CN220128990U - Manual bookbinding machine - Google Patents

Abstract

The utility model discloses a manual binding machine, which is characterized in that a linkage piece with a rack structure is fixedly arranged on a supporting rod, a connecting piece is slidably arranged on the supporting rod, a handle with a gear structure is rotatably arranged on the connecting piece, the handle moves along the rack structure through the gear structure to drive the connecting piece to move downwards relative to the supporting rod, a drilling tool is arranged on the connecting piece to synchronously move downwards along with the connecting piece so as to be capable of punching holes on binding objects, a rotating connection point of the handle and the connecting piece is a lever fulcrum, one side of the connecting piece is rotatably connected with a first gear, the other side of the connecting piece is rotatably connected with a second gear, and a drilling tool is arranged between the first gear and the second gear, so that the drilling tool is arranged at the lever fulcrum, and the labor saving efficiency of the punching movement of the manual binding machine is higher.

Description

Manual bookbinding machine

Technical Field

The utility model relates to the technical field of binding equipment, in particular to a manual binding machine.

Background

The binding machine is binding equipment for binding paper products, the binding machine is used for conveniently arranging materials such as bills, the binding machine is used in various working occasions such as finance and file management, the working efficiency is improved, the existing binding machine drives a drilling mechanism to move up and down mostly through a handle, and the drilling mechanism enables a drilling cutter to punch and bind on the paper products through moving up and down, for example, the publication number is: the utility model patent of CN104859335B discloses a binding machine, which comprises a binding machine base, a lower rivet head arranged on the binding machine base, a punching device and a riveting device arranged on the binding machine base, wherein the punching device comprises a punching support, a vertical sliding plate arranged on the punching support, a punching part fixed on the vertical sliding plate, a rotary driving mechanism for driving the vertical sliding plate to lift on the punching support, a pair of sliding grooves are arranged on the punching support, the vertical sliding plate is arranged in the sliding grooves, the rotary driving mechanism drives the vertical sliding plate to slide up and down, and the rotary driving mechanism comprises a punching rotating shaft arranged on the punching support, a punching torsion spring arranged on the punching rotating shaft, a punching gear bayonet arranged on the vertical sliding plate and matched with the punching gear and a punching handle fixed on the punching rotating shaft; the gear that punches is two, is located the both sides of punching torsional spring, and the pivot that punches articulates on punching the support, can rotate on punching the support. In this technical scheme, punch the handle atress after through the gear and punch the gear bayonet fitting of punching in order to drive the portion of punching down motion, the handle drive that punches the portion of punching rotates and utilizes lever principle in order to realize laborsaving purpose, and the pivot of punching is the lever supporting point, and the portion of punching is fixed on vertical slide and is not directly installed on the lever supporting point, so the laborsaving efficiency of the lever that this rotation driving mechanism formed is lower, uses comparatively laboriously to this book-binding machine structure is comparatively complicated.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a manual binding machine which has the advantages of simple structure and labor saving in use.

The utility model provides a manual binding machine which comprises a base and a supporting rod fixed on the base, wherein a connecting piece is arranged on the supporting rod and is in up-down sliding fit with the supporting rod, a rotating connecting part is arranged on the connecting piece, the rotating connecting part is rotationally connected with a handle, a linkage piece is arranged on the supporting rod, the linkage piece is provided with a rack structure, the handle is provided with a gear structure matched with the rack structure, and a drilling tool is arranged on the rotating connecting part.

According to the technical scheme, the supporting rod is fixed on the base, the linkage piece with the rack structure is fixedly arranged on the supporting rod, the connecting piece is slidably arranged on the supporting rod, the handle with the gear structure is rotatably arranged on the rotating connecting part of the connecting piece and is meshed with the rack structure through the gear structure, when the handle is subjected to downward pressing force, the linkage piece is fixedly arranged on the supporting rod and cannot move, the handle moves downwards relative to the supporting rod along the rack structure through the gear structure, the connecting piece is slidably arranged on the supporting rod, the connecting piece also moves downwards relative to the supporting rod under the action of the handle, the drilling tool is arranged on the connecting piece, and the drilling tool synchronously moves downwards along with the connecting piece so as to punch holes on paper products; the handle drive connecting piece is for the bracing piece motion utilizes lever principle, and the connecting piece rotates through rotating connecting portion with the handle to be connected, rotates connecting portion and is the fulcrum of this lever promptly, sets up the drill bit and is located and rotate connecting portion for the drill bit is installed in lever fulcrum department, because the linkage piece fixed mounting who has rack structure is unable to move on the bracing piece, and the fulcrum receives decurrent force in the whole lever this moment and is the highest, and the drilling motion of drill bit installation in lever fulcrum department can not consume original lever force, thereby makes the drilling motion comparatively laborsaving.

As an improvement, rack structure includes parallel relative first rack and second rack that sets up, gear structure includes parallel relative first gear and second gear, the one end and the first gear rotation of rotation connecting portion are connected, the other end and the second gear rotation of rotation connecting portion are connected, first gear and first rack meshing, second gear and second rack meshing, install the brill sword on the connecting piece, the brill sword is located between first gear and the second gear.

In this technical scheme, through setting up first gear and first rack meshing, second gear and second rack meshing for rack structure is more stable, efficiency is higher with gear structure's cooperation, through setting up the both ends of rotating connecting portion respectively with first gear, second gear rotation is connected, make to rotate connecting portion be located between first gear and the second gear, make first gear and second gear through rotating connecting portion can synchronous motion, the brill sword also is located between first gear and the second gear, rotate connecting portion and be lever fulcrum, the brill sword is installed and is made to punch the motion comparatively laborsaving on rotating connecting portion.

As an improvement, be provided with first installation department on the first gear, be provided with the second installation department on the second gear, the one end and the first installation department of rotation connecting portion rotate to be connected, the other end and the second installation department of rotation connecting portion rotate to be connected for the handle is installed on the connecting piece and can revolute the rotation connecting portion and rotate.

In this technical scheme, first gear rotates through first installation department and the one end of rotating connecting portion to be connected, and the second gear rotates through the second installation department and rotates the other end of connecting portion to be connected, and mounting structure is reliable and rotation efficiency is higher.

As an improvement, one end of the drill is mounted on the rotary connecting portion, and one end of the drill is located at the center of the rotary connecting portion.

In this technical scheme, set up the connecting piece and rotate through rotating connecting portion and connect first gear and second gear, then this rotation connecting portion just is the fulcrum of this lever, installs the brill sword on this rotation connecting portion to install the brill sword in the center department of rotation connecting portion, the user drives through the handle and bores the sword downward movement and punch the most stable and laborsaving this moment.

As an improvement, one end of the rotation connecting portion is sleeved with a first shaft sleeve, the rotation connecting portion is rotationally connected with the first installation portion through the first shaft sleeve, the other end of the rotation connecting portion is sleeved with a second shaft sleeve, and the rotation connecting portion is rotationally connected with the second installation portion through the second shaft sleeve.

In this technical scheme, set up the one end of rotating the connecting portion and rotate with first installation department through the first axle sleeve of suit and be connected for the rotation efficiency of rotating connecting portion and first gear is higher, and normal running fit is more reliable, sets up the other end of rotating the connecting portion and rotates with the second installation department through the second axle sleeve of suit to be connected, makes the rotation efficiency of rotating connecting portion and second gear higher, and normal running fit is more reliable.

As an improvement, the connecting piece is sleeved with the supporting rod, the connecting piece is provided with a limiting part, the linkage piece is positioned in the limiting part, and the connecting piece is matched with the linkage piece through the limiting part to realize sliding limiting when sliding on the supporting rod.

In this technical scheme, set up the connecting piece and cup joint with the bracing piece, make connecting piece and bracing piece can from top to bottom sliding fit through cup jointing, the linkage piece with rack structure is fixed in on the bracing piece, through set up spacing portion on the connecting piece, the connecting piece can dodge the linkage piece through spacing portion for the linkage piece and connecting piece are installed mutually noninterfere on the bracing piece, and, when the connecting piece slides from top to bottom at the bracing piece, can be to connecting piece slip spacing through the mutual butt cooperation of spacing portion and linkage piece, prevent that the connecting piece from breaking away from the bracing piece, the sliding fit of connecting piece and bracing piece is more reliable.

As an improvement, the handle comprises a first handle and a second handle, the first gear is arranged at the bottom of the first handle, the second gear is arranged at the bottom of the second handle, a connecting rod is arranged between the top of the first handle and the top of the second handle, and the first handle and the second handle realize synchronous movement through the connecting rod.

In the technical scheme, the handle driving connecting piece moves relative to the supporting rod by utilizing the lever principle, the distance from the position of the handle acted by the pressing force to the position of the meshing of the gear structure and the rack structure is a force arm, the longer the force arm is, the more labor is saved, the first gear is arranged at the bottom of the first handle, the second gear is arranged at the bottom of the second handle, the force arm of the lever is the length of the whole handle, the force arm reaches the maximum value, the use is more labor-saving, the connecting rod is arranged between the top of the first handle and the top of the second handle, the connecting rod is configured to be a force application position of a user, the user drives the handle to rotate to be labor-saving, the first handle and the second handle realize synchronous movement through the connecting rod, and the punching movement is more labor-saving.

As an improvement, the connecting piece is provided with a paper pressing mechanism, the paper pressing mechanism comprises a paper pressing table and a guide shaft, the paper pressing table is arranged at the bottom of the guide shaft, and the paper pressing table is connected with the connecting piece through the guide shaft.

According to the technical scheme, the paper pressing mechanism is arranged to press the bound objects on the base, so that the bound objects are not easy to shift, and punching is more accurate; the paper pressing mechanism comprises a paper pressing table and a guide shaft, the connecting piece is connected with the guide shaft, the paper pressing table is arranged at the bottom of the guide shaft, and when the connecting piece moves downwards, the paper pressing table can synchronously move downwards through the guide shaft, and the paper pressing mechanism presses bound objects on the base through the paper pressing table at the bottom, so that punching efficiency is improved.

As an improvement, the connecting piece is provided with a third installation part, the guide shaft is slidably installed in the third installation part, and the guide shaft is sleeved with an elastic piece.

In this technical scheme, install the guiding axle through setting up the third installation department in the connecting piece to make spare part installation distribution more reasonable, the volume influence to whole device is less, through the elastic component of suit on the guiding axle, make platen and binding thing can compress tightly, and when the connecting piece drives the brill sword and continues to punch downwards, make between platen and the base through the elastic component have cushioning effect, prevent platen and base holding-down force too big and damage platen or base, increase of service life.

As an improvement, the paper pressing table is C-shaped, and the bottom end of the drilling tool is arranged in the hollow part of the paper pressing table in a penetrating manner.

In this technical scheme, be C shape through setting up the platen, C shape platen can set up in the periphery of the bottom of boring the sword, bores the sword and passes when the cavity department of C shape platen acts on the binding thing, can compress tightly around waiting to punch through C shape platen, and it is more accurate to punch, and efficiency is higher.

According to the manual binding machine disclosed by the utility model, the linkage piece with the rack structure is fixedly arranged on the supporting rod, the connecting piece is slidably arranged on the supporting rod, the handle with the gear structure is rotatably arranged on the connecting piece, the handle moves along the rack structure through the gear structure to drive the connecting piece to move downwards relative to the supporting rod, the drill bit is arranged on the connecting piece to synchronously move downwards along with the connecting piece so as to be capable of punching holes on binding objects, the rotating connection point of the handle and the connecting piece is a lever fulcrum, one side of the connecting piece is rotatably connected with the first gear, the other side of the connecting piece is rotatably connected with the second gear, and the drill bit is arranged between the first gear and the second gear, so that the drill bit is arranged at the lever fulcrum, and the labor saving efficiency of the punching movement of the manual binding machine is higher.

Drawings

Fig. 1 is a schematic perspective view of a manual binding machine according to the present disclosure.

Fig. 2 is a schematic cross-sectional view of a manual binding machine according to the present disclosure.

Fig. 3 is an enlarged partial schematic view of fig. 2 a of the present disclosure.

Fig. 4 is a schematic cross-sectional view of another angle of a manual binding machine of the present disclosure.

Fig. 5 is an enlarged partial schematic view of fig. 4B of the present disclosure.

Fig. 6 is an exploded view of the handle, rotary joint and drill bit of the present disclosure.

Fig. 7 is a schematic diagram of a connection structure of a support rod, a connecting member, a linkage member, a drill and a paper pressing mechanism in the present disclosure.

Fig. 8 is a schematic perspective view of a connector according to the present disclosure.

Fig. 9 is a schematic perspective view of the support bar and linkage of the present disclosure.

The figure shows: 1. a base; 2. a support rod; 3. a connecting piece; 31. a rotary connection part; 311. a first sleeve; 312. a second sleeve; 32. a limit part; 33. a third mounting portion; 4. a linkage member; 41. a first rack; 42. a second rack; 5. a handle; 51. a first gear; 511. a first mounting portion; 52. a second gear; 521. a second mounting portion; 53. a first handle; 54. a second handle; 55. a connecting rod; 6. a drill; 7. a paper pressing mechanism; 71. a paper pressing table; 72. a guide shaft; 73. an elastic member.

Detailed Description

For a better understanding of the utility model, various aspects of the utility model will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the utility model and is not intended to limit the scope of the utility model in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size and shape of the object have been slightly exaggerated for convenience of explanation. The figures are merely examples and are not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "having," "including" and/or "having," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 9, the utility model discloses a manual binding machine, which comprises a base 1 and a support rod 2 fixed on the base 1, wherein a connecting piece 3 is installed on the support rod 2, the connecting piece 3 is in up-down sliding fit with the support rod 2, a rotating connecting part 31 is arranged on the connecting piece 3, a handle 5 is connected to the rotating connecting part 31, a linkage piece 4 is installed on the support rod 2, the linkage piece 4 is fixedly installed on the support rod 2 through bolts, the linkage piece 4 is provided with a rack structure, the handle 5 is provided with a gear structure matched with the rack structure, when the handle 5 is acted on by downward pressing force, the handle 5 moves downwards relative to the support rod 2 through the gear structure due to the fact that the linkage piece 4 is fixedly installed on the support rod 2, the connecting piece 3 is slidably installed on the support rod 2, the connecting piece 3 also moves downwards relative to the support rod 2 under the action of the handle 5, a drill 6 is installed on the connecting piece 3, and the drill 6 moves downwards synchronously along with the connecting piece 3 so as to punch holes on paper products.

More specifically, as shown in fig. 3, the drill bit 6 is mounted on the rotating connection portion 31, in this embodiment, the handle 5 drives the connection member 3 to move relative to the support rod 2 by using the lever principle, the connection member 3 is rotatably connected with the handle 5 through the rotating connection portion 31, the rotating connection portion 31 is the fulcrum of the lever, and the drill bit 6 is disposed on the rotating connection portion 31, so that the drill bit 6 is mounted at the fulcrum of the lever, and since the linkage member 4 with a rack structure is fixedly mounted on the support rod 2 and cannot move, the fulcrum in the whole lever is subjected to the downward force as the highest value, the original lever force is not consumed during the punching movement of the drill bit 6 mounted at the fulcrum of the lever, and the punching movement is most labor-saving.

As shown in fig. 9, the rack structure includes a first rack 41 and a second rack 42 which are disposed in parallel and opposite to each other, as shown in fig. 6, the gear structure includes a first gear 51 and a second gear 52 which are disposed in parallel and opposite to each other, one end of the rotary connecting portion 31 is rotationally connected to the first gear 51, the other end of the rotary connecting portion 31 is rotationally connected to the second gear 52, and the handle 5 is rotationally mounted on the rotary connecting portion 31 through the gear structure, so that the first gear 51 and the second gear 52 can synchronously move through the rotary connecting portion 31, as shown in fig. 3, the first gear 51 is meshed with the first rack 41, the second gear 52 is meshed with the second rack 42, so that the cooperation of the rack structure and the gear structure is more stable, the efficiency is higher, and the drill bit 6 is located between the first gear 51 and the second gear 52, so that punching movement is more labor-saving.

More specifically, as shown in fig. 3 and 6, the first gear 51 is provided with a first mounting portion 511, the first gear 51 is rotatably connected with one end of the rotation connection portion 31 through the first mounting portion 511, the second gear 52 is provided with a second mounting portion 521, the second gear 52 is rotatably connected with the other end of the rotation connection portion 31 through the second mounting portion 521, and the connection member 3 rotatably connects the first gear 51 and the second gear 52 through the rotation connection portion 31, so that the handle 5 is mounted on the connection member 3 and can rotate around the rotation connection portion 31, and the structure is simple and the rotation efficiency is higher.

More specifically, as shown in fig. 3, one end of the drill bit 6 is mounted on the rotating connection portion 31, one end of the drill bit 6 is located at the center of the rotating connection portion 31, the connecting piece 3 is provided to rotationally connect the first gear 51 and the second gear 52 through the rotating connection portion 31, then the rotating connection portion 31 is a fulcrum of the lever, the drill bit 6 is mounted on the rotating connection portion 31, and the drill bit 6 is mounted at the center of the rotating connection portion 31, at this time, the user drives the drill bit 6 to move downwards through the handle 5 to punch holes most stably and with less effort.

More specifically, as shown in fig. 6, one end of the rotation connection portion 31 is sleeved with the first shaft sleeve 311, one end of the rotation connection portion 31 is provided with the first shaft sleeve 311 to be rotationally connected with the first installation portion 511, so that the rotation efficiency of the rotation connection portion 31 and the first gear 51 is higher, the rotation fit is more reliable, the other end of the rotation connection portion 31 is sleeved with the second shaft sleeve 312, the other end of the rotation connection portion 31 is provided with the second shaft sleeve 312 to be rotationally connected with the second installation portion 521, and the rotation efficiency of the rotation connection portion 31 and the second gear 52 is higher, and the rotation fit is more reliable.

More specifically, as shown in fig. 4 and 7, the connecting piece 3 is sleeved with the supporting rod 2, the connecting piece 3 is provided with a limiting part 32, the linkage piece 4 is located in the limiting part 32, sliding limitation is achieved through cooperation of the limiting part 32 and the linkage piece 4 when the connecting piece 3 slides on the supporting rod 2, the connecting piece 3 and the supporting rod 2 can be in up-down sliding fit through the sleeved connection, the linkage piece 4 with a rack structure is fixed on the supporting rod 2, the limiting part 32 is arranged on the connecting piece 3, in this embodiment, the limiting part 32 is an open slot structure arranged on the connecting piece 3, the linkage piece 4 can be avoided through the limiting part 32, the linkage piece 4 and the connecting piece 3 are installed on the supporting rod 2 and do not interfere with each other, and when the connecting piece 3 slides up and down on the supporting rod 2, the connecting piece 3 can be limited in a sliding manner through mutual abutting fit of the limiting part 32 and the linkage piece 4, the connecting piece 3 is prevented from being separated from the supporting rod 2, and the sliding fit of the connecting piece 3 and the supporting rod 2 is more reliable.

More specifically, as shown in fig. 1 and 6, the handle 5 includes a first handle 53 and a second handle 54, the first gear 51 is disposed at the bottom of the first handle 53, the second gear 52 is disposed at the bottom of the second handle 54, a connecting rod 55 is disposed between the top of the first handle 53 and the top of the second handle 54, the first handle 53 and the second handle 54 implement synchronous movement through the connecting rod 55, the handle 5 drives the connecting piece 3 to move relative to the support rod 2 by using the lever principle, the distance between the position where the handle 5 is acted by the pressing force and the position where the gear structure is meshed with the rack structure is the moment arm, the longer the moment arm is, the more effort is saved, the moment arm of the lever is the length of the whole handle 5 by disposing the first gear 51 at the bottom of the first handle 53 and the second gear 52 at the bottom of the second handle 54, the moment arm of the maximum value is reached, the connecting rod 55 is disposed between the top of the first handle 53 and the top of the second handle 54, the connecting rod 55 is configured as a force applying position for the user to rotate the handle 5, and the user drives the handle 5 to move synchronously through the connecting rod 55 and the second handle 54 is perforated. It should be noted that, in the present embodiment, the first handle 53 and the first gear 51 are integrally formed, the second handle 54 and the second gear 52 are integrally formed, so that the transmission efficiency is higher, however, the first handle 53 and the first gear 51 may be a split type structure, and the second handle 54 and the second gear 52 may be a split type structure.

More specifically, as shown in fig. 1 and 7, the paper pressing mechanism 7 is installed on the connecting piece 3, and the paper pressing mechanism 7 is arranged to press the bound objects on the base 1, so that the bound objects are not easy to shift, and the punching is more accurate; the paper pressing mechanism 7 comprises a paper pressing table 71 and a guide shaft 72, the paper pressing table 71 is arranged at the bottom of the guide shaft 72, the paper pressing table 71 is connected with the connecting piece 3 through the guide shaft 72, when the connecting piece 3 moves downwards, the paper pressing table 71 can synchronously move downwards through the guide shaft 72, and the paper pressing mechanism 7 presses bound objects on the base 1 through the paper pressing table 71 at the bottom so as to improve punching efficiency; the paper pressing table 71 is C-shaped, the bottom end of the drill knife 6 penetrates through the hollow part of the paper pressing table 71, the C-shaped paper pressing table 71 can be arranged on the periphery of the bottom end of the drill knife 6, and when the drill knife 6 penetrates through the hollow part of the C-shaped paper pressing table 71 to act on binding objects, the periphery to be punched can be pressed through the C-shaped paper pressing table 71, so that punching is more accurate and efficiency is higher.

More specifically, as shown in fig. 5 and 8, the connecting piece 3 is provided with a third installation part 33, the guide shaft 72 is slidably installed in the third installation part 33, so that the installation and distribution of parts are more reasonable, the influence on the volume of the whole device is smaller, the guide shaft 72 is sleeved with an elastic piece 73, so that the paper pressing table 71 and a binding object can be pressed, and when the connecting piece 3 drives the drill 6 to continuously punch downwards, a buffer effect is provided between the paper pressing table 71 and the base 1 through the elastic piece 73, the guide shaft 72 has a space for moving upwards, the paper pressing table 71 and the base 1 are prevented from being damaged due to overlarge pressing force, and the service life is prolonged.

According to the manual binding machine, the linkage piece 4 with the rack structure is fixedly arranged on the supporting rod 2, the connecting piece 3 is slidably arranged on the supporting rod 2, the handle 5 with the gear structure is rotatably arranged on the connecting piece 3, the handle 5 moves along the rack structure through the gear structure to drive the connecting piece 3 to move downwards relative to the supporting rod 2, the drilling tool 6 is arranged on the connecting piece 3 to synchronously move downwards along with the connecting piece 3 so as to punch holes on bound objects, the rotating connection point of the handle 5 and the connecting piece 3 is a lever fulcrum, one side of the connecting piece 3 is rotatably connected with the first gear 51, the other side of the connecting piece 3 is rotatably connected with the second gear 52, and the drilling tool 6 is arranged between the first gear 51 and the second gear 52, so that the drilling tool 6 is arranged at the lever fulcrum, and the labor saving efficiency of the punching movement of the manual binding machine is high.

The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.

Claims (10)

1. The utility model provides a manual book-binding machine, includes base (1) and bracing piece (2) on being fixed in base (1), a serial communication port, install connecting piece (3) on bracing piece (2), sliding fit about connecting piece (3) and bracing piece (2), be provided with on connecting piece (3) and rotate connecting portion (31), rotate connecting portion (31) and rotate and be connected with handle (5), install linkage (4) on bracing piece (2), linkage (4) are provided with rack structure, handle (5) are provided with the gear structure with rack structure adaptation, install on rotating connecting portion (31) and bore sword (6).

2. The manual binding machine according to claim 1, wherein the rack structure comprises a first rack (41) and a second rack (42) which are arranged in parallel and opposite, the gear structure comprises a first gear (51) and a second gear (52) which are arranged in parallel and opposite, one end of the rotary connecting part (31) is rotationally connected with the first gear (51), the other end of the rotary connecting part (31) is rotationally connected with the second gear (52), the first gear (51) is meshed with the first rack (41), the second gear (52) is meshed with the second rack (42), and the drill (6) is located between the first gear (51) and the second gear (52).

3. The manual binding machine according to claim 2, wherein a first mounting portion (511) is provided on the first gear (51), a second mounting portion (521) is provided on the second gear (52), one end of the rotation connecting portion (31) is rotatably connected with the first mounting portion (511), and the other end of the rotation connecting portion (31) is rotatably connected with the second mounting portion (521), so that the handle (5) is mounted on the connecting member (3) and can rotate around the rotation connecting portion (31).

4. A manual binding machine according to claim 3, characterized in that one end of the drill (6) is mounted on the rotary connection (31), one end of the drill (6) being located in the centre of the rotary connection (31).

5. A manual binding machine according to claim 3, wherein one end of the rotary connecting portion (31) is sleeved with a first shaft sleeve (311), the rotary connecting portion (31) is rotatably connected with the first mounting portion (511) through the first shaft sleeve (311), the other end of the rotary connecting portion (31) is sleeved with a second shaft sleeve (312), and the rotary connecting portion (31) is rotatably connected with the second mounting portion (521) through the second shaft sleeve (312).

6. The manual binding machine according to claim 1, wherein the connecting piece (3) is sleeved with the supporting rod (2), the connecting piece (3) is provided with a limiting part (32), the linkage piece (4) is located in the limiting part (32), and the connecting piece (3) is matched with the linkage piece (4) through the limiting part (32) to realize sliding limiting when sliding on the supporting rod (2).

7. The manual binding machine according to claim 2, wherein the handle (5) comprises a first handle (53) and a second handle (54), the first gear (51) is arranged at the bottom of the first handle (53), the second gear (52) is arranged at the bottom of the second handle (54), a connecting rod (55) is arranged between the top of the first handle (53) and the top of the second handle (54), and the first handle (53) and the second handle (54) realize synchronous movement through the connecting rod (55).

8. The manual binding machine according to claim 1, wherein the connecting piece (3) is provided with a paper pressing mechanism (7), the paper pressing mechanism (7) comprises a paper pressing table (71) and a guide shaft (72), the paper pressing table (71) is arranged at the bottom of the guide shaft (72), and the paper pressing table (71) is connected with the connecting piece (3) through the guide shaft (72).

9. The manual binding machine according to claim 8, wherein the connecting piece (3) is provided with a third mounting portion (33), the guide shaft (72) is slidably mounted in the third mounting portion (33), and the guide shaft (72) is sleeved with an elastic piece (73).

10. The manual binding machine according to claim 8, wherein the paper pressing table (71) is C-shaped, and the bottom end of the drill (6) is arranged in a hollow part of the paper pressing table (71) in a penetrating manner.