CN211441634U - Locking device and printer - Google Patents
Locking device and printer Download PDFInfo
- Publication number
- CN211441634U CN211441634U CN201921666237.8U CN201921666237U CN211441634U CN 211441634 U CN211441634 U CN 211441634U CN 201921666237 U CN201921666237 U CN 201921666237U CN 211441634 U CN211441634 U CN 211441634U
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- locking device
- locking
- clamping edge
- side wall
- clamping
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Abstract
The utility model relates to a printer field. The utility model relates to a locking device and printer. One scheme of the locking device comprises a shell, wherein a side wall is arranged on the shell, and a clamping edge extends outwards from one end of the side wall; the locking sheet is arranged on the side wall, and a clamping part is arranged at one end of the locking sheet close to the clamping edge; the adjusting screw rod can enable the clamping part to be close to or far away from the clamping edge. The locking device enables the locking sheet to be close to or far away from the clamping edge through the clamping edge arranged on the shell body and the adjusting screw rod, so that the locking sheet and the clamping edge clamp a target object, the means for installing and fixing the shell body is realized, and the technical effect of simple and rapid installation of the shell body is realized.
Description
Technical Field
The utility model belongs to the technical field of the printer and specifically relates to a locking device and printer are related to.
Background
At present, the embedded micro printer is used for being installed on equipment needing to use the micro printer, the existing embedded micro printer and the connection mode of the installation panel on the market fix the micro printer on the installation panel through additional connecting parts, the fixing mode is complex, the operation is inconvenient, and therefore improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent. Therefore, the embodiment of the present invention provides a locking device, which can realize the installation and fixation of the housing through the clamping edge of the housing itself and through the adjusting screw and the locking piece.
The utility model provides a second purpose provides a printer can be through the card limit of casing itself to and through adjusting screw and stay, can realize that the installation of printer is fixed.
The embodiment of the utility model provides an adopted technical scheme is:
in a first aspect, there is provided a locking device comprising:
the shell is provided with a side wall, and one end of the side wall extends outwards to form a clamping edge;
the locking sheet is arranged on the side wall, and a clamping part is arranged at one end of the locking sheet close to the clamping edge;
the adjusting screw rod can enable the clamping part to be close to or far away from the clamping edge.
Preferably, the clamping part is a spring plate, and the distance between the spring plate and the side wall is gradually increased along the direction close to the clamping edge.
Preferably, the end of the elastic sheet close to the clamping edge is provided with an anti-skid stripe.
Preferably, the adjusting screw is a screw, a through hole is formed in the shell, the screw penetrates through the through hole, and the screw is in threaded connection with the locking piece.
Preferably, the locking device further comprises a nut, the nut is fixed on the locking piece, and the screw is in threaded connection with the nut.
Preferably, the locking device further comprises an elastic element, and the elastic element gives an elastic force to the locking piece away from the clamping edge.
Preferably, the elastic element is a compression spring, the compression spring is sleeved on the adjusting screw rod, and two ends of the compression spring sleeve are respectively abutted against the clamping edge and the locking sheet.
Preferably, the side wall is provided with a guide groove, the locking piece is provided with a guide block, and the guide block is arranged in the guide groove and can slide along the guide groove.
The second side provides a printer, which comprises the locking device.
Preferably, a containing groove is formed in the shell, an opening is formed in one end of the containing groove, and the opening is formed in the end, provided with the clamping edge, of the shell.
The utility model discloses beneficial effect of embodiment:
the embodiment of the utility model provides a through set up the card limit on the casing, make the stay be close to or keep away from the card limit through adjusting screw to make stay and card limit centre gripping target object, realize the means that the installation of casing is fixed, overcome and to have the fixed too complicated of installation of casing among the prior art, the inconvenient technical problem of operation has realized the simple technological effect of installing fast of casing.
The embodiment of the utility model provides a still make the stay be close to or keep away from the card limit through adjusting screw through setting up the card limit on the casing to make stay and card limit centre gripping target object, realize the means that the installation of printer is fixed, the installation of having overcome the printer that exists among the prior art is fixed too complicated, operates inconvenient technical problem, has realized the simple technological effect of installing fast of printer.
Drawings
FIG. 1 is an isometric view of a locking device of a first embodiment;
FIG. 2 is an exploded view of the locking device of FIG. 1;
FIG. 3 is a rear view of the locking device of FIG. 1;
fig. 4 is a cross-sectional view of the locking device of fig. 3 taken along section a-a.
Detailed Description
This part will describe the embodiment of the present invention in detail, and the embodiment of the present invention is shown in the attached drawings, and the function of the attached drawings is to supplement the description of the text part of the specification with figures, so that each technical feature and the whole technical solution of the embodiment of the present invention can be understood visually and vividly, but it cannot be understood as the limitation to the protection scope of the present invention.
In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.
In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
In addition, unless defined otherwise, technical and scientific terms used in the embodiments of the present invention have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 and 2, fig. 1 is an isometric view of a locking device of a first embodiment; fig. 2 is an exploded view of the locking device in fig. 1, the locking device of this embodiment includes a housing 100, an adjusting screw 200, an elastic element 300, a locking sheet 400 and a nut 500, the housing 100 is substantially rectangular, the housing 100 is provided with a side wall 110 in the X-axis direction, the locking sheet 400 is provided on the side wall 110, one end of the side wall 110 extends outward to form a clamping edge 120, one end of the locking sheet 400 close to the clamping edge 120 is provided with a clamping portion 410, under the action of the adjusting screw 200, the locking sheet 400 can be close to the clamping edge 120, so that the clamping portion 410 and the clamping edge 120 clamp an object to achieve the installation and fixation of the housing 100, or, under the action of the adjusting screw 200, the locking sheet 400 is far away from the clamping edge 120, and the clamping portion 410 and the clamping edge 120 release the object to achieve the detachment of the housing 100.
In the embodiment, the adjusting screw 200 is a screw, the housing 100 is provided with a through hole 130, the locking plate 400 is fixed with a nut 500, and the screw passes through the through hole 130 and then is in threaded fit with the nut 500, so that the clamping portion 410 can be close to or far from the clamping edge 120 by rotating the screw.
In another embodiment, the through hole 130 can be replaced by a threaded hole, and the thread of the threaded hole is opposite to the thread of the nut 500, so that the clamping part 410 can be close to or far away from the clamping edge 120.
In this embodiment, in order to fix the nut 500, the locking plate 400 is provided with a clamping groove 450, two inner walls parallel to each other are provided in the clamping groove 450, and the two inner walls clamp the nut 500, so as to prevent the nut 500 from rotating, and meanwhile, the clamping groove 450 can prevent the nut 500 from moving along the Z-axis direction relative to the locking plate 400.
In this embodiment, in order to allow the retaining portion 410 and the clamping edge 120 to continuously and stably retain the column object to prevent loosening, the retaining portion 410 is configured as a resilient plate, and the distance between the resilient plate and the sidewall 110 is gradually increased in the negative direction along the Z-axis, so that when the screw (i.e., the adjusting screw 200) is tightened, the resilient plate is elastically deformed, a certain pre-tightening force exists between the resilient plate and the clamping edge 120, and the resilient plate and the clamping edge 120 can continuously retain the object.
In order to make the locking plate 400 automatically get away from the clamping edge 120 when the screw (i.e. the adjusting screw rod 200) is loosened, the elastic element 300 is provided, and when the locking plate 400 gets close to the clamping edge 120 to a certain distance (the distance between the locking plate 400 and the clamping edge 120 does not clamp the target object yet), the elastic element 300 starts to give an elastic force to the locking plate 400 away from the clamping edge 120, so that when the screw (i.e. the adjusting screw rod 200) is loosened, the locking plate 400 automatically gets away from the clamping edge 120.
In this embodiment, the elastic element 300 is a compression spring, the compression spring is sleeved on the screw (i.e. the adjusting screw 200), and two ends of the compression spring respectively abut against the housing 100 and the locking plate 400.
In other embodiments, the elastic element 300 may also be a rubber ring.
In this embodiment, in order to guide the locking tab 400 and prevent the locking tab 400 from moving in the Y-axis direction or rotating in the X-axis direction when the locking tab 400 approaches or leaves the clamping edge 120, the side wall 110 is provided with a guide groove 150, and the locking tab 400 is provided with a guide block 440, and the guide block 440 is inserted into the guide groove 150, so that the guide block 440 can move only in the Z-axis direction or can move in the X-axis direction (the screw (i.e., the adjustment screw 200) can limit the movement).
In the present embodiment, two sets of the screw (i.e., the adjustment screw rod 200), the compression spring (i.e., the elastic member 300), the locking piece 400 and the nut 500 are provided, and are respectively provided on the two side walls 110 of the housing 100 in the X-axis direction.
Referring to fig. 2, 3 and 4, fig. 3 is a rear view of the locking device of fig. 1, fig. 4 is a cross-sectional view of the locking device of fig. 3 taken along a-a, a receiving groove 160 is further formed in the housing 100, an opening is formed at one end of the receiving groove 160, the opening is formed at one end of the housing 100 where the side wall 120 is formed, and the receiving groove 160 can be used for placing printing paper.
To facilitate the mounting and dismounting of the printer using the locking device of the present embodiment, the head of the screw (i.e., the adjustment screw 200) is disposed at the end of the accommodating groove 160 where the opening is disposed, whereby the worker can conveniently tighten or loosen the screw (i.e., the adjustment screw 200). Meanwhile, in order to separate the elastic piece (i.e., the holding portion 410) of the locking plate 400 from the target object, the housing 100 is provided with the first opening 140, the elastic piece is provided with the second opening 420, and the accommodating groove 160 is communicated with the second opening 420 through the first opening 140, so that the elastic piece can be tightly attached to the side wall 110 through a tool, and the housing 100 can be taken out.
In this embodiment, a side of the locking tab 400 away from the side wall 110 is further provided with a raised scale 430, and correspondingly, the side wall 110 is provided with a raised arrow 111, and the arrow 111 and the scale 430 help a worker to determine a position of the locking tab 400 relative to the housing 100, so as to conveniently adjust the locking tab 400, and thus, a clamping force between the locking tab 400 and the clamping edge 120 is within a proper range.
The utility model discloses still relate to a printer, this printer is including foretell locking device.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. A locking device, comprising:
the shell is provided with a side wall, and one end of the side wall extends outwards to form a clamping edge;
the locking sheet is arranged on the side wall, and a clamping part is arranged at one end of the locking sheet close to the clamping edge;
the adjusting screw rod can enable the clamping part to be close to or far away from the clamping edge.
2. The locking device of claim 1, wherein the retaining portion is a spring, and a distance between the spring and the side wall increases gradually in a direction approaching the clamping edge.
3. The locking device of claim 2, wherein an anti-slip strip is disposed at an end of the spring plate adjacent to the clamping edge.
4. The locking device of claim 1, wherein the adjusting screw is a screw, a through hole is formed in the housing, the screw passes through the through hole, and the screw is in threaded connection with the locking piece.
5. The locking device of claim 4, further comprising a nut secured to the locking tab, the screw being threadably coupled to the nut.
6. The locking device of claim 1 further comprising a resilient member, said resilient member imparting a resilient force to said locking tab away from said retaining edge.
7. The locking device of claim 1, wherein the side wall is provided with a guide slot, and the locking piece is provided with a guide block, and the guide block is arranged in the guide slot and can slide along the guide slot.
8. A printer comprising a locking device as claimed in any one of claims 1 to 7.
9. The printer according to claim 8, wherein the housing has a receiving slot therein, and an opening is provided at an end of the receiving slot, the opening being provided at an end of the housing where the clamping edge is provided.
10. The printer according to claim 9, wherein a first detaching hole is provided in the side wall, and a second detaching hole is provided in the chucking portion, the first detaching hole communicating the accommodating groove with the second detaching hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921666237.8U CN211441634U (en) | 2019-09-29 | 2019-09-29 | Locking device and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921666237.8U CN211441634U (en) | 2019-09-29 | 2019-09-29 | Locking device and printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211441634U true CN211441634U (en) | 2020-09-08 |
Family
ID=72315646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921666237.8U Active CN211441634U (en) | 2019-09-29 | 2019-09-29 | Locking device and printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211441634U (en) |
-
2019
- 2019-09-29 CN CN201921666237.8U patent/CN211441634U/en active Active
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