CN212702806U - Glue gun - Google Patents
Glue gun Download PDFInfo
- Publication number
- CN212702806U CN212702806U CN202020584208.3U CN202020584208U CN212702806U CN 212702806 U CN212702806 U CN 212702806U CN 202020584208 U CN202020584208 U CN 202020584208U CN 212702806 U CN212702806 U CN 212702806U
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- CN
- China
- Prior art keywords
- gear
- gear mechanism
- ratchet
- handle
- pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003292 glue Substances 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 239000011521 glass Substances 0.000 claims abstract description 39
- 239000004568 cement Substances 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 13
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 abstract description 12
- 238000010009 beating Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A glue gun comprises a shell and a propelling mechanism used for extruding glass glue, wherein the shell is provided with a handle, the propelling mechanism comprises a gear mechanism and a ratchet mechanism, the gear mechanism comprises a first gear mechanism and a second gear mechanism, the first gear mechanism and the second gear mechanism are rotatably connected with the shell, the ratchet mechanism comprises a pawl and a ratchet wheel, the ratchet wheel is fixed on the second gear mechanism, the pawl is hinged on the first gear mechanism, the first gear mechanism is fixedly connected with the handle, a return piece is arranged in the handle, when the glue gun is used, the handle is pressed inwards to drive the first gear mechanism to rotate forwards, the first gear mechanism is inserted into teeth of the ratchet wheel through the pawl to drive the ratchet wheel to rotate, and the ratchet mechanism drives the second gear mechanism to extrude the glass glue; after stopping beating to glue, the handle is loosened, and the glass that the packing element was glued can produce the reaction force to second gear mechanism under the effect of packing element internal pressure intensity, and the clearance of a tooth is rolled back to second gear mechanism, releases the internal pressure of packing element, effectively reduces glass and glues the outflow.
Description
Technical Field
The utility model relates to a beat and glue technical field, specifically be a glue gun.
Background
The glue gun is a glue applying tool, can completely seal a gap to prevent water leakage, is widely applied to industries such as architectural decoration, electronic appliances, automobiles and automobile parts, ships and containers, and the like, and is used for pushing a glue cylinder filled with glass glue through a pushing mechanism of the glue gun so as to extrude the glass glue out of the glue cylinder and further extrude the glass glue at the gap through a glue head.
After the existing glue gun stops gluing, under the action of internal pressure in the glue cylinder, the phenomenon that glass glue continues to flow out from the glue outlet of the glue cylinder exists, so that the glass glue is wasted seriously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a glue gun, when needing to be used, the handle is pressed inwards to drive the first gear mechanism to rotate in the positive direction, the first gear mechanism drives the pawl to rotate in the positive direction, the pawl is inserted into the teeth of the ratchet wheel to drive the ratchet wheel to rotate for a certain angle, the ratchet wheel mechanism drives the second gear mechanism to rotate in the positive direction, and the second gear mechanism extrudes glass glue from the bottle; after stopping beating to glue, the handle is loosened, and the glass in the packing element glues and can produce the reaction force to second gear mechanism under the effect of packing element internal pressure intensity, and the clearance of a tooth is rolled back to second gear mechanism, releases the internal pressure of packing element, effectively reduces glass and glues the outflow, reduces the waste that glass glued.
In order to achieve the purpose of the invention, the utility model adopts the following technical scheme:
the utility model provides a glue gun, includes the casing and is used for gluing the advancing mechanism who extrudes with glass, is equipped with the handle on the casing, and advancing mechanism includes gear mechanism and ratchet, and gear mechanism includes first gear mechanism and second gear mechanism, and first gear mechanism and second gear mechanism are rotatably connected with the casing, and ratchet includes pawl and ratchet, and the ratchet is fixed on second gear mechanism, and the pawl articulates on first gear mechanism, and first gear mechanism and handle fixed connection are equipped with the repetition piece in the handle.
The first gear mechanism comprises a first gear and a second gear, the handle is fixedly connected with the first gear, the first gear is meshed with the second gear, a connecting column is arranged on one side of the second gear and is abutted against the ratchet wheel, the ratchet wheel is an inner ratchet wheel, and the pawl is arranged in the ratchet wheel.
The second gear mechanism comprises a third gear, a fourth gear and a rack, the third gear and the fourth gear are rotatably arranged in the shell, the rack can be slidably arranged in the shell, the ratchet wheel and the third gear are integrally arranged, the third gear is meshed with the fourth gear, the fourth gear is meshed with the rack, and the front end of the rack is abutted to the inner cylinder of the glass cement.
The pawl is at least provided with one, and second gear, ratchet and third gear coaxial setting are equipped with the first torsional spring that is used for preventing ratchet reverse rotation on the pawl, and first torsional spring one end is fixed on the spliced pole, and the first torsional spring other end is located the pawl outside.
The ratchet wheel is magnetized, the pawl is made of materials which can be attracted by magnetic attraction, a magnetic attraction force is formed between the ratchet wheel and the pawl, and the self-locking force between the ratchet wheel and the pawl is increased through the magnetic attraction.
The shell is externally provided with a button used for disengaging the third gear from the fourth gear, the button is slidably arranged on the shell, the bottom of the button is respectively abutted to the second gear and the third gear, the other side of the third gear is provided with an extrusion spring, one end of the extrusion spring is abutted to the third gear, and the other end of the extrusion spring is abutted to the shell.
The restoring piece is a second torsion spring, one end of the second torsion spring is fixed on the shell, and the other end of the second torsion spring is connected with the handle.
The front end of the shell is provided with a fixing part connected with the glass cement, and the rack penetrates through the fixing part.
Compared with the prior art, the glue gun adopting the technical scheme has the following beneficial effects:
one, adopt the utility model discloses a glue gun when needing to use, the handle drives first gear mechanism forward rotation toward the internal pressure, and first gear mechanism drives pawl forward rotation, and the pawl drives ratchet rotation certain angle in inserting the tooth of ratchet, and ratchet mechanism has the drive second gear mechanism forward rotation, and second gear mechanism is glued glass and is extruded in following the bottle.
After the handle is loosened, a return piece in the handle resets the handle, the handle drives a first gear mechanism to rotate reversely, the first gear mechanism drives a pawl to rotate reversely, the pawl slides on teeth of a ratchet wheel, and the ratchet wheel is static; after the handle is loosened, the pawl is clamped into the teeth of the ratchet wheel, so that the ratchet wheel cannot move reversely, and the second gear mechanism is locked.
Thirdly, after stopping gluing, the handle is loosened, the glass cement in the rubber cylinder can generate reaction force to the second gear mechanism under the action of the pressure intensity in the rubber cylinder, the second gear mechanism retreats the gap of one tooth, the internal pressure of the rubber cylinder is released, the outflow of the glass cement is effectively reduced, and the waste of the glass cement is reduced.
Drawings
Fig. 1 is a schematic structural view of the glue gun of the present invention.
Fig. 2 is a schematic view of the internal structure of the glue gun.
Fig. 3 is an enlarged view of fig. 2 at a.
Fig. 4 is a schematic structural view of a propelling mechanism of the glue gun.
Fig. 5 is an enlarged view of fig. 4 at B.
Fig. 6 is a disassembled schematic view of the propulsion mechanism.
Fig. 7 is an enlarged view of fig. 6 at C.
Reference numerals:
1. a housing; 11. a handle; 12. a button; 13. a fixed part; 2. a gear mechanism; 21. a first gear; 22. a second gear; 23. a third gear; 24. a fourth gear; 25. a rack; 3. a ratchet mechanism; 31. a pawl; 32. a ratchet wheel; 33. a first torsion spring; 4. compressing the spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 7, a glue gun comprises a shell 1 and a propelling mechanism for extruding glass cement, wherein a handle 11 is arranged on the shell 1, the propelling mechanism comprises a gear mechanism 2 and a ratchet mechanism 3, the gear mechanism 2 comprises a first gear mechanism and a second gear mechanism, the first gear mechanism and the second gear mechanism are rotatably connected with the shell 1, the ratchet mechanism 3 comprises a pawl 31 and a ratchet wheel 32, the ratchet wheel 32 is fixed on the second gear mechanism, the pawl 31 is hinged on the first gear mechanism, the first gear mechanism is fixedly connected with the handle 11, and a restoring piece is arranged in the handle 11.
When the glue is applied, the handle 11 is pressed inwards to drive the first gear mechanism to rotate in the forward direction, the first gear mechanism drives the pawl 31 to rotate in the forward direction, the pawl 31 is inserted into the teeth of the ratchet wheel 32 to drive the ratchet wheel 32 to rotate for a certain angle, the ratchet wheel mechanism 3 drives the second gear mechanism to rotate in the forward direction, and the second gear mechanism extrudes the glass glue out of the bottle;
after the handle 11 is loosened, the handle 11 is reset by a restoring piece in the handle 11, the handle 11 drives the first gear mechanism to rotate reversely, the first gear mechanism drives the pawl 31 to rotate reversely, the pawl 31 slides over the teeth of the ratchet wheel 32, the ratchet wheel 32 is still, after the handle 11 is loosened, the pawl 31 is clamped into the teeth of the ratchet wheel 32, the ratchet wheel 32 cannot move reversely, and the second gear mechanism is locked;
after stopping beating to glue, handle 11 loosens, and the glass that the packing element was glued can produce the reaction force to second gear mechanism under the effect of packing element internal pressure intensity, and the clearance of a tooth is rolled back to second gear mechanism, releases the internal pressure of packing element, effectively reduces glass and glues the outflow, reduces the waste that glass glued.
The first gear mechanism comprises a first gear 21 and a second gear 22, the handle 11 is fixedly connected with the first gear 21, the first gear 21 is meshed with the second gear 22, a connecting column 221 is arranged on one side of the second gear 22, the pawl 31 is hinged to the connecting column 221, the connecting column 221 is abutted to the ratchet wheel 32, the ratchet wheel 32 is an inner ratchet wheel 32, and the pawl 31 is arranged in the ratchet wheel 32.
The second gear mechanism comprises a third gear 23, a fourth gear 24 and a rack 25, the third gear 23 and the fourth gear 24 are rotatably arranged in the shell 1, the rack 25 is slidably arranged in the shell 1, the ratchet wheel 32 and the third gear 23 are integrally arranged, the third gear 23 is meshed with the fourth gear 24, the fourth gear 24 is meshed with the rack 25, and the front end of the rack 25 is abutted to the inner cylinder of the glass cement.
When the second gear 22 rotates clockwise, the pawl 31 hinged on the second gear 22 is inserted into the teeth of the ratchet wheel 32, so that the ratchet wheel 32 rotates a certain angle at the same time, the ratchet wheel 32 drives the third gear 23 to rotate clockwise, the third gear 23 drives the fourth gear 24 to rotate anticlockwise, and the fourth gear 24 drives the rack 25 to rotate forwards; when the second gear 22 rotates counterclockwise, the pawl 31 slides over the teeth of the ratchet wheel 32 and the ratchet wheel 32 is stationary.
At least one pawl 31 is arranged, the second gear 22, the ratchet wheel 32 and the third gear 23 are coaxially arranged, a first torsion spring 33 used for preventing the ratchet wheel 32 from reversely rotating is arranged on the pawl 31, one end of the first torsion spring 33 is fixed on the connecting column 221, and the other end of the first torsion spring 33 is positioned on the outer side of the pawl 31.
When the glass cement is ejected, a certain internal pressure is generated, the internal pressure exerts a backward force on the rack 25, the rack 25 exerts an anticlockwise force on the pawl 31 through the dead ground gear, the third gear 23 and the ratchet wheel 32, the first torsion spring 33 is arranged to effectively prevent the pawl 31 from being damaged and lock the second gear mechanism, and the rack 25 is abutted to one side of the glass cement inner cylinder.
The shell 1 is externally provided with a button 12 for separating the third gear 23 from the fourth gear 24, the button 12 is slidably arranged on the shell 1, the bottom of the button 12 is respectively abutted against the second gear 22 and the third gear 23, the other side of the third gear 23 is provided with an extrusion spring 4, one end of the extrusion spring 4 is abutted against the third gear 23, and the other end of the extrusion spring 4 is abutted against the shell 1.
When the rack 25 needs to be retracted, the button 12 is pressed, the second gear 22 and the third gear 23 are pushed backwards by the bottom end of the button 12, the third gear 23 compresses the extrusion spring 4, the third gear 23 is separated from the fourth gear 24, the rack 25 is pulled backwards to reset, the button 12 is loosened, the third gear 23 and the second gear 22 are reset forwards by the elastic force of the extrusion spring 4, the button 12 is provided with a limiting block for preventing the button 12 from sliding out of the shell 1, and the button 12 is effectively prevented from being ejected out.
The restoring piece is a second torsion spring, one end of the second torsion spring is fixed on the shell 1, and the other end of the second torsion spring is connected with the handle 11.
The front end of the shell 1 is provided with a fixing part 13 connected with the glass cement, and the rack 25 passes through the fixing part 13.
The glass cement is connected with the fixing portion 13, then the rack 25 abuts against the inner cylinder of the glass cement, and when the glass cement is required to be used, the glass cement is punched out by pressing the handle 11.
The use process comprises the following steps:
1. when the glue is applied, the handle 11 is pressed inwards to drive the first gear 21 to rotate anticlockwise, the first gear 21 drives the second gear 22 to rotate clockwise, when the second gear 22 rotates clockwise, the pawl 31 hinged on the second gear 22 is inserted into the teeth of the ratchet wheel 32, so that the ratchet wheel 32 rotates at a certain angle, the ratchet wheel 32 drives the third gear 23 to rotate clockwise, the third gear 23 drives the fourth gear 24 to rotate anticlockwise, the fourth gear 24 drives the rack 25 to rotate forwards, and the rack 25 extrudes the glass glue from the inner cylinder;
2. after the handle 11 is loosened, the handle 11 is reset by a restoring piece in the handle 11, the handle 11 drives the first gear 21 to rotate clockwise, the first gear 21 drives the second gear 22 to rotate anticlockwise, the pawl 31 hinged to the second gear 22 slides on the teeth of the ratchet wheel 32, the ratchet wheel 32 is static, after the handle 11 is loosened, the pawl 31 is clamped into the teeth of the ratchet wheel 32, the ratchet wheel 32 cannot rotate anticlockwise, the third gear 23 is locked, and therefore the rack 25 is locked.
3. After stopping beating to glue, handle 11 loosens, and the glass that the packing element was glued can produce the reaction force to second gear mechanism under the effect of packing element internal pressure intensity, and the clearance of a tooth is rolled back to second gear mechanism, releases the internal pressure of packing element, effectively reduces glass and glues the outflow, reduces the waste that glass glued.
4. The arrangement of the first torsion spring 33 enables the locking force of the pawl 31 to be increased, the ratchet wheel 32 is effectively prevented from rotating anticlockwise in the gluing process, and the pawl 31 is effectively prevented from being damaged.
5. When the rack 25 needs to be retracted, the button 12 is pressed, the bottom end of the button 12 pushes the second gear 22 and the third gear 23 backwards, the third gear 23 compresses the extrusion spring 4, the third gear 23 is separated from the fourth gear 24, the rack 25 is pulled backwards to be reset, the button 12 is released, and the third gear 23 and the second gear 22 are reset forwards by the elastic force of the extrusion spring 4.
The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.
Claims (7)
1. A glue gun, its characterized in that: including casing (1) and the advancing mechanism who is used for gluing glass and extrudes, be equipped with handle (11) on casing (1), advancing mechanism includes gear mechanism (2) and ratchet (3), gear mechanism (2) include first gear mechanism and second gear mechanism, first gear mechanism and second gear mechanism are rotatably connected with casing (1), ratchet (3) are including pawl (31) and ratchet (32), ratchet (32) are fixed on second gear mechanism, pawl (31) articulate on first gear mechanism, first gear mechanism and handle (11) fixed connection, be equipped with the reply piece in handle (11).
2. The glue gun of claim 1, wherein: first gear mechanism includes first gear (21) and second gear (22), handle (11) and first gear (21) fixed connection, first gear (21) and second gear (22) meshing, second gear (22) one side is equipped with spliced pole (221), pawl (31) are articulated with spliced pole (221), ratchet (32) are interior ratchet (32), ratchet (31) are located in ratchet (32).
3. The glue gun of claim 2, wherein: the second gear mechanism comprises a third gear (23), a fourth gear (24) and a rack (25), the third gear (23) and the fourth gear (24) are rotatably arranged in the shell (1), the rack (25) is slidably arranged in the shell (1), the ratchet wheel (32) and the third gear (23) are integrally arranged, the third gear (23) is meshed with the fourth gear (24), and the fourth gear (24) is meshed with the rack (25).
4. The glue gun of claim 3, wherein: pawl (31) are equipped with one at least, second gear (22), ratchet (32) and third gear (23) coaxial setting, be equipped with on pawl (31) and be used for preventing ratchet (32) reverse rotation's first torsional spring (33), first torsional spring (33) one end is fixed on spliced pole (221), first torsional spring (33) other end is located pawl (31) outside.
5. The glue gun of claim 3, wherein: the shell (1) is externally provided with a button (12) used for disengaging the third gear (23) from the fourth gear (24), the button (12) is slidably arranged on the shell (1), the bottom of the button (12) is respectively abutted to the second gear (22) and the third gear (23), the other side of the third gear (23) is provided with an extrusion spring (4), one end of the extrusion spring (4) is abutted to the third gear (23), and the other end of the extrusion spring (4) is abutted to the shell (1).
6. Glue gun according to any one of claims 1 to 5, characterized in that: the restoring piece is a second torsion spring, one end of the second torsion spring is fixed on the shell (1), and the other end of the second torsion spring is connected with the handle (11).
7. The glue gun of claim 6, wherein: the front end of the shell (1) is provided with a fixing part (13) connected with the glass cement, and the rack (25) penetrates through the fixing part (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584208.3U CN212702806U (en) | 2020-04-17 | 2020-04-17 | Glue gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584208.3U CN212702806U (en) | 2020-04-17 | 2020-04-17 | Glue gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212702806U true CN212702806U (en) | 2021-03-16 |
Family
ID=74943668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020584208.3U Expired - Fee Related CN212702806U (en) | 2020-04-17 | 2020-04-17 | Glue gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212702806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113440417A (en) * | 2021-07-09 | 2021-09-28 | 深圳市人民医院 | Liquid food feeding device for diagnosis and treatment nursing of critically ill neonate |
-
2020
- 2020-04-17 CN CN202020584208.3U patent/CN212702806U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113440417A (en) * | 2021-07-09 | 2021-09-28 | 深圳市人民医院 | Liquid food feeding device for diagnosis and treatment nursing of critically ill neonate |
| CN113440417B (en) * | 2021-07-09 | 2022-06-24 | 深圳市人民医院 | Liquid food feeding device for diagnosis and treatment nursing of critically ill neonate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |