CN210344946U - Gear grease gun - Google Patents
Gear grease gun Download PDFInfo
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- CN210344946U CN210344946U CN201921057156.8U CN201921057156U CN210344946U CN 210344946 U CN210344946 U CN 210344946U CN 201921057156 U CN201921057156 U CN 201921057156U CN 210344946 U CN210344946 U CN 210344946U
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- gear
- shower nozzle
- oil outlet
- grease gun
- hole
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Abstract
The utility model discloses a gear grease gun, it is little to aim at overcoming single fuel injection volume among the prior art, the big problem of occupation space, it includes the barrel, a endcap of barrel is equipped with the shower nozzle, be provided with the piston that can slide on to the shower nozzle in the barrel, the oil outlet has been seted up on the shower nozzle, be provided with on the shower nozzle and can be to gliding ejector pin in the oil outlet, be provided with the straight-tooth face on the ejector pin, it is provided with the gear to rotate on the shower nozzle, straight-tooth face meshing is on the gear, it is provided with the driving piece still to rotate on the shower nozzle, be provided with the arc tooth face on the driving piece, the meshing is on the gear in the arc tooth face, the outside at the gear is surrounded to the arc tooth face, driving piece and gear cooperation are compact, the transmission ratio is high, therefore.
Description
Technical Field
The utility model belongs to a lubricating oil filling device, in particular to a gear grease gun.
Background
Grease guns are hand tools for grease filling of mechanical equipment. It can be selectively equipped with iron gun rod (iron gun head) or flexible tube (flat gun head) oil-filling nozzle. The multifunctional agricultural machinery hand has the advantages of simple operation, convenience in carrying and wide application range, and is a necessary tool for vast agricultural machinery hands and maintenance centers.
The utility model discloses a grease gun like the chinese utility model of application number "201820799894.9", including grease gun head, grease gun barrel and crank, be equipped with the plunger cylinder in the grease gun head, be equipped with the plunger stick in the plunger cylinder, the plunger stick meshing is on drive gear, and drive gear rotates to be connected overhead at the grease gun, and drive gear meshes on promoting the gear, and the crank is fixed on promoting the gear. The hand rocker is reciprocated to push the gear and the transmission gear to sequentially transmit to the plunger rod, so that the grease in the plunger cylinder is extruded outwards by the plunger rod.
However, the prior art is not perfect, the pushing gear is externally engaged on the transmission gear, the rocker swings for a large stroke and only can drive the pushing gear to rotate for a small distance, so that the single displacement on the plunger rod is small, and the oil injection amount is small during the single swinging of the rocker.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough and problem that exists of prior art, the utility model provides a single rotates the gear grease gun that the fuel injection quantity is big, compact structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a gear grease gun, which comprises a cylindrical shel, a endcap of barrel is equipped with the shower nozzle, be provided with the piston that can slide on to the shower nozzle in the barrel, the oil outlet has been seted up on the shower nozzle, be provided with on the shower nozzle can be to gliding ejector pin in the oil outlet, be provided with the straight-tooth profile face on the ejector pin, it is provided with the gear to rotate on the shower nozzle, straight-tooth profile face meshing is on the gear, it is provided with the driving piece still to rotate on the shower nozzle, be provided with the arc tooth profile face on the driving piece, the meshing is on the gear in the arc tooth.
Preferably, the driving piece is provided with a limiting hole, the arc-shaped tooth surface is arranged in the limiting hole, and the gear is limited in the limiting hole to move.
Preferably, the driving piece is fixedly provided with a hand-operated rod which is convenient for driving the driving piece.
Preferably, driving parts are arranged on two sides of the material pushing rod, and the driving parts on the two sides are fixedly arranged together.
Preferably, the oil outlet is provided with a one-way valve.
Preferably, the nozzle is provided with an exhaust hole, an exhaust valve is arranged on the exhaust hole, and gas between the nozzle and the piston can be exhausted through the exhaust valve.
Preferably, a spring is provided in the barrel acting on the piston, the spring urging the piston to slide towards the spray head.
Preferably, the nozzle is provided with a mounting hole with an oil outlet, the material pushing rod is arranged in the mounting hole in a sliding mode, and the material pushing rod can slide towards the oil outlet or towards the outside of the nozzle by sliding the material pushing rod.
Compared with the prior art, the utility model outstanding and profitable technological effect is: when the gear grease gun is used, lubricating oil is filled in the cylinder, the piston pushes the lubricating oil into the oil outlet hole, the driving piece is rotated, the material pushing rod can slide into the oil outlet hole, the lubricating oil in the oil outlet hole is outwards withdrawn by the material pushing rod, so that the quantitative, high-pressure injection and continuous and stable oil filling effects are achieved, the arc-shaped tooth surface on the driving piece surrounds the outer side of the gear, the arc-shaped tooth surface is internally meshed on the gear, when the transmission ratio of the arc-shaped tooth surface to the gear is improved, the single-rotation stroke of driving piece for driving the material pushing rod to slide is improved, the single-rotation oil injection quantity is improved, and the compact structure matching of the driving piece and the gear can be ensured.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic diagram of the explosion structure of the present invention;
fig. 4 is a schematic structural view of the sprinkler head of the present invention;
FIG. 5 is a schematic sectional view of the sprinkler head of the present invention;
fig. 6 is a schematic structural view of the driving member of the present invention;
in the figure: 1-cylinder, 2-spray head, 3-driving piece, 4-gear, 5-material pushing rod, 6-hand rod, 7-exhaust valve, 8-one-way valve, 9-bearing, 10-piston, 11-spring, 12-pull rod, 13-tail cover, 21-oil outlet hole, 22-mounting hole, 23-oil inlet gap, 24-first round rod part, 25-second round rod part, 26-exhaust hole, 31-arc tooth-shaped surface, 32-limit hole and 51-straight tooth-shaped surface.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, a gear grease gun is a manual tool for conveniently filling lubricating oil to mechanical equipment, and comprises a cylinder body 1, wherein the cylinder body 1 is a hollow pipe fitting with two open ends, a nozzle 2 is arranged at one end cover of the cylinder body 1, a tail cover 13 is arranged at the other end cover of the cylinder body 1, and the tail cover 13 can be connected to the cylinder body 1 in a threaded manner, so that a closed space for containing lubricating oil is formed.
Be provided with in the barrel 1 and can slide to shower nozzle 2 piston 10, piston 10 inject and slide between shower nozzle 2 and tail-hood 13, seted up oil outlet 21 on the shower nozzle 2, slide piston 10, in the lubricating oil that piston 10 can be in the barrel 1 pushed the oil outlet 21 on the shower nozzle 2, in addition, dismantle shower nozzle 2, insert barrel 1 one end in lubricating oil, slide piston 10, lubricating oil can inhale in the barrel 1, makes things convenient for filling of lubricating oil in the barrel 1.
The spray head 2 can be connected to the barrel body 1 in a threaded mode, a user can manually disassemble and assemble the spray head 2 on the barrel body 1, and lubricating oil is conveniently added into the barrel body 1.
The piston 10 is provided with a pull rod 12, one end of the pull rod 12 is exposed out of the cylinder 1, the pull rod 12 can drive the piston 10 to slide towards the direction away from the spray head 2, the tail cover 13 can be sleeved on the pull rod 12, when lubricating oil is added into the cylinder 1, a user can hold the pull rod 12 with a hand to drive the piston 10 to slide, and the lubricating oil is further conveniently added into the cylinder 1.
The overall structure of the pull rod 12 is in a T shape, and one end of the pull rod 12 is fixed on the piston 10 through a bolt, so that the force application of a user's hand is further facilitated.
The material pushing rod 5 capable of sliding towards the oil outlet hole 21 is arranged on the spray head 2, the material pushing rod 5 slides, the material pushing rod 5 can slide into the oil outlet hole 21 or slide out of the oil outlet hole 21, a straight tooth-shaped surface 32 is arranged on the material pushing rod 5, a gear 4 and a driving piece 3 are respectively arranged on the spray head 2 in a rotating mode, an arc-shaped tooth-shaped surface 31 is arranged on the driving piece 3, the straight tooth-shaped surface 32 and the arc-shaped tooth-shaped surface 31 are respectively meshed with the gear 4, the arc-shaped tooth-shaped surface 31 surrounds the outer side of the gear 4, and the meshing between the arc-shaped tooth-shaped surface 31 and.
The gear 4 can be rotatably connected to the spray head 2 through the bearing 9, the bearing 9 can be a rolling bearing, friction force in the motion process of the gear 4 is reduced, and transmission precision of the gear 4 is guaranteed.
When the gear grease gun is used, lubricating oil is filled in the cylinder body 1, the piston 10 pushes the lubricating oil into the oil outlet 21, the driving part 3 is rotated, the material pushing rod 5 can slide into the oil outlet 21, the material pushing rod 5 withdraws the lubricating oil in the oil outlet outwards, so that quantitative, high-pressure injection and continuous and stable oil injection effects are achieved, the arc tooth-shaped surface 31 on the driving part 3 surrounds the outer side of the gear 4, the arc tooth-shaped surface 31 is meshed on the gear 4 in an internal engagement mode, when the transmission ratio of the arc tooth-shaped surface 31 and the gear 4 is improved, the stroke of the driving part 3 which drives the material pushing rod 5 to slide in a single rotation mode is improved, the oil injection amount of the single rotation mode is improved, and the driving part 3 and the gear 4 can be guaranteed to be compactly matched together in structure.
The both sides of ejector sleeve 5 all are provided with driving piece 3, and the driving piece 3 of both sides is fixed to be set up together, and gear 4 meshes respectively with the arc tooth face 31 on the driving piece 3 of both sides together, thereby the driving piece 3 of both sides rotates jointly and drives gear 4 and rotate, and further gear 4 drives the slip of ejector sleeve 5 again, improves driving piece 3 and goes up driven stability and reliability to ejector sleeve 5.
The hand-operated rod 6 is fixedly arranged on the driving piece 3, the driving pieces 3 on two sides are fixedly arranged on the same hand-operated rod 6, and the hand-operated rod 6 facilitates the user to grasp with the hand and increase the force arm, thereby facilitating the application of force of the user.
Be provided with check valve 8 on the oil outlet 21, the lubricating oil accessible check valve 8 in the oil outlet 21 is outwards spout, but check valve 8 threaded connection is in the outer end of oil outlet 21, and the lubricating oil accessible check valve 8 one-way outwards discharges in the oil outlet 21, avoids lubricating oil the phenomenon of backward flow to appear. In addition, when the material pushing rod 5 slides away from the oil outlet hole 21, the one-way valve 8 prevents outside air from entering the oil outlet hole 21, and a relative vacuum area can be formed between the one-way valve 8 and the material pushing rod 5, so that lubricating oil in the barrel body 1 can conveniently and quickly enter the oil outlet hole 21.
The exhaust hole 26 is formed in the spray head 2, the exhaust valve 7 is arranged on the exhaust hole 26, the exhaust valve 7 can be in threaded connection with the outer end of the exhaust hole 26, gas between the spray head 2 and the piston 10 can be exhausted through the exhaust valve 7, after lubricating oil is filled into the barrel 1 every time, gas cannot enter the spray head 2 and the piston 10, the gas can easily enter the oil outlet 21, and therefore the gas can be easily sprayed out of the oil outlet 21 when the gear grease gun is just started to be used, the problem is well solved by adopting the exhaust valve 7 to exhaust, the gas between the spray head 2 and the piston 10 can be quickly exhausted, and the working efficiency is improved.
Be provided with spring 11 that acts on piston 10 in the barrel 1, spring 11 forces piston 10 to slide on the shower nozzle 2, and spring 11 can promote piston 10 butt on shower nozzle 2, and spring 11 plays the effect of helping hand to piston 10, makes the automatic oil outlet 21 that gets into of lubricating oil in the barrel 1 under the effect of spring 11 and piston 10, makes the interior gas of barrel 1 discharge through discharge valve 7 under the effect of spring 11 and piston 10 automatically, need not the user and promotes piston 10, has further made things convenient for the operation, quick exhaust and oil discharging.
The spring 11 can be sleeved on the pull rod 12, one end of the spring 11 abuts against the piston 10, and the other end of the spring 11 abuts against the tail cover 13.
Still set up the mounting hole 22 to oil outlet 21 on the shower nozzle 2, the setting of sliding of ejector pin 5 is in mounting hole 22, and the ejector pin 5 that slides, ejector pin 5 can slide or slide outward to shower nozzle 2 in oil outlet 21, and straight tooth profile 32 on the ejector pin 5 is located outside shower nozzle 2, and gear 4, driving piece 3 and hand pole 6 also are located outside shower nozzle 2 to the user can shake outside hand pole 6 and drive the lubricating oil of shower nozzle 2 inside.
The mounting hole 22 and the oil outlet hole 21 are independent of each other, an oil inlet gap 23 is formed between the mounting hole 22 and the oil outlet hole 21, the outline of the oil inlet gap 23 is circular arc, and the oil inlet gap 23 surrounds the periphery of the oil outlet hole 21.
When using this gear grease gun, in the lubricating oil accessible oil feed clearance 23 in the barrel 1 entered into oil outlet 21, oil feed clearance 23 encircleed in oil outlet 21's circumference, and lubricating oil enters into oil outlet 21 along oil outlet 21's circumference uniformly in for lubricating oil in oil outlet 21 has the effect that the distribution is even, the oil feed is fast, therefore this gear grease gun has the advantage that oil spout is efficient, the oil spout is even.
The oil outlet hole 21 has three openings, one opening facing the inside of the barrel body 1 through which the lubricating oil in the barrel body 1 enters the oil outlet hole 21, the other opening facing the mounting hole 22 through which the lifter bar 5 in the mounting hole 22 enters the oil outlet hole 21, and the last opening facing the outside of the shower head 2. The lubricating oil in the oil outlet hole 21 is ejected outward through the opening.
The material pushing rod 5 can be matched in the mounting hole 22, so that lubricating oil in the oil outlet hole 21 is prevented from leaking out through the mounting hole 22, the material pushing rod 5 can be partially matched in the oil outlet hole 21, and the pushing effect of the material pushing rod 5 on the lubricating oil in the oil outlet hole 21 is improved.
The nozzle 2 is provided with a first round rod part 24 and a second round rod part 25, the first round rod part 24 and the second round rod part 25 are axially consistent, the oil outlet hole 21 and the mounting hole 22 are respectively arranged on the first round rod part 24 and the second round rod part 25, and the oil inlet gap 23 is formed between the first round rod part 24 and the second round rod part 25, so that the oil inlet gap 23 is exposed outside and the oil inlet gap 23 fully contacts lubricating oil in the cylinder body 1.
The axes of the oil inlet gap 23, the axes of the oil outlet hole 21 and the axes of the mounting holes 22 are consistent, so that the uniformity of the lubricating oil in the cylinder body 1 entering the oil outlet hole 21 is further ensured.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a gear grease gun, including barrel (1), a tip cap of barrel (1) is equipped with shower nozzle (2), be provided with in barrel (1) and go up gliding piston (10) to shower nozzle (2), oil outlet (21) have been seted up on shower nozzle (2), be provided with on shower nozzle (2) and push away material pole (5) that can slide to oil outlet (21), be provided with straight tooth profile (51) on push away material pole (5), it is provided with gear (4) to rotate on shower nozzle (2), straight tooth profile (51) meshing is on gear (4), a serial communication port, it is provided with driving piece (3) still to rotate on shower nozzle (2), be provided with arc tooth profile (31) on driving piece (3), arc tooth profile (31) internal gearing is on gear (4), arc tooth profile (31) are around the outside at gear (4).
2. The gear grease gun according to claim 1, wherein the driving member (3) is provided with a limiting hole (32), the arc-shaped tooth surface (31) is arranged in the limiting hole (32), and the gear (4) is limited in the limiting hole (32) to move.
3. The gear grease gun according to claim 1, wherein a hand lever (6) for conveniently driving the driving member (3) is fixedly arranged on the driving member (3).
4. A gear grease gun according to any one of claims 1-3, characterized in that the driving members (3) are arranged on both sides of the plunger rod (5), and the driving members (3) on both sides are fixedly arranged together.
5. A gear grease gun according to claim 1, characterized in that the oil outlet (21) is provided with a non-return valve (8).
6. The gear grease gun according to claim 5, wherein the nozzle (2) is provided with an exhaust hole (26), the exhaust hole (26) is provided with an exhaust valve (7), and gas between the nozzle (2) and the piston (10) can be exhausted through the exhaust valve (7).
7. A gear grease gun according to claim 1 or 5 or 6, characterized in that a spring (11) acting on the piston (10) is arranged in the cylinder (1), the spring (11) forcing the piston (10) to slide towards the nozzle head (2).
8. The gear grease gun according to claim 1, wherein the nozzle (2) is provided with a mounting hole (22) towards the oil outlet hole (21), the material pushing rod (5) is slidably arranged in the mounting hole (22), and the material pushing rod (5) is slidably arranged, so that the material pushing rod (5) can slide towards the oil outlet hole (21) or slide towards the outside of the nozzle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921057156.8U CN210344946U (en) | 2019-07-08 | 2019-07-08 | Gear grease gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921057156.8U CN210344946U (en) | 2019-07-08 | 2019-07-08 | Gear grease gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344946U true CN210344946U (en) | 2020-04-17 |
Family
ID=70195710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921057156.8U Active CN210344946U (en) | 2019-07-08 | 2019-07-08 | Gear grease gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344946U (en) |
-
2019
- 2019-07-08 CN CN201921057156.8U patent/CN210344946U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |