CN211707296U

CN211707296U - Anti-blocking pneumatic glue gun

Info

Publication number: CN211707296U
Application number: CN201921856219.6U
Authority: CN
Inventors: 王录军
Original assignee: Shanghai Oukan Electronic Technology Co ltd
Current assignee: Shanghai Oukan Electronic Technology Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-10-20
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses an anti-blocking pneumatic glue gun, which comprises a main handle body and a gun body, wherein the gun body is arranged above the main handle body, an air inlet pipe is welded on the outer surface of the lower end of the main handle body, a first mounting seat is fixedly arranged on the outer surface of the front end of the main handle body close to the lower end, a second mounting seat is fixedly arranged on the outer surface of the front end of the main handle body close to the upper end, and a hand restraining belt is arranged between the first mounting seat and the second mounting seat; a third mounting seat is welded on the outer surface of one side of the main handle body close to the upper end, an air inlet switch is connected with a rotating shaft between every two adjacent third mounting seats, and a gas conveying pipe is fixedly mounted on the outer surface of the other side of the main handle body; the utility model has the advantages that: the anti-blocking effect is better, and meanwhile, a user can conveniently clean the blocking object, so that the pneumatic glue gun is more convenient to use.

Description

Anti-blocking pneumatic glue gun

Technical Field

The utility model relates to a pneumatic gluey rifle specifically is an anti-blocking formula pneumatic gluey rifle and prevents blockking up method thereof, belongs to pneumatic gluey rifle technical field.

Background

The Chinese patent with the publication number of CN107029956B discloses a direct current pneumatic glue gun which is portable in use, and comprises a shell and a glue pipe sleeve for mounting a glue pipe, and is characterized in that an air pump, a first air inlet control assembly and a direct current power supply are fixedly arranged in the shell, the air pump is electrically connected with the direct current power supply, the air pump is communicated with the first air inlet control assembly through a first air pipe, a connecting seat is fixedly sealed on the glue pipe sleeve, the connecting seat is detachably connected with the shell, a second air inlet control assembly is fixedly arranged in the connecting seat, the first air inlet control assembly is communicated with the second air inlet control assembly through a second air pipe, and the second air inlet control assembly is communicated with the glue pipe sleeve through a third air pipe; the direct current pneumatic glue gun has the advantages that the direct current pneumatic glue gun is small and portable, can be carried about, and has no limit on the use distance; the connecting seat can be detached from the shell, and the air inlet and the air outlet of the rubber pipe sleeve can be independently controlled through the second air inlet control assembly on the connecting seat, so that the operation of glass cement beating is realized, and the pneumatic rubber gun is more convenient to use; but the anti-blocking effect is poor, and the blockage is very inconvenient to remove.

When current pneumatic gluey rifle is using, the glue raw materials when entering into gluey rifle in, the inside particulate matter that exists of raw materials causes pneumatic gluey rifle to block up easily, has influenced the real use of pneumatic gluey rifle, simultaneously, current pneumatic gluey rifle is when using, and it is less to go out the jiao kou, blocks up easily, and the user clears up the very trouble of jam, has brought certain influence for the use of pneumatic gluey rifle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at is just in order to solve current pneumatic gluey rifle when using, the glue raw materials is when entering into gluey rifle, there is the particulate matter inside the raw materials, cause pneumatic gluey rifle to block up easily, the real use of pneumatic gluey rifle has been influenced, and simultaneously, current pneumatic gluey rifle is when using, it is less to go out the jiao kou, block up easily, user's clearance stopper trouble very, the problem of certain influence has been brought for the use of pneumatic gluey rifle, and provide an anti-blocking pneumatic gluey rifle and prevent blockking up the method.

The purpose of the utility model can be realized by the following technical scheme:

an anti-blocking pneumatic glue gun comprises a main handle body and a gun body, wherein the gun body is arranged above the main handle body, an air inlet pipe is welded on the outer surface of the lower end of the main handle body, a first mounting seat is fixedly mounted on the outer surface of the front end of the main handle body, which is close to the lower end, a second mounting seat is fixedly mounted on the outer surface of the front end of the main handle body, which is close to the upper end, and a hand binding belt is arranged between the first mounting seat and the second mounting seat;

the air inlet switch is connected with a rotating shaft between two adjacent third mounting seats, the outer surface of the other side of the main handle body is fixedly provided with an air pipe, the inside of the main handle body is fixedly provided with an air duct, the inside of the air duct penetrates through a sealing plug, one end of the sealing plug is fixedly connected with the air inlet switch, and the air pipe and the air inlet pipe are both communicated with the air duct;

the outer surface of the upper end of the main handle body is fixedly provided with a fixed sleeve, the gun body is inserted into the fixed sleeve, one end of the gun body is in threaded connection with a connecting sleeve, one end of the gas transmission pipe, which is far away from the main handle body, is inserted into the connecting sleeve, the outer surface of the upper end of the gun body is welded with a feeding pipe, a filter element is arranged in the feeding pipe, and the other end of the gun body is in threaded connection with a rubber outlet pipe;

the rubber tube outlet device is characterized in that the rubber tube outlet device comprises a first tube body, a second tube body and a connecting tube, the connecting tube is arranged between the first tube body and the second tube body and is welded with the second tube body, a threaded tube is welded on the outer surface of the first tube body and is in threaded connection with the connecting tube, a sealing ring is fixedly arranged on the inner wall of the connecting tube, a limiting hole is formed in the outer surface of the upper end of the connecting tube, and a limiting pin is connected to the inner thread of the limiting hole.

The fixing device is characterized in that the outer surface of the upper end of the fixing sleeve is provided with a connecting hole, the inner part of the connecting hole is in threaded connection with the fixing rotary handle, the inner top end of the fixing sleeve is provided with an upper fixing clamp, the outer surface of the upper end of the upper fixing clamp is welded with a connecting column, the bottom end of the inner part of the fixing sleeve is welded with a fixing column, and the outer surface of the upper end of the fixing column is fixedly provided with a.

The lower end of the fixed rotating handle is inserted into the connecting column, a limiting groove is formed in the inner surface of the connecting column, a limiting block is arranged in the limiting groove, and the limiting block is connected with the lower end of the fixed rotating handle in a welding mode.

Further, the upper fixing clip and the lower fixing clip are symmetrically arranged, and the outer surface of the lower end of the upper fixing clip and the outer surface of the upper end of the lower fixing clip are respectively connected with a rubber cushion.

The hand-binding belt is characterized in that a first mounting groove is formed in the first mounting seat, a second mounting groove is formed in the second mounting seat, a first mounting block is fixedly mounted at the upper end of the hand-binding belt, a second mounting block is fixedly mounted at the lower end of the hand-binding belt, the first mounting block is connected to the second mounting groove in a pin mode, and the second mounting block is connected to the first mounting groove in a clamping mode.

The front end outer surface rotating shaft of the first mounting seat is connected with a fixed pressing plate, and the lower end outer surface of the fixed pressing plate is fixedly provided with a fixed clamping tooth.

Further lie in, the inside top threaded connection of inlet pipe has the closing cap, the outer surface welding of the upper end of closing cap has the dismantlement handle, the inside of crossing the filter core has run through supplementary dismantlement post, supplementary dismantlement hole has been seted up to the lower extreme surface of closing cap, supplementary dismantlement hole and supplementary dismantlement post phase-match.

Further, the outer surface of the main handle body is provided with finger grooves, the number of the finger grooves is at least three, and the finger grooves are arranged at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when raw materials are injected into the gun body, the disassembly handle is required to be used for pulling out the sealing cover on the feeding pipe, the sealing cover is taken out from the feeding pipe, after the sealing cover is taken down, glue raw materials are poured into the feeding pipe, after the glue raw materials enter the feeding pipe, the filter core in the feeding pipe can filter the glue raw materials, the filter core can filter particles in the glue raw materials, the glue raw materials after the particles are filtered out can flow into the gun body, the design can effectively reduce the situation that the glue gun is blocked due to the residual particles in the glue, the anti-blocking effect of the glue gun is better, meanwhile, after the glue enters the gun body, the disassembly handle is continuously used for rotating the sealing cover on the feeding pipe, so that the sealing cover is pressed down, the sealing cover is rotated and pressed down, and the upper end of the auxiliary disassembly column penetrating through the interior of the filter core is screwed into the auxiliary disassembly hole formed in the outer surface of the lower end of the sealing, the utility model discloses a filter element is convenient for the user to change filter element, and the particulate matter of having avoided the filter element filtering and the situation emergence of the feeding that glue solidification leads to have avoided the filter element filtering, lets this use convenience more of gluing the rifle.

2. When the glue outlet pipe is blocked, the first pipe body is rotated anticlockwise to unscrew the first pipe body from the connecting pipe on the second pipe body, after the first pipe body is unscrewed, the blockage in the second pipe body is immediately cleaned directly, after the blockage is cleaned up, a user can continue to use the glue gun by rotating the first pipe body back to the connecting pipe on the second pipe body, the blockage can be cleaned conveniently by the user due to the arrangement of the structure, the condition that the glue gun cannot be used due to blockage of the glue outlet pipe is effectively reduced, and the anti-blocking effect of the glue gun is enhanced from another aspect.

3. Put into the inside back of fixed cover with the rifle body, the fixing clip can hold up the rifle body down, the user rotates fixed swing handle again, the lower extreme of fixed swing handle is installed in the spacing groove in the fixed column, stopper on the fixed swing handle can prevent that fixed swing handle from droing, the setting of this kind of structure can let when fixed swing handle is rotatory simultaneously, let go up the fixing clip irrotational, the fixing clip pushes down the fixing clip and fixes the rifle body on the fixed swing handle top, it gets up the fixing clip with the fixing clip is stable with the rifle body down, can prevent that this gluey rifle from rocking in the use, the skew situation of glue position that leads to takes place, let this use of gluing the rifle experience better.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is an internal view of the main handle body of the present invention;

FIG. 3 is a view of the installation structure of the hand strap of the present invention;

fig. 4 is a structural view of a first mounting base of the present invention;

fig. 5 is an overall structural view of the fixing sleeve of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5 according to the present invention;

FIG. 7 is a view showing the internal structure of the feeding tube of the present invention;

FIG. 8 is a view of the glue dispensing tube of the present invention;

fig. 9 is an enlarged view of the present invention at B in fig. 8.

In the figure: 1. a main handle body; 2. a gun body; 3. an air inlet pipe; 4. a first mounting seat; 401. a first mounting groove; 402. fixing the pressing plate; 403. fixing the latch; 5. a hand-tying belt; 501. a first mounting block; 502. a second mounting block; 6. a second mounting seat; 601. a second mounting groove; 7. a third mounting seat; 8. an air inlet switch; 9. a gas delivery pipe; 10. an air duct; 11. a sealing plug; 12. fixing a sleeve; 121. connecting holes; 122. fixing the rotary handle; 123. an upper fixing clip; 124. connecting columns; 125. fixing a column; 126. a lower fixing clip; 127. a rubber cushion; 128. a limiting groove; 129. a limiting block; 13. connecting a sleeve; 14. a feed pipe; 141. sealing the cover; 142. disassembling the handle; 143. a filter element; 144. auxiliary column disassembly; 145. auxiliary dismounting holes; 15. discharging the rubber tube; 151. a first pipe body; 152. a second tube body; 153. a connecting pipe; 154. a threaded pipe; 155. a seal ring; 156. a limiting hole; 157. and a limiting pin.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-9, an anti-clogging pneumatic glue gun and an anti-clogging method thereof comprise a main handle body 1 and a gun body 2, wherein the gun body 2 is arranged above the main handle body 1, an air inlet pipe 3 is welded on the outer surface of the lower end of the main handle body 1, a first mounting seat 4 is fixedly arranged on the outer surface of the front end of the main handle body 1 near the lower end, a second mounting seat 6 is fixedly arranged on the outer surface of the front end of the main handle body 1 near the upper end, a hand restraining belt 5 is arranged between the first mounting seat 4 and the second mounting seat 6, the hand restraining belt 5 can prevent a user from sliding when using the glue gun, a first mounting groove 401 is arranged inside the first mounting seat 4, a second mounting groove 601 is arranged inside the second mounting seat 6, a first mounting block 501 is fixedly arranged at the upper end of the hand restraining belt 5, a second mounting block 502 is fixedly arranged at the lower end of the hand restraining belt 5, the first mounting block 501 is pinned inside the second mounting groove 601, the second mounting block 502 is clamped in the first mounting groove 401, the rotating shaft of the outer surface of the front end of the first mounting seat 4 is connected with the fixed pressing plate 402, the outer surface of the lower end of the fixed pressing plate 402 is fixedly provided with a fixed latch 403, and the fixed latch 403 can clamp the second mounting block 502;

the outer surface of one side of the main handle body 1 is welded with third mounting seats 7 near the upper end, a rotating shaft between every two adjacent third mounting seats 7 is connected with an air inlet switch 8, the outer surface of the other side of the main handle body 1 is fixedly provided with an air pipe 9, an air duct 10 is fixedly arranged in the main handle body 1, a sealing plug 11 penetrates through the air duct 10, one end of the sealing plug 11 is fixedly connected with the air inlet switch 8, and the air pipe 9 and the air inlet pipe 3 are both communicated with the air duct 10;

the outer surface of the upper end of the main handle body 1 is fixedly provided with a fixed sleeve 12, the gun body 2 is inserted into the fixed sleeve 12, the outer surface of the upper end of the fixed sleeve 12 is provided with a connecting hole 121, the inner part of the connecting hole 121 is connected with a fixed rotary handle 122 in a threaded manner, the top end of the inner part of the fixed sleeve 12 is provided with an upper fixed clamp 123, the outer surface of the upper end of the upper fixed clamp 123 is welded with a connecting column 124, the bottom end of the inner part of the fixed sleeve 12 is welded with a fixed column 125, the outer surface of the upper end of the fixed rotary handle 125 is fixedly provided with a lower fixed clamp 126, the lower end of the fixed rotary handle 122 is inserted into the connecting column 124, the inner surface of the connecting column 124 is provided with a limit groove 128, the inner part of the limit groove 128 is provided with a limit block 129, the limit block 129 is welded with the, the rubber cushion 127 plays a role of protection;

one end of the gun body 2 is in threaded connection with a connecting sleeve 13, one end of the gas transmission pipe 9, which is far away from the main handle body 1, is inserted into the connecting sleeve 13, the outer surface of the upper end of the gun body 2 is welded with a feeding pipe 14, a filter element 143 is arranged in the feeding pipe 14, and the other end of the gun body 2 is in threaded connection with a rubber outlet pipe 15;

there is out rubber tube 15 including first body 151, second body 152 and connecting pipe 153, connecting pipe 153 sets up the position between first body 151 and second body 152, and connecting pipe 153 and second body 152 welded connection, the outer skin weld of first body 151 has screwed pipe 154, screwed pipe 154 has played the effect of connecting, screwed pipe 154 and connecting pipe 153 threaded connection, the inner wall fixed mounting of connecting pipe 153 has sealing washer 155, spacing hole 156 has been seted up to the upper end surface of connecting pipe 153, the inside threaded connection of spacing hole 156 has spacer pin 157.

The top end of the interior of the feeding pipe 14 is connected with a sealing cover 141 by screw threads, the outer surface of the upper end of the sealing cover 141 is welded with a disassembling handle 142, an auxiliary disassembling column 144 penetrates through the interior of the filter element 143, an auxiliary disassembling hole 145 is formed in the outer surface of the lower end of the sealing cover 141, and the auxiliary disassembling hole 145 is matched with the auxiliary disassembling column 144.

The outer surface of the main handle body 1 is provided with finger grooves, the number of the finger grooves is at least three, and the finger grooves are arranged at equal intervals.

An anti-blocking method of an anti-blocking type pneumatic glue gun comprises the following steps:

the method comprises the following steps: before the raw materials are injected into the gun body 2, filtering the glue by using filtering equipment, filtering out large particles condensed in the glue through a filtering device, and conveying the glue with the particles removed to the gun body 2;

step two: when injecting the raw material into the gun body 2, the cover 141 on the feeding pipe 14 needs to be pulled out by using the disassembling handle 142, the cover 141 is taken out from the feeding pipe 14, and after the cover 141 is taken off, the glue raw material is poured into the feeding pipe 14;

step three: after the glue raw material enters the feeding pipe 14, the filter core 143 in the feeding pipe 14 filters the glue raw material, the filter core 143 filters particles in the glue raw material, and the glue raw material from which the particles are filtered flows into the gun body 2;

step four: after the glue enters the gun body 2, the disassembling handle 142 is continuously used for rotating the sealing cover 141 on the feeding pipe 14, so that the sealing cover 141 is pressed downwards, the sealing cover 141 is rotated and pressed downwards, the upper end of the auxiliary disassembling column 144 penetrating through the interior of the filter element 143 is screwed into the auxiliary disassembling hole 145 formed in the outer surface of the lower end of the sealing cover 141, then the disassembling handle 142 is used for pulling out the sealing cover 141, and the filter element 143 can be taken out of the feeding pipe 14 through the auxiliary disassembling column 144 when the sealing cover 141 is pulled out;

step five: when the glue outlet pipe 15 is blocked, the first pipe 151 is rotated counterclockwise to unscrew the first pipe 151 from the connecting pipe 153 on the second pipe 152, after the first pipe 151 is unscrewed, the blockage in the second pipe 152 is immediately cleaned, and after the blockage is cleaned, the user rotates the first pipe 151 back to the connecting pipe 153 on the second pipe 152 to continue using the glue gun.

When the utility model is used, the air inlet pipe 3 is connected with an external air pump, when raw materials are injected into the gun body 2, the disassembly handle 142 is needed to be used to pull out the sealing cover 141 on the inlet pipe 14, the sealing cover 141 is taken out from the inlet pipe 14, after the sealing cover 141 is taken down, glue raw materials are poured into the inlet pipe 14, after the glue raw materials enter the inlet pipe 14, the filter core 143 in the inlet pipe 14 can filter the glue raw materials, the filter core 143 filters off particles in the glue raw materials, the glue raw materials after the particles are filtered off can flow into the gun body 2, the design can effectively reduce the situation that the glue gun is blocked due to the particles remained in the glue, the anti-blocking effect of the glue gun is better, after the glue is injected, a user presses the air inlet switch 8, the air inlet switch 8 pulls the sealing plug 11 outwards, so that the air enters the air conveying pipe 9 through the air guide pipe 10, meanwhile, after the glue enters the gun body 2, the disassembly handle 142 is continuously used for rotating the sealing cover 141 on the feeding pipe 14, so that the sealing cover 141 is pressed downwards, the sealing cover 141 is rotated and pressed downwards, so that the upper end of the auxiliary disassembly column 144 penetrating through the inside of the filter element 143 is screwed into the auxiliary disassembly hole 145 formed in the outer surface of the lower end of the sealing cover 141, then the disassembly handle 142 is used for pulling out the sealing cover 141, the filter element 143 can be taken out of the feeding pipe 14 through the auxiliary disassembly column 144 when the sealing cover 141 is pulled out, the design of the structure is convenient for a user to replace the filter element 143, the feeding condition caused by solidification of particles filtered by the filter element 143 and the glue is avoided, the use of the glue gun is more convenient, when the glue outlet pipe 15 is blocked, the first pipe body 151 is rotated anticlockwise to be screwed out from the first pipe body 151 on the second pipe body 152, and after the first pipe body 151 is screwed out, the blocking objects in the second pipe body 152 are directly cleaned, after clearing the blockage, the user can continue to use the glue gun by screwing the first tube 151 back to the connecting tube 153 on the second tube 152, the arrangement of the structure can facilitate the user to clear the blockage, effectively reduce the occurrence of the condition that the glue gun cannot be used due to the blockage of the glue tube 15, enhance the anti-blocking effect of the glue gun from the other aspect, after the gun body 2 is placed into the fixed sleeve 12, the lower fixing clip 126 can support the gun body 2, the user can rotate the fixed rotary handle 122 again, the lower end of the fixed rotary handle 122 is arranged in the limiting groove 128 in the fixed column 125, the limiting block 129 on the fixed rotary handle 122 can prevent the fixed rotary handle 122 from falling off, meanwhile, the arrangement of the structure can ensure that the upper fixing clip 123 does not rotate when the fixed rotary handle 122 rotates, the fixed rotary handle 122 pushes the upper fixing clip 123 to press down to fix the gun body 2, the upper fixing clip 123 and the lower fixing clip 126 can stably fix the gun body 2, can prevent this gluey rifle from rocking in using, the skew situation in glue position that leads to takes place, lets this use of gluing the rifle experience better.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The anti-blocking pneumatic glue gun comprises a main handle body (1) and a gun body (2), and is characterized in that the gun body (2) is arranged above the main handle body (1), an air inlet pipe (3) is welded on the outer surface of the lower end of the main handle body (1), a first mounting seat (4) is fixedly mounted at the position, close to the lower end, of the outer surface of the front end of the main handle body (1), a second mounting seat (6) is fixedly mounted at the position, close to the upper end, of the outer surface of the front end of the main handle body (1), and a hand restraining belt (5) is arranged at the position between the first mounting seat (4) and the second mounting seat (6);

the air inlet handle is characterized in that a third mounting seat (7) is welded on the outer surface of one side of the main handle body (1) close to the upper end, an air inlet switch (8) is connected to a position rotating shaft between every two adjacent third mounting seats (7), an air conveying pipe (9) is fixedly mounted on the outer surface of the other side of the main handle body (1), an air guiding pipe (10) is fixedly mounted inside the main handle body (1), a sealing plug (11) penetrates through the air guiding pipe (10), one end of the sealing plug (11) is fixedly connected with the air inlet switch (8), and the air conveying pipe (9) and the air inlet pipe (3) are both communicated with the air guiding pipe (10);

the outer surface of the upper end of the main handle body (1) is fixedly provided with a fixed sleeve (12), the gun body (2) is inserted into the fixed sleeve (12), one end of the gun body (2) is connected with a connecting sleeve (13) in a threaded manner, one end of the gas pipe (9) far away from the main handle body (1) is inserted into the connecting sleeve (13), the outer surface of the upper end of the gun body (2) is welded with a feed pipe (14), a filter core (143) is arranged inside the feed pipe (14), and the other end of the gun body (2) is connected with a rubber outlet pipe (15) in a threaded manner;

there is glue outlet pipe (15) including first body (151), second body (152) and connecting pipe (153), connecting pipe (153) set up the position between first body (151) and second body (152), and connecting pipe (153) and second body (152) welded connection, the outer surface welding of first body (151) has screwed pipe (154), screwed pipe (154) and connecting pipe (153) threaded connection, the inner wall fixed mounting of connecting pipe (153) has sealing washer (155), spacing hole (156) have been seted up to the upper end surface of connecting pipe (153), the internal thread connection of spacing hole (156) has spacing round pin (157).

2. The anti-blocking pneumatic glue gun according to claim 1, wherein a connecting hole (121) is formed in the outer surface of the upper end of the fixing sleeve (12), the inside of the connecting hole (121) is in threaded connection with a fixing rotary handle (122), an upper fixing clip (123) is arranged at the top end of the inside of the fixing sleeve (12), a connecting column (124) is welded on the outer surface of the upper end of the upper fixing clip (123), a fixing column (125) is welded at the bottom end of the inside of the fixing sleeve (12), and a lower fixing clip (126) is fixedly mounted on the outer surface of the upper end of the fixing column (125).

3. The anti-blocking type pneumatic glue gun according to claim 2, wherein the lower end of the fixed rotary handle (122) is inserted into the connecting column (124), a limiting groove (128) is formed in the inner surface of the connecting column (124), a limiting block (129) is arranged in the limiting groove (128), and the limiting block (129) is connected with the lower end of the fixed rotary handle (122) in a welding mode.

4. The anti-blocking pneumatic glue gun according to claim 2, wherein the upper fixing clip (123) and the lower fixing clip (126) are symmetrically arranged, and rubber cushions (127) are respectively glued to the outer surface of the lower end of the upper fixing clip (123) and the outer surface of the upper end of the lower fixing clip (126).

5. The air glue gun as claimed in claim 1, wherein a first mounting groove (401) is formed in the first mounting seat (4), a second mounting groove (601) is formed in the second mounting seat (6), a first mounting block (501) is fixedly mounted at the upper end of the hand restraining belt (5), a second mounting block (502) is fixedly mounted at the lower end of the hand restraining belt (5), the first mounting block (501) is pinned in the second mounting groove (601), and the second mounting block (502) is clamped in the first mounting groove (401).

6. The air-operated glue gun as claimed in claim 1, wherein a fixed pressing plate (402) is connected to the front outer surface of the first mounting seat (4) in a rotating manner, and a fixed latch (403) is fixedly mounted on the lower outer surface of the fixed pressing plate (402).

7. The anti-blocking pneumatic glue gun according to claim 1, wherein a sealing cover (141) is connected to the top end of the feeding pipe (14) in a threaded manner, a detaching handle (142) is welded to the outer surface of the upper end of the sealing cover (141), an auxiliary detaching column (144) penetrates through the inside of the filter core (143), an auxiliary detaching hole (145) is formed in the outer surface of the lower end of the sealing cover (141), and the auxiliary detaching hole (145) is matched with the auxiliary detaching column (144).

8. The anti-blocking pneumatic glue gun according to claim 1, wherein finger grooves are formed in the outer surface of the main handle body (1), the number of the finger grooves is at least three, and the finger grooves are equidistantly arranged.