CN111947004A - Transmission structure of grease gun - Google Patents
Transmission structure of grease gun Download PDFInfo
- Publication number
- CN111947004A CN111947004A CN202010814499.5A CN202010814499A CN111947004A CN 111947004 A CN111947004 A CN 111947004A CN 202010814499 A CN202010814499 A CN 202010814499A CN 111947004 A CN111947004 A CN 111947004A
- Authority
- CN
- China
- Prior art keywords
- grease gun
- eccentric wheel
- plunger
- grease
- seat
- 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.)
- Pending
Links
- 239000004519 grease Substances 0.000 title claims abstract description 75
- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 239000010687 lubricating oil Substances 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/02—Lubricating-pumps with reciprocating piston
- F16N13/06—Actuation of lubricating-pumps
- F16N13/10—Actuation of lubricating-pumps with mechanical drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N3/00—Devices for supplying lubricant by manual action
- F16N3/10—Devices for supplying lubricant by manual action delivering grease
- F16N3/12—Grease guns
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention belongs to the technical field of transmission structures of grease guns, and particularly relates to a transmission structure of a grease gun, which comprises a grease gun shell, wherein a confluence seat and a grease barrel are arranged on the grease gun shell, the confluence seat is arranged at the front end of the grease barrel, a push rod is arranged in the grease barrel, a push plate is arranged at the end part of the push rod, a spring is arranged on the push rod, lubricating oil in the grease barrel is pushed into the confluence seat under the action of the spring, a motor is arranged on the grease gun shell, a plunger is arranged in the confluence seat, the motor drives an eccentric wheel to rotate and drives the plunger to move in the confluence seat through the eccentric wheel, the eccentric wheel is provided with at least one section of standard circular arc, and when the plunger is driven by the standard circular arc section of the eccentric wheel, the plunger does not move.
Description
Technical Field
The invention belongs to the technical field of transmission structures of grease guns, and particularly relates to a transmission structure of a grease gun.
Background
Grease guns are hand tools for grease filling of mechanical equipment. Because market demand, electronic grease gun is the market gradually, also becomes more and more common, and electronic grease gun is a miniature electronic grease gun, and electronic grease gun on the market generally comprises grease gun casing, plunger mechanism, slider-crank mechanism, gear reduction mechanism, oil feeding system, operating system and driving system: the automatic oil filling device is small in structure, the battery is built in, the charger can be arranged externally, the automatic oil filling device is driven by the direct current motor, the price is moderate, labor is saved, the speed is high, the operation is convenient, the pressure is high, and the requirement of general mechanical oil filling can be met. But the traditional electric grease gun has oil return phenomenon and is inconvenient to maintain.
Disclosure of Invention
The invention aims to provide a transmission structure of a grease gun, which has a simple and stable structure, no oil return phenomenon and convenient and fast maintenance.
The purpose of the invention is realized as follows:
a transmission structure of a grease gun comprises a grease gun shell, wherein a confluence seat and a grease barrel are arranged on the grease gun shell, the confluence seat is arranged at the front end of the grease barrel, a push rod is arranged in the grease barrel, a push plate is arranged at the end part of the push rod, a spring is arranged on the push rod, lubricating oil in the grease barrel is pushed into the confluence seat under the action of the spring, a motor is arranged on the grease gun shell, a plunger is arranged in the confluence seat, the motor drives an eccentric wheel to rotate and drives the plunger to move in the confluence seat through the eccentric wheel,
the eccentric wheel is provided with at least one section of standard circular arc, and when the plunger is driven by the standard circular arc section of the eccentric wheel, the plunger does not move.
The eccentric rotating shaft is connected with two eccentric wheels which are arranged in a staggered mode and realize asynchronous rotation in the rotating shaft, each eccentric wheel is connected with a corresponding plunger, and the standard circular arc is located at one end, far away from the rotating shaft, of each eccentric wheel/located at one end, close to the rotating shaft, of each eccentric wheel.
The rotating shaft is provided with at least one first end face, the eccentric wheel is provided with a second end face matched with the first end face, and the rotating shaft can drive the eccentric wheel to rotate under the abutting action of the first end face and the second end face.
The two ends of the rotating shaft are supported by bearings, and a sleeve is arranged between the two eccentric wheels.
The outer side of the eccentric wheel is provided with a retainer, the retainer is limited on the outer side of the eccentric wheel, and the plunger is fixed on the retainer.
The retainer is provided with a slot, the end part of the plunger is provided with an annular groove, and the plunger is limited on the slot through the annular groove.
The holder cladding is in the outside of eccentric wheel, and the holder upper end is provided with the cambered surface, and the holder lower extreme is provided with the arch, and the eccentric wheel is spacing between cambered surface and arch.
The confluence seat is detachably arranged on the grease gun shell, a first rail is arranged on the grease gun shell, a second rail matched with the first rail is arranged on the confluence seat, and the confluence seat is fixed on the grease gun shell through a fastening piece.
One side of the grease gun shell is open, one end of the open is provided with an eccentric wheel, the other end of the open is detachably provided with a confluence seat,
including the shrouding, the shrouding compresses tightly the collection flow seat and shelters from uncovered, and the fastener is fixed the shrouding on grease gun casing and/or collection flow seat.
An oil outlet nozzle, an exhaust valve and a pressure reducing valve are arranged at an outlet of the confluence seat.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
1. the eccentric wheel is provided with a standard circular arc at one end, the plunger positioned in the circular arc section is prevented from moving through the standard circular arc, a period of dead time is given to the plunger in the moving process, and lubricating oil in the confluence seat is supplemented in the period of dead time. And the standard circular arc is positioned at one end of the eccentric wheel far away from the rotating shaft/at one end of the eccentric wheel close to the rotating shaft, the standard circular arc is positioned at the reversing position of the plunger, the one-way valve is arranged in the oil outlet nozzle, a period of dead time is given at the reversing position of the plunger, the one-way valve in the oil outlet nozzle is allowed to have closing reaction time, the backflow phenomenon of lubricating oil is eliminated, and after the backflow is eliminated, the overall movement of the plunger is more continuous without pause and frustration.
2. The two eccentric wheels are arranged in a staggered mode, asynchronous rotation is achieved through the rotating shaft, the effect that one plunger of the eccentric wheels enters the confluence seat and the other plunger of the eccentric wheels is far away from the confluence seat is achieved through the asynchronous rotation eccentric wheels, the load required to be overcome during rotation of the motor is stable through the structure, the local overlarge stress of the motor is avoided, and the stability of the motor is guaranteed.
3. The retainer is provided with the slot, the end part of the plunger is provided with the annular groove, the plunger is limited on the slot through the annular groove, and a user only needs to clamp the annular groove of the plunger in the slot during installation, so that the installation is convenient for the user. In addition, the most easily damaged place of the grease gun is the confluence seat, and a user can hardly determine the specific damaged position, so that the maintenance of the user is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is one of the schematic views of the explosive structure of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is an enlarged schematic view of FIG. 2 at B;
FIG. 5 is a second schematic illustration of the explosive structure of the present invention;
FIG. 6 is an enlarged schematic view of FIG. 5 at C;
FIG. 7 is a schematic view of the internal structure of the present invention;
FIG. 8 is an enlarged schematic view of FIG. 7 at D;
FIG. 9 is an enlarged view of the structure of FIG. 7 at E;
fig. 10 is a schematic view of the eccentric wheel structure of the present invention.
In the figure: 1-grease gun housing; 10-closing the plate; 11-open mouth; 12-a first track; 19-a fastener; 2, a motor; 21-a reduction gear set; 22-a rotating shaft; 221-a first end face; 23-an eccentric wheel; 231-standard circular arc; 232-a second end face; 24-a plunger; 241-an annular groove; 25-a cage; 251-arc surface; 252-a bump; 253-a slot; 26-a bearing; 27-a sleeve; 3-butter barrel; 31-a push rod; 32-a spring; 33-a push plate; 4-a manifold base; 40-a chamber; 41-exhaust valve; 42-oil outlet nozzle; 43-a pressure relief valve; 44-plug; 45-second track.
Detailed Description
The invention will be further described in the following with reference to specific embodiments thereof, as shown in figures 1-10:
a transmission structure of a grease gun comprises a grease gun shell 1, a converging seat 4 and a grease barrel 3 are arranged on the grease gun shell 1, the converging seat 4 is arranged at the front end of the grease barrel 3, a push rod 31 is arranged in the grease barrel 3, a push plate 33 is arranged at the end part of the push rod 31, a spring 32 is arranged on the push rod 31, under the action of the spring 32, lubricating oil in the grease barrel 3 is pushed into the confluence seat 4, the motor 2 is arranged on the grease gun shell 1, the plunger 24 is arranged in the confluence seat 4, the motor 2 drives the eccentric wheel 23 to rotate and drives the plunger 24 to do piston motion in the confluence seat 4 through the eccentric wheel 23, the internal transmission structure of the grease gun is a common technology, the motor 2 can directly drive the rotating shaft 22 to rotate/the motor drives the rotating shaft 22 to rotate through the coupler, and can also drive the rotating shaft 22 to rotate after being decelerated through the deceleration gear set 21, and the rotating shaft 22 drives the eccentric wheel 23 to rotate.
The eccentric 23 is provided with at least one section of standard circular arc 231, when the plunger 24 is driven by the section of standard circular arc of the eccentric 23, the plunger 24 does not move, and the plunger 24 is given a dead time in the movement process, and the dead time allows the lubricating oil in the confluence seat 4 to be supplemented. And, the standard circular arc 231 is located at one end of the eccentric wheel 23 far away from the rotating shaft 22/one end of the eccentric wheel 23 close to the rotating shaft 22, the standard circular arc 231 is located at the reversing position of the plunger 24, the one-way valve is arranged in the oil outlet nozzle 42 at the outlet position of the confluence seat 4, a dead time is given at the reversing position of the plunger 24, the one-way valve in the oil outlet nozzle 42 is closed for reaction time, the lubricating oil backflow phenomenon is eliminated, and after the backflow is eliminated, the overall movement of the plunger 24 is more continuous without pause and frustration.
The device comprises a rotating shaft 22, wherein two eccentric wheels 23 are connected to the rotating shaft 22, the two eccentric wheels 23 are arranged in a staggered mode and realize asynchronous rotation on the rotating shaft 22, and each eccentric wheel 23 is connected with a corresponding plunger 24. The two eccentric wheels 23 are arranged in a staggered mode, the eccentric wheels 23 rotate asynchronously on the rotating shaft 22, the effect that one plunger 24 enters the confluence seat and the other plunger 24 is far away from the confluence seat 4 is achieved through the eccentric wheels 23 which rotate asynchronously, the load which needs to be overcome when the motor 2 rotates is stable through the structure, the local stress of the motor 2 is avoided being overlarge, and the stability of the motor 2 is guaranteed.
The rotating shaft 22 is provided with at least one first end surface 221, the eccentric wheel 23 is provided with a second end surface 232 matched with the first end surface 221, and the rotating shaft 22 can drive the eccentric wheel 23 to rotate under the abutting action of the first end surface 221 and the second end surface 232. The simplest structure allows the rotating shaft 22 to drive the eccentric wheel 23 to rotate.
Both ends of the rotating shaft 22 are supported by bearings 26, and the rotating shaft 22 is erected by the bearings 26, so that the rotating shaft 22 is more stable to rotate. And, a sleeve 27 is arranged between the two eccentric wheels 23, and the two eccentric wheels 23 are positioned through the sleeve 27, so that the eccentric wheels 23 are prevented from being biased in the rotating process.
The outer side of the eccentric wheel 23 is provided with a retainer 25, the retainer 25 is limited at the outer side of the eccentric wheel 23, and the plunger 24 is fixed on the retainer 25. The cage 25 is preferably wrapped around the eccentric 23, so that the eccentric 23 moves the cage 25. Besides, the upper end of the retainer 25 is provided with an arc surface 251, the lower end of the retainer 25 is provided with a bulge 252, and the eccentric wheel 23 is limited between the arc surface 251 and the bulge 252. The friction between the eccentric wheel 23 and the retainer 25 is reduced through the cambered surface 251 and the bulge 252, so that the transmission is more stable.
The retainer 25 is provided with a slot 253, the end of the plunger 24 is provided with an annular groove 241, and the plunger 24 is limited on the slot 253 through the annular groove 241. When the plunger 24 is installed, a user only needs to clamp the annular groove 241 of the plunger 24 in the slot 253, and the installation is convenient for the user.
The collection flow seat 4 can be dismantled and set up on grease gun casing 1, be provided with first track 12 on the grease gun casing 1, be provided with on the collection flow seat 4 with the second track 45 of first track 12 looks adaptation, the collection flow seat 4 passes through fastener 19 to be fixed on grease gun casing 1. The position where the grease gun is easy to damage is the confluence seat 4, and a user can hardly determine the specific damage position, so that the maintenance of the user is facilitated.
Grease gun casing 1 one side is uncovered 11, and open 11 one end is settled there is eccentric wheel 23, open 11 other end can be dismantled and be provided with and converge the seat 4, and the setting of uncovered 11 is favorable to the producer to assemble, and the structure of eccentric wheel part and the structure of converging the seat all are in uncovered 11, and spare part is more concentrated, optimizes the product overall arrangement, and uncovered 11 has also given the maintenance window, and uncovered 11 exposes the back, eccentric wheel transmission part can be directly perceived, and it is more convenient to let to change the eccentric wheel and add transmission lubricating oil.
The oil gun comprises a sealing plate 10, wherein the sealing plate 10 presses a bus bar seat 4 and shields an opening 11, and a fastening piece 19 fixes the sealing plate 10 on a grease gun shell 1 and/or the bus bar seat 4. The fasteners 19 are preferably bolts. The closure plate 10 is both a blanking member and a mounting member.
An oil outlet nozzle 42, an exhaust valve 41 and a pressure reducing valve 43 are arranged at the outlet of the confluence seat 4. The outlet nozzle 42 is actually a check valve which is a spring-loaded ball structure of the prior art design, and it is understood by those skilled in the art that the outlet nozzle 42 discharges the lubricant to the outside, and therefore the check valve is not shown in the drawings, and the lubricant is required to flow out of the outlet nozzle 42. The vent valve 41 and the pressure relief valve 43 are commercially available parts and the applicant has only assembled these two parts on the grease gun and therefore does not have any reference numbers for the vent valve 41 and the pressure relief valve 43.
The product of the invention necessarily relates to a circuit and a control circuit board, but the control circuit board adopted by the invention is an external accessory, and is provided for a circuit design manufacturer according to the requirements of the product of the manufacturer, the manufacturer can provide a corresponding control circuit board, and the manufacturer only needs to wire. In addition, the invention only needs to control the rotation/stop of the motor, the circuit design is very simple, and a person in the field can design the circuit control board very simply.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a transmission structure of grease gun, includes grease gun casing (1), be provided with on grease gun casing (1) and converge seat (4) and grease bucket (3), converge seat (4) and set up the front end in grease bucket (3), be equipped with push rod (31) in grease bucket (3), the tip of push rod (31) is provided with push pedal (33), install spring (32) on push rod (31), under the effect of spring (32), lubricating oil in grease bucket (3) is pushed away to converging in seat (4), its characterized in that: the grease gun shell (1) is provided with a motor (2), the confluence seat (4) is internally provided with a plunger (24), the motor (2) drives an eccentric wheel (23) to rotate and drives the plunger (24) to do piston motion in the confluence seat (4) through the eccentric wheel (23),
the eccentric wheel (23) is provided with at least one section of standard circular arc (231), and when the plunger (24) is driven by the standard circular arc section of the eccentric wheel, the plunger (24) does not move.
2. The grease gun transmission structure according to claim 1, characterized in that: the device comprises a rotating shaft (22), two eccentric wheels (23) are connected to the rotating shaft (22), the two eccentric wheels (23) are arranged in a staggered mode and achieve asynchronous rotation of the rotating shaft (22), each eccentric wheel (23) is connected with a corresponding plunger (24), and a standard circular arc (231) is located at one end, far away from the rotating shaft (22), of each eccentric wheel (23) or at one end, close to the rotating shaft (22), of each eccentric wheel (23).
3. The grease gun transmission structure according to claim 2, characterized in that: the rotating shaft (22) is provided with at least one first end face (221), the eccentric wheel (23) is provided with a second end face (232) matched with the first end face (221), and the rotating shaft (22) can drive the eccentric wheel (23) to rotate under the abutting action of the first end face (221) and the second end face (232).
4. The grease gun transmission structure according to claim 2 or 3, characterized in that: both ends of the rotating shaft (22) are supported through bearings (26), and a sleeve (27) is arranged between the two eccentric wheels (23).
5. The grease gun transmission structure according to claim 1, 2 or 3, characterized in that: the outer side of the eccentric wheel (23) is provided with a retainer (25), the retainer (25) is limited on the outer side of the eccentric wheel (23), and the plunger (24) is limited on the retainer (25).
6. The grease gun transmission structure according to claim 5, characterized in that: the retainer (25) is provided with a slot (253), the end part of the plunger (24) is provided with an annular groove (241), and the plunger (24) is limited on the slot (253) through the annular groove (241).
7. The grease gun transmission structure according to claim 5, characterized in that: the holder (25) is covered on the outer side of the eccentric wheel (23), the upper end of the holder (25) is provided with an arc surface (251), the lower end of the holder (25) is provided with a bulge (252), and the eccentric wheel (23) is limited between the arc surface (251) and the bulge (252).
8. The grease gun transmission structure according to claim 1, 2, 3, 6 or 7, characterized in that: converge flow seat (4) and can dismantle the setting on grease gun casing (1), be provided with first track (12) on grease gun casing (1), converge flow be provided with on seat (4) with second track (45) of first track (12) looks adaptation, converge flow seat (4) and pass through fastener (19) to be fixed on grease gun casing (1).
9. The grease gun transmission structure according to claim 8, characterized in that: one side of the grease gun shell (1) is provided with an opening (11), one end of the opening (11) is provided with an eccentric wheel (23), the other end of the opening (11) is detachably provided with a confluence seat (4),
the oil gun comprises a sealing plate (10), wherein the sealing plate (10) compresses a confluence seat (4) and shields an opening (11), and a fastener (19) fixes the sealing plate (10) on a grease gun shell (1) and/or the confluence seat (4).
10. The grease gun transmission structure according to claim 8, characterized in that: an oil outlet nozzle (42), an exhaust valve (41) and a pressure reducing valve (43) are arranged at an outlet of the confluence seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814499.5A CN111947004A (en) | 2020-08-13 | 2020-08-13 | Transmission structure of grease gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814499.5A CN111947004A (en) | 2020-08-13 | 2020-08-13 | Transmission structure of grease gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111947004A true CN111947004A (en) | 2020-11-17 |
Family
ID=73342262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010814499.5A Pending CN111947004A (en) | 2020-08-13 | 2020-08-13 | Transmission structure of grease gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111947004A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200526896A (en) * | 2004-02-13 | 2005-08-16 | Techway Ind Co Ltd | Crank-type transmission greasing device for electric grease gun |
| TW200806916A (en) * | 2006-07-21 | 2008-02-01 | Techway Ind Co Ltd | Twin cam type oil outlet device of an electric grease gun |
| CN201225502Y (en) * | 2008-04-22 | 2009-04-22 | 王晓冬 | Wireless electric grease gun |
| TWM410138U (en) * | 2011-03-24 | 2011-08-21 | Jin Haur Machinery Ltd | Portable electrical grease gun |
| CN108953968A (en) * | 2017-05-25 | 2018-12-07 | 株式会社牧田 | Lubricating grease discharger |
| CN111043508A (en) * | 2020-01-13 | 2020-04-21 | 永康市富宇汽保工具有限公司 | Butter barrel |
| CN212456224U (en) * | 2020-08-13 | 2021-02-02 | 永康市富宇汽保工具有限公司 | Transmission structure of grease gun |
| CN213207221U (en) * | 2020-08-13 | 2021-05-14 | 永康市富宇汽保工具有限公司 | Grease gun with detachable pump head |
| CN218268469U (en) * | 2022-10-12 | 2023-01-10 | 浙江索立工贸有限公司 | Electric double-rod grease gun |
-
2020
- 2020-08-13 CN CN202010814499.5A patent/CN111947004A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200526896A (en) * | 2004-02-13 | 2005-08-16 | Techway Ind Co Ltd | Crank-type transmission greasing device for electric grease gun |
| TW200806916A (en) * | 2006-07-21 | 2008-02-01 | Techway Ind Co Ltd | Twin cam type oil outlet device of an electric grease gun |
| CN201225502Y (en) * | 2008-04-22 | 2009-04-22 | 王晓冬 | Wireless electric grease gun |
| TWM410138U (en) * | 2011-03-24 | 2011-08-21 | Jin Haur Machinery Ltd | Portable electrical grease gun |
| CN108953968A (en) * | 2017-05-25 | 2018-12-07 | 株式会社牧田 | Lubricating grease discharger |
| CN111043508A (en) * | 2020-01-13 | 2020-04-21 | 永康市富宇汽保工具有限公司 | Butter barrel |
| CN212456224U (en) * | 2020-08-13 | 2021-02-02 | 永康市富宇汽保工具有限公司 | Transmission structure of grease gun |
| CN213207221U (en) * | 2020-08-13 | 2021-05-14 | 永康市富宇汽保工具有限公司 | Grease gun with detachable pump head |
| CN218268469U (en) * | 2022-10-12 | 2023-01-10 | 浙江索立工贸有限公司 | Electric double-rod grease gun |
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