CN215197995U

CN215197995U - Pressure glue gun with rotary gap eliminating device

Info

Publication number: CN215197995U
Application number: CN202120517300.2U
Authority: CN
Inventors: 张苏华; 沈卫东
Original assignee: Zhejiang Volcano Machinery Co ltd
Current assignee: Zhejiang Volcano Machinery Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-12-17
Anticipated expiration: 2031-03-11

Abstract

A glue gun with a rotary gap eliminating device comprises a gun body, a push rod, a push sheet, a push disc, a return spring, a trigger assembly, a glue containing device and a braking device, wherein the upper half part of the gun body is an installation part with a frame structure; the installation part is internally provided with a gap eliminating device linked with the pushing part, and when the gap eliminating device is positioned at a first position, the gap eliminating device props against the pushing part and pushes the pushing part to move forwards to further drive the propelling piece to incline forwards to eliminate the idle stroke between the propelling piece and the propelling rod; when the gap eliminating device is at the second position, the gap eliminating device is separated from the pushing part, the pushing sheet and the pushing part are pushed to move backwards under the action of the return spring, and the pushing sheet is perpendicular to the pushing rod.

Description

Pressure glue gun with rotary gap eliminating device

Technical Field

The utility model belongs to the technical field of the caulking gun, concretely relates to caulking gun who possesses rotatory crack device that disappears.

Background

The existing glue gun in the market mainly drives the pushing sheet through a trigger, and then drives the push rod and the pushing disc to extrude the glue in the glue cylinder to the surface of a constructed object. Because the propelling piece and the propelling rod are in clearance fit, the propelling piece generally has a certain idle stroke, namely when the trigger is pulled, the propelling piece needs to idle for a certain angle firstly to enable the propelling rod and the pushing disc to follow the action, the construction efficiency of the glue gun is reduced, the glue amount extruded by pulling the trigger once can not meet the expected requirement, and the times of pulling the trigger and the labor intensity are increased.

Disclosure of Invention

In order to solve the problems existing in the prior art, the utility model provides an eliminate propulsion piece idle stroke, make the operator pull the trigger at every turn and can both let the propulsion pole and push away the dish and obtain the response immediately, reduce intensity of labour's the caulking gun that possesses rotatory gap eliminating device.

The utility model adopts the technical proposal that:

a glue pressing gun with a rotary gap eliminating device comprises a gun body, a push rod, a push plate, a push disc, a reset spring, a trigger assembly, a glue containing device and a braking device, wherein the glue containing device is installed at the front part of the gun body, the upper half part of the gun body is an installation part of a frame structure, the trigger assembly is hinged with the installation part and is matched with a handle extending downwards at the rear part of the installation part to realize glue pressing action, the push plate is installed in the installation part and is pushed to move by the push part of the trigger assembly, the push rod penetrates from the rear end of the installation part to extend into the glue containing device through the push plate and the front end of the installation part, and the push disc is arranged at the front end of the push rod and is positioned in the glue containing device; the reset spring is sleeved on the pushing rod and arranged between the pushing sheet and the front end of the mounting part; the brake device is arranged at the rear end of the mounting part and sleeved on the push rod to brake the push rod; the method is characterized in that: the installation part is internally provided with a gap eliminating device linked with the pushing part, and when the gap eliminating device is positioned at a first position, the gap eliminating device props against the pushing part and pushes the pushing part to move forwards to further drive the propelling piece to tilt forwards to eliminate the idle stroke between the propelling piece and the propelling rod; when the gap eliminating device is located at the second position, the gap eliminating device is separated from the pushing part, the pushing sheet and the pushing part are pushed to move backwards under the action of the reset spring, and the pushing sheet is perpendicular to the pushing rod, so that the pushing rod can move conveniently to replace the rubber barrel.

Further, the anti-backlash device is a rotary anti-backlash device and comprises a seesaw rod, the seesaw rod is rotatably hinged to the mounting portion, one end of the seesaw rod can abut against or be separated from the pushing portion, the other end of the seesaw rod is provided with a pressing portion protruding outwards, and a reset piece is arranged between the seesaw rod and the mounting portion. The utility model discloses a pressing the splenium to make the seesaw rotatory, the one end and the promotion portion of seesaw are thrown off, are in this moment promote propulsion piece and promotion portion move backward under reset spring's effect, propulsion piece and propulsion pole mutually perpendicular, the propulsion pole of being convenient for removes to change glues the bucket. When the pressing force is cancelled, the seesaw rod rotates under the action of the reset piece, one end of the seesaw rod is abutted against the pushing part, and then the pushing part can be pushed to move forwards to further drive the propelling piece to tilt forwards so as to eliminate the idle stroke between the propelling piece and the propelling rod.

Furthermore, the seesaw rod is L-shaped, pin holes are formed in the corners of the seesaw rod, and the seesaw rod is hinged with the mounting portion through cylindrical pins in the pin holes.

Furthermore, the mounting part is provided with a containing groove for the seesaw to pass through, and hinged parts of the seesaw are vertically arranged on two sides of the containing groove; the long edge of the seesaw rod penetrates through the accommodating groove and is hinged with the hinged part through the cylindrical pin.

Further, the reset piece is an elastic torsion spring which is arranged between the upper part of the accommodating groove and the long edge of the seesaw in a compressed mode.

Furthermore, the long edge of the seesaw rod is provided with the mounting hole or the mounting groove of the elastic torsion spring, so that the elastic torsion spring can be conveniently mounted and fixed.

Or, the installation part is provided with an accommodating counter bore below the accommodating groove, the reset piece is an elastic pressure spring and is arranged between the accommodating counter bore and the short edge of the seesaw in a compressed mode, and manufacturing and assembling are facilitated.

Further, the lower right portion of the installation portion is vertically provided with a first pin hole, and the trigger assembly penetrates through the first pin hole through a first pin and is hinged with the gun body.

Furthermore, arresting gear includes braking pressure spring and braking plate, the braking plate wears to establish on the pushing ram, and its upper end can support with the rear end of installation department, braking pressure spring suit is located between braking plate and the installation department rear end on the pushing ram.

Furthermore, a first through hole and a second through hole for the push rod to penetrate are respectively arranged in the front and at the back of the middle part of the installation part in the horizontal direction.

The utility model has the advantages that: the gap eliminating device can effectively eliminate the idle stroke between the pushing sheet and the pushing rod, so that a user can enable the pushing rod and the pushing disc to be responded immediately by pulling the trigger each time, and the construction efficiency of the caulking gun is greatly improved.

Drawings

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

Fig. 2 is a perspective exploded view of a gap eliminating device according to a first embodiment of the present invention.

Fig. 3 is an enlarged partial cross-sectional view of the portion I of the caulking gun of fig. 1 in an advanced state.

Fig. 4 is a partially enlarged cross-sectional view of the portion I of the caulking gun in fig. 1 in a retreated state.

Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 6 is a perspective exploded view of a gap eliminating device according to a second embodiment of the present invention.

Fig. 7 is an enlarged partial cross-sectional view of the portion ii of the caulking gun of fig. 5 in a pushed state.

Fig. 8 is a partially enlarged cross-sectional view of the portion ii of the caulking gun in fig. 5 in a retreated state.

Fig. 9 is a schematic view of a seesaw of a third gap eliminating device according to the present invention.

Fig. 10 is a schematic view of a seesaw of a backlash eliminating apparatus according to a fourth embodiment of the present invention.

In the figure: the gun comprises a gun body 1, a first pin hole 11, a first through hole 12, a second through hole 13, a handle 14, a handle 15, a containing groove 16, a hinge part 17, a containing counter bore, a trigger component 2, a first pin 21, a second pin 22, a push disc 3, a push rod 4, a glue containing device 5, a reset spring 6, a push sheet 7, a brake compression spring 81, a brake plate 82, a rocker 91/91'/91 ', a pin hole 911, a press part 912, a torsion spring mounting hole 913', a 913' torsion spring mounting groove, a 92 cylindrical pin, an elastic compression spring 93 and an elastic torsion spring 93 '.

Detailed Description

The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1-4, the embodiment provides a caulking gun with a rotary gap eliminating device, which includes a gun body 1, a push rod 4, a push sheet 7, a push disc 3, a return spring 6, a trigger assembly 2, a glue containing device 5 and a braking device, wherein the glue containing device 5 is installed at the front part of the gun body 1, the upper half part of the gun body 1 is an installation part with a frame structure, the right lower part of the installation part is vertically provided with a first pin hole 11, and the trigger assembly 2 penetrates through the first pin hole 11 to be hinged with the gun body 1 and to be matched with a handle 14 extending downwards at the rear part of the installation part through a first pin 21 to realize caulking; a first through hole 12 and a second through hole 13 for the push rod 4 to penetrate through are respectively arranged in the front and at the back of the middle of the mounting part in the horizontal direction, the braking device comprises a braking pressure spring 81 and a braking plate 82, the braking pressure spring is arranged at the rear end of the mounting part of the frame structure and used for braking the push rod 4, the braking plate 82 penetrates through the push rod 4, the upper end of the braking pressure spring 81 can abut against the rear end of the mounting part, and the braking pressure spring 81 is sleeved on the push rod 4 and is positioned between the braking plate 82 and the rear end of the mounting part; a propelling piece 7 and a return spring 6 are arranged in the mounting part, the rear end face of the propelling piece 7 is propped against the pushing part of the trigger component 2, and the return spring 6 is sleeved on the propelling rod 4 and is arranged between the propelling piece 7 and the front end of the mounting part; the pushing rod 4 sequentially penetrates through the braking device, the second through hole 13, the pushing sheet 7, the reset spring 6 and the first through hole 12 from back to front and extends into the glue containing device 5, the pushing disc 3 is arranged at the front end of the pushing rod 4, a gap eliminating device linked with the pushing part is further arranged below the second through hole 13 of the mounting part of the gun body 1, and when the gap eliminating device is positioned at a first position, the gap eliminating device props against the pushing part and pushes the pushing part to move forwards to further drive the pushing sheet 7 to incline forwards so as to eliminate idle stroke between the pushing sheet 7 and the pushing rod 4; when the gap eliminating device is positioned at the second position, the gap eliminating device is separated from the pushing part, the pushing sheet 7 and the pushing part are pushed to move backwards under the action of the reset spring 6, the pushing sheet 7 is perpendicular to the pushing rod 4, and the pushing rod 4 can move conveniently to replace the rubber barrel. The pushing part in this embodiment is a second pin 22.

The backlash eliminating device in the embodiment is a rotary backlash eliminating device, and comprises an L-shaped seesaw 91, a pin hole 911 is formed in the corner of the seesaw 91, and the seesaw 91 is rotatably hinged on a mounting part through a cylindrical pin 92 at the pin hole 911. One end of the seesaw rod 91 can be abutted against or disengaged from the pushing part, the other end of the seesaw rod is provided with a pressing part 912 protruding outwards, and a resetting part is arranged between the seesaw rod 91 and the mounting part. The utility model discloses a pressing splenium 912 to make seesaw 91 rotatory according to pressing, the one end and the promotion portion of seesaw 91 throw off, are in this moment promote propulsion piece 7 and the retrogradation of promotion portion under reset spring 6's the effect, propulsion piece 7 and 4 mutually perpendicular of impulse lever, the push lever 4 of being convenient for remove and change gluey bucket. When the pressing force is cancelled, the seesaw rod 91 rotates under the action of the reset piece 93, one end of the seesaw rod 91 is abutted against the pushing part, and then the pushing part can be pushed to move forwards to further drive the propelling piece 7 to tilt forwards, so that the idle stroke between the propelling piece 7 and the propelling rod 4 is eliminated.

In this embodiment, the mounting portion is provided with a receiving groove 15 for the seesaw 91 to pass through, and two sides of the receiving groove 15 are vertically provided with hinge portions 16 of the seesaw 91; the long edge of the seesaw rod 91 passes through the accommodating groove 15 and is hinged with the hinge part 16 through the cylindrical pin 92; the installation part is provided with an accommodating counter bore 17 below the accommodating groove 15, the reset piece is an elastic pressure spring 93 which is arranged between the accommodating counter bore 17 and the short edge of the seesaw 91 in a compression mode, and manufacturing and assembling are facilitated. The cylindrical pin 92 is an elastic pin, so that assembly is facilitated.

The utility model discloses a crack device that disappears can effectively eliminate the idle stroke between propulsion piece 7 and the pushing ram 4, makes the user pull the trigger at every turn and can both let the pushing ram and push away the dish and obtain the response immediately, improves the efficiency of moulding gun construction greatly.

Example two

Referring to fig. 5 to 8, the present embodiment is different from the first embodiment in that: the restoring member of this embodiment is an elastic torsion spring 93' which is compressively disposed between the upper portion of the accommodating groove 15 and the long side of the seesaw 91, and is also easy to manufacture and install. The embodiment does not need to be provided with the accommodating counter bore. The elastic torsion spring 93' is sleeved on the cylindrical pin 92, and has one end abutting against the top of the accommodating groove 15 and one end abutting against the upper surface of the long side of the seesaw 91.

The remaining structure and function can be as described with reference to the first embodiment.

EXAMPLE III

Referring to fig. 9, the present embodiment is different from the second embodiment in that: in this embodiment, the long side of the seesaw rod 91' is provided with the torsion spring mounting hole 913 of the elastic torsion spring 93', that is, the elastic torsion spring 93' is sleeved on the cylindrical pin 92, one end of the elastic torsion spring is abutted to the top of the accommodating groove 15, and the other end of the elastic torsion spring is mounted in the torsion spring mounting hole 913 of the seesaw rod 91', so as to facilitate the mounting and fixing of the elastic torsion spring 93 '.

The rest of the structure and the functions can be described with reference to the second embodiment.

Example four

Referring to fig. 10, the present embodiment is different from the second embodiment in that: in this embodiment, the long side of the seesaw rod 91 ″ is provided with the torsion spring mounting groove 913' of the elastic torsion spring 93', that is, the elastic torsion spring 93' is sleeved on the cylindrical pin 92, one end of the elastic torsion spring is abutted to the top of the accommodating groove 15, and the other end of the elastic torsion spring is mounted in the torsion spring mounting groove 913' of the seesaw rod 91 ″ so as to facilitate the mounting and fixing of the elastic torsion spring 93 '.

Claims

1. A glue pressing gun with a rotary gap eliminating device comprises a gun body, a push rod, a push plate, a push disc, a reset spring, a trigger assembly, a glue containing device and a braking device, wherein the glue containing device is installed at the front part of the gun body, the upper half part of the gun body is an installation part of a frame structure, the trigger assembly is hinged with the installation part and is matched with a handle extending downwards at the rear part of the installation part to realize glue pressing action, the push plate is installed in the installation part and is pushed to move by the push part of the trigger assembly, the push rod penetrates from the rear end of the installation part to extend into the glue containing device through the push plate and the front end of the installation part, and the push disc is arranged at the front end of the push rod and is positioned in the glue containing device; the reset spring is sleeved on the pushing rod and arranged between the pushing sheet and the front end of the mounting part; the brake device is arranged at the rear end of the mounting part and sleeved on the push rod to brake the push rod; the method is characterized in that: the installation part is internally provided with a gap eliminating device linked with the pushing part, and when the gap eliminating device is positioned at a first position, the gap eliminating device props against the pushing part and pushes the pushing part to move forwards to further drive the propelling piece to tilt forwards to eliminate the idle stroke between the propelling piece and the propelling rod; when the gap eliminating device is located at the second position, the gap eliminating device is separated from the pushing part, the pushing sheet and the pushing part are pushed to move backwards under the action of the reset spring, and the pushing sheet is perpendicular to the pushing rod, so that the pushing rod can move conveniently to replace the rubber barrel.

2. The caulking gun with the rotary anti-backlash device according to claim 1, wherein: the clearance eliminating device is a rotary clearance eliminating device and comprises a seesaw rod, the seesaw rod is rotatably hinged to the mounting portion, one end of the seesaw rod can be abutted to or disengaged from the pushing portion, the other end of the seesaw rod is provided with a pressing portion protruding outwards, and a reset piece is arranged between the seesaw rod and the mounting portion.

3. The caulking gun with the rotary anti-backlash device according to claim 2, wherein: the seesaw rod is L-shaped, pin holes are formed in the corners of the seesaw rod, and the seesaw rod is hinged with the mounting portion through cylindrical pins in the pin holes.

4. The caulking gun with the rotary anti-backlash device according to claim 3, wherein: the installation part is provided with a containing groove for the seesaw to pass through, and hinged parts of the seesaw are vertically arranged on two sides of the containing groove; the long edge of the seesaw rod penetrates through the accommodating groove and is hinged with the hinged part through the cylindrical pin.

5. The caulking gun with the rotary anti-backlash device according to claim 4, wherein: the reset piece is an elastic torsion spring which is arranged between the upper part of the accommodating groove and the long edge of the seesaw in a compressed mode.

6. The caulking gun with the rotary anti-backlash device according to claim 5, wherein: and the long edge of the seesaw rod is provided with a mounting hole or a mounting groove of the elastic torsion spring.

7. The caulking gun with the rotary anti-backlash device according to claim 4, wherein: the installation department is provided with the holding counter bore in the below of storage tank, the piece that resets is the elasticity pressure spring, its compressed ground set up in between the minor face of holding counter bore and seesaw.

8. The caulking gun with the rotary anti-backlash device according to claim 1, wherein: the lower right portion of the installation portion is vertically provided with a first pin hole, and the trigger assembly penetrates through the first pin hole through a first pin and is hinged with the gun body.

9. The caulking gun with the rotary anti-backlash device according to claim 1, wherein: the brake device comprises a brake pressure spring and a brake plate, the brake plate is arranged on the push rod in a penetrating mode, the upper end of the brake plate can abut against the rear end of the installation part, and the brake pressure spring is sleeved on the push rod and located between the brake plate and the rear end of the installation part.

10. The caulking gun with the rotary anti-backlash device according to claim 1, wherein: and a first through hole and a second through hole for the penetration of the push rod are respectively arranged in the front and at the back of the middle part of the installation part in the horizontal direction.