CN211394861U

CN211394861U - Tacking tool of tacking machine and tacking machine

Info

Publication number: CN211394861U
Application number: CN201920646438.5U
Authority: CN
Inventors: 屠昌平; 白欢欢; 张建
Original assignee: Zhejiang Haiming Industrial Co ltd
Current assignee: Zhejiang Haiming Industrial Co ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-09-01
Anticipated expiration: 2029-05-07

Abstract

A bartack sewing machine nail instrument, include the pedestal and set up the location body on the pedestal, the pedestal includes fixed part and assembly portion, is provided with first correction portion on the fixed part, is provided with second correction portion on the location body, first correction portion and the cooperation of second correction portion, this scheme has improved the position precision of the location body for the pedestal greatly. The base body is fixed on the bar tacking machine, and the positioning body is used for fixing the button. The locking mechanism enables the positioning body to have higher position precision relative to the fixing part, and further greatly improves the position precision of the button relative to the bar tacking machine. A noose machine, including the nail instrument of detaining, this nail instrument of detaining is the nail instrument of detaining that above-mentioned technical scheme disclosed, this nail instrument of detaining makes the button have higher position precision for the noose machine, has optimized the performance of noose machine.

Description

Tacking tool of tacking machine and tacking machine

Technical Field

The utility model relates to a sewing machine accessory especially relates to a tacking machine button sewing instrument and tacking machine, belongs to the clothing field of making up.

Background

The bartack sewing machine is a device for reinforcing stitches and is widely applied to the field of clothing sewing. Such as where a stitch on the garment requires reinforcement or where a convex stitch is to be formed on the garment.

The bartack machine in the prior art has program adaptability, namely the bartack machine can form corresponding stitches on the clothes according to program requirements after a program is preset, and the program adaptability enables the bartack machine to have a wider application range, for example, the process of forming complex stitches such as button sewing on the clothes is needed.

In the button sewing process, the button and the tacking machine need to be fixed, namely, the button has a correct position relative to the tacking machine so as to be beneficial to forming stitches in the button sewing process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a tacking machine button sewing tool is provided to improve the position precision of button for the tacking machine.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the utility model provides a bartack sewing tool of bar tacking machine, includes the pedestal be provided with the location body on the pedestal, the pedestal is including assembling portion and the fixing to the bartacking machine the fixed part of location body, be provided with the improvement on the fixed part the location body for the first correction portion of fixed part position precision be provided with on the location body with first correction portion complex second correction portion, the location body with still be provided with between the fixed part with the location body lock in locking mechanism on the fixed part.

A bartack sewing machine nail instrument, include the pedestal and set up the location body on the pedestal, the pedestal includes fixed part and assembly portion, is provided with first correction portion on the fixed part, is provided with second correction portion on the location body, first correction portion and the cooperation of second correction portion, this scheme has improved the position precision of the location body for the pedestal greatly. The base body is fixed on the bar tacking machine, and the positioning body is used for fixing the button. The locking mechanism enables the positioning body to have higher position precision relative to the fixing part, and further greatly improves the position precision of the button relative to the bar tacking machine.

Preferably, the first correction portion is a track arranged on the fixing portion, the second correction portion is a groove arranged on the positioning body and matched with the track, or the first correction portion is a groove arranged on the fixing portion, and the second correction portion is a track arranged on the positioning body and matched with the groove.

The arrangement of the rail and the groove body can effectively improve the position precision of the positioning body relative to the fixing part, the positioning body is not easy to move in the direction vertical to the rail relative to the fixing part, and the formation of stitches in the button sewing process is facilitated.

Preferably, the cross-sectional shape of the rail is trapezoidal.

The track and the groove body have better matching performance, and the position precision of the positioning body relative to the fixing part is improved.

Preferably, the locking mechanism comprises a screw arranged on the positioning body, the positioning body is provided with a screw hole matched with the screw, the fixing part is provided with an assembling groove matched with the screw, the assembling groove penetrates through the end face, far away from the assembling part, of the fixing part, and the assembling groove and the first correcting part are arranged in parallel.

Adopt the screw to lock the locating body on the fixed part, the locating body is convenient with fixed part assembly to, the locating body is high for fixed part position precision.

Preferably, the locking mechanism comprises a locking column arranged on the positioning body, an assembling groove matched with the locking column is arranged on the fixing part, the fitting groove is arranged in parallel with the first correcting portion, and the locking post protrudes out of the fitting groove, the fixed part is provided with a locking block matched with the locking column, the locking block is provided with a locking hole matched with the locking column, the fixing part is provided with an upright post for positioning the locking block, the locking block is sleeved on the upright post, and the locking block slides along the upright column, the upright column and the locking column are arranged in parallel, an elastic part for pushing the locking block to move towards the direction close to the fixing part is arranged between the upright post and the locking block, the elastic piece is sleeved on the upright post, and the cross sections of the upright post and the locking post are polygonal.

Adopt the latch segment locking locating body, the locating body is high for the position precision of fixed part to in specific use, the latch segment is difficult to break away from with the locking post, has improved the stability of bar tacking machine in the course of the work.

Preferably, the elastic component is a spring, the upright post is connected with a positioning head for positioning the elastic component, one end of the elastic component abuts against the positioning head, and the other end of the elastic component abuts against the locking block.

The elastic part is easy to obtain, the tacking tool of the tacking machine is easy to maintain, and the use cost of the tacking tool of the tacking machine is reduced.

Preferably, a clamping arm for clamping the button is arranged on the positioning body, a positioning structure for positioning the button is arranged on the clamping arm, and the clamping arm comprises a movable clamping arm and a static clamping arm matched with the movable clamping arm.

The arrangement of the movable clamping arms enables the tacking tool of the tacking machine to have good universality, and further the performance of the tacking tool of the tacking machine is optimized.

Preferably, move arm lock sliding connection in on the locating body be provided with on the locating body with move arm lock complex spout the spout internal rotation is connected with the lead screw move be provided with on the arm lock lead screw complex screw hole still be provided with the locking screw of locking lead screw on the locating body, be provided with on the locating body with locking screw complex locking screw, the locking screw with the spout communicates with each other, locking screw contradicts the lead screw utilizes frictional force locking the lead screw.

The locking screw is mainly used for preventing the screw rod from automatically rotating in the using process, preventing the movable clamping arm from being dislocated and optimizing the performance of the button attaching tool of the tacking machine.

Preferably, the positioning structure is a positioning groove formed by matching the movable clamping arm with the static clamping arm, or the positioning structure is a positioning column body positioned between the movable clamping arm and the static clamping arm.

The positioning groove and the positioning column body can be matched with different buttons, for example, the positioning groove is matched with the male button, and the positioning column body is matched with the female button, so that the universal performance of the button attaching tool of the bar tacking machine is optimized.

A bar tacking machine comprises a button attaching tool arranged on the bar tacking machine, wherein the button attaching tool is the button attaching tool of the bar tacking machine.

A noose machine, including the nail instrument of detaining, this nail instrument of detaining is the nail instrument of detaining that above-mentioned technical scheme disclosed, this nail instrument of detaining makes the button have higher position precision for the noose machine, has optimized the performance of noose machine.

Compared with the prior art, the utility model have following advantage and effect:

1. the first correcting portion and the second correcting portion are arranged to improve the position accuracy of the positioning body relative to the fixing portion, so that the position accuracy of the button relative to the bar tacking machine is improved, and the performance of a button tacking tool of the bar tacking machine is optimized.

2. The setting of latch segment and locking post improves the stability of the location body and fixed part, and the latch segment is difficult to break away from with the locking post promptly, has improved the stability of tacking machine button attaching instrument in the course of the work.

3. The arrangement of the movable clamping arm and the static clamping arm ensures that the tacking tool of the tacking machine has good universality. The arrangement of the static clamping arms improves the position precision of the button relative to the bar tacking machine and optimizes the performance of a button attaching tool of the bar tacking machine.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of the button attaching tool of the bar tacking machine of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a top view of fig. 1.

FIG. 4 is a schematic view of a locking mechanism including a locking post.

Fig. 5 is an assembly schematic of the lead screw.

Fig. 6 is a schematic view of a positioning cylinder.

Description of reference numerals:

1. the base body, 2, the locating body, 3, the assembly portion, 4, the fixed part, 5, first correction portion, 6, the screw, 7, the assembly groove, 8, the locking post, 9, the latch segment, 10, the stand, 11, the elastic component, 12, the locating head, 13, move the arm lock, 14, quiet arm lock, 15, spout, 16, the lead screw, 17, locking screw, 18, constant head tank, 19, the location cylinder.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention.

Example 1

A button sewing tool of a tacking machine is used for the tacking machine, a button to be sewn is fixed on the tacking machine, and the tacking machine is matched to sew the button on clothes. The tacking tool of the tacking machine is mainly used for determining the position of a button relative to the tacking machine. Position of the button relative to the tacking machine refers to the position of the button relative to the tacking machine needle.

As shown in fig. 1, 2 and 3, the tacking machine tool includes a base 1, the base 1 may be made of a metal material, the base 1 is fixed on the tacking machine, a positioning body 2 is disposed on the base 1, the base 1 includes an assembling portion 3 assembled to the tacking machine and a fixing portion 4 for fixing the positioning body 2, and the assembling portion 3 is used for fixing the positioning portion on the tacking machine. For example, the fitting portion 3 may be fitted to the bar tacking machine using bolts. The fitting portion 3 and the positioning portion may be of an integral structure.

The fixing part 4 is provided with a first correcting part 5 for improving the position precision of the positioning body 2 relative to the fixing part 4, the positioning body 2 is provided with a second correcting part matched with the first correcting part 5, and a locking mechanism for locking the positioning body 2 on the fixing part 4 is further arranged between the positioning body 2 and the fixing part 4.

Specifically, the bartacker should have a precise position with respect to the pin of the bartacker at the time of tacking, and the position of the button with respect to the pin should not be shifted during the actual tacking process. The position of the button relative to the needle is deviated, so that the needle is easy to hit on the button, and the button or the needle is damaged.

Therefore, the positional accuracy of the positioning body 2 with respect to the fixing portion 4 should be improved as much as possible to improve the positional accuracy of the button with respect to the needle. The first correcting part 5 and the second correcting part are mainly used for correcting the position accuracy of the positioning body 2 relative to the fixing part 4, namely, the position of the positioning body 2 relative to the fixing part 4 is positioned by the first correcting part 5 and the second correcting part, and then the positioning body 2 and the fixing part 4 are locked by the locking mechanism, so that the position accuracy of the button relative to the needle is improved.

The assembly of the assembly part 3 and the tacking machine can ensure the position precision by adopting bolts, so the position precision of the button relative to the needle is improved by the arrangement of the first correction part 5 and the second correction part, and the performance of a button attaching tool of the tacking machine is optimized.

When the assembling portion 3 is fixed on the bar tacking machine by adopting the bolt, an assembling hole for penetrating the bolt is arranged on the assembling portion 3, and the assembling hole is matched with the bolt so as to improve the position precision of the assembling portion 3 relative to the bar tacking machine.

Inclusion in this specification means that the tacking tool of the bar tacking machine may include other features in addition to the technical features disclosed, such as, for example, resilient washers to lock the bolt, etc.

Example 2

In this embodiment, a possible scheme of the first correcting section 5 and the second correcting section is described in conjunction with embodiment 1.

As shown in fig. 1, the first correcting portion 5 is a track disposed on the fixing portion 4, the track may be integrated with the fixing portion 4, and the second correcting portion is a slot disposed on the positioning body 2 and engaged with the track.

Or, first correction portion 5 for set up in the cell body on the fixed part 4, second correction portion for set up in on the locating body 2 with cell body complex track. The track may be of integral construction with the positioning body 2.

The two schemes in this embodiment only lie in the setting position of the track, and the specific setting position of the track is not limited, and can be freely selected by those skilled in the art.

The cross section of the track is trapezoidal. The cross section of the rail can be in other shapes, the specific shape is not limited, and the rail can be reasonably selected by a person skilled in the art according to the needs.

The first correcting unit 5 and the second correcting unit may have other configurations, but the first correcting unit 5 and the second correcting unit are combined to correct the position of the positioning body 2 with respect to the fixing portion 4, thereby improving the positional accuracy of the positioning body 2 with respect to the fixing portion 4.

The first correcting part 5 and the second correcting part cooperate to limit the degrees of freedom of the positioning body 2 relative to the fixing part 4 in two directions, and cooperate with the locking mechanism to limit the degrees of freedom of the positioning body 2 relative to the fixing part 4 in three directions, so that the positioning of the positioning body 2 and the fixing part 4 is realized.

Example 3

This embodiment describes possible configurations of the locking mechanism, which can be combined with any of the above embodiments.

As shown in fig. 1, 2 and 3, in the first embodiment, the locking mechanism includes a screw 6 disposed on the positioning body 2, a screw hole is disposed on the positioning body 2, the screw 6 is engaged with the screw, an assembling groove 7 is disposed on the fixing portion 4, the assembling groove 7 penetrates through an end surface of the fixing portion 4 far from the assembling portion 3, and the assembling groove 7 is disposed in parallel with the first correcting portion 5.

The assembling groove 7 is communicated with the outside, in the scheme, one end of the assembling groove 7 penetrates through one end face of the fixing part 4, the positioning body 2 does not need to be completely taken down in the locking or loosening process, and the assembling performance of the positioning body 2 is optimized.

As shown in fig. 4, according to the second aspect, the locking mechanism includes a locking post 8 disposed on the positioning body 2, the locking post 8 and the positioning body 2 may be in an integral structure, an assembling groove 7 engaged with the locking post 8 is disposed on the fixing portion 4, the assembling groove 7 is parallel to the first correcting portion 5, the assembling groove 7 penetrates through the end surface of the fixing portion 4 far away from the assembling portion 3, and the locking post 8 protrudes out of the assembling groove 7.

Be provided with on the fixed part 4 with locking post 8 complex latch segment 9 be provided with on the latch segment 9 with locking post 8 complex locking hole, be provided with the location on the fixed part 4 the stand 10 of latch segment 9, the latch segment 9 cover is located on the stand 10, and, the latch segment 9 is followed the stand 10 slides, the stand 10 with locking post 8 parallel arrangement be provided with the promotion between the stand 10 with be provided with between the latch segment 9 is to being close to the elastic component 11 that the fixed part 4 direction removed, elastic component 11 cover is located on the stand 10, the stand 10 with the cross sectional shape of locking post 8 is the polygon. The cross-sectional shapes of the upright 10 and the locking post 8 are preferably not circular to avoid wobbling of the positioning body 2 relative to the fixing portion 4. The upright 10 and the fixing portion 4 may be of an integral structure.

Specifically, when the positioning body 2 is assembled on the fixing portion 4, the locking column 8 is engaged with the assembling groove 7, and then the positioning body 2 is pushed to adjust the relative position of the positioning body 2 with respect to the fixing portion 4, at this time, the locking block 9 is positioned at one end of the upright post 10 far from the fixing portion 4 against the elastic force of the elastic member 11, so as to prevent the locking block 9 from interfering with the locking column 8.

After the relative position of the positioning body 2 and the fixing part 4 is correct, the locking block 9 is loosened, and under the action of the elastic part 11, the locking block 9 is matched with the locking column 8, so that the function of locking the positioning body 2 is realized.

In the scheme, the locking block 9 is sleeved on the locking column 8, so that the locking block 9 and the locking column 8 cannot be separated in the actual working process of the tacking machine tacking tool, and the stability of the tacking machine tacking tool is optimized.

Elastic component 11 is the spring, threaded connection has the location on the stand 10 the location head 12 of elastic component 11 position, the one end of elastic component 11 is contradicted location head 12, the other end of elastic component 11 is contradicted latch segment 9. The positioning head 12 and the upright 10 should be detachably connected to facilitate the assembly of the elastic member 11.

The assembly scheme of the positioning body 2 and the fixing part 4 can be other schemes, and is not limited herein, and can be reasonably selected by a person skilled in the art according to needs.

Example 4

This embodiment is combined with any of the above embodiments to describe a possible solution of the positioning body 2.

As shown in fig. 1, 2, and 3, a clamping arm of a clamping button is disposed on the positioning body 2, a positioning structure of the positioning button is disposed on the clamping arm, and the clamping arm includes a movable clamping arm 13 and a stationary clamping arm 14 cooperating with the movable clamping arm 13.

The static clamping arm 14 is mainly used for positioning the position of the button, and the button is contacted with the static clamping arm 14 due to the fact that the position of the static clamping arm 14 is not moved, namely, the positioning of the button is achieved. I.e. the position of the clasp relative to the needle is unique.

The arrangement of the movable clamping arm 13 is mainly used for enabling the toggle-button attaching tool of the bar tacking machine to have better universality. Specifically, the method comprises the following steps:

as shown in fig. 1 and 5, the movable clamping arm 13 is slidably connected to the positioning body 2, that is, the position of the movable clamping arm 13 relative to the stationary clamping arm 14 can be adjusted, a sliding slot 15 engaged with the movable clamping arm 13 is provided on the positioning body 2, a lead screw 16 is rotatably connected to the sliding slot 15, a threaded hole engaged with the lead screw 16 is provided on the movable clamping arm 13, a locking screw 17 for locking the lead screw 16 is further provided on the positioning body 2, a locking screw hole engaged with the locking screw 17 is provided on the positioning body 2, the locking screw hole is communicated with the sliding slot 15, and the locking screw 17 abuts against the lead screw 16 and locks the lead screw 16 by friction.

The lead screw 16 can be rotatably connected in the chute 15 through a deep groove ball bearing, and the fixing mode of the lead screw 16 is not limited, referring to the fixing mode in the prior art. For example, the lead screw 16 should include a light shaft portion without threads, and the deep groove ball bearing is sleeved on the light shaft portion, and then the deep groove ball bearing is fixed in the sliding slot 15, so that the lead screw 16 is rotatably connected in the sliding slot 15.

The lead screw 16 can be further provided with a handle which is convenient for rotating the lead screw 16, and when the lead screw 16 is rotated, because the axial position of the lead screw 16 is limited, at this time, the lead screw 16 rotates to drive the movable clamping arm 13 to move, so that the function of adjusting the position of the movable clamping arm 13 relative to the static clamping arm 14 is realized.

In order to prevent the screw rod 16 from rotating by mistake, the locking screw 17 locks the screw rod 16 by using friction force, the screw rod 16 cannot rotate by mistake in the actual working process of the tacking tool of the tacking machine, and the stability of the tacking tool of the tacking machine is improved.

Move arm lock 13 and also can be fixed in the locating body 2 through other schemes on, as long as can realize adjusting move arm lock 13 can for the position of quiet arm lock 14, for example move arm lock 13 direct sliding connection on locating body 2, set up the check pin on locating body 2, move the position of arm lock 13 by check pin locking, still should be provided with on locating body 2 with check pin complex bar groove, this bar groove sets up along the length direction of spout 15. The locking nail should have threads thereon.

Example 5

This embodiment can be combined with embodiment 4 to describe a possible solution of the positioning structure.

As shown in fig. 3, the positioning structure is a positioning groove 18 formed by the movable clamping arm 13 cooperating with the stationary clamping arm 14, that is, the movable clamping arm 13 cooperates with the stationary clamping arm 14 to form the positioning groove 18, and the positioning groove 18 is used for positioning the male buckle, that is, the male buckle cooperates with the female buckle to cooperate with the positioning groove 18, so as to position the male buckle.

As shown in fig. 6, alternatively, the positioning structure is a positioning column 19 located between the movable clamping arm 13 and the stationary clamping arm 14. The positioning column 19 is matched with the female buckle and used for positioning the female buckle. The positioning column 19 may be welded to the fixed clip arm 14, or the positioning column 19 may be positioned by the movable clip arm 13 cooperating with the fixed clip arm 14, and the fixing manner of the positioning column 19 is not limited, and can be freely selected by those skilled in the art.

The specific scheme of the positioning structure is not limited, and can be freely selected according to the structure of the button.

The utility model also discloses a tacking machine, including set up in the button sewing instrument on the tacking machine, the button sewing instrument is foretell a tacking machine button sewing instrument.

In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a tacking machine button sewing tool, includes pedestal (1), characterized by: be provided with location body (2) on pedestal (1), pedestal (1) is including assembling portion (3) and the fixing on the bar tacking machine fixed part (4) of location body (2), be provided with the improvement on fixed part (4) location body (2) for first correction portion (5) of fixed part (4) position precision be provided with on location body (2) with first correction portion (5) complex second correction portion, location body (2) with still be provided with between fixed part (4) with location body (2) lock in locking mechanism on fixed part (4).

2. The toggle tool of claim 1, wherein: first correction portion (5) for set up in track on fixed part (4), second correction portion for set up in on location body (2) with track complex cell body, perhaps, first correction portion (5) for set up in cell body on fixed part (4), second correction portion for set up in on location body (2) with cell body complex track.

3. The toggle tool of claim 2, wherein: the cross section of the track is trapezoidal.

4. The toggle tool of claim 1, wherein: locking mechanism including set up in screw (6) on the location body (2) be provided with on the location body (2) screw (6) complex screw be provided with on fixed part (4) with screw (6) complex assembly groove (7), assembly groove (7) run through fixed part (4) are kept away from the terminal surface of assembly portion (3), and, assembly groove (7) with first correction portion (5) parallel arrangement.

5. The toggle tool of claim 1, wherein: the locking mechanism comprises a locking column (8) arranged on the positioning body (2), an assembly groove (7) matched with the locking column (8) is arranged on the fixing part (4), the assembly groove (7) is arranged in parallel with the first correcting part (5), the locking column (8) protrudes out of the assembly groove (7), a locking block (9) matched with the locking column (8) is arranged on the fixing part (4), a locking hole matched with the locking column (8) is arranged on the locking block (9), a stand column (10) for positioning the locking block (9) is arranged on the fixing part (4), the locking block (9) is sleeved on the stand column (10), the locking block (9) slides along the stand column (10), the stand column (10) is arranged in parallel with the locking column (8), the vertical column (10) and the elastic piece (11) which pushes the locking block (9) to move towards the direction close to the fixing part (4) are arranged between the locking blocks (9), the elastic piece (11) is sleeved on the vertical column (10), and the cross section of the vertical column (10) and the cross section of the locking column (8) are both polygonal.

6. The toggle tool of claim 5, wherein: elastic component (11) are the spring, threaded connection has the location on stand (10) positioning head (12) of elastic component (11) position, the one end of elastic component (11) is contradicted positioning head (12), the other end of elastic component (11) is contradicted latch segment (9).

7. The toggle tool of claim 1, wherein: the positioning body (2) is provided with a clamping arm for clamping the button, the clamping arm is provided with a positioning structure for positioning the button, and the clamping arm comprises a movable clamping arm (13) and a static clamping arm (14) matched with the movable clamping arm (13).

8. The toggle tool of claim 7, wherein: move arm lock (13) sliding connection in on the locating body (2) be provided with on the locating body (2) with move arm lock (13) complex spout (15) internal rotation is connected with lead screw (16) move be provided with on arm lock (13) lead screw (16) complex screw hole still be provided with locking screw (17) of locking lead screw (16) on the locating body (2), be provided with on the locating body (2) with locking screw (17) complex locking screw, locking screw with spout (15) communicate with each other, locking screw (17) are contradicted lead screw (16) and utilize frictional force locking lead screw (16).

9. A tacking tool of a bar tacking machine according to claim 7 or 8, wherein: the positioning structure is a positioning groove (18) formed by matching the movable clamping arm (13) with the static clamping arm (14), or the positioning structure is a positioning column (19) positioned between the movable clamping arm (13) and the static clamping arm (14).

10. The utility model provides a bar tacking machine, including set up in the button sewing instrument on the bar tacking machine, characterized by: the button-sewing tool is the button-sewing tool of the bar tacking machine as claimed in any one of claims 1 to 9.