CN110435344B - Quick release device for patent mail seal - Google Patents
Quick release device for patent mail seal Download PDFInfo
- Publication number
- CN110435344B CN110435344B CN201910546574.1A CN201910546574A CN110435344B CN 110435344 B CN110435344 B CN 110435344B CN 201910546574 A CN201910546574 A CN 201910546574A CN 110435344 B CN110435344 B CN 110435344B
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- Prior art keywords
- fixing plate
- cutter
- plate
- pressing plate
- seat
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- 238000003825 pressing Methods 0.000 claims description 65
- 238000003780 insertion Methods 0.000 claims description 29
- 230000037431 insertion Effects 0.000 claims description 29
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 210000003811 finger Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
- B43M7/00—Devices for opening envelopes
- B43M7/002—Hand tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
- B43M7/00—Devices for opening envelopes
- B43M7/007—Devices for opening envelopes with cutting blades
Landscapes
- Supports Or Holders For Household Use (AREA)
Abstract
The invention discloses a patent mail seal quick-release device, wherein: including back seat, top board structure, holding down plate structure, go up fixed plate structure, lower fixed plate structure, go up cutter structure, lower cutter structure and postal seal positioning structure, the top board structure includes the top board, top board rear end and the front end upper portion elastic connection of back seat, the top board level sets up, the top board front end is the free end, it includes the upper fixed plate to go up the fixed plate structure, it is fixed connection with the back seat to go up the fixed plate rear end, it lies in the below of top board to go up the fixed plate in parallel, the anterior upper portion of upper fixed plate passes through upper spring and the anterior lower part of top board is connected, the holding down plate structure includes the holding down plate, holding down plate rear end and the front end lower part elastic connection of back seat, the holding down plate level sets up, the holding down plate front end is the free end, the holding down plate structure includes the lower fixed plate, lower fixed plate rear end and back seat fixed connection. The invention has the advantages of being capable of accurately cutting the postal seal without carefully aligning the postal seal edge, and being simple and convenient to use.
Description
Technical Field
The invention belongs to the technical field of office supplies, and particularly relates to a patent mail seal quick-release device.
Background
In the process of patent application and maintenance, a lot of mails need to be received, various notices and certificates mailed by the national patent office are available, the patent agency company is also available for transferring mails and realizing reminding mails, a great number of patents are applied for and universities in maintenance, the science and technology department is specially responsible for patent transactions, the number of mails in the future is large, and when the patent mails are detached, the paper notices in the mails are troublesome and easy to detach, and particularly, the damaged patent certificates can be lost more when the patent certificates are arranged in the mails. If the edge cutter is used for cutting the edge of the mail piece, the edge of the mail piece needs to be carefully aligned on the edge cutter, then the cutter is pulled down to cut the mail piece, and the mail piece cutting process needs to be concentrated, so that the mail piece is more concentrated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the patent postal seal quick-release device which can accurately cut postal seals without carefully aligning postal seal edges and is simple and convenient to use.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
patent post seal quick detach device, wherein: comprises a back seat, an upper plate structure, a lower plate structure, an upper fixing plate structure, a lower fixing plate structure, an upper cutter structure, a lower cutter structure and a postal seal positioning structure, wherein the upper plate structure comprises an upper plate, the rear end of the upper plate is elastically connected with the upper part of the front end of the back seat, the upper plate is horizontally arranged, the front end of the upper plate is a free end, the upper fixing plate structure comprises an upper fixing plate, the rear end of the upper fixing plate is fixedly connected with the back seat, the upper fixing plate is positioned below the upper plate in parallel, the upper part of the front part of the upper fixing plate is connected with the lower part of the front part of the upper plate through an upper spring, the lower plate structure comprises a lower plate, the rear end of the lower plate is elastically connected with the lower part of the front end of the back seat, the lower plate is horizontally arranged, the front end of the lower plate is a free end, the lower fixing plate comprises a lower fixing plate, the rear end of the lower fixing plate is fixedly connected with the back seat, the lower fixing plate is positioned above the lower plate in parallel, the front lower part of the lower fixing plate is connected with the front upper part of the lower pressing plate through a lower spring, the upper fixing plate is parallel to the lower fixing plate, the upper fixing plate is positioned on the upper part of the lower fixing plate, an insertion gap for inserting a patent mail seal is formed between the upper fixing plate and the lower fixing plate, the rear end of the upper fixing plate and the rear end of the lower fixing plate are fixedly connected with a rear seat through a connecting seat, an upper plate groove is formed in the middle position of the rear part of the upper fixing plate, a lower plate groove is formed in the middle position of the rear part of the lower fixing plate, a travel groove is formed in the middle position of the front end of the connecting seat, the front end of the travel groove is communicated with the insertion gap, the rear end of the travel groove is a blind end, the travel groove is positioned between the upper fixing plate and the lower fixing plate, the mail seal positioning structure comprises a top block, a connecting frame, a rear spring, an upper vertical sliding rail and a lower vertical sliding rail, the top block is fixed in the middle of the connecting frame, the front end of the top block is aligned with the gap, the second half section of the connecting frame is located in the travel groove, the connecting frame can axially slide in the travel groove, the rear end of the connecting frame is connected with the bottom of the travel groove through a rear spring, the front end of the connecting frame extends to the front upper side and the front lower side of the top block from the upper side and the lower side of the top block respectively through the top block, the upper vertical sliding rail is fixedly connected to the upper portion of the front end of the connecting frame, the upper vertical sliding rail is vertically arranged, the lower vertical sliding rail is fixedly connected to the lower portion of the front end of the connecting frame, the lower vertical sliding rail is vertically arranged, the upper cutter structure comprises an upper cutter holder and an upper cutter, the upper cutter holder is mounted on the upper vertical sliding rail, the upper cutter holder and the upper vertical sliding rail slide up and down, the front and rear limit fit, the upper cutter is fixed at the lower end of the upper cutter holder, the upper cutter edge faces downwards, the upper cutter is opposite to the insertion gap, the horizontal distance between the upper cutter and the top block is a fixed value, the upper pressing plate and the upper plate slide corresponding to the upper plate slide groove is provided with an axial upper pressing plate slide groove, the upper cutter holder passes through the upper plate slide groove, the upper cutter holder and the lower cutter holder is located in the upper pressing plate slide groove, the lower pressing plate slide groove is capable of sliding forward and sliding in the lower plate slide groove, the lower plate is in the upper sliding plate slide groove and the lower plate slide groove is in the vertical sliding down, the lower plate is in the sliding position opposite to the upper plate, and the lower plate slide plate is in the lower sliding down position and the lower plate is in the sliding position opposite to the upper plate and the lower plate slide plate and the lower plate.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the horizontal distance between the upper cutter and the front end of the top block and the horizontal distance between the lower cutter and the front end of the top block are 1.5mm to 2mm.
The upper surface of the upper fixing plate is provided with an upper spring fixing groove, and the lower end of the upper spring extends into the upper spring fixing groove to be fixedly connected with the upper fixing plate.
The lower surface of the lower fixing plate is provided with a lower spring fixing groove, and the upper end of the lower spring extends into the lower spring fixing groove to be fixedly connected with the lower fixing plate.
The lower surface of the front end of the upper fixing plate is provided with a plurality of upper ball grooves, upper balls are limited in the upper ball grooves, the upper balls can roll in the upper ball grooves, the lower ends of the upper balls extend out of the upper ball grooves, and the upper balls are positioned at the front part of the insertion gap.
The upper surface of the front end of the lower fixing plate is provided with a plurality of lower ball grooves, lower balls are limited in the lower ball grooves, the lower balls can roll in the lower ball grooves, the upper ends of the lower balls extend out of the lower ball grooves and are positioned at the front part of the insertion gap, the upper balls and the lower balls are symmetrically arranged, and the upper balls and the lower balls are matched, so that the patent postal seal extending into the insertion gap can be clamped, and the patent postal seal is in rolling friction fit with the upper fixing plate and the lower fixing plate.
The cutter head of the upper cutter and the cutter head of the lower cutter are both inclined cutter heads.
The quick-release device for the postal seal mainly comprises a rear seat, an upper pressing plate structure, a lower pressing plate structure, an upper fixing plate structure, a lower fixing plate structure, an upper cutter structure, a lower cutter structure and a postal seal positioning structure, wherein the upper pressing plate and the lower pressing plate have certain elasticity and can be pressed relatively under the pressure of fingers, the upper fixing plate and the lower fixing plate are fixed and cannot be bent. Specifically, because the upper cutter structure, the lower cutter structure and the top block are all positioned on the same connecting frame, the connecting frame can slide and reset under the action of the rear spring in the depth of the insertion gap, so that the horizontal distance between the upper cutter, the lower cutter and the top block is always fixed, the top block is propped by a postal seal and moves backwards, and the upper cutter and the lower cutter also move backwards along with the postal seal.
The invention also designs the knife edges of the upper knife and the lower knife to incline, can easily cut into the postal seal, and ensures that the knife edges can conveniently and continuously slide off the postal seal in the process of transversely moving and cutting off the whole postal seal by the postal seal quick dismounting device of the patent.
The invention has simple and practical whole structure, can be held by one hand, and is very convenient for being used in the patent management of more mails.
Drawings
FIG. 1 is a perspective view of the quick release device of the postal seal of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a B-B cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of the structure of the upper and lower cutters;
FIG. 5 is a schematic view of a quick release device for inserting a mail seal;
FIG. 6 is a schematic diagram of the structure of the seal positioning structure of the seal toward the rear;
fig. 7 is a schematic view of the structure of the quick release device for trimming the mail seal.
Wherein the reference numerals are as follows: the rear seat 1, the insertion gap 11, the connecting seat 12, the travel groove 13, the upper platen structure 2, the upper platen 21, the upper platen sliding groove 22, the lower platen structure 3, the lower platen 31, the lower platen sliding groove 32, the upper fixing plate structure 4, the upper fixing plate 41, the upper spring 42, the upper plate groove 43, the upper spring fixing groove 44, the upper ball 45, the lower fixing plate structure 5, the lower fixing plate 51, the lower spring 52, the lower plate groove 53, the lower spring fixing groove 54, the lower ball 55, the upper cutter structure 6, the upper cutter seat 61, the upper cutter 62, the lower cutter structure 7, the lower cutter seat 71, the lower cutter 72, the mail seal positioning structure 8, the top block 81, the connecting frame 82, the rear spring 83, the upper vertical sliding rail 84, and the lower vertical sliding rail 85.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The invention relates to a patent postal seal quick-dismantling device, wherein: comprises a rear seat 1, an upper pressing plate structure 2, a lower pressing plate structure 3, an upper fixing plate structure 4, a lower fixing plate structure 5, an upper cutter structure 6, a lower cutter structure 7 and a mail seal positioning structure 8, wherein the upper pressing plate structure 2 comprises an upper pressing plate 21, the rear end of the upper pressing plate 21 is elastically connected with the upper part of the front end of the rear seat 1, the upper pressing plate 21 is horizontally arranged, the front end of the upper pressing plate 21 is a free end, the upper fixing plate structure 4 comprises an upper fixing plate 41, the rear end of the upper fixing plate 41 is fixedly connected with the rear seat 1, the upper fixing plate 41 is parallelly arranged below the upper pressing plate 21, the upper part of the front part of the upper fixing plate 41 is connected with the lower part of the front part of the upper pressing plate 21 through an upper spring 42, the lower pressing plate structure 3 comprises a lower pressing plate 31, the rear end of the lower pressing plate 31 is elastically connected with the lower part of the front end of the rear seat 1, the front end of the lower pressing plate 31 is horizontally arranged, the front end of the lower pressing plate 31 is a free end, the lower fixing plate 5 comprises a lower fixing plate 51, the rear end of the lower fixing plate 51 is fixedly connected with the rear seat 1, the lower fixing plate 51 is positioned above the lower pressing plate 31 in parallel, the front lower portion of the lower fixing plate 51 is connected with the front upper portion of the lower pressing plate 31 through a lower spring 52, the upper fixing plate 41 and the lower fixing plate 51 are parallel, and the upper fixing plate 41 is positioned at the upper portion of the lower fixing plate 51, so that an insertion gap 11 for inserting a patent mail is formed between the upper fixing plate 41 and the lower fixing plate 51, the rear end of the upper fixing plate 41 and the rear end of the lower fixing plate 51 are fixedly connected with the rear seat 1 through a connecting seat 12, an upper plate groove 43 is formed at the middle position of the rear portion of the upper fixing plate 41, a lower plate groove 53 is formed at the middle position of the rear portion of the lower fixing plate 51, a travel groove 13 is formed at the middle position of the front end of the connecting seat 12, the front end of the travel groove 13 is communicated with the insertion gap 11, the rear end of the travel groove 13 is a blind end, the travel groove 13 is positioned between the upper fixing plate 41 and the lower fixing plate 51, the postal seal positioning structure 8 comprises a top block 81, a connecting frame 82, a rear spring 83, an upper vertical sliding rail 84 and a lower vertical sliding rail 85, wherein the top block 81 is fixed in the middle of the connecting frame 82, the front end of the top block 81 is aligned with the insertion gap 11, the rear half section of the connecting frame 82 is positioned in the travel slot 13, the connecting frame 82 can axially slide in the travel slot 13, the rear end of the connecting frame 82 is connected with the bottom of the travel slot 13 through the rear spring 83, the front end of the connecting frame 82 extends to the front upper part and the front lower part of the top block 81 from the upper part and the lower part of the top block 81 respectively beyond the top block 81, the upper vertical sliding rail 84 is fixedly connected to the upper part of the front end of the connecting frame 82, the upper vertical sliding rail 84 is vertically arranged, the lower vertical sliding rail 85 is fixedly connected to the lower part of the front end of the connecting frame 82, the lower vertical sliding rail 85 is vertically arranged, the upper cutter structure 6 comprises an upper cutter seat 61 and an upper cutter 62, the upper cutter seat 61 is arranged on the upper vertical sliding rail 84, the upper cutter seat 61 and the upper vertical sliding rail 84 slide up and down and are in front-back limit fit, the upper cutter 62 is fixed at the lower end of the upper cutter seat 61, the edge of the upper cutter 62 faces downwards and is opposite to the insertion gap 11, the horizontal distance between the upper cutter 62 and the front end of the jacking block 81 is a fixed value, an axial upper pressing plate sliding groove 22 is arranged at the position of the upper pressing plate 21 corresponding to the upper plate groove 43, the upper cutter seat 61 penetrates through the upper plate groove 43, the upper end of the upper cutter seat 61 is positioned in the upper pressing plate sliding groove 22 and can slide back and forth in the upper pressing plate sliding groove 22, the lower cutter structure 7 comprises a lower cutter seat 71 and a lower cutter 72, the lower cutter seat 71 is arranged on the lower vertical sliding rail 85, the lower cutter seat 71 and the lower vertical sliding rail 85 slide up and down and are in front-back limit fit, the lower cutter 72 is fixed at the upper end of the lower cutter seat 71, the edge of the lower cutter 72 faces upwards and is opposite to the insertion gap 11, and the horizontal distance between the lower cutter 72 and the front end of the jacking block 81 is a fixed value, when the upper cutter 62 and the lower cutter 72 are simultaneously pressed into the insertion gap 11, the upper cutter 62 and the lower cutter 72 can be tightly stuck and staggered with each other to cut off the post sealing edge inserted into the insertion gap 11, the position of the lower pressing plate 31 corresponding to the lower plate groove 53 is provided with the lower pressing plate sliding groove 32 in the axial direction, the lower cutter seat 71 passes through the lower plate groove 53, and the upper end of the lower cutter seat 71 is positioned in the lower pressing plate sliding groove 32 and can slide back and forth in the lower pressing plate sliding groove 32.
In an embodiment, the horizontal distance between the upper cutter 62 and the front end of the top block 81 and the horizontal distance between the lower cutter 72 and the front end of the top block 81 are 1.5mm to 2mm.
In the embodiment, the upper surface of the upper fixing plate 41 is provided with an upper spring fixing groove 44, and the lower end of the upper spring 42 extends into the upper spring fixing groove 44 to be fixedly connected with the upper fixing plate 41.
In the embodiment, the lower surface of the lower fixing plate 51 is provided with a lower spring fixing groove 54, and the upper end of the lower spring 52 extends into the lower spring fixing groove 54 to be fixedly connected with the lower fixing plate 51.
In the embodiment, the lower surface of the front end of the upper fixing plate 41 is provided with a plurality of upper ball grooves, an upper ball 45 is limited in the upper ball grooves, the upper ball 45 can roll in the upper ball grooves, and the lower end of the upper ball 45 extends out of the upper ball grooves and is positioned in the front of the insertion gap 11.
In the embodiment, the upper surface of the front end of the lower fixing plate 51 is provided with a plurality of lower ball grooves, the lower ball grooves are limited with lower balls 55, the lower balls 55 can roll in the lower ball grooves, the upper ends of the lower balls 55 extend out of the lower ball grooves and are positioned at the front part of the insertion gap 11, the upper balls 45 and the lower balls 55 are symmetrically arranged, and the upper balls 45 and the lower balls 55 are matched, so that the patent postal seal extending into the insertion gap 11 can be clamped, and the patent postal seal is in rolling friction fit with the upper fixing plate 41 and the lower fixing plate 51.
In the embodiment, the cutter head of the upper cutter 62 and the cutter head of the lower cutter 72 are both inclined cutter heads.
The application method of the invention is as follows: as shown in fig. 1, in the quick release device for postal seal, a vertical indicator is arranged in the middle of the upper surface of the front end of the upper pressing plate, a user can hold the device of the invention by one hand and hold the postal seal by one hand, one side of the postal seal is approximately aligned with the indicator, then the postal seal is inserted into the insertion gap 11, the distance between the upper ball 45 and the lower ball 55 is slightly smaller than the height of the insertion gap 11 in the rest, when the postal seal is too thick, the postal seal is prevented from being plugged into the insertion gap 11, the postal seal is prevented from damaging the upper cutter 62 and the lower cutter 72, the upper fixing plate 41 is flush with the lower end of the upper cutter 62 which is not pressed down at the upper plate groove 43, and the lower fixing plate 51 is flush with the upper end of the lower cutter 72 which is not pressed down at the lower plate groove 53, so that the front side surface of the postal seal is further ensured not to be propped up by the postal seal, and the postal seal positioning structure 8 is prevented from being damaged. When the postal seal is inserted into the insertion gap 11, as shown in fig. 5, the user does not need to carefully align the insertion depth of the postal seal, only needs to insert the front end of the postal seal almost to the bottom of the insertion gap 11, the front end of the postal seal abuts against the top block 81 and pushes the postal seal positioning structure 8 back as a whole, the connecting frame 82 slides back in the travel slot 13, the rear spring 83 compresses, the upper cutter seat 61 slides back in the upper platen sliding slot 22, the lower cutter seat 71 slides back in the lower platen sliding slot 32, since the upper cutter seat 61 and the lower cutter seat 71 are not completely defined in the corresponding platen sliding slots, i.e. the depth of the platen sliding slots is larger than the height of the sliding blocks of the cutter seat extending into the platen sliding slots, even if the upper platen 21 and the lower platen 31 are bent, the upper end of the upper cutter seat 61 is still in the upper platen sliding slot 22, the lower cutter seat 71 is in the lower platen sliding slot 32, in this case, as shown in fig. 6, the user presses the front ends of the upper pressing plate 21 and the lower pressing plate 31 with the thumb and the fingers at the same time, the upper pressing plate 21 and the lower pressing plate 31 are elastically deformed, as shown in fig. 7, the upper springs 42 and the lower springs 52 are elastically compressed, the front end of the upper pressing plate 21 contacts the front end of the upper fixing plate 41, the front end of the lower pressing plate 31 contacts the front end of the lower fixing plate 51, the elastic deformation of the upper pressing plate 21 and the lower pressing plate 31 causes the upper cutter holder 61 to move downward, the lower cutter holder 71 moves upward, the upper cutter holder 61 slides vertically downward in the upper vertical slide rail 84, the lower cutter holder 71 slides vertically upward in the lower vertical slide rail 85, the upper cutter 62 and the lower cutter 72 are mutually attached and staggered, the mail seal corner between the cutter and the top block 81 is cut off, at this time, the user moves the whole patent mail seal quick-release device laterally, the staggered upper cutter 62 and the lower cutter 72 cross-cut the whole mail seal edge, the edge of the envelope is removed from the body of the patent envelope.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (5)
1. Patent post envelope quick release device, characterized by: the automatic trimming machine comprises a rear seat (1), an upper pressing plate structure (2), a lower pressing plate structure (3), an upper fixing plate structure (4), a lower fixing plate structure (5), an upper cutter structure (6), a lower cutter structure (7) and a post seal position adjusting structure (8), wherein the upper pressing plate structure (2) comprises an upper pressing plate (21), the rear end of the upper pressing plate (21) is elastically connected with the upper part of the front end of the rear seat (1), the upper pressing plate (21) is horizontally arranged, the front end of the upper pressing plate (21) is a free end, the upper fixing plate structure (4) comprises an upper fixing plate (41), the rear end of the upper fixing plate (41) is fixedly connected with the rear seat (1), the upper fixing plate (41) is parallelly positioned below the upper pressing plate (21), the upper part of the front part of the upper fixing plate (41) is connected with the lower part of the front part of the upper pressing plate (21) through an upper spring (42), the lower pressing plate structure (3) comprises a lower pressing plate (31), the rear end of the lower pressing plate (31) is horizontally connected with the lower part of the rear seat (1), the lower pressing plate (31) is horizontally connected with the lower end of the rear seat (1), the lower plate (31) is horizontally connected with the lower plate (31), the lower plate is horizontally connected with the lower plate (31) through the lower plate (31) and the lower plate (31) through the lower plate structure, the lower fixing plate (51) is arranged above the lower pressing plate (31) in parallel, the front lower part of the lower fixing plate (51) is connected with the front upper part of the lower pressing plate (31) through a lower spring (52), the upper fixing plate (41) is parallel to the lower fixing plate (51), and the upper fixing plate (41) is arranged on the upper part of the lower fixing plate (51), so that an inserting gap (11) for inserting a patent mail seal is arranged between the upper fixing plate (41) and the lower fixing plate (51), the rear end of the upper fixing plate (41) and the rear end of the lower fixing plate (51) are fixedly connected with the rear seat (1) through a connecting seat (12), the middle position of the rear part of the upper fixing plate (41) is provided with an upper plate groove (43), the middle position of the rear part of the lower fixing plate (51) is provided with a lower plate groove (53), the middle position of the front end of the connecting seat (12) is provided with a travel groove (13), the front end of the travel groove (13) is communicated with the insertion gap (11), the rear end of the travel groove (13) is a blind end, the travel groove (13) is positioned between the upper fixing plate (41) and the lower fixing plate (51), the postal seal positioning structure (8) comprises a top block (81), a connecting frame (82), a rear spring (83), an upper vertical sliding rail (84) and a lower vertical sliding rail (85), the top block (81) is fixed in the middle of the connecting frame (82), the front end of the top block (81) is aligned with the gap (11), the rear half section of the connecting frame (82) is positioned in the travel groove (13), the connecting frame (82) can axially slide in the travel groove (13), the rear end of the connecting frame (82) is connected with the bottom of the travel groove (13) through the rear spring (83), the front end of the connecting frame (82) extends to the front upper part and the front lower part of the top block (81) from the upper part and the lower part of the top block (81) respectively beyond the top block (81), the upper vertical sliding rail (84) is fixedly connected to the upper part of the front end of the connecting frame (82), and the upper vertical sliding rail (84) is vertically arranged, the lower vertical sliding rail (85) is fixedly connected to the lower part of the front end of the connecting frame (82), the lower vertical sliding rail (85) is vertically arranged, the upper cutter structure (6) comprises an upper cutter seat (61) and an upper cutter (62), the upper cutter seat (61) is arranged on the upper vertical sliding rail (84), the upper cutter seat (61) and the upper vertical sliding rail (84) slide up and down and are in front-back limit fit, the upper cutter (62) is fixed at the lower end of the upper cutter seat (61), the cutter edge of the upper cutter (62) faces downwards and faces the insertion gap (11), the horizontal distance between the upper cutter (62) and the front end of the jacking block (81) is a fixed value, the upper pressing plate (21) and the upper plate groove (43) are correspondingly provided with an axial upper pressing plate sliding groove (22), the upper cutter seat (61) passes through the upper plate groove (43), the upper end of the upper cutter seat (61) is positioned in the upper pressing plate sliding groove (22) and can slide forwards and backwards in the upper pressing plate sliding groove (22), the lower cutter structure (7) comprises a lower cutter seat (71) and a lower cutter (72), the lower cutter seat (71) is arranged on a lower vertical sliding rail (85), the lower cutter seat (71) and the lower vertical sliding rail (85) slide upwards and downwards and are in front-back limit fit, the lower cutter seat (72) is fixed at the upper end of the lower cutter seat (71), the lower cutter (72) faces upwards and faces the inserting gap (11), the horizontal distance between the lower cutter seat (72) and the front end of the top block (81) is a fixed value, when the upper cutter seat (62) and the lower cutter seat (72) are pressed into the inserting gap (11) at the same time, the upper cutter seat (62) and the lower cutter seat (72) can be mutually cut off, the lower cutter seat (72) can be tightly inserted into the lower cutter seat (71) in a staggered mode, the lower cutter seat (71) and the lower cutter seat (71) is arranged at the position of the lower pressing plate (32) corresponding to the lower pressing plate (32) in the lower pressing plate (32), and can slide back and forth in the lower pressing plate chute (32); the cutter heads of the upper cutter (62) and the lower cutter (72) are both inclined cutter heads.
2. The patent mail seal quick release device of claim 1, wherein: the upper surface of the upper fixing plate (41) is provided with an upper spring fixing groove (44), and the lower end of the upper spring (42) stretches into the upper spring fixing groove (44) to be fixedly connected with the upper fixing plate (41).
3. The patent mail seal quick release device of claim 2, wherein: the lower surface of the lower fixing plate (51) is provided with a lower spring fixing groove (54), and the upper end of the lower spring (52) stretches into the lower spring fixing groove (54) to be fixedly connected with the lower fixing plate (51).
4. A patent mail seal quick release device as in claim 3, wherein: the upper fixing plate (41) is characterized in that a plurality of upper ball grooves are formed in the lower surface of the front end of the upper fixing plate, upper balls (45) are limited in the upper ball grooves, the upper balls (45) can roll in the upper ball grooves, the lower ends of the upper balls (45) extend out of the upper ball grooves, and the upper balls are located in the front of the insertion gap (11).
5. The patent mail seal quick release device of claim 4, wherein: the upper surface of the front end of the lower fixing plate (51) is provided with a plurality of lower ball grooves, lower balls (55) are limited in the lower ball grooves, the lower balls (55) can roll in the lower ball grooves, the upper ends of the lower balls (55) extend out of the lower ball grooves and are positioned at the front part of the insertion gap (11), the upper balls (45) and the lower balls (55) are symmetrically arranged, and the upper balls (45) and the lower balls (55) are matched, so that patent postal seals extending into the insertion gap (11) can be clamped, and the patent postal seals are in rolling friction fit with the upper fixing plate (41) and the lower fixing plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546574.1A CN110435344B (en) | 2019-06-24 | 2019-06-24 | Quick release device for patent mail seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546574.1A CN110435344B (en) | 2019-06-24 | 2019-06-24 | Quick release device for patent mail seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110435344A CN110435344A (en) | 2019-11-12 |
| CN110435344B true CN110435344B (en) | 2024-04-05 |
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ID=68428947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910546574.1A Active CN110435344B (en) | 2019-06-24 | 2019-06-24 | Quick release device for patent mail seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110435344B (en) |
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| DE856860C (en) * | 1947-12-15 | 1952-11-24 | George Albert Robinson | Device for opening letters |
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| CN110435344A (en) | 2019-11-12 |
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