of round pin (20) stretch out the one end outer wall of second sliding hole (18) respectively with four sets of locating hole (13) joint.

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