CN213413294U

CN213413294U - Novel electronic surface sheet printer opening and closing mechanism and printer

Info

Publication number: CN213413294U
Application number: CN202021507821.1U
Authority: CN
Inventors: 钟志江
Original assignee: Xiamen Yinxiang Future Technology Co ltd
Current assignee: Xiamen Yinxiang Future Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-06-11
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a novel electronic surface single printer opening and closing mechanism and printer, including upper cover body, lower casing, uncapping briquetting and fixture block, the upper cover body is articulated with one end of lower casing, the other end passes through the fixture block joint, uncapping briquetting symmetric distribution is at the upper cover body both ends and with upper cover body sliding connection, the fixture block top is connected with upper cover body circumferential direction rotation, be equipped with the fixture block hole of stepping down on the upper cover body, be equipped with the card hole on the lower casing, the fixture block bottom passes the card hole and with card hole joint; the cover opening pressing block is provided with a wedge-shaped convex block, an arc-shaped convex part is arranged on the wedge-shaped surface of the wedge-shaped convex block, the fixture block is provided with a wedge-shaped pushing block tangent to the arc-shaped convex part, the fixture block is provided with an elastic resetting piece, and the elastic resetting piece is fixedly connected with the upper cover body. The opening and closing mechanism of the utility model has simple structure and convenient use, the cover can be opened only by pressing the cover opening press block, and the cover can be closed by closing the upper cover body; two fixture blocks pass through gangbar fixed connection, guarantee to press unilateral uncapping briquetting and also can uncap smoothly.

Description

Novel electronic surface sheet printer opening and closing mechanism and printer

Technical Field

The utility model relates to a printer technical field specifically is a novel electronic face list printer mechanism and printer that opens and shuts.

Background

The electronic surface sheet printer is specially used for printing express delivery surface sheets, in an opening and closing mechanism of the existing electronic surface sheet printer, an upper cover body and a lower cover body are hinged by one end, the other end is locked and closed in a locking mode, the left side and the right side of the upper cover body are provided with locking pieces, the left side and the right side of the lower cover body are provided with locking parts which are locked with the locking pieces, and therefore the stability of the upper cover body and the lower cover body after being locked is guaranteed. However, the existing opening and closing mechanism of the electronic surface single printer has a complex opening and closing manner, and the opening and closing of the electronic surface single printer can be smoothly performed only by separating the fasteners on the left side and the right side from the fastening parts, which is very inconvenient. Therefore, the opening and closing mechanism of the novel electronic surface sheet printer and the printer are designed to solve the problems to be solved in the prior art.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model provides a novel opening and closing mechanism of an electronic surface single printer and a printer, the opening and closing mechanism has simple structure and convenient use, the cover can be opened only by pressing a cover opening press block, and the cover can be closed by closing an upper cover body; two fixture blocks pass through gangbar fixed connection, guarantee to press unilateral uncapping briquetting and also can uncap smoothly.

The utility model adopts the following technical scheme:

a novel opening and closing mechanism of an electronic surface single printer comprises an upper cover body, a lower shell body, a cover opening pressing block and a clamping block.

One end of the upper cover body is hinged with one end of the lower shell, the other end of the upper cover body is clamped by a clamping block, and the cover opening pressing blocks are symmetrically distributed at two ends of the upper cover body and are in sliding connection with the upper cover body; the top of the clamping block is axially and fixedly connected with the upper cover body, the top of the clamping block is circumferentially and rotatably connected with the upper cover body, a clamping block abdicating hole for the bottom of the clamping block to pass through is formed in the upper cover body, a clamping hole opposite to the clamping block abdicating hole is formed in the lower cover body, and the bottom of the clamping block passes through the clamping hole and is clamped with the opening end face at one end of the clamping hole; the cover opening pressing block is provided with a wedge-shaped convex block, the upper cover body is provided with a wedge-shaped convex block abdicating hole for the wedge-shaped convex block to pass through, an arc-shaped convex part is arranged on the wedge-shaped surface of the wedge-shaped convex block, one side of the clamping block, which is close to the cover opening pressing block, is provided with a wedge-shaped pushing block, the wedge-shaped surface of the pushing block is tangent to the arc-shaped convex part, one side of the clamping block, which is close to the cover opening pressing block, is provided with.

Further setting, foretell upper cover body both ends all are equipped with the upper cover indent, and the casing both ends all are equipped with the inferior valve indent down, and the upper cover indent is relative with inferior valve indent position, and the cooperation of upper cover indent and inferior valve indent can hold the briquetting of uncapping.

So set up, upper cover indent and inferior valve indent are used for protecting the briquetting that uncaps, prevent to uncap the briquetting and bump and lead to damaging to the influence mechanism that opens and shuts's use.

Further setting, be equipped with briquetting joint hole on the tank bottom of aforementioned upper cover indent, be equipped with the joint convex part with briquetting joint hole joint on the briquetting of uncapping.

So set up, the briquetting of uncapping can move to the direction that is close to or keeps away from upper cover indent tank bottom through briquetting joint hole to realize uncapping briquetting and last lid sliding connection, and the joint convex part is used for restricting the slip stroke of the briquetting of uncapping, prevents that the briquetting of uncapping breaks away from the upper cover body.

And a sliding groove is further formed in the bottom of the upper cover pressing groove, and a sliding block in sliding fit with the sliding groove is arranged on the cover opening pressing block.

So set up, when the briquetting that uncaps passed through briquetting joint hole and removed to the direction that is close to or keeps away from upper cover indent tank bottom, the slider was followed the sliding groove synchronous motion, strengthened uncap briquetting and upper cover body sliding connection's stability.

Further setting, aforementioned upper cover body includes lid frame and lid shell, and lid frame top and lid shell bottom cooperate, and lid frame top and lid shell bottom fixed connection are equipped with two relative risers in the lid frame, and it has the standing groove to open on the riser, is equipped with the gangbar in the standing groove, and the gangbar both ends all pass the standing groove and with fixture block circumference fixed connection.

According to the arrangement, the cover body frame is fixedly connected with the cover body shell, so that the placing groove is sealed, and the linkage rod is prevented from leaving the placing groove; the placing groove is used for limiting the position of the linkage rod and preventing the position of the linkage rod from deviating, so that the use of the opening and closing mechanism is influenced; the linkage rod ensures synchronous actions of the two clamping blocks, namely the clamping block at one end of the linkage rod rotates and simultaneously drives the clamping block at the other end of the linkage rod to rotate along with the clamping block.

The linkage rod is further provided with connecting parts at two ends, and the cross section of each connecting part is D-shaped; the fixture block is positioned on the outer side of the vertical plate, and a connecting hole matched with the connecting part is formed in the fixture block.

Through the arrangement, the cross section of the connecting part is D-shaped, so that the clamping block is fixedly connected with the linkage rod in the circumferential direction.

Further setting, the top of the cover body frame is provided with a plurality of first bosses, the top of each first boss is provided with a first mounting groove, the bottom of each first mounting groove is provided with a first mounting hole, the bottom of the cover body shell is provided with a plurality of second bosses relative to the first bosses, the bottom of each second boss is provided with a first mounting convex part in clearance fit with the corresponding first mounting groove, and the first mounting convex parts are provided with first thread grooves corresponding to the first mounting holes.

So set up, insert first installation convex part in the first mounting groove, adopt the screw to pass first mounting hole and first thread groove in proper order to fixed connection lid frame and lid shell.

Further setting, one side that is close to the briquetting of uncapping on the aforementioned fixture block is equipped with first connecting block, first connecting block bottom and ejector pad top fixed connection, and it has the connecting hole that is used for fixed connection elasticity piece that resets to open on the first connecting block, is equipped with the second connecting block that is used for fixed connection elasticity piece that resets on the upper cover body.

So set up, elasticity resets the first connecting block of piece pulling, makes the fixture block rotate to the direction that is close to the briquetting that uncaps, and the one end in close contact with that the hole is close to elasticity resets is stepped down to fixture block bottom and fixture block, makes the opening terminal surface joint of fixture block bottom and the one end that the hole is close to elasticity resets to fixed connection upper cover body and lower casing.

Further, the elastic reset piece is made of an extension spring.

So set up, elasticity resets the piece and plays the reset effect, draws the fixture block back to original position.

The utility model also provides a printer, this printer are provided with the above-mentioned novel electron face list printer mechanism that opens and shuts.

Because the novel electronic surface single printer opening and closing mechanism has the technical effects, the printer provided with the novel electronic surface single printer opening and closing mechanism also has the corresponding technical effects.

Advantageous effects

Compared with the prior art, the utility model provides a novel electron face list printer mechanism and printer that opens and shuts possesses following beneficial effect:

the utility model provides a novel electronic surface sheet printer opening and closing mechanism and printer, the opening and closing mechanism has simple structure and convenient use, the cover can be opened only by pressing the cover opening press block, and the cover can be closed by closing the upper cover body; two fixture blocks pass through gangbar fixed connection, guarantee to press unilateral uncapping briquetting and also can uncap smoothly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the front side of the cover frame;

FIG. 3 is a schematic side view of the cover frame;

FIG. 4 is a schematic view of the structure of the cover housing;

FIG. 5 is a schematic structural view of the front face of the housing frame;

FIG. 6 is a schematic view of the back of the housing frame;

FIG. 7 is a schematic structural view of the housing shell;

FIG. 8 is a top view of the lid frame, the lid release press block and the latch;

fig. 9 is a structural sectional view of the present invention at a.

Reference numerals: 1. an upper cover body; 11. a cover body frame; 111. a first boss; 1111. a first mounting groove; 1112. a first mounting hole; 112. pressing a groove on the upper cover; 1121. pressing blocks are clamped in the holes; 1122. a sliding groove; 1123. the wedge-shaped bump is provided with a hole; 113. a vertical plate; 1131. a placement groove; 1132. a linkage rod; 11321. a connecting portion; 114. a fixture block abdicating hole; 115. a second connecting block; 116. an elastic reset member; 12. a cover body housing; 121. a second boss; 1211. a first mounting boss; 1212. a first thread groove; 2. a lower housing; 21. a housing frame; 211. a third boss; 2111. a second mounting boss; 2112. a second thread groove; 212. a lower compression groove; 213. a clamping hole; 22. a housing shell; 221. a fourth boss; 2211. a second mounting groove; 2212. a second mounting hole; 3. opening the cover and pressing the block; 31. clamping the convex part; 32. a slider; 33. a wedge-shaped bump; 331. an arc-shaped convex part; 4. a clamping block; 41. a fixture block is connected with the hole; 42. a push block; 43. a first connection block; 431. the push block is connected with the hole.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, wherein fig. 1 is a schematic structural view of the present invention, fig. 2 is a schematic structural view of the front surface of the cover frame, fig. 3 is a schematic structural view of the side surface of the cover frame, fig. 4 is a schematic structural view of the cover housing, fig. 5 is a schematic structural view of the front surface of the housing frame, fig. 6 is a schematic structural view of the back surface of the housing frame, fig. 7 is a schematic structural view of the housing, fig. 8 is a top view of the cover frame, the cover opening press block and the fixture block, and fig. 9 is a sectional. The utility model discloses the mechanism that opens and shuts of a novel electron face list printer of a preferred embodiment, including last lid 1, lower casing 2, the briquetting 3 and the fixture block 4 of uncapping.

The upper cover body 1, the lower cover body 2, the cover opening pressing block 3 and the clamping block 4 are integrally formed.

The upper cover body 1 comprises a cover body frame 11 and a cover body shell 12, and the top of the cover body frame 11 is matched with the bottom of the cover body shell 12. There are four first bosss 111 at lid frame 11 top, first boss 111 top has first mounting groove 1111 to open, the tank bottom of first mounting groove 1111 is opened has first mounting hole 1112, lid shell 12 bottom has four second bosss 121 relative with first boss 111, second boss 121 bottom has the first installation convex 1211 with first mounting groove 1111 clearance fit, it has the first thread groove 1212 corresponding with first mounting hole 1112 to open on the first installation convex 1211, then insert first installation convex 1211 in the first mounting groove 1111, adopt the screw to pass first mounting hole 1112 and first thread groove 1212 in proper order, thereby fixed connection lid frame 11 and lid shell 12.

The lower case 2 includes a case frame 21 and a case housing 22, and the bottom of the case frame 21 is fitted to the top of the case housing 22. The bottom of the housing frame 21 is provided with four third bosses 211, the bottom of the third bosses 211 is provided with second mounting convex parts 2111, and the second mounting convex parts 2111 are provided with second thread grooves 2112; the top of the housing case 22 has four fourth bosses 221 opposite to the third bosses 211, the top of the fourth bosses 221 is provided with second mounting grooves 2211 in clearance fit with the second mounting protrusions 2111, the bottom of the second mounting grooves 2211 is provided with second mounting holes 2212 corresponding to the second thread grooves 2112, the second mounting protrusions 2111 are inserted into the second mounting grooves 2211, and screws sequentially pass through the second mounting holes 2212 and the second thread grooves 2112, thereby fixedly connecting the housing frame 21 and the housing case 22.

The lid frame 11 is articulated with the one end of casing frame 21, and the other end passes through fixture block 4 joint, and the lid body frame 11's that the briquetting 3 symmetric distribution of uncapping is in other both ends.

Lid frame 11 both ends have all been opened upper cover indent 112, and casing frame 21 both ends have all been opened lower indent 212, and upper cover indent 112 and lower indent 212 position are relative, and upper cover indent 112 and lower indent 212 cooperation can hold the briquetting 3 of uncapping, then upper cover indent 112 and lower indent 212 are used for protecting the briquetting 3 of uncapping, prevent that the briquetting 3 collision of uncapping from leading to the damage to the influence opens and shuts the use of mechanism. Open on the tank bottom of upper cover indent 112 has briquetting joint hole 1121, and the inboard surface of uncapping briquetting 3 has the joint convex part 31 with briquetting joint hole 1121 joint, then uncapping briquetting 3 can be through briquetting joint hole 1121 to the direction that is close to or keeps away from upper cover indent 112 tank bottom and remove to realize uncapping briquetting 3 and last lid 1 sliding connection, and joint convex part 31 is used for restricting the slip stroke of uncapping briquetting 3, prevents that uncapping briquetting 3 from breaking away from last lid 1. The groove bottom of the upper cover pressure groove 112 is further provided with a sliding groove 1122, the inner side surface of the cover opening pressing block 3 is provided with a sliding block 32 in sliding fit with the sliding groove 1122, and when the cover opening pressing block 3 moves towards the direction close to or away from the groove bottom of the upper cover pressure groove 112 through the pressing block clamping hole 1121, the sliding block 32 synchronously moves along the sliding groove 1122, so that the stability of the sliding connection between the cover opening pressing block 3 and the upper cover body 1 is enhanced.

There are two relative risers 113 on lid frame 11, it has standing groove 1131 to open on riser 113, gangbar 1132 has been placed in the standing groove 1131, two ends of gangbar 1132 all pass standing groove 1131 and two ends of gangbar 1132 all have connecting portion 11321, then lid frame 11 and lid shell 12 fixed connection, thereby seal standing groove 1131, prevent that gangbar 1132 from leaving standing groove 1131, standing groove 1131 is used for restricting the position of gangbar 1132, prevent that gangbar 1132 position from taking place the skew, thereby influence the use of mechanism that opens and shuts.

The fixture block 4 is located on the outer side of the vertical plate 113, the cross section of the connecting portion 11321 is D-shaped, a fixture block connecting hole 41 matched with the connecting portion 11321 is formed in the top of the fixture block 4, the fixture block 4 is circumferentially and fixedly connected with the linkage rod 1132, the fixture block 4 can rotate along with the linkage rod 1132, and the linkage rod 1132 ensures that the actions of the two fixture blocks 4 are synchronous, that is, the fixture block 4 at one end of the linkage rod 1132 rotates, and meanwhile, the fixture block 4 at the other end of the linkage rod 1132 is driven to.

The cover frame 11 is provided with a fixture block receding hole 114 for the bottom of the fixture block 4 to pass through, the lower housing 2 is provided with a fixture hole 213 opposite to the fixture block receding hole 114, the bottom of the fixture block 4 sequentially passes through the fixture block receding hole 114 and the fixture hole 213, the bottom of the fixture block 4 can rotate in the fixture hole 213 along with the linkage rod 1132, and the rotation range of the bottom of the fixture block 4 is limited by the fixture hole 213.

The inner side surface of the uncapping pressing block 3 is provided with a wedge-shaped lug 33, the groove wall of the upper cover pressing groove 112 is provided with a wedge-shaped lug abdicating hole 1123 for the wedge-shaped lug 33 to pass through, and the outer side of the wedge-shaped lug 33 is provided with an arc-shaped convex part 331. One side of the clamping block 4 close to the uncovering pressing block 3 is provided with a wedge-shaped pushing block 42, and the wedge-shaped surface of the pushing block 42 is tangent to the arc-shaped convex part 331, so that when the uncovering pressing block 3 is pressed towards the direction of the groove bottom close to the upper cover pressing groove 112, the arc-shaped convex part 331 moves towards the direction of the groove bottom close to the upper cover pressing groove 112, and the pushing block 42 is pushed to enable the bottom of the clamping block 4 to rotate towards the direction far away from the uncovering pressing block 3 along the clamping hole 213.

A first connecting block 43 is arranged on one side of the clamping block 4 close to the cover opening pressing block 3, the bottom of the first connecting block 43 is fixedly connected with the top of the pushing block 42, a pushing block connecting hole 431 is formed in the first connecting block 43, a second connecting block 115 is arranged on the upper cover body 1, an elastic resetting piece 116 is hung on the second connecting block 115, the elastic resetting piece 116 is hung on the pushing block connecting hole 431, the elastic resetting piece 116 is made of a tension spring and plays a resetting role, the elastic resetting piece 116 pulls the first connecting block 43 to enable the clamping block 4 to rotate towards the direction close to the cover opening pressing block 3 until the bottom of the clamping block 4 is tightly contacted with one end, close to the elastic resetting piece 116, of the clamping block 4 and the opening end face of one end, close to the elastic resetting piece 116, of the clamping hole 213, so that the upper cover body 1 and the lower cover body 2 are fixedly connected, and meanwhile, the pushing block 42 pushes the cover opening pressing block 3 to, returning to the original position.

The utility model discloses during uncapping, need press the briquetting 3 of uncapping, arc convex part 331 removes to the tank bottom direction that is close to upper cover indent 112 along uncapping briquetting 3 to promote ejector pad 42 and make 4 bottoms of fixture block rotate to the direction of keeping away from the briquetting 3 of uncapping along card hole 213, make 4 bottoms of fixture block no longer be close to the opening end face joint of the one end of elasticity piece 116 that resets with card hole 213. When the cover opening pressing block 3 is released after the cover is opened, the elastic resetting piece 116 recovers, and the pushing block 42 is driven to move towards the direction close to the cover opening pressing block 3 until the bottom of the clamping block 4 is in close contact with one end, close to the elastic resetting piece 116, of the clamping block receding hole 114. The utility model discloses when closing the lid, need press and go up lid 1 and be close to casing 2 down, make 4 bottoms of fixture block pass card hole 213, elasticity resets 116 simultaneously and makes 4 bottoms of fixture block and the opening end face joint that card hole 213 is close to the one end that elasticity resets 116, and when fixture block 4 pushed down, ejector pad 42 promoted the briquetting 3 of uncapping through arc convex part 331 and removed to the tank bottom direction of keeping away from upper cover indent 112, got back to primary position.

The utility model provides a novel electronic surface single printer opening and closing mechanism, which has simple structure and convenient use, and can open the cover only by pressing the opening and closing press block 3 and close the upper cover body 1; two fixture blocks 4 are circumferentially and fixedly connected through a linkage rod 1132, and the cover opening of the cover opening press block 3 which is only pressed on a single side can be guaranteed.

The utility model also provides a printer, this printer are provided with the above-mentioned novel electron face list printer mechanism that opens and shuts. The specific implementation process of the opening and closing mechanism of the novel electronic surface sheet printer can be implemented by referring to the above description, and the detailed description of the embodiment is omitted here. Because the novel electronic surface single printer opening and closing mechanism has the technical effects, the printer provided with the novel electronic surface single printer opening and closing mechanism also has the corresponding technical effects.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The opening and closing mechanism of the novel electronic surface single printer is characterized by comprising an upper cover body, a lower shell, an uncovering pressing block and a clamping block, wherein one end of the upper cover body is hinged with one end of the lower shell, the other end of the upper cover body is clamped by the clamping block, and the uncovering pressing blocks are symmetrically distributed at two ends of the upper cover body and are in sliding connection with the upper cover body;

the top of the clamping block is axially and fixedly connected with the upper cover body, the top of the clamping block is circumferentially and rotatably connected with the upper cover body, a clamping block abdicating hole for the bottom of the clamping block to pass through is formed in the upper cover body, a clamping hole opposite to the clamping block abdicating hole is formed in the lower cover body, and the bottom of the clamping block passes through the clamping hole and is clamped with the opening end face at one end of the clamping hole;

the cover opening pressing block is provided with a wedge-shaped convex block, the upper cover body is provided with a wedge-shaped convex block abdicating hole for the wedge-shaped convex block to pass through, an arc-shaped convex part is arranged on the wedge-shaped surface of the wedge-shaped convex block, one side of the clamping block, which is close to the cover opening pressing block, is provided with a wedge-shaped pushing block, the wedge-shaped surface of the pushing block is tangent to the arc-shaped convex part, one side of the clamping block, which is close to the cover opening pressing block, is provided with.

2. The opening and closing mechanism of electronic surface single printer as claimed in claim 1, wherein the upper cover has upper cover press grooves at both ends thereof, the lower cover has lower cover press grooves at both ends thereof, the upper cover press grooves and the lower cover press grooves are opposite, and the upper cover press grooves and the lower cover press grooves cooperate to accommodate the cover press blocks.

3. The opening and closing mechanism of electronic surface single printer as claimed in claim 2, wherein the bottom of the upper cover pressing groove is provided with a pressing block clamping hole, and the cover-opening pressing block is provided with a clamping convex part clamped with the pressing block clamping hole.

4. The opening and closing mechanism of electronic surface sheet printer according to claim 3, wherein the bottom of said upper cover pressing groove is further provided with a sliding groove, and the cover-opening pressing block is provided with a sliding block which is in sliding fit with the sliding groove.

5. The opening and closing mechanism of the electronic surface sheet printer as claimed in claim 1, wherein the upper cover comprises a cover frame and a cover housing, the top of the cover frame is matched with the bottom of the cover housing, and the top of the cover frame is fixedly connected with the bottom of the cover housing, two opposite vertical plates are arranged on the cover frame, a placing groove is arranged on each vertical plate, a linkage rod is arranged in each placing groove, and two ends of each linkage rod pass through the placing groove and are fixedly connected with the clamping blocks in the circumferential direction.

6. The opening and closing mechanism of the novel electronic surface sheet printer as claimed in claim 5, wherein the linkage rod is provided with connecting parts at both ends, and the cross section of each connecting part is D-shaped; the fixture block is positioned on the outer side of the vertical plate, and a connecting hole matched with the connecting part is formed in the fixture block.

7. The opening and closing mechanism of electronic surface single printer as claimed in claim 5, wherein the top of the cover frame has a plurality of first bosses, the top of the first bosses has first mounting grooves, the bottom of the first mounting grooves has first mounting holes, the bottom of the cover housing has a plurality of second bosses opposite to the first bosses, the bottom of the second bosses has first mounting protrusions fitting with the first mounting grooves, the first mounting protrusions have first thread grooves corresponding to the first mounting holes.

8. The opening and closing mechanism of electronic surface single printer as claimed in claim 1, wherein a first connecting block is disposed on a side of the clamping block close to the cover opening pressing block, a bottom of the first connecting block is fixedly connected with a top of the pushing block, the first connecting block is provided with a connecting hole for fixedly connecting the elastic reset member, and the upper cover is provided with a second connecting block for fixedly connecting the elastic reset member.

9. The opening and closing mechanism of electronic surface printer as claimed in claim 8, wherein said elastic reset member is made of a tension spring.

10. A printer, characterized in that it is provided with a new electronic surface sheet printer opening and closing mechanism according to any of claims 1-9.